NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = S.Ayik Found 82 matches. 2023AR15 Phys.Rev. C 108, 064604 (2023) M.Arik, S.Ayik, O.Yilmaz, A.S.Umar Description of the multinucleon transfer mechanism for 48Ca + 244Pu and 86Kr + 198Pt reactions in a quantal transport approach
doi: 10.1103/PhysRevC.108.064604
2023AY01 Phys.Rev. C 107, 014609 (2023) S.Ayik, M.Arik, O.Yilmaz, B.Yilmaz, A.S.Umar Multinucleon transfer mechanism in 250Cf + 232Th collisions using the quantal transport description based on the stochastic mean-field approach NUCLEAR REACTIONS 232Th(250Cf, X), E(cm)=950; calculated drift path of Cf-like fragments in the head-on collision, total kinetic energy, fragments mass and charge distribution yields for different combinations of 250Cf and 232Th orientations, primary and secondary production σ, mean values of neutron and proton numbers of Cf-like fragments, diffusion coefficients. Stochastic mean field approach which provides an extension to the standard time-dependent Hartree-Fock theory by including mean-field fluctuations.
doi: 10.1103/PhysRevC.107.014609
2023AY04 Phys.Rev. C 108, 054605 (2023) S.Ayik, M.Arik, E.Erbayri, O.Yilmaz, A.S.Umar Multinucleon transfer mechanism in 160Gd + 186W collisions in stochastic mean-field theory
doi: 10.1103/PhysRevC.108.054605
2021AY06 Phys.Rev. C 104, 054614 (2021) S.Ayik, M.Arik, E.C.Karanfil, O.Yilmaz, B.Yilmaz, A.S.Umar Quantal diffusion description of isotope production via the multinucleon transfer mechanism in 48Ca + 238U collisions NUCLEAR REACTIONS 238U(48Ca, X), E(cm)=193 MeV; calculated neutron and proton diffusion coefficients, mean drift path of the projectile-like fragments, neutron, proton, and mixed variances as a functions of time and initial orbital angular momentum, orbital angular momentum, final average total kinetic energy (TKE), average total excitation energy, and scattering angles, mean values of mass and charge numbers of initial and final fragments, combined primary yield of multi-nucleon transfer and binary fission as function fragment mass, isotopic production σ for 238U(48Ca, X), E(cm)=193.1 MeV; calculated production σ for primary and secondary isotopes of A=150-200 Tb, Dy, Ho and Er, A=160-210 Tm, Yb, Lu and Hf, A=170-220 Ta, W, Re and Os, and A=180-230 Ir, Pt, Au and Hg. Methods involved quantal diffusion from stochastic mean-field approach, and transport properties from time-dependent single-particle wave functions of the time-dependent Hartree-Fock theory using statistical GEMINI++ code.
doi: 10.1103/PhysRevC.104.054614
2020AY06 Phys.Rev. C 102, 024619 (2020) S.Ayik, B.Yilmaz, O.Yilmaz, A.S.Umar Merging of transport theory with the time-dependent Hartree-Fock approach: Multinucleon transfer in U + U collisions NUCLEAR REACTIONS 238U(238U, X), E(cm)=833 MeV; calculated density profile and the geometry of the collisions, values of final masses and charges of the projectile-like and target-like fragments, final orbital angular momentum, total kinetic energy (TKE), total excitation energy, center of mass angle, laboratory scattering angles for tip-tip and side-side collisions, asymptotic values of the neutron, the proton and the mixed dispersions, neutron and proton diffusion coefficients, production σ(N, Z), σ(A), σ(Z) for primary fragments, production σ(A) of gold isotopes averaged over tip-tip and side-side geometries as a function of the mass numbers, and compared with experimental data. 240Cm(236Ra, X), E(cm)=833 MeV; calculated drift path of the radium-like fragments in central collisions, neutron and proton numbers of radium-like fragments as function of time, neutron and proton diffusion coefficients. Multinucleon transfer mechanism treated in the framework of quantal diffusion description based on the stochastic mean-field (SMF) properties derived from the time-dependent Hartree-Fock (TDHF) wave functions.
doi: 10.1103/PhysRevC.102.024619
2020AY07 Phys.Rev. C 102, 064619 (2020) Kinetic-energy dissipation and fluctuations in strongly damped heavy-ion collisions within the stochastic mean-field approach NUCLEAR REACTIONS 208Pb(136Xe, X), E(cm)=526 MeV; calculated diffusion and friction coefficients for radial linear momentum, total kinetic energy (TKE), and total kinetic energy loss (TKEL) distributions using time-dependent Hartree-Fock (TDHF) and stochastic mean-field (SMF) theories; deduced strongly damped collisions at around the Coulomb barrier.
