A.S. Umar Publications

Author	Title	Year	Journal	DOI/URL
K. Godbey, Christian Ross, and A. S. Umar	Isospin composition of fission barriers	2024	Phys. Rev. C (Letter) Vol. 110, L041601	DOI
Liang Li, Lu Guo, K. Godbey, and A.S. Umar	Impact of tensor forces on quasifission product yield distributions	2024	Phys. Rev. C Vol. 110, 064607	DOI
A.S. Umar, K. Godbey, and C. Simenel	Pauli energy contribution to nucleus-nucleus interaction	2024	Eur. Phys. J. Web. Conf Vol. 306, 01002	DOI
C. Simenel, R. Bernard, G. Blanchon, K. Godbey, H. Lee, P. McGlynn, and A.S. Umar	Shell effects in fission and quasifission	2024	Eur. Phys. J. Web. Conf Vol. 306, 01019	DOI
A. Kayaalp, M. Arik, S.E. Ocal, O. Yilmaz, S. Ayik, and A. S. Umar	A quantal diffusion approach for multinucleon transfer in heavy-ion collisions	2024	Nucl. Phys. A Vol. 1050, 122916	DOI
Abhishek, Paul Stevenson, Yue Shi, Esra Yüksel and A.S. Umar	The TDHF code Sky3D version 1.2	2024	Comp. Phys. Comm. Vol. 301, 109239	DOI
Richard Gumbel, Christian Ross, and A. S. Umar	New Insights on the Role of Nucleon Exchange in Nuclear Fusion	2024	DOE Science Highlights	URL
A. Kayaalp, S. E. Ocal, B. Yaprakli, M. Arik, S. Ayik, O. Yilmaz, and A. S. Umar	A theoretical study on quasifission and fusion–fission processes in heavy-ion collisions	2024	Eur. Phys. J. A Vol. 60, 79	DOI
Richard Gumbel, Christian Ross, and A. S. Umar	Role of isospin composition in low energy nuclear fusion	2023	Phys. Rev. C (Editors' Suggestion, Letter) Vol. 108, L051602	DOI
M. Arik, S. Ayik, O. Yilmaz, and A. S. Umar	Description of multinucleon transfer mechanism for 48Ca+244Pu and 86Kr+198Pt reactions in quantal transport approach	2023	Phys. Rev. C Vol. 108, 064604	DOI
S. Ayik, M. Arik, E. Erbayri, O. Yilmaz, and A. S. Umar	Study of multinucleon transfer mechanism in 160Gd + 186W collisions in stochastic mean-field theory	2023	Phys. Rev. C Vol. 108, 054605	DOI
C. Simenel, K. Godbey, H. Lee, P. McGlynn, and A.S. Umar	Shell effects in fission and quasi-fission reactions	2023	J. Phys.: Conf. Ser. 2586, 012063	DOI
A. S. Umar, K. Godbey, and C. Simenel	Cluster model of 12C in the density functional theory framework	2023	Phys. Rev. C Vol. 107, 064605	DOI
S. Ayik, M. Arik, O. Yilmaz, B. Yilmaz, and A. S. Umar	Multinucleon transfer mechanism in 250Cf+232Th collisions using the quantal transport description based on the stochastic mean-field approach	2023	Phys. Rev. C (Editors' Suggestion) Vol. 107, 014609	DOI
K. Godbey, A.S. Umar, and C. Simenel	Theoretical uncertainty quantification for heavy-ion fusion	2022	Phys. Rev. C Letter (Editors' Suggestion) Vol. 106, L051602	DOI
Liang Li, Lu Guo, K. Godbey, and A.S. Umar	Impact of tensor force on quantum shell effects in quasifission reactions	2022	Phys. Lett. B Vol. 833, 137349	DOI
Xiang-Xiang Sun, Lu Guo, and A.S. Umar	Microscopic study of the fusion reactions 40,48Ca+78Ni and the effect of the tensor force	2022	Phys. Rev. C Vol. 105, 034601	DOI
C. Simenel, P. McGlynn, A. S. Umar, and K. Godbey	Comparison of fission and quasi-fission modes	2021	Phys. Lett. B Vol. 822, 136648	DOI
A. S. Umar, C. Simenel, and K. Godbey	Pauli energy contribution to the nucleus-nucleus interaction	2021	Phys. Rev. C (Editors' Suggestion) Vol. 104, 034619	DOI
S. Ayik, M. Arik, E. C. Karanfil, O. Yilmaz, B. Yilmaz, and A. S. Umar	Quantal diffusion description of isotope production by multinucleon transfer mechanism in 48Ca+238U collisions	2021	Phys. Rev. C Vol. 104, 054614	DOI
C. Simenel, K. Godbey, and A. S. Umar	Timescales of Quantum Equilibration, Dissipation and Fluctuation in Nuclear Collisions	2020	Phys. Rev. Lett. Vol. 124, 212504	DOI
M. Bender, et al.	Future of Nuclear Fission Theory	2020	J. Phys. G Vol. 47, 113002	DOI
S. Ayik, B. Yilmaz, O. Yilmaz, and A. S. Umar	Merging of transport theory with the time-dependent Hartree-Fock approach: Multinucleon transfer in U+U collisions	2020	Phys. Rev. C Vol. 102, 024619	DOI
S. Hudan, R.T. deSouza, A.S. Umar, Z. Lin, and C.J. Horowitz	Enhanced dynamics in fusion of neutron-rich oxygen nuclei at above-barrier energies	2020	Phys. Rev. C Vol. 101, 061601(R)	DOI
K. Godbey, C. Simenel, and A. S. Umar	Microscopic predictions for production of neutron rich nuclei in the reaction 176Yb+176Yb	2020	Phys. Rev. C Vol. 101, 034602	DOI
K. Godbey and A. S. Umar	Quasifission Dynamics in Microscopic Theories	2020	Front. Phys. Vol. 8, 40	DOI
N. T. Zhang, et al.	Constraining the 12C+12C astrophysical S-factors with the 12C+13C measurements at very low energies	2020	Phys. Lett. B Vol. 801, 135170; Vol. 803, 135278	DOI
K. Godbey, Lu Guo, and A. S. Umar	Influence of the tensor interaction on heavy-ion fusion cross sections	2019	Phys. Rev. C Vol. 100, 054612	DOI
K. Godbey, A. S. Umar, and C. Simenel	Deformed shell effects in 48Ca+249Bk quasifission fragments	2019	Phys. Rev. C Vol. 100, 024610	DOI
K. Godbey, C. Simenel, and A. S. Umar	Absence of hindrance in microscopic 12C+12C fusion study	2019	Phys. Rev. C Vol. 100, 024619	DOI
S. Ayik, B. Yilmaz, O. Yilmaz, and A. S. Umar	Heavy isotope production in 136Xe+208Pb collisions at E_c.m. = 514 MeV	2019	Phys. Rev. C Vol. 100, 044614	DOI
S. Ayik, B. Yilmaz, O. Yilmaz, and A. S. Umar	Quantal diffusion approach for multinucleon transfers in Xe+Pb collisions	2019	Phys. Rev. C Vol. 100, 014609	DOI
V. E. Oberacker and A. S. Umar	Chapter: Density constrained TDHF	2019	Frontiers in Nuclear and Particle Physics Vol. 2, 19-39	DOI
A. S. Umar, C. Simenel, and K. Godbey	Equilibration dynamics and isospin effects in nuclear reactions	2019	Il Nuovo Cimento C Vol. 41, 173	DOI
A.S. Umar, C. Simenel, S. Ayik, and K. Godbey	Equilibration dynamics in nuclear reactions	2019	Eur. Phys. J. Web. Conf. Vol. 223, 01066	DOI
Lu Guo, K. Godbey and A. S. Umar	The influence of tensor force on the microscopic heavy-ion interaction potential	2018	Phys. Rev. C Vol. 98, 064607	DOI
B. Yilmaz, S. Ayik, O. Yilmaz, and A. S. Umar	Multi-nucleon transfer in 58Ni+60Ni and 60Ni+60Ni in stochastic mean-field approach	2018	Phys. Rev. C Vol. 98, 034604	DOI
D. Kidd, A. S. Umar, and K. Varga	Constrained Density Functional Theory Calculation with Iterative Optimization	2018	Phys. Rev. B Vol. 98, 075108	DOI
C. Simenel and A. S. Umar	Heavy-ions collisions and fission dynamics with the time-dependent Hartree-Fock theory and its extensions	2018	Prog. Part. Nucl. Phys. Vol. 103, 19-66	DOI
S. Ayik, B. Yilmaz, O. Yilmaz, and A. S. Umar	Quantal diffusion description of multinucleon transfers in heavy-ion collisions	2018	Phys. Rev. C Vol. 97, 054618	DOI
B. Schuetrumpf, P.-G. Reinhard, P.D. Stevenson, A.S. Umar, J.A. Maruhn	The TDHF Code Sky3D version 1.1	2018	Comp. Phys. Comm. Vol. 229, 211	DOI
A. S. Umar and C. Simenel	TDHF Investigations of the U+U Quasifission Process	2018	Acta Physica Polonica B Vol. 49, 573	DOI
A.S. Umar, C. Simenel, and W. Ye	Transport properties of isospin asymmetric nuclear matter using TDHF	2017	Phys. Rev. C Vol. 96, 024625	DOI
S. Ayik, B. Yilmaz, O. Yilmaz, A.S. Umar, and G. Turan	Multi-Nucleon Transfer in Central Collisions of 238U+238U	2017	Phys. Rev. C Vol. 96, 024611	DOI
Simenel, C., Umar, A.S., Godbey, K., Hinde, D., and Dasgupta, M.	How the Pauli exclusion principle affects fusion of atomic nuclei	2017	Phys. Rev. C (R) Vol. 95, 031601	DOI
Godbey, K., Umar, A.S., and Simenel, C.	Dependence of fusion on isospin dynamics	2017	Phys. Rev. C (R) Vol. 95, 011601	DOI
Varinderjit Singh, J. Vadas, T.K. Steinbach, B.B. Wiggins, S. Hudan, R.T. deSouza, Zidu Lin, C.J. Horowitz, L.T. Baby, S.A. Kuvin, Vandana Tripathi, I. Wiedenhover, and A.S. Umar.	Fusion enhancement at near and sub-barrier energies in 19O + 12C	2017	Phys. Lett. B Vol. 765, 99-103	DOI
Umar, A.S., Simenel, C., and Ayik, S.	Time-dependent mean-field investigations of the quasifission process	2017	Eur. Phys. J. Web. Conf. Vol. 163, 00061	DOI
C. Simenel, K. Godbey, A.S. Umar, K. Vo-Phuoc, M. Dasgupta, D.J. Hinde, and E.C. Simpson	Effect of Pauli repulsion and transfer on fusion	2017	Eur. Phys. J. Web. Conf. Vol. 163, 00055	DOI
Romualdo deSouza, Justin Vadas, Varinderjit Singh, Blake Wiggins, Tracy Steinbach, Zidu Lin, Chuck Horowitz, Lagy Baby, Sean Kuvin, Vandana Tripathi, Ingo Wiedenhover, and Sait Umar	Fusion of neutron-rich oxygen nuclei	2017	Eur. Phys. J. Web. Conf. Vol. 163, 00013	DOI
A.S. Umar, C. Simenel	Using TDHF to Study Quasifission Dynamics	2017	ICFN6 proceedings (World Scientific) pp. 121-126	DOI
Umar, A.S., Oberacker, V.E. and Simenel, C.	Fusion and quasifission dynamics in the reactions 48Ca+249Bk and 50Ti+249Bk using a time-dependent Hartree-Fock approach	2016	Phys. Rev. C Vol. 94, 024605	DOI
Ayik, S., Yilmaz, O., Yilmaz, B., and Umar, A.S.	Quantal nucleon diffusion: Central collisions of symmetric nuclei	2016	Phys. Rev. C Vol. 94. 044624	DOI
Reinhard, P.-G., Umar, A.S., Stevenson, P.D., Piekarewicz, J., Oberacker, V.E. and Maruhn, J.A.	Sensitivity of the fusion cross section to the density dependence of the symmetry energy	2016	Phys. Rev. C Vol. 93, 044618	DOI
Stevenson, P.D., Suckling, E.B., Fracasso, S., Barton, M.C. and Umar, A.S.	Skyrme tensor force in heavy ion collisions	2016	Phys. Rev. C Vol. 93, 054617	DOI
Tohyama, M. and Umar, A.S.	Two-body dissipation effects on the synthesis of superheavy elements	2016	Phys. Rev. C Vol. 93, 034607	DOI
Umar, A.S., Oberacker, V.E. and Simenel, C.	Quasifission dynamics in TDHF	2016	Eur. Phys. J. Web. Conf. Vol. 117, 01002	DOI
Simenel, C., Scamps, G., Lacroix, D. and Umar, A. S.	Superfluid fission dynamics with microscopic approaches	2016	Eur. Phys. J. Web. Conf. Vol. 107, 07001	DOI
Umar, A.S. and Oberacker, V.E.	Time-dependent HF approach to SHE dynamics	2015	Nucl. Phys. A Vol. 944, 238-256	DOI
Umar, A.S., Oberacker, V.E., Horowitz, C.J., Reinhard, P.-G. and Maruhn, J.A.	Swelling of nuclei embedded in neutron-gas and consequences for fusion	2015	Phys. Rev. C Vol. 92, 025808	DOI
Umar, A.S., Oberacker, V.E. and Simenel, C.	Shape evolution and collective dynamics of quasifission in the time-dependent Hartree-Fock approach	2015	Phys. Rev. C Vol. 92, 024621	DOI
Ayik, S., Yilmaz, O., Yilmaz, B., Umar, A.S., Gokalp, A., Turan, G. and Lacroix, D.	Quantal description of nucleon exchange in a stochastic mean-field approach	2015	Phys. Rev. C Vol. 91, 054601	DOI
Hammerton, K., Kohley, Z., Hinde, D.J., Dasgupta, M., Wakhle, A., Williams, E., Oberacker, V.E., Umar, A.S., Carter, I.P., Cook, K.J., Greene, J., Jeung, D.Y., Luong, D.H., McNeil, S.D., Palshetkar, C.S., Rafferty, D.C., Simenel, C. and Stiefel, K.	Reduced quasifission competition in fusion reactions forming neutron-rich heavy elements	2015	Phys. Rev. C (R) Vol. 91, 041602	DOI
Umar, A.S., Oberacker, V.E. and Simenel, C.	Dynamics of quasifission	2015	AIP Conf. Proc. Vol. 1681, 040002	DOI
