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AuthorTitleYearJournalDOI/URL
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 Ec.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