doi: 10.1103/PhysRevC.102.064619
2020LA01 Phys.Rev. C 101, 014310 (2020) Counting statistics in finite Fermi systems: Illustrations with the atomic nucleus NUCLEAR STRUCTURE 48Ca; analyzed probability (or counting statistics) to find a given number of particles in a finite volume inside normal systems, superfluid systems, and superfluid systems with total particle number restoration using projection operator techniques linked to the characteristic function of the probability distribution; also analyzed transition from Poissonian distribution in the small volume limit to Gaussian fluctuations as the number of particles participating in the fluctuations increases in the interior and at the surface of the system.
doi: 10.1103/PhysRevC.101.014310
2020SE12 Phys.Rev. C 102, 014620 (2020) Quantal diffusion approach for multinucleon transfer processes in the 58, 64Ni + 208Pb reactions: Toward the production of unknown neutron-rich nuclei NUCLEAR REACTIONS 208Pb(58Ni, X), E(cm)=270 MeV; 208Pb(64Ni, X), E(cm)=268 MeV; calculated average mass and charge of reaction products, total kinetic energy loss (TKEL), contact time, diffusion coefficients and covariances for neutron and proton transfers, and production σ for primary and secondary products using three-dimensional time-dependent Hartree-Fock (TDHF) with Skyrme SLy4d functional, and stochastic mean field (SMF) approaches, supplemented with statistical model GEMINI++.
doi: 10.1103/PhysRevC.102.014620
2019AY02 Phys.Rev. C 100, 014609 (2019) S.Ayik, B.Yilmaz, O.Yilmaz, A.S.Umar Quantal diffusion approach for multinucleon transfers in Xe + Pb collisions NUCLEAR REACTIONS 136Xe(208Pb, X), 130Te(214Po, X), 138Ce(206Pt, X), E(cm)=526 MeV; calculated distribution of projectile-like and target-like reaction product by mass number and charge for 208Pb+136Xe reaction, neutron and proton diffusion coefficients and drift paths using quantal diffusion approach.
doi: 10.1103/PhysRevC.100.014609
2019AY06 Phys.Rev. C 100, 044614 (2019) S.Ayik, O.Yilmaz, B.Yilmaz, A.S.Umar Heavy-isotope production in 136Xe 208Pb collisions at Ec.m. = 514 MeV NUCLEAR REACTIONS 208Pb(136Xe, X)210Po/222Rn/224Ra, E(cm)=514 MeV; calculated TKE, excitation energy, scattering angles, mass dispersions toward asymmetry and symmetry directions, production σ for A=110-230 isotopes, and for primary isotopes of Z=84, 86 and 88 as a function of mass number using stochastic mean field (SMF) approach. Comparison with experimental data.
doi: 10.1103/PhysRevC.100.044614
2018AY03 Phys.Rev. C 97, 054618 (2018) S.Ayik, B.Yilmaz, O.Yilmaz, A.S.Umar Quantal diffusion description of multinucleon transfers in heavy-ion collisions NUCLEAR REACTIONS 238U(48Ca, X), E(cm)=193 MeV; calculated collision density profile, neutron and proton mean-drift path, drift and diffusion coefficients, curvature parameters, covariance of fragment mass distribution, impact parameter, final orbital angular momentum, final average total kinetic energy TKE, average total excitation energy, scattering angles, mass and charge numbers of final fragments, yield and production cross section of primary fragments. Stochastic mean-field (SMF) approach with a quantal diffusion description of the multi-nucleon transfer in heavy-ion collisions at finite impact parameters. Comparison with experimental data.
doi: 10.1103/PhysRevC.97.054618
2018YI04 Phys.Rev. C 98, 034604 (2018) B.Yilmaz, S.Ayik, O.Yilmaz, A.S.Umar Multinucleon transfer in 58Ni + 60Ni and 60Ni + 60Ni in a stochastic mean-field approach NUCLEAR REACTIONS 60Ni(58Ni, X), (60Ni, X), E(cm)=135.6 MeV; calculated density profiles, neutron and proton diffusion coefficients, one-sided mean drift paths, collision covariances, dispersion per unit mass, and fragment mass distribution using stochastic mean-field (SMF) approach. Comparison with experimental values and time-dependent random-phase approximation (TDRPA) calculations.
doi: 10.1103/PhysRevC.98.034604
2017AY05 Phys.Rev. C 96, 024611 (2017) S.Ayik, B.Yilmaz, O.Yilmaz, A.S.Umar, G.Turan Multinucleon transfer in central collisions of 238U + 238U NUCLEAR REACTIONS 238U(238U, X), E(cm)=900, 1050 MeV; calculated density profiles in the reaction plane, and mean drift path of the projectile-like fragments using time-dependent Hartree-Fock (TDHF) approach, quantal neutron and proton diffusion coefficients, memory effects and covariances, primary fragment mass distributions using stochastic mean-field (SMF) approach.