Simenel, C., Dasgupta, M., Hinde, D. J., Oberacker, V. E., Umar, A. S. and Williams, E.	Microscopic study of the effect of intrinsic degrees of freedom on fusion	2015	Eur. Phys. J. Web. Conf. Vol. 86, 00047	DOI
Stevenson, P. D., Suckling, E. B., Fracasso, S., Simmons, E. D. and Umar, A. S.	Role of the Skyrme tensor force in heavy-ion fusion	2015	Eur. Phys. J. Web. Conf. Vol. 86, 00058	DOI
Maruhn, J.A., Reinhard, P.-G., Stevenson, P.D. and Umar, A.S.	The TDHF Code Sky3D	2014	Comp. Phys. Comm. Vol. 185, 2195-2216	DOI
Oberacker, V.E., Umar, A.S. and Simenel, C.	Dissipative dynamics in quasifission	2014	Phys. Rev. C Vol. 90, 054605	DOI
T. K. Steinbach, J. Vadas, J. Schmidt, C. Haycraft, S. Hudan, and R. T. deSouza, L. T. Baby, S. A. Kuvin, and I. Wiedenhover, A. S. Umar and V. E. Oberacker	Sub-barrier enhancement of fusion as compared to a microscopic method in O-18+C-12	2014	Phys. Rev. C (R) Vol. 90, 041603	DOI
Pigg, D.A., Umar, A.S. and Oberacker, V.E.	Eulerian rotations of deformed nuclei for TDDFT calculations	2014	Comp. Phys. Comm. Vol. 185, 1410-1414	DOI
Simenel, C. and Umar, A.S.	Formation and dynamics of fission fragments	2014	Phys. Rev. C (R) Vol. 89, 031601	DOI
Umar, A.S., Simenel, C. and Oberacker, V.E.	Energy dependence of potential barriers and its effect on fusion cross sections	2014	Phys. Rev. C Vol. 89, 034611	DOI
Keser, R., Umar, A.S., Oberacker, V.E., Maruhn, J.A. and Reinhard, P.-G.	Fusion using time-dependent density-constrained DFT	2014	Eur. Phys. J. Web. Conf. Vol. 66, 03042	DOI
deSouza, R.T., Hudan, S., Oberacker, V.E. and Umar, A.S.	Confronting measured near- and sub-barrier fusion cross sections for 20O+12C with a microscopic method	2013	Phys. Rev. C Vol. 88, 014602	DOI
Oberacker, V.E. and Umar, A.S.	Microscopic analysis of sub-barrier fusion enhancement in 132Sn+40Ca versus 132Sn+48Ca	2013	Phys. Rev. C Vol. 87, 034611	DOI
Simenel, C., Keser, R., Umar, A.S. and Oberacker, V.E.	Microscopic study of 16O+16O fusion	2013	Phys. Rev. C Vol. 88, 024617	DOI
A.S. Umar, V.E. Oberacker, J.A. Maruhn, and R. Keser	Microscopic calculation of fusion; light to heavy systems	2013	ICFN5 proceedings (World Scientific) Vol. 44, pp. 68-75	DOI
Oberacker, V.E., Umar, A.S. and Keser, R.	Microscopic DC-TDHF study of heavy-ion potentials and fusion cross sections	2013	Journal of Physics Conference Series Vol. 420, pp. 012132	DOI
Loebl, N., Umar, A.S., Maruhn, J.A., Reinhard, P.-G., Stevenson, P.D. and Oberacker, V.E.	Single-particle dissipation in a time-dependent Hartree-Fock approach studied from a phase-space perspective	2012	Phys. Rev. C Vol. 86, 024608	DOI
Keser, R., Umar, A.S. and Oberacker, V.E.	Microscopic study of Ca+Ca fusion	2012	Phys. Rev. C Vol. 85, 044606	DOI
Oberacker, V.E., Umar, A.S., Maruhn, J.A. and Reinhard, P.-G.	Dynamic microscopic study of pre-equilibrium giant resonance excitation and fusion in the reactions 132Sn + 48Ca and 124Sn + 40Ca	2012	Phys. Rev. C Vol. 85, 034609	DOI
Umar, A.S., Oberacker, V.E. and Horowitz, C.J.	Microscopic sub-barrier fusion calculations for the neutron star crust	2012	Phys. Rev. C Vol. 85, 055801	DOI
Umar, A.S., Oberacker, V.E., Maruhn, J.A. and Reinhard, P.-G.	Microscopic composition of ion-ion interaction potentials	2012	Phys. Rev. C Vol. 85, 017602	DOI
Umar, A.S. and Oberacker, V.E.	Microscopic calculation of heavy-ion potentials based on TDHF	2012	Journal of Physics Conference Series Vol. 402, pp. 012038	DOI
Umar, A.S., Oberacker, V.E., Keser, R., Maruhn, J.A. and Reinhard, P.-G.	Dynamic Microscopic Theory of Fusion Using DC-TDHF	2012	AIP Conference Proceedings Vol. 1491, pp. 369-372	DOI
Ichikawa, T., Itagaki, N., Loebl, N., Maruhn, J.A., Oberacker, V.E., Ohkubo, S., Schuetrumpf, B. and Umar, A.S.	Static and Dynamic Chain Structures in the Mean-Field Theory	2011	Eur. Phys. J. Web. Conf. Vol. 17, 07002	DOI
Reinhard, P.-G., Maruhn, J.A., Umar, A.S. and Oberacker, V.E.	Localization in light nuclei	2011	Phys. Rev. C Vol. 83, 034312	DOI
Umar, A.S., Oberacker, V.E., Maruhn, J.A. and Reinhard, P.-G.	Microscopic Calculation of Heavy-Ion Potentials Based on TDHF	2011	Eur. Phys. J. Web. Conf. Vol. 17, 09001	DOI
Maruhn, J.A., Loebl, N., Umar, A.S., Naoyuki Itagaki, Kimura, M., Horiuchi, H. and Tohsaki, A.	LINEAR-CHAIN STRUCTURE OF THREE-α-CLUSTERS IN 12C, 16C, AND 20C	2010	Mod. Phys. Lett. A Vol. 25, 1866-1869	DOI
Oberacker, V.E., Umar, A.S., Maruhn, J.A. and Reinhard, P.-G.	Microscopic study of the 132,124Sn+96Zr reactions: Dynamic excitation energy, energy-dependent heavy-ion potential, and capture cross section	2010	Phys. Rev. C Vol. 82, 034603	DOI
Umar, A.S., Maruhn, J.A., Itagaki, N. and Oberacker, V.E.	Microscopic Study of the Triple-α Reaction	2010	Phys. Rev. Lett. Vol. 104, 212503	DOI
Umar, A.S., Oberacker, V.E., Maruhn, J.A. and Reinhard, P.-G.	Entrance channel dynamics of hot and cold fusion reactions leading to superheavy elements	2010	Phys. Rev. C Vol. 81, 064607	DOI
Umar, A.S., Oberacker, V.E., Maruhn, J.A. and Reinhard, P.-G.	Microscopic description of nuclear fission dynamics	2010	J. Phys. G Vol. 37, 064037	DOI
Umar, A.S. and Oberacker, V.E.	Density-constrained time-dependent Hartree-Fock calculation of 16O+208Pb fusion cross-sections	2009	Eur. Phys. J. A Vol. 39, 243-247	DOI
Umar, A.S. and Oberacker, V.E.	Center-of-mass motion and cross-channel coupling in the time-dependent Hartree-Fock theory	2009	J. Phys. G Vol. 36, 025101	DOI
Umar, A.S., Oberacker, V.E., Maruhn, J.A. and Reinhard, P.-G.	Microscopic calculation of precompound excitation energies for heavy-ion collisions	2009	Phys. Rev. C (R) Vol. 80, 041601	DOI
Umar, A.S., Oberacker, V.E., Maruhn, J.A. and Reinhard, P.-G.	Density-Constrained TDHF Calculation of Fusion and Fission Barriers	2009	AIP Conference Proceedings Vol. 1165, pp. 383
Umar, A.S. and Oberacker, V.E.	64Ni+64Ni fusion reaction calculated with the density-constrained time-dependent Hartree-Fock formalism	2008	Phys. Rev. C Vol. 77, 064605	DOI
Umar, A.S., Oberacker, V.E. and Maruhn, J.A.	Neutron transfer dynamics and doorway to fusion in time-dependent Hartree-Fock theory	2008	Eur. Phys. J. A Vol. 37, 245-250	DOI
Oberacker, V.E., Blazkiewicz, A. and Umar, A.S.	SKYRME-HFB CALCULATIONS IN COORDINATE SPACE FOR THE KRYPTON ISOTOPES UP TO THE TWO-NEUTRON DRIPLINE	2007	Rom. Rep. Phys. Vol. 59, 559-568	URL
Umar, A.S. and Oberacker, V.E.	64Ni+132Sn fusion within the density-constrained time-dependent Hartree-Fock formalism	2007	Phys. Rev. C Vol. 76, 014614	DOI
Umar, A.S. and Oberacker, V.E.	Compressibility and equation of state of finite nuclei	2007	Phys. Rev. C Vol. 76, 024316	DOI
Umar, A.S. and Oberacker, V.E.	Dynamical deformation effects in subbarrier fusion of 64Ni+132Sn	2006	Phys. Rev. C Vol. 74, 061601	DOI
Umar, A.S. and Oberacker, V.E.	Heavy-ion interaction potential deduced from density-constrained time-dependent Hartree-Fock calculation	2006	Phys. Rev. C (R) Vol. 74, 021601	DOI
Umar, A.S. and Oberacker, V.E.	Time dependent Hartree-Fock fusion calculations for spherical, deformed systems	2006	Phys. Rev. C Vol. 74, 024606	DOI
Umar, A.S. and Oberacker, V.E.	Three-dimensional unrestricted time-dependent Hartree-Fock fusion calculations using the full Skyrme interaction	2006	Phys. Rev. C Vol. 73, 054607	DOI
Blazkiewicz, A., Oberacker, V.E. and Umar, A.S.	2-D lattice HFB calculations for neutron-rich zirconium isotopes	2005	Eur. Phys. J. A Vol. 25, 543-544	DOI
Blazkiewicz, A., Oberacker, V.E., Umar, A.S. and Stoitsov, M.	Coordinate space Hartree-Fock-Bogoliubov calculations for the zirconium isotope chain up to the two-neutron drip line	2005	Phys. Rev. C Vol. 71, 054321	DOI
Umar, A.S. and Oberacker, V.E.	Time-dependent response calculations of nuclear resonances	2005	Phys. Rev. C Vol. 71, 034314	DOI
Umar, A.S. and Oberacker, V.E.	TDHF studies with modern Skyrme forces	2005	Eur. Phys. J. A Vol. 25, 553-554	DOI
Oberacker, V.E., Umar, A.S., Blazkiewicz, A. and Teran, E.	Solution of the HFB continuum problem on a 2-D lattice: Neutron-rich and dripline nuclei	2004	NEW ERA OF NUCLEAR STRUCTURE PHYSICS, pp. 179-183	DOI
Umar, A.S., Oberacker, V.E., Teran, E. and Blazkiewicz, A.	HFB calculations for nuclei far from stability	2004	Structure and dynamics of elementary matter Vol. 166, pp. 561-567
Oberacker, V.E., Umar, A.S., Terán, E. and Blazkiewicz, A.	Hartree-Fock-Bogoliubov calculations in coordinate space: Neutron-rich sulfur, zirconium, cerium, and samarium isotopes	2003	Phys. Rev. C Vol. 68, 064302	DOI
Terán, E., Oberacker, V.E. and Umar, A.S.	Axially symmetric Hartree-Fock-Bogoliubov calculations for nuclei near the drip lines	2003	Phys. Rev. C Vol. 67, 064314	DOI
Tohyama, M. and Umar, A.S.	Quadrupole resonances in unstable oxygen isotopes in time-dependent density-matrix formalism	2003	Frontiers of Collective Motions (CM2002), pp. 242-247	DOI
Umar, A.S., Oberacker, V.E. and Teran, E.	HFB calculations with high energy continuum coupling: Nuclear structure at neutron dripline	2003	PROCEEDINGS OF THE THIRD INTERNATIONAL CONFERENCE FISSION AND PROPERTIES OF NEUTRON-RICH NUCLEI, pp. 109-116
Terán, E., Oberacker, V.E. and Umar, A.S.	Theoretical description of Hartree-Fock calculations under axial symmetry: First results on tin isotopes	2002	Act. Phys. Hun. Vol. 16, 437-446	DOI
Tohyama, M. and Umar, A.S.	Quadrupole resonances in unstable oxygen isotopes in time-dependent density-matrix formalism	2002	Phys. Lett. B Vol. 549, 72-78	DOI
Tohyama, M. and Umar, A.S.	Fusion window problem in time-dependent Hartree-Fock theory revisited	2002	Phys. Rev. C Vol. 65, 037601	DOI
Malov, D.E., Umar, A.S., Ernst, D.J. and Dean, D.J.	Relativistic heavy-ion collisions in the dynamical string-parton model	2001	Phys. Rev. C Vol. 63, 024902	DOI
Tohyama, M. and Umar, A.S.	Dipole resonances in oxygen isotopes in time-dependent density-matrix theory	2001	Phys. Lett. B Vol. 516, 415-420	DOI
Tohyama, M. and Umar, A.S.	Application of time-dependent density-matrix theory	2001	AIP CONFERENCE PROCEEDINGS Vol. 597, pp. 258-265
Ernst, D.J., Malov, D.E. and Umar, A.S.	Classical strings and relativistic heavy-ion collisions	2000	ACTA PHYSICA HUNGARICA NEW SERIES-HEAVY ION PHYSICS Vol. 11, pp. 239-258
Güçlü, M.C., Li, J., Umar, A.S., Ernst, D.J. and Strayer, M.R.	Electromagnetic Lepton-Pair Production in Relativistic Heavy-Ion Collisions	1999	Ann. Phys. Vol. 272, 7-48	DOI
Malov, D.E., Umar, A.S., Ernst, D.J. and Dean, D.J.	PARTICLE IDENTIFICATION IN THE DYNAMICAL STRING-PARTON MODEL OF RELATIVISTIC HEAVY-ION COLLISIONS	1999	Intl. J. Mod. Phys. E Vol. 8, 299-309	DOI
Malov, D.E., Umar, A.S., Ernst, D.J. and Dean, D.J.	Hadronic structure functions as distributions of classical strings	1999	Phys. Rev. C Vol. 59, 2289-2292	DOI
Mezzacappa, A., Calder, A.C., Bruenn, S.W., Blondin, J.M., Guidry, M.W., Strayer, M.R. and Umar, A.S.	An investigation of neutrino-driven convection and the core collapse supernova mechanism using multigroup neutrino transport	1998	Astrophys. J. Vol. 495, 911	DOI
Mezzacappa, A., Calder, A.C., Bruenn, S.W., Blondin, J.M., Guidry, M.W., Strayer, M.R. and Umar, A.S.	The interplay between proto-neutron star convection and neutrino transport in core-collapse supernovae	1998	Astrophys. J. Vol. 493, 848	DOI
Oberacker, V.E., Umar, A.S., Wells, J.C., Strayer, M.R., Maruhn, J.A. and Reinhard, P.G.	Prompt muon-induced fission: A probe for nuclear friction in large-amplitude collective motion	1998	FISSION AND PROPERTIES OF NEUTRON-RICH NUCLEI, pp. 395-404
Chinn, C.R., Umar, A.S., Valliéres, M. and Strayer, M.R.	Mean field studies of exotic nuclei	1996	Phys. Rep. Vol. 264, 107-121	DOI
Kegley, D.R., Oberacker, V.E., Strayer, M.R., Umar, A.S. and Wells, J.C.	Basis spline collocation method for solving the Schrodinger equation in axillary symmetric systems	1996	J. Comp. Phys. Vol. 128, 197-208	DOI
Nazarewicz, W., Dobaczewski, J., Werner, T.R., Maruhn, J.A., Reinhard, P.-G., Rutz, K., Chinn, C.R., Umar, A.S. and Strayer, M.R.	Structure of proton drip-line nuclei around doubly magic 48Ni	1996	Phys. Rev. C Vol. 53, 740-751	DOI
Wells, J.C., Oberacker, V.E., Strayer, M.R. and Umar, A.S.	Convergence of a lattice calculation for bound-free muon-pair production in peripheral relativistic heavy-ion collisions	1996	Phys. Rev. A Vol. 53, 1498-1504	DOI
Werner, T.R., Sheikh, J.A., Misu, M., Nazarewicz, W., Rikovska, J., Heeger, K., Umar, A.S. and Strayer, M.R.	Ground-state properties of exotic Si, S, Ar and Ca isotopes	1996	Nucl. Phys. A Vol. 597, 327-340	DOI
Chinn, C.R., Umar, A.S., Valliéres, M. and Strayer, M.R.	Microscopic nuclear-structure on a parallel platform	1995	Comput. Phys. Commun. Vol. 86, 40-60	DOI
Güçlü, M.C., Wells, J.C., Umar, A.S., Strayer, M.R. and Ernst, D.J.	Impact-parameter dependence of multiple lepton-pair production from electromagnetic-fields	1995	Phys. Rev. A Vol. 51, 1836-1844	DOI
Wells, J.C., Oberacker, V.E., Strayer, M.R. and Umar, A.S.	Lattice calculation for lepton capture from vacuum-pair production in relativistic heavy-ion collisions	1995	Nucl. Inst. Meth. Vol. 99, 293-296	DOI
Wells, J.C., Oberacker, V.E., Strayer, M.R. and Umar, A.S.	SPECTRAL PROPERTIES OF DERIVATIVE OPERATORS IN THE BASIS-SPLINE COLLOCATION METHOD	1995	Intl. J. Phys. C Vol. 6, 143-167	DOI
Chinn, C.R., Umar, A.S., Valliéres, M. and Strayer, M.R.	Parallel implementation of many-body mean-field equations	1994	Phys. Rev. E Vol. 50, 5096-5106	DOI
Umar, A.S., Wells, J.C. and Strayer, M.R.	The basis-spline collocation method: A SYMPOSIUM IN HONOR OF CHRISTOPHER BOTTCHER (1945-1993)	1995	AIP CONFERENCE PROCEEDINGS Vol. 347, pp. 127-138
A.S., UMAR, WELLS, J., OBERACKER, V. and STRAYER, M.	Large scale 3-D solutions of the time-dependent Dirac equation	1995	COMPUTATIONAL PHYSICS Vol. 1, pp. 140-150
VALLIERES, M., A.S., UMAR, STRAYER, M. and CHINN, C.	Many-body mean-field equations: Parallel implementation	1995	COMPUTATIONAL PHYSICS Vol. 1, pp. 151-158
Wells, J.C., Oberacker, V.E., Strayer, M.R. and Umar, A.S.	Pair production with capture on a 3-D lattice: Converging on a solution	1995	AIP CONFERENCE PROCEEDINGS Vol. 347, pp. 267-278
Werner, T.R., Sheikh, J.A., Nazarewicz, W., Strayer, M.R., Umar, A.S. and Misu, M.	Shape coexistence around _1644S_28: the deformed N=28 region	1994	Phys. Lett. B Vol. 335, 259-265	DOI
OBERACKER, V., WELLS, J., A.S., UMAR and STRAYER, M.	PERTURBATIVE AND NONPERTURBATIVE EM LEPTON PAIR PRODUCTION IN RELATIVISTIC HEAVY-ION COLLISIONS	1994	NATO ADVANCED SCIENCE INSTITUTES SERIES, SERIES B, PHYSICS Vol. 335, pp. 569-578
A.S., UMAR, D.J., DEAN and STRAYER, M.	STRING-PARTON MODEL DESCRIPTION OF RELATIVISTIC HEAVY-ION COLLISIONS	1994	NATO ADVANCED SCIENCE INSTITUTES SERIES, SERIES B, PHYSICS Vol. 335, pp. 373-381
WELLS, J., OBERACKER, V., STRAYER, M. and A.S., UMAR	RECENT PROGRESS IN NONPERTURBATIVE ELECTROMAGNETIC LEPTON-PAIR PRODUCTION WITH CAPTURE IN RELATIVISTIC HEAVY-ION COLLISIONS	1994	NATO ADVANCED SCIENCE INSTITUTES SERIES, SERIES B, PHYSICS Vol. 335, pp. 777-785
Dean, D.J., Umar, A.S. and Strayer, M.R.	Dynamical evolution of hadronic matter in relativistic collisions	1993	Phys. Rev. C Vol. 48, 2433-2442	DOI
Oberacker, V.E., Umar, A.S., Wells, J.C., Bottcher, C., Strayer, M.R. and Maruhn, J.	Muon-induced fission: A probe for nuclear dissipation and fission dynamics	1993	Phys. Rev. C Vol. 48, 1297-1306	DOI
Wells, J.C., Umar, A.S., Oberacker, V.E., Bottcher, C., Strayer, M.R., Wu, J.S., Drake, J. and Flanery, R.	A NUMERICAL IMPLEMENTATION OF THE DIRAC EQUATION ON A HYPERCUBE MULTICOMPUTER	1993	Intl. J. Phys. Vol. 4, 459-492	DOI
A.S., UMAR, D.J., DEAN, BOTTCHER, C. and STRAYER, M.	SPLINE METHODS FOR HYDRODYNAMIC EQUATIONS - PARALLEL IMPLEMENTATION	1993	PROCEEDINGS OF THE SIXTH SIAM CONFERENCE ON PARALLEL PROCESSING FOR SCIENTIFIC COMPUTING, VOLS 1 AND 2, pp. 26-30
WELLS, J., OBERACKER, V., A.S., UMAR, BOTTCHER, C., STRAYER, M., DRAKE, J. and FLANERY, R.	THE QUANTUM STRUCTURE OF MATTER GRAND CHALLENGE PROJECT - LARGE-SCALE 3-D SOLUTIONS IN RELATIVISTIC QUANTUM DYNAMICS	1993	SUPERCOMPUTING PROCEEDINGS, pp. 44
Dean, D.J., Gyulassy, M., Muller, B., Remler, E.A., Strayer, M.R., Umar, A.S. and Wu, J.S.	Multiparticle production in lepton-nucleus collisions and relativistic string models	1992	Phys. Rev. C Vol. 46, 2066-2076	DOI
Dean, D.J., Umar, A.S., Wu, J.S. and Strayer, M.R.	Dynamic string-parton model for relativistic heavy-ion collisions	1992	Phys. Rev. C Vol. 45, 400-414	DOI
Oberacker, V.E., Umar, A.S., Wells, J.C., Strayer, M.R. and Bottcher, C.	Study of nuclear dissipation via muon-induced fission: A relativistic lattice calculation	1992	Phys. Lett. B Vol. 293, 270-274	DOI
Umar, A.S., Dean, D.J. and Strayer, M.R.	A Dynamical String-Parton Model for Relativistic Heavy-Ion Collisions	1992	Nucl. Phys. A Vol. 544, 475c-478c	DOI
Wells, J.C., Oberacker, V.E., Umar, A.S., Bottcher, C., Strayer, M.R., Wu, J.S. and Plunien, G.	Nonperturbative electromagnetic lepton-pair production in peripheral relativistic heavy-ion collisions	1992	Phys. Rev. A Vol. 45, 6296-6312	DOI
D.J., DEAN, A.S., UMAR, J.S., WU and STRAYER, M.	A DYNAMIC PICTURE OF HADRON-HADRON COLLISIONS WITH THE STRING-PARTON MODEL	1992	COMPUTATIONAL QUANTUM PHYSICS Vol. 260, pp. 159-171
WELLS, J., OBERACKER, V., A.S., UMAR, BOTTCHER, C., STRAYER, M. and J.S., WU	NONPERTURBATIVE ELECTROMAGNETIC MUON-PAIR PRODUCTION WITH CAPTURE IN PERIPHERAL RELATIVISTIC HEAVY-ION COLLISIONS	1992	COMPUTATIONAL QUANTUM PHYSICS Vol. 260, pp. 215-227
Umar, A.S. and Strayer, M.R.	Numerical methods for nuclear mean-field dynamics	1991	Comp. Phys. Com. Vol. 63, 179-202	DOI
Umar, A.S. and Strayer, M.R.	Numerical-methods for nuclear mean-field dynamics	1991	Comput. Phys. Commun. Vol. 63, 179-202	DOI
Umar, A.S., Strayer, M.R., Wu, J.S., Dean, D.J. and Güçlü, M.C.	Nuclear Hartree-Fock calculations with splines	1991	Phys. Rev. C Vol. 44, 2512-2521	DOI
Umar, A.S., Wu, J., Strayer, M.R. and Bottcher, C.	Basis-spline collocation method for the lattice solution of boundary-value-problems	1991	J. Comp. Phys. Vol. 93, 426-448	DOI
Strayer, M.R., Bottcher, C., Oberacker, V.E. and Umar, A.S.	Lattice calculation of muon-pair production with capture in relativistic heavy-ion collisions	1990	Phys. Rev. A Vol. 41, 1399-1407	DOI
Bottcher, C., Strayer, M.R., Umar, A.S. and Reinhard, P.-G.	Damped relaxation techniques to calculate relativistic bound-states	1989	Phys. Rev. A Vol. 40, 4182-4189	DOI
Dean, D.J., Umar, A.S. and Strayer, M.R.	Velocity dependence of prompt, high-energy nucleon emission	1989	Phys. Rev. C Vol. 40, 1213-1218	DOI
Umar, A.S., Strayer, M.R., Reinhard, P.-G., Davies, K.T.R. and Lee, S.-J.	Spin-orbit force in time-dependent Hartree-Fock calculations of heavy-ion collisions	1989	Phys. Rev. C Vol. 40, 706-714	DOI
OBERACKER, V., A.S., UMAR, STRAYER, M. and BOTTCHER, C.	LATTICE CALCULATION OF DILEPTON PRODUCTION IN PERIPHERAL RELATIVISTIC HEAVY-ION COLLISIONS	1989	NUCLEAR EQUATION OF STATE, PT B: QCD AND THE FORMATION OF THE QUARK-GLUON PLASMA Vol. 216, pp. 563-570
Bottcher, C., Strayer, M.R., Umar, A.S. and Oberacker, V.E.	Numerical-method for the calculation of continuum excitation amplitudes in time-dependent external-field problems	1988	Phys. Rev. C Vol. 37, 2487-2494	DOI
Reinhard, P.-G., Umar, A.S., Davies, K.T.R., Strayer, M.R. and Lee, S.-J.	Dissipation and forces in time-dependent Hartree-Fock calculations	1988	Phys. Rev. C Vol. 37, 1026-1035	DOI
Klein, A. and Umar, A.S.	Physical interpretation of time-dependent Hartree-Fock density-matrix for heavy-ion scattering	1987	Phys. Rev. C Vol. 35, 1672-1677	DOI
Lee, S.-J., Umar, A.S., Davies, K.T.R., Strayer, M.R. and Reinhard, P.-G.	Enhanced dissipation in new mean-field studies of strongly damped collisions	1987	Phys. Lett. B Vol. 196, 419-423	DOI
Klein, A. and Umar, A.S.	Physical interpretation and quantization of periodic time-dependent Hartree-Fock solutions	1986	Phys. Rev. C Vol. 34, 1965-1968	DOI
Lee, S.-J., Fink, J., Balantekin, A.B., Strayer, M.R., Umar, A.S., Reinhard, P.-G., Maruhn, J.A. and Greiner, W.	Relativistic Hartree Calculations for Axially Deformed Nuclei	1986	Phys. Rev. Lett. Vol. 57, 2916-2919	DOI
Umar, A.S. and Klein, A.	Application of a self-consistent theory of large-amplitude collective motion to the generalized meshkov-glick-lipkin model	1986	Nucl. Phys. A Vol. 458, 246-268	DOI
Umar, A.S. and Strayer, M.R.	Nuclear shape-isomeric vibrations	1986	Phys. Lett. B Vol. 171, 353-357	DOI
Umar, A.S., Strayer, M.R. and Reinhard, P.-G.	Resolution of the Fusion Window Anomaly in Heavy-Ion Collisions	1986	Phys. Rev. Lett. Vol. 56, 2793-2796	DOI
Ernst, D.J., Strayer, M.R. and Umar, A.S.	Correlations between Preequilibrium Nucleons	1985	Phys. Rev. Lett. Vol. 55, 584-587	DOI
Umar, A.S., Strayer, M.R., Cusson, R.Y., Reinhard, P.-G. and Bromley, D.A.	Time-dependent Hartree-Fock calculations of 4He+14C, 12C+12C(0+), and 4He+20Ne molecular formations	1985	Phys. Rev. C Vol. 32, 172-183	DOI
A.S., UMAR	A TIME-DEPENDENT MEAN-FIELD THEORY FOR PROMPT NUCLEON EMISSION IN HEAVY-ION REACTIONS	1985	LECTURE NOTES IN PHYSICS Vol. 219, pp. 284-287
Strayer, M.R., Cusson, R.Y., Umar, A.S., Reinhard, P.-G., Bromley, D.A. and Greiner, W.	Time-dependent Hartree-Fock picture of nuclear molecular resonances	1984	Phys. Lett. B Vol. 135, 261-265	DOI
Umar, A.S., Strayer, M.R. and Ernst, D.J.	A time-dependent external-field model for particle-emission in heavy-ion reactions	1984	Phys. Lett. B Vol. 140, 290-294	DOI
Umar, A.S., Strayer, M.R., Ernst, D.J. and Devi, K.R.S.	Mean-field theory of prompt, high-energy nucleon emission	1984	Phys. Rev. C Vol. 30, 1934-1948	DOI
CUSSON, R., STOCKER, H., STRAYER, M., A.S., UMAR, BROMLEY, D., MARUHN, J. and GREINER, W.	TDHF CALCULATION OF NUCLEAR-MOLECULES FROM C-12 + C-12 TO U-238 + U-238	1982	LECTURE NOTES IN PHYSICS Vol. 171, pp. 22-39

K. Godbey, Christian Ross, and A. S. Umar

Isospin composition of fission barriers

2024

Phys. Rev. C (Letter)
Vol. 110, L041601

DOI

Liang Li, Lu Guo, K. Godbey, and A.S. Umar

Impact of tensor forces on quasifission product yield distributions

2024

Phys. Rev. C
Vol. 110, 064607

DOI

A.S. Umar, K. Godbey, and C. Simenel

Pauli energy contribution to nucleus-nucleus interaction

2024

Eur. Phys. J. Web. Conf
Vol. 306, 01002

DOI

C. Simenel, R. Bernard, G. Blanchon, K. Godbey, H. Lee, P. McGlynn, and A.S. Umar

Shell effects in fission and quasifission

2024

Eur. Phys. J. Web. Conf
Vol. 306, 01019

DOI

A. Kayaalp, M. Arik, S.E. Ocal, O. Yilmaz, S. Ayik, and A. S. Umar

A quantal diffusion approach for multinucleon transfer in heavy-ion collisions

2024

Nucl. Phys. A
Vol. 1050, 122916

DOI

Abhishek, Paul Stevenson, Yue Shi, Esra Yüksel and A.S. Umar

The TDHF code Sky3D version 1.2

2024

Comp. Phys. Comm.
Vol. 301, 109239

DOI

Richard Gumbel, Christian Ross, and A. S. Umar

New Insights on the Role of Nucleon Exchange in Nuclear Fusion

2024

DOE Science Highlights

URL

A. Kayaalp, S. E. Ocal, B. Yaprakli, M. Arik, S. Ayik, O. Yilmaz, and A. S. Umar

A theoretical study on quasifission and fusion–fission processes in heavy-ion collisions

2024

Eur. Phys. J. A
Vol. 60, 79

DOI

Richard Gumbel, Christian Ross, and A. S. Umar

Role of isospin composition in low energy nuclear fusion

2023

Phys. Rev. C (Editors' Suggestion, Letter)
Vol. 108, L051602

DOI

M. Arik, S. Ayik, O. Yilmaz, and A. S. Umar

Description of multinucleon transfer mechanism for 48Ca+244Pu and 86Kr+198Pt reactions in quantal transport approach

2023

Phys. Rev. C
Vol. 108, 064604

DOI

S. Ayik, M. Arik, E. Erbayri, O. Yilmaz, and A. S. Umar

Study of multinucleon transfer mechanism in 160Gd + 186W collisions in stochastic mean-field theory

2023

Phys. Rev. C
Vol. 108, 054605

DOI

C. Simenel, K. Godbey, H. Lee, P. McGlynn, and A.S. Umar

Shell effects in fission and quasi-fission reactions

2023

J. Phys.: Conf. Ser.
2586, 012063

DOI

A. S. Umar, K. Godbey, and C. Simenel

Cluster model of 12C in the density functional theory framework

2023

Phys. Rev. C
Vol. 107, 064605

DOI

S. Ayik, M. Arik, O. Yilmaz, B. Yilmaz, and A. S. Umar

Multinucleon transfer mechanism in 250Cf+232Th collisions using the quantal transport description based on the stochastic mean-field approach

2023

Phys. Rev. C (Editors' Suggestion)
Vol. 107, 014609

DOI

K. Godbey, A.S. Umar, and C. Simenel

Theoretical uncertainty quantification for heavy-ion fusion

2022

Phys. Rev. C Letter (Editors' Suggestion)
Vol. 106, L051602

DOI

Liang Li, Lu Guo, K. Godbey, and A.S. Umar

Impact of tensor force on quantum shell effects in quasifission reactions

2022

Phys. Lett. B
Vol. 833, 137349

DOI

Xiang-Xiang Sun, Lu Guo, and A.S. Umar

Microscopic study of the fusion reactions 40,48Ca+78Ni and the effect of the tensor force

2022

Phys. Rev. C
Vol. 105, 034601

DOI

C. Simenel, P. McGlynn, A. S. Umar, and K. Godbey

Comparison of fission and quasi-fission modes

2021

Phys. Lett. B
Vol. 822, 136648

DOI

A. S. Umar, C. Simenel, and K. Godbey

Pauli energy contribution to the nucleus-nucleus interaction

2021

Phys. Rev. C (Editors' Suggestion)
Vol. 104, 034619

DOI

S. Ayik, M. Arik, E. C. Karanfil, O. Yilmaz, B. Yilmaz, and A. S. Umar

Quantal diffusion description of isotope production by multinucleon transfer mechanism in 48Ca+238U collisions

2021

Phys. Rev. C
Vol. 104, 054614

DOI

C. Simenel, K. Godbey, and A. S. Umar

Timescales of Quantum Equilibration, Dissipation and Fluctuation in Nuclear Collisions

2020

Phys. Rev. Lett.
Vol. 124, 212504

DOI

M. Bender, et al.

Future of Nuclear Fission Theory

2020

J. Phys. G
Vol. 47, 113002

DOI

S. Ayik, B. Yilmaz, O. Yilmaz, and A. S. Umar

Merging of transport theory with the time-dependent Hartree-Fock approach: Multinucleon transfer in U+U collisions

2020

Phys. Rev. C
Vol. 102, 024619

DOI

S. Hudan, R.T. deSouza, A.S. Umar, Z. Lin, and C.J. Horowitz

Enhanced dynamics in fusion of neutron-rich oxygen nuclei at above-barrier energies

2020

Phys. Rev. C
Vol. 101, 061601(R)

DOI

K. Godbey, C. Simenel, and A. S. Umar

Microscopic predictions for production of neutron rich nuclei in the reaction 176Yb+176Yb

2020

Phys. Rev. C
Vol. 101, 034602

DOI

K. Godbey and A. S. Umar

Quasifission Dynamics in Microscopic Theories

2020

Front. Phys.
Vol. 8, 40

DOI

N. T. Zhang, et al.

Constraining the 12C+12C astrophysical S-factors with the 12C+13C measurements at very low energies

2020

Phys. Lett. B
Vol. 801, 135170;
Vol. 803, 135278

DOI

K. Godbey, Lu Guo, and A. S. Umar

Influence of the tensor interaction on heavy-ion fusion cross sections

2019

Phys. Rev. C
Vol. 100, 054612

DOI

K. Godbey, A. S. Umar, and C. Simenel

Deformed shell effects in 48Ca+249Bk quasifission fragments

2019

Phys. Rev. C
Vol. 100, 024610

DOI

K. Godbey, C. Simenel, and A. S. Umar

Absence of hindrance in microscopic 12C+12C fusion study

2019

Phys. Rev. C
Vol. 100, 024619

DOI

S. Ayik, B. Yilmaz, O. Yilmaz, and A. S. Umar

Heavy isotope production in 136Xe+208Pb collisions at E_c.m. = 514 MeV

2019

Phys. Rev. C
Vol. 100, 044614

DOI

S. Ayik, B. Yilmaz, O. Yilmaz, and A. S. Umar

Quantal diffusion approach for multinucleon transfers in Xe+Pb collisions

2019

Phys. Rev. C
Vol. 100, 014609

DOI

V. E. Oberacker and A. S. Umar

Chapter: Density constrained TDHF

2019

Frontiers in Nuclear and Particle Physics
Vol. 2, 19-39

DOI

A. S. Umar, C. Simenel, and K. Godbey

Equilibration dynamics and isospin effects in nuclear reactions

2019

Il Nuovo Cimento C
Vol. 41, 173

DOI

A.S. Umar, C. Simenel, S. Ayik, and K. Godbey

Equilibration dynamics in nuclear reactions

2019

Eur. Phys. J. Web. Conf.
Vol. 223, 01066

DOI

Lu Guo, K. Godbey and A. S. Umar

The influence of tensor force on the microscopic heavy-ion interaction potential

2018

Phys. Rev. C
Vol. 98, 064607

DOI

B. Yilmaz, S. Ayik, O. Yilmaz, and A. S. Umar

Multi-nucleon transfer in 58Ni+60Ni and 60Ni+60Ni in stochastic mean-field approach

2018

Phys. Rev. C
Vol. 98, 034604

DOI

D. Kidd, A. S. Umar, and K. Varga

Constrained Density Functional Theory Calculation with Iterative Optimization

2018

Phys. Rev. B
Vol. 98, 075108

DOI

C. Simenel and A. S. Umar

Heavy-ions collisions and fission dynamics with the time-dependent Hartree-Fock theory and its extensions

2018

Prog. Part. Nucl. Phys.
Vol. 103, 19-66

DOI

S. Ayik, B. Yilmaz, O. Yilmaz, and A. S. Umar

Quantal diffusion description of multinucleon transfers in heavy-ion collisions

2018

Phys. Rev. C
Vol. 97, 054618

DOI

B. Schuetrumpf, P.-G. Reinhard, P.D. Stevenson, A.S. Umar, J.A. Maruhn

The TDHF Code Sky3D version 1.1

2018

Comp. Phys. Comm.
Vol. 229, 211

DOI

A. S. Umar and C. Simenel

TDHF Investigations of the U+U Quasifission Process

2018

Acta Physica Polonica B
Vol. 49, 573

DOI

A.S. Umar, C. Simenel, and W. Ye

Transport properties of isospin asymmetric nuclear matter using TDHF

2017

Phys. Rev. C
Vol. 96, 024625

DOI

S. Ayik, B. Yilmaz, O. Yilmaz, A.S. Umar, and G. Turan

Multi-Nucleon Transfer in Central Collisions of 238U+238U

2017

Phys. Rev. C
Vol. 96, 024611

DOI

Simenel, C., Umar, A.S., Godbey, K., Hinde, D., and Dasgupta, M.

How the Pauli exclusion principle affects fusion of atomic nuclei

2017

Phys. Rev. C (R)
Vol. 95, 031601

DOI

Godbey, K., Umar, A.S., and Simenel, C.

Dependence of fusion on isospin dynamics

2017

Phys. Rev. C (R)
Vol. 95, 011601

DOI

Varinderjit Singh, J. Vadas, T.K. Steinbach, B.B. Wiggins, S. Hudan, R.T. deSouza, Zidu Lin, C.J. Horowitz, L.T. Baby, S.A. Kuvin, Vandana Tripathi, I. Wiedenhover, and A.S. Umar.

Fusion enhancement at near and sub-barrier energies in 19O + 12C

2017

Phys. Lett. B
Vol. 765, 99-103

DOI

Umar, A.S., Simenel, C., and Ayik, S.

Time-dependent mean-field investigations of the quasifission process

2017

Eur. Phys. J. Web. Conf.
Vol. 163, 00061

DOI

C. Simenel, K. Godbey, A.S. Umar, K. Vo-Phuoc, M. Dasgupta, D.J. Hinde, and E.C. Simpson

Effect of Pauli repulsion and transfer on fusion

2017

Eur. Phys. J. Web. Conf.
Vol. 163, 00055

DOI

Romualdo deSouza, Justin Vadas, Varinderjit Singh, Blake Wiggins, Tracy Steinbach, Zidu Lin, Chuck Horowitz, Lagy Baby, Sean Kuvin, Vandana Tripathi, Ingo Wiedenhover, and Sait Umar

Fusion of neutron-rich oxygen nuclei

2017

Eur. Phys. J. Web. Conf.
Vol. 163, 00013

DOI

A.S. Umar, C. Simenel

Using TDHF to Study Quasifission Dynamics

2017

ICFN6 proceedings (World Scientific)
pp. 121-126

DOI

Umar, A.S., Oberacker, V.E. and Simenel, C.

Fusion and quasifission dynamics in the reactions 48Ca+249Bk and 50Ti+249Bk using a time-dependent Hartree-Fock approach

2016

Phys. Rev. C
Vol. 94, 024605

DOI

Ayik, S., Yilmaz, O., Yilmaz, B., and Umar, A.S.

Quantal nucleon diffusion: Central collisions of symmetric nuclei

2016

Phys. Rev. C
Vol. 94. 044624

DOI

Reinhard, P.-G., Umar, A.S., Stevenson, P.D., Piekarewicz, J., Oberacker, V.E. and Maruhn, J.A.

Sensitivity of the fusion cross section to the density dependence of the symmetry energy

2016

Phys. Rev. C
Vol. 93, 044618

DOI

Stevenson, P.D., Suckling, E.B., Fracasso, S., Barton, M.C. and Umar, A.S.

Skyrme tensor force in heavy ion collisions

2016

Phys. Rev. C
Vol. 93, 054617

DOI

Tohyama, M. and Umar, A.S.

Two-body dissipation effects on the synthesis of superheavy elements

2016

Phys. Rev. C
Vol. 93, 034607

DOI

Umar, A.S., Oberacker, V.E. and Simenel, C.

Quasifission dynamics in TDHF

2016

Eur. Phys. J. Web. Conf.
Vol. 117, 01002

DOI

Simenel, C., Scamps, G., Lacroix, D. and Umar, A. S.

Superfluid fission dynamics with microscopic approaches

2016

Eur. Phys. J. Web. Conf.
Vol. 107, 07001

DOI

Umar, A.S. and Oberacker, V.E.

Time-dependent HF approach to SHE dynamics

2015

Nucl. Phys. A
Vol. 944, 238-256

DOI

Umar, A.S., Oberacker, V.E., Horowitz, C.J., Reinhard, P.-G. and Maruhn, J.A.

Swelling of nuclei embedded in neutron-gas and consequences for fusion

2015

Phys. Rev. C
Vol. 92, 025808

DOI

Umar, A.S., Oberacker, V.E. and Simenel, C.

Shape evolution and collective dynamics of quasifission in the time-dependent Hartree-Fock approach

2015

Phys. Rev. C
Vol. 92, 024621

DOI

Ayik, S., Yilmaz, O., Yilmaz, B., Umar, A.S., Gokalp, A., Turan, G. and Lacroix, D.

Quantal description of nucleon exchange in a stochastic mean-field approach

2015

Phys. Rev. C
Vol. 91, 054601

DOI

Hammerton, K., Kohley, Z., Hinde, D.J., Dasgupta, M., Wakhle, A., Williams, E., Oberacker, V.E., Umar, A.S., Carter, I.P., Cook, K.J., Greene, J., Jeung, D.Y., Luong, D.H., McNeil, S.D., Palshetkar, C.S., Rafferty, D.C., Simenel, C. and Stiefel, K.

Reduced quasifission competition in fusion reactions forming neutron-rich heavy elements

2015

Phys. Rev. C (R)
Vol. 91, 041602

DOI

Umar, A.S., Oberacker, V.E. and Simenel, C.

Dynamics of quasifission

2015

AIP Conf. Proc.
Vol. 1681, 040002

DOI

Simenel, C., Dasgupta, M., Hinde, D. J., Oberacker, V. E., Umar, A. S. and Williams, E.

Microscopic study of the effect of intrinsic degrees of freedom on fusion

2015

Eur. Phys. J. Web. Conf.
Vol. 86, 00047

DOI

Stevenson, P. D., Suckling, E. B., Fracasso, S., Simmons, E. D. and Umar, A. S.

Role of the Skyrme tensor force in heavy-ion fusion

2015

Eur. Phys. J. Web. Conf.
Vol. 86, 00058

DOI

Maruhn, J.A., Reinhard, P.-G., Stevenson, P.D. and Umar, A.S.

The TDHF Code Sky3D

2014

Comp. Phys. Comm.
Vol. 185, 2195-2216

DOI

Oberacker, V.E., Umar, A.S. and Simenel, C.

Dissipative dynamics in quasifission

2014

Phys. Rev. C
Vol. 90, 054605

DOI

T. K. Steinbach, J. Vadas, J. Schmidt, C. Haycraft, S. Hudan, and R. T. deSouza, L. T. Baby, S. A. Kuvin, and I. Wiedenhover, A. S. Umar and V. E. Oberacker

Sub-barrier enhancement of fusion as compared to a microscopic method in O-18+C-12

2014

Phys. Rev. C (R)
Vol. 90, 041603

DOI

Pigg, D.A., Umar, A.S. and Oberacker, V.E.

Eulerian rotations of deformed nuclei for TDDFT calculations

2014

Comp. Phys. Comm.
Vol. 185, 1410-1414

DOI

Simenel, C. and Umar, A.S.

Formation and dynamics of fission fragments

2014

Phys. Rev. C (R)
Vol. 89, 031601

DOI

Umar, A.S., Simenel, C. and Oberacker, V.E.

Energy dependence of potential barriers and its effect on fusion cross sections

2014

Phys. Rev. C
Vol. 89, 034611

DOI

Keser, R., Umar, A.S., Oberacker, V.E., Maruhn, J.A. and Reinhard, P.-G.

Fusion using time-dependent density-constrained DFT

2014

Eur. Phys. J. Web. Conf.
Vol. 66, 03042

DOI

deSouza, R.T., Hudan, S., Oberacker, V.E. and Umar, A.S.

Confronting measured near- and sub-barrier fusion cross sections for 20O+12C with a microscopic method

2013

Phys. Rev. C
Vol. 88, 014602

DOI

Oberacker, V.E. and Umar, A.S.

Microscopic analysis of sub-barrier fusion enhancement in 132Sn+40Ca versus 132Sn+48Ca

2013

Phys. Rev. C
Vol. 87, 034611

DOI

Simenel, C., Keser, R., Umar, A.S. and Oberacker, V.E.

Microscopic study of 16O+16O fusion

2013

Phys. Rev. C
Vol. 88, 024617

DOI

A.S. Umar, V.E. Oberacker, J.A. Maruhn, and R. Keser

Microscopic calculation of fusion; light to heavy systems

2013

ICFN5 proceedings (World Scientific)
Vol. 44, pp. 68-75

DOI

Oberacker, V.E., Umar, A.S. and Keser, R.

Microscopic DC-TDHF study of heavy-ion potentials and fusion cross sections

2013

Journal of Physics Conference Series
Vol. 420, pp. 012132

DOI

Loebl, N., Umar, A.S., Maruhn, J.A., Reinhard, P.-G., Stevenson, P.D. and Oberacker, V.E.

Single-particle dissipation in a time-dependent Hartree-Fock approach studied from a phase-space perspective

2012

Phys. Rev. C
Vol. 86, 024608

DOI

Keser, R., Umar, A.S. and Oberacker, V.E.

Microscopic study of Ca+Ca fusion

2012

Phys. Rev. C
Vol. 85, 044606

DOI

Oberacker, V.E., Umar, A.S., Maruhn, J.A. and Reinhard, P.-G.

Dynamic microscopic study of pre-equilibrium giant resonance excitation and fusion in the reactions 132Sn + 48Ca and 124Sn + 40Ca

2012

Phys. Rev. C
Vol. 85, 034609

DOI

Umar, A.S., Oberacker, V.E. and Horowitz, C.J.

Microscopic sub-barrier fusion calculations for the neutron star crust

2012

Phys. Rev. C
Vol. 85, 055801

DOI

Umar, A.S., Oberacker, V.E., Maruhn, J.A. and Reinhard, P.-G.

Microscopic composition of ion-ion interaction potentials

2012

Phys. Rev. C
Vol. 85, 017602

DOI

Umar, A.S. and Oberacker, V.E.

Microscopic calculation of heavy-ion potentials based on TDHF

2012

Journal of Physics Conference Series
Vol. 402, pp. 012038

DOI

Umar, A.S., Oberacker, V.E., Keser, R., Maruhn, J.A. and Reinhard, P.-G.

Dynamic Microscopic Theory of Fusion Using DC-TDHF

2012

AIP Conference Proceedings
Vol. 1491, pp. 369-372

DOI

Ichikawa, T., Itagaki, N., Loebl, N., Maruhn, J.A., Oberacker, V.E., Ohkubo, S., Schuetrumpf, B. and Umar, A.S.

Static and Dynamic Chain Structures in the Mean-Field Theory

2011

Eur. Phys. J. Web. Conf.
Vol. 17, 07002

DOI

Reinhard, P.-G., Maruhn, J.A., Umar, A.S. and Oberacker, V.E.

Localization in light nuclei

2011

Phys. Rev. C
Vol. 83, 034312

DOI

Umar, A.S., Oberacker, V.E., Maruhn, J.A. and Reinhard, P.-G.

Microscopic Calculation of Heavy-Ion Potentials Based on TDHF

2011

Eur. Phys. J. Web. Conf.
Vol. 17, 09001

DOI

Maruhn, J.A., Loebl, N., Umar, A.S., Naoyuki Itagaki, Kimura, M., Horiuchi, H. and Tohsaki, A.

LINEAR-CHAIN STRUCTURE OF THREE-α-CLUSTERS IN 12C, 16C, AND 20C

2010

Mod. Phys. Lett. A
Vol. 25, 1866-1869

DOI

Oberacker, V.E., Umar, A.S., Maruhn, J.A. and Reinhard, P.-G.

Microscopic study of the 132,124Sn+96Zr reactions: Dynamic excitation energy, energy-dependent heavy-ion potential, and capture cross section

2010

Phys. Rev. C
Vol. 82, 034603

DOI

Umar, A.S., Maruhn, J.A., Itagaki, N. and Oberacker, V.E.

Microscopic Study of the Triple-α Reaction

2010

Phys. Rev. Lett.
Vol. 104, 212503

DOI

Umar, A.S., Oberacker, V.E., Maruhn, J.A. and Reinhard, P.-G.

Entrance channel dynamics of hot and cold fusion reactions leading to superheavy elements

2010

Phys. Rev. C
Vol. 81, 064607

DOI

Umar, A.S., Oberacker, V.E., Maruhn, J.A. and Reinhard, P.-G.

Microscopic description of nuclear fission dynamics

2010

J. Phys. G
Vol. 37, 064037

DOI

Umar, A.S. and Oberacker, V.E.

Density-constrained time-dependent Hartree-Fock calculation of 16O+208Pb fusion cross-sections

2009

Eur. Phys. J. A
Vol. 39, 243-247

DOI

Umar, A.S. and Oberacker, V.E.

Center-of-mass motion and cross-channel coupling in the time-dependent Hartree-Fock theory

2009

J. Phys. G
Vol. 36, 025101

DOI

Umar, A.S., Oberacker, V.E., Maruhn, J.A. and Reinhard, P.-G.

Microscopic calculation of precompound excitation energies for heavy-ion collisions

2009

Phys. Rev. C (R)
Vol. 80, 041601

DOI

Umar, A.S., Oberacker, V.E., Maruhn, J.A. and Reinhard, P.-G.

Density-Constrained TDHF Calculation of Fusion and Fission Barriers

2009

AIP Conference Proceedings
Vol. 1165, pp. 383

Umar, A.S. and Oberacker, V.E.

64Ni+64Ni fusion reaction calculated with the density-constrained time-dependent Hartree-Fock formalism

2008

Phys. Rev. C
Vol. 77, 064605

DOI

Umar, A.S., Oberacker, V.E. and Maruhn, J.A.

Neutron transfer dynamics and doorway to fusion in time-dependent Hartree-Fock theory

2008

Eur. Phys. J. A
Vol. 37, 245-250

DOI

Oberacker, V.E., Blazkiewicz, A. and Umar, A.S.

SKYRME-HFB CALCULATIONS IN COORDINATE SPACE FOR THE KRYPTON ISOTOPES UP TO THE TWO-NEUTRON DRIPLINE

2007

Rom. Rep. Phys.
Vol. 59, 559-568

URL

Umar, A.S. and Oberacker, V.E.

64Ni+132Sn fusion within the density-constrained time-dependent Hartree-Fock formalism

2007

Phys. Rev. C
Vol. 76, 014614

DOI

Umar, A.S. and Oberacker, V.E.

Compressibility and equation of state of finite nuclei

2007

Phys. Rev. C
Vol. 76, 024316

DOI

Umar, A.S. and Oberacker, V.E.

Dynamical deformation effects in subbarrier fusion of 64Ni+132Sn

2006

Phys. Rev. C
Vol. 74, 061601

DOI

Umar, A.S. and Oberacker, V.E.

Heavy-ion interaction potential deduced from density-constrained time-dependent Hartree-Fock calculation

2006

Phys. Rev. C (R)
Vol. 74, 021601

DOI

Umar, A.S. and Oberacker, V.E.

Time dependent Hartree-Fock fusion calculations for spherical, deformed systems

2006

Phys. Rev. C
Vol. 74, 024606

DOI

Umar, A.S. and Oberacker, V.E.

Three-dimensional unrestricted time-dependent Hartree-Fock fusion calculations using the full Skyrme interaction

2006

Phys. Rev. C
Vol. 73, 054607

DOI

Blazkiewicz, A., Oberacker, V.E. and Umar, A.S.

2-D lattice HFB calculations for neutron-rich zirconium isotopes

2005

Eur. Phys. J. A
Vol. 25, 543-544

DOI

Blazkiewicz, A., Oberacker, V.E., Umar, A.S. and Stoitsov, M.

Coordinate space Hartree-Fock-Bogoliubov calculations for the zirconium isotope chain up to the two-neutron drip line

2005

Phys. Rev. C
Vol. 71, 054321

DOI

Umar, A.S. and Oberacker, V.E.

Time-dependent response calculations of nuclear resonances

2005

Phys. Rev. C
Vol. 71, 034314

DOI

Umar, A.S. and Oberacker, V.E.

TDHF studies with modern Skyrme forces

2005

Eur. Phys. J. A
Vol. 25, 553-554

DOI

Oberacker, V.E., Umar, A.S., Blazkiewicz, A. and Teran, E.

Solution of the HFB continuum problem on a 2-D lattice: Neutron-rich and dripline nuclei

2004

NEW ERA OF NUCLEAR STRUCTURE PHYSICS, pp. 179-183

DOI

Umar, A.S., Oberacker, V.E., Teran, E. and Blazkiewicz, A.

HFB calculations for nuclei far from stability

2004

Structure and dynamics of elementary matter
Vol. 166, pp. 561-567

Oberacker, V.E., Umar, A.S., Terán, E. and Blazkiewicz, A.

Hartree-Fock-Bogoliubov calculations in coordinate space: Neutron-rich sulfur, zirconium, cerium, and samarium isotopes

2003

Phys. Rev. C
Vol. 68, 064302

DOI

Terán, E., Oberacker, V.E. and Umar, A.S.

Axially symmetric Hartree-Fock-Bogoliubov calculations for nuclei near the drip lines

2003

Phys. Rev. C
Vol. 67, 064314

DOI

Tohyama, M. and Umar, A.S.

Quadrupole resonances in unstable oxygen isotopes in time-dependent density-matrix formalism

2003

Frontiers of Collective Motions (CM2002), pp. 242-247

DOI

Umar, A.S., Oberacker, V.E. and Teran, E.

HFB calculations with high energy continuum coupling: Nuclear structure at neutron dripline

2003

PROCEEDINGS OF THE THIRD INTERNATIONAL CONFERENCE FISSION AND PROPERTIES OF NEUTRON-RICH NUCLEI, pp. 109-116

Terán, E., Oberacker, V.E. and Umar, A.S.

Theoretical description of Hartree-Fock calculations under axial symmetry: First results on tin isotopes

2002

Act. Phys. Hun.
Vol. 16, 437-446

DOI

Tohyama, M. and Umar, A.S.

Quadrupole resonances in unstable oxygen isotopes in time-dependent density-matrix formalism

2002

Phys. Lett. B
Vol. 549, 72-78

DOI

Tohyama, M. and Umar, A.S.

Fusion window problem in time-dependent Hartree-Fock theory revisited

2002

Phys. Rev. C
Vol. 65, 037601

DOI

Malov, D.E., Umar, A.S., Ernst, D.J. and Dean, D.J.

Relativistic heavy-ion collisions in the dynamical string-parton model

2001

Phys. Rev. C
Vol. 63, 024902

DOI

Tohyama, M. and Umar, A.S.

Dipole resonances in oxygen isotopes in time-dependent density-matrix theory

2001

Phys. Lett. B
Vol. 516, 415-420

DOI

Tohyama, M. and Umar, A.S.

Application of time-dependent density-matrix theory

2001

AIP CONFERENCE PROCEEDINGS
Vol. 597, pp. 258-265

Ernst, D.J., Malov, D.E. and Umar, A.S.

Classical strings and relativistic heavy-ion collisions

2000

ACTA PHYSICA HUNGARICA NEW SERIES-HEAVY ION PHYSICS
Vol. 11, pp. 239-258

Güçlü, M.C., Li, J., Umar, A.S., Ernst, D.J. and Strayer, M.R.

Electromagnetic Lepton-Pair Production in Relativistic Heavy-Ion Collisions

1999

Ann. Phys.
Vol. 272, 7-48

DOI

Malov, D.E., Umar, A.S., Ernst, D.J. and Dean, D.J.

PARTICLE IDENTIFICATION IN THE DYNAMICAL STRING-PARTON MODEL OF RELATIVISTIC HEAVY-ION COLLISIONS

1999

Intl. J. Mod. Phys. E
Vol. 8, 299-309

DOI

Malov, D.E., Umar, A.S., Ernst, D.J. and Dean, D.J.

Hadronic structure functions as distributions of classical strings

1999

Phys. Rev. C
Vol. 59, 2289-2292

DOI

Mezzacappa, A., Calder, A.C., Bruenn, S.W., Blondin, J.M., Guidry, M.W., Strayer, M.R. and Umar, A.S.

An investigation of neutrino-driven convection and the core collapse supernova mechanism using multigroup neutrino transport

1998

Astrophys. J.
Vol. 495, 911

DOI

Mezzacappa, A., Calder, A.C., Bruenn, S.W., Blondin, J.M., Guidry, M.W., Strayer, M.R. and Umar, A.S.

The interplay between proto-neutron star convection and neutrino transport in core-collapse supernovae

1998

Astrophys. J.
Vol. 493, 848

DOI

Oberacker, V.E., Umar, A.S., Wells, J.C., Strayer, M.R., Maruhn, J.A. and Reinhard, P.G.

Prompt muon-induced fission: A probe for nuclear friction in large-amplitude collective motion

1998

FISSION AND PROPERTIES OF NEUTRON-RICH NUCLEI, pp. 395-404

Chinn, C.R., Umar, A.S., Valliéres, M. and Strayer, M.R.

Mean field studies of exotic nuclei

1996

Phys. Rep.
Vol. 264, 107-121

DOI

Kegley, D.R., Oberacker, V.E., Strayer, M.R., Umar, A.S. and Wells, J.C.

Basis spline collocation method for solving the Schrodinger equation in axillary symmetric systems

1996

J. Comp. Phys.
Vol. 128, 197-208

DOI

Nazarewicz, W., Dobaczewski, J., Werner, T.R., Maruhn, J.A., Reinhard, P.-G., Rutz, K., Chinn, C.R., Umar, A.S. and Strayer, M.R.

Structure of proton drip-line nuclei around doubly magic 48Ni

1996

Phys. Rev. C
Vol. 53, 740-751

DOI

Wells, J.C., Oberacker, V.E., Strayer, M.R. and Umar, A.S.

Convergence of a lattice calculation for bound-free muon-pair production in peripheral relativistic heavy-ion collisions

1996

Phys. Rev. A
Vol. 53, 1498-1504

DOI

Werner, T.R., Sheikh, J.A., Misu, M., Nazarewicz, W., Rikovska, J., Heeger, K., Umar, A.S. and Strayer, M.R.

Ground-state properties of exotic Si, S, Ar and Ca isotopes

1996

Nucl. Phys. A
Vol. 597, 327-340

DOI

Chinn, C.R., Umar, A.S., Valliéres, M. and Strayer, M.R.

Microscopic nuclear-structure on a parallel platform

1995

Comput. Phys. Commun.
Vol. 86, 40-60

DOI

Güçlü, M.C., Wells, J.C., Umar, A.S., Strayer, M.R. and Ernst, D.J.

Impact-parameter dependence of multiple lepton-pair production from electromagnetic-fields

1995

Phys. Rev. A
Vol. 51, 1836-1844

DOI

Wells, J.C., Oberacker, V.E., Strayer, M.R. and Umar, A.S.

Lattice calculation for lepton capture from vacuum-pair production in relativistic heavy-ion collisions

1995

Nucl. Inst. Meth.
Vol. 99, 293-296

DOI

Wells, J.C., Oberacker, V.E., Strayer, M.R. and Umar, A.S.

SPECTRAL PROPERTIES OF DERIVATIVE OPERATORS IN THE BASIS-SPLINE COLLOCATION METHOD

1995

Intl. J. Phys. C
Vol. 6, 143-167

DOI

Chinn, C.R., Umar, A.S., Valliéres, M. and Strayer, M.R.

Parallel implementation of many-body mean-field equations

1994

Phys. Rev. E
Vol. 50, 5096-5106

DOI

Umar, A.S., Wells, J.C. and Strayer, M.R.

The basis-spline collocation method: A SYMPOSIUM IN HONOR OF CHRISTOPHER BOTTCHER (1945-1993)

1995

AIP CONFERENCE PROCEEDINGS
Vol. 347, pp. 127-138

A.S., UMAR, WELLS, J., OBERACKER, V. and STRAYER, M.

Large scale 3-D solutions of the time-dependent Dirac equation

1995

COMPUTATIONAL PHYSICS
Vol. 1, pp. 140-150

VALLIERES, M., A.S., UMAR, STRAYER, M. and CHINN, C.

Many-body mean-field equations: Parallel implementation

1995

COMPUTATIONAL PHYSICS
Vol. 1, pp. 151-158

Wells, J.C., Oberacker, V.E., Strayer, M.R. and Umar, A.S.

Pair production with capture on a 3-D lattice: Converging on a solution

1995

AIP CONFERENCE PROCEEDINGS
Vol. 347, pp. 267-278

Werner, T.R., Sheikh, J.A., Nazarewicz, W., Strayer, M.R., Umar, A.S. and Misu, M.

Shape coexistence around _1644S_28: the deformed N=28 region

1994

Phys. Lett. B
Vol. 335, 259-265

DOI

OBERACKER, V., WELLS, J., A.S., UMAR and STRAYER, M.

PERTURBATIVE AND NONPERTURBATIVE EM LEPTON PAIR PRODUCTION IN RELATIVISTIC HEAVY-ION COLLISIONS

1994

NATO ADVANCED SCIENCE INSTITUTES SERIES, SERIES B, PHYSICS
Vol. 335, pp. 569-578

A.S., UMAR, D.J., DEAN and STRAYER, M.

STRING-PARTON MODEL DESCRIPTION OF RELATIVISTIC HEAVY-ION COLLISIONS

1994

NATO ADVANCED SCIENCE INSTITUTES SERIES, SERIES B, PHYSICS
Vol. 335, pp. 373-381

WELLS, J., OBERACKER, V., STRAYER, M. and A.S., UMAR

RECENT PROGRESS IN NONPERTURBATIVE ELECTROMAGNETIC LEPTON-PAIR PRODUCTION WITH CAPTURE IN RELATIVISTIC HEAVY-ION COLLISIONS

1994

NATO ADVANCED SCIENCE INSTITUTES SERIES, SERIES B, PHYSICS
Vol. 335, pp. 777-785

Dean, D.J., Umar, A.S. and Strayer, M.R.

Dynamical evolution of hadronic matter in relativistic collisions

1993

Phys. Rev. C
Vol. 48, 2433-2442

DOI

Oberacker, V.E., Umar, A.S., Wells, J.C., Bottcher, C., Strayer, M.R. and Maruhn, J.

Muon-induced fission: A probe for nuclear dissipation and fission dynamics

1993

Phys. Rev. C
Vol. 48, 1297-1306

DOI

Wells, J.C., Umar, A.S., Oberacker, V.E., Bottcher, C., Strayer, M.R., Wu, J.S., Drake, J. and Flanery, R.

A NUMERICAL IMPLEMENTATION OF THE DIRAC EQUATION ON A HYPERCUBE MULTICOMPUTER

1993

Intl. J. Phys.
Vol. 4, 459-492

DOI

A.S., UMAR, D.J., DEAN, BOTTCHER, C. and STRAYER, M.

SPLINE METHODS FOR HYDRODYNAMIC EQUATIONS - PARALLEL IMPLEMENTATION

1993

PROCEEDINGS OF THE SIXTH SIAM CONFERENCE ON PARALLEL PROCESSING FOR SCIENTIFIC COMPUTING, VOLS 1 AND 2, pp. 26-30

WELLS, J., OBERACKER, V., A.S., UMAR, BOTTCHER, C., STRAYER, M., DRAKE, J. and FLANERY, R.

THE QUANTUM STRUCTURE OF MATTER GRAND CHALLENGE PROJECT - LARGE-SCALE 3-D SOLUTIONS IN RELATIVISTIC QUANTUM DYNAMICS

1993

SUPERCOMPUTING PROCEEDINGS, pp. 44

Dean, D.J., Gyulassy, M., Muller, B., Remler, E.A., Strayer, M.R., Umar, A.S. and Wu, J.S.

Multiparticle production in lepton-nucleus collisions and relativistic string models

1992

Phys. Rev. C
Vol. 46, 2066-2076

DOI

Dean, D.J., Umar, A.S., Wu, J.S. and Strayer, M.R.

Dynamic string-parton model for relativistic heavy-ion collisions

1992

Phys. Rev. C
Vol. 45, 400-414

DOI

Oberacker, V.E., Umar, A.S., Wells, J.C., Strayer, M.R. and Bottcher, C.

Study of nuclear dissipation via muon-induced fission: A relativistic lattice calculation

1992

Phys. Lett. B
Vol. 293, 270-274

DOI

Umar, A.S., Dean, D.J. and Strayer, M.R.

A Dynamical String-Parton Model for Relativistic Heavy-Ion Collisions

1992

Nucl. Phys. A
Vol. 544, 475c-478c

DOI

Wells, J.C., Oberacker, V.E., Umar, A.S., Bottcher, C., Strayer, M.R., Wu, J.S. and Plunien, G.

Nonperturbative electromagnetic lepton-pair production in peripheral relativistic heavy-ion collisions

1992

Phys. Rev. A
Vol. 45, 6296-6312

DOI

D.J., DEAN, A.S., UMAR, J.S., WU and STRAYER, M.

A DYNAMIC PICTURE OF HADRON-HADRON COLLISIONS WITH THE STRING-PARTON MODEL

1992

COMPUTATIONAL QUANTUM PHYSICS
Vol. 260, pp. 159-171

WELLS, J., OBERACKER, V., A.S., UMAR, BOTTCHER, C., STRAYER, M. and J.S., WU

NONPERTURBATIVE ELECTROMAGNETIC MUON-PAIR PRODUCTION WITH CAPTURE IN PERIPHERAL RELATIVISTIC HEAVY-ION COLLISIONS

1992

COMPUTATIONAL QUANTUM PHYSICS
Vol. 260, pp. 215-227

Umar, A.S. and Strayer, M.R.

Numerical methods for nuclear mean-field dynamics

1991

Comp. Phys. Com.
Vol. 63, 179-202

DOI

Umar, A.S. and Strayer, M.R.

Numerical-methods for nuclear mean-field dynamics

1991

Comput. Phys. Commun.
Vol. 63, 179-202

DOI

Umar, A.S., Strayer, M.R., Wu, J.S., Dean, D.J. and Güçlü, M.C.

Nuclear Hartree-Fock calculations with splines

1991

Phys. Rev. C
Vol. 44, 2512-2521

DOI

Umar, A.S., Wu, J., Strayer, M.R. and Bottcher, C.

Basis-spline collocation method for the lattice solution of boundary-value-problems

1991

J. Comp. Phys.
Vol. 93, 426-448

DOI

Strayer, M.R., Bottcher, C., Oberacker, V.E. and Umar, A.S.

Lattice calculation of muon-pair production with capture in relativistic heavy-ion collisions

1990

Phys. Rev. A
Vol. 41, 1399-1407

DOI

Bottcher, C., Strayer, M.R., Umar, A.S. and Reinhard, P.-G.

Damped relaxation techniques to calculate relativistic bound-states

1989

Phys. Rev. A
Vol. 40, 4182-4189

DOI

Dean, D.J., Umar, A.S. and Strayer, M.R.

Velocity dependence of prompt, high-energy nucleon emission

1989

Phys. Rev. C
Vol. 40, 1213-1218

DOI

Umar, A.S., Strayer, M.R., Reinhard, P.-G., Davies, K.T.R. and Lee, S.-J.

Spin-orbit force in time-dependent Hartree-Fock calculations of heavy-ion collisions

1989

Phys. Rev. C
Vol. 40, 706-714

DOI

OBERACKER, V., A.S., UMAR, STRAYER, M. and BOTTCHER, C.

LATTICE CALCULATION OF DILEPTON PRODUCTION IN PERIPHERAL RELATIVISTIC HEAVY-ION COLLISIONS

1989

NUCLEAR EQUATION OF STATE, PT B: QCD AND THE FORMATION OF THE QUARK-GLUON PLASMA
Vol. 216, pp. 563-570

Bottcher, C., Strayer, M.R., Umar, A.S. and Oberacker, V.E.

Numerical-method for the calculation of continuum excitation amplitudes in time-dependent external-field problems

1988

Phys. Rev. C
Vol. 37, 2487-2494

DOI

Reinhard, P.-G., Umar, A.S., Davies, K.T.R., Strayer, M.R. and Lee, S.-J.

Dissipation and forces in time-dependent Hartree-Fock calculations

1988

Phys. Rev. C
Vol. 37, 1026-1035

DOI

Klein, A. and Umar, A.S.

Physical interpretation of time-dependent Hartree-Fock density-matrix for heavy-ion scattering

1987

Phys. Rev. C
Vol. 35, 1672-1677

DOI

Lee, S.-J., Umar, A.S., Davies, K.T.R., Strayer, M.R. and Reinhard, P.-G.

Enhanced dissipation in new mean-field studies of strongly damped collisions

1987

Phys. Lett. B
Vol. 196, 419-423

DOI

Klein, A. and Umar, A.S.

Physical interpretation and quantization of periodic time-dependent Hartree-Fock solutions

1986

Phys. Rev. C
Vol. 34, 1965-1968

DOI

Lee, S.-J., Fink, J., Balantekin, A.B., Strayer, M.R., Umar, A.S., Reinhard, P.-G., Maruhn, J.A. and Greiner, W.

Relativistic Hartree Calculations for Axially Deformed Nuclei

1986

Phys. Rev. Lett.
Vol. 57, 2916-2919

DOI

Umar, A.S. and Klein, A.

Application of a self-consistent theory of large-amplitude collective motion to the generalized meshkov-glick-lipkin model

1986

Nucl. Phys. A
Vol. 458, 246-268

DOI

Umar, A.S. and Strayer, M.R.

Nuclear shape-isomeric vibrations

1986

Phys. Lett. B
Vol. 171, 353-357

DOI

Umar, A.S., Strayer, M.R. and Reinhard, P.-G.

Resolution of the Fusion Window Anomaly in Heavy-Ion Collisions

1986

Phys. Rev. Lett.
Vol. 56, 2793-2796

DOI

Ernst, D.J., Strayer, M.R. and Umar, A.S.

Correlations between Preequilibrium Nucleons

1985

Phys. Rev. Lett.
Vol. 55, 584-587

DOI

Umar, A.S., Strayer, M.R., Cusson, R.Y., Reinhard, P.-G. and Bromley, D.A.

Time-dependent Hartree-Fock calculations of 4He+14C, 12C+12C(0+), and 4He+20Ne molecular formations

1985

Phys. Rev. C
Vol. 32, 172-183

DOI

A.S., UMAR

A TIME-DEPENDENT MEAN-FIELD THEORY FOR PROMPT NUCLEON EMISSION IN HEAVY-ION REACTIONS

1985

LECTURE NOTES IN PHYSICS
Vol. 219, pp. 284-287

Strayer, M.R., Cusson, R.Y., Umar, A.S., Reinhard, P.-G., Bromley, D.A. and Greiner, W.

Time-dependent Hartree-Fock picture of nuclear molecular resonances

1984

Phys. Lett. B
Vol. 135, 261-265

DOI

Umar, A.S., Strayer, M.R. and Ernst, D.J.

A time-dependent external-field model for particle-emission in heavy-ion reactions

1984

Phys. Lett. B
Vol. 140, 290-294

DOI

Umar, A.S., Strayer, M.R., Ernst, D.J. and Devi, K.R.S.

Mean-field theory of prompt, high-energy nucleon emission

1984

Phys. Rev. C
Vol. 30, 1934-1948

DOI

CUSSON, R., STOCKER, H., STRAYER, M., A.S., UMAR, BROMLEY, D., MARUHN, J. and GREINER, W.

TDHF CALCULATION OF NUCLEAR-MOLECULES FROM C-12 + C-12 TO U-238 + U-238

1982

LECTURE NOTES IN PHYSICS
Vol. 171, pp. 22-39