doi: 10.1103/PhysRevC.96.024611
2017TA08 Phys.Rev.Lett. 118, 152501 (2017) Microscopic Phase-Space Exploration Modeling of 258Fm Spontaneous Fission RADIOACTIVITY 258Fm(SF); calculated total kinetic energy, product, yields, quadrupole and octupole deformation parameters, neutron multiplicity. Comparison with available data.
doi: 10.1103/PhysRevLett.118.152501
2016AY06 Phys.Rev. C 94, 044624 (2016) S.Ayik, O.Yilmaz, B.Yilmaz, A.S.Umar Quantal nucleon diffusion: Central collisions of symmetric nuclei NUCLEAR REACTIONS 28O(28O, X), E(cm)=8.7 MeV; 40Ca(40Ca, X), E(cm)=52.7 MeV; 48Ca(48Ca, X), E(cm)=50.7 MeV; 56Ni(56Ni, X), E(cm)=100.0 MeV; calculated quantal and semiclassical neutron and proton diffusion coefficients, effect of Pauli blocking on fragment neutron and proton variances using stochastic mean-field (SMF) approach.
doi: 10.1103/PhysRevC.94.044624
2016LA12 Eur.Phys.J. A 52, 94 (2016) D.Lacroix, Y.Tanimura, S.Ayik, B.Yilmaz A simplified BBGKY hierarchy for correlated fermions from a stochastic mean-field approach
doi: 10.1140/epja/i2016-16094-1
2015AC03 Phys.Rev. C 92, 034605 (2015) F.Acar, S.Ayik, O.Yilmaz, A.Gokalp Growth of spinodal instabilities in nuclear matter. II. Asymmetric matter
doi: 10.1103/PhysRevC.92.034605
2015AY03 Phys.Rev. C 91, 054601 (2015) S.Ayik, O.Yilmaz, B.Yilmaz, A.S.Umar, A.Gokalp, G.Turan, D.Lacroix Quantal description of nucleon exchange in a stochastic mean-field approach NUCLEAR REACTIONS 40Ca(40Ca, X), E(cm)=52.7 MeV; 48Ca(48Ca, X), E(cm)=50.7 MeV; 56Ni(56Ni, X), E(cm)=99.9 MeV; calculated quantal diffusion coefficient and variance of fragment mass distribution as a function of time in central collision. Stochastic mean-field approach. Comparison with other theoretical calculations.
doi: 10.1103/PhysRevC.91.054601
2015AY08 Phys.Rev. C 92, 064615 (2015) Multinucleon exchange in quasifission reactions NUCLEAR REACTIONS 238U(40Ca, X), E(cm)=202.0 MeV; 238U(48Ca, X), E(cm)=198.7 MeV; calculated mean drift paths of projectile-like fragments, proton and neutron drift coefficients, diffusion coefficients for proton and neutron exchange, and mass dispersion of the fragment distributions. Dinuclear structure. Stochastic mean-field (SMF) approach with time-dependent Hartree-Fock (TDHF) calculations for systems near the quasifission regime.
doi: 10.1103/PhysRevC.92.064615
2015YI01 Phys.Rev. C 91, 014605 (2015) O.Yilmaz, S.Ayik, F.Acar, A.Gokalp Growth of spinodal instabilities in nuclear matter
doi: 10.1103/PhysRevC.91.014605
2014LA19 Eur.Phys.J. A 50, 95 (2014) Stochastic quantum dynamics beyond mean field NUCLEAR REACTIONS 40Ca(40Ca, x), E(cm)=100 MeV; calculated friction and diffusion coefficients vs relative distance.
doi: 10.1140/epja/i2014-14095-8
2014YI03 Phys.Rev. C 90, 024613 (2014) B.Yilmaz, S.Ayik, D.Lacroix, O.Yilmaz Nucleon exchange in heavy-ion collisions within a stochastic mean-field approach NUCLEAR REACTIONS 40Ca(40Ca, X), E(cm)=110 MeV; 90Zr(90Zr, X), E(cm)=300 MeV; calculated diffusion coefficients for nucleon exchange, widths of fragment mass distributions, and asymptotic values of cross sections as a function of orbital angular momentum in deep-inelastic symmetric heavy-ion collisions. Stochastic mean-field (SMF) approach. Comparison with predictions of phenomenological nucleon exchange model, and available experimental data.
doi: 10.1103/PhysRevC.90.024613
2013LA21 Phys.Rev. C 87, 061302 (2013) D.Lacroix, D.Gambacurta, S.Ayik Quantal corrections to mean-field dynamics including pairing
doi: 10.1103/PhysRevC.87.061302
2013YI02 Eur.Phys.J. A 49, 33 (2013) O.Yilmaz, S.Ayik, F.Acar, S.Saatci, A.Gokalp Investigations of spinodal dynamics in asymmetric nuclear matter within a stochastic relativistic model
doi: 10.1140/epja/i2013-13033-8
2012LA09 Phys.Rev. C 85, 041602 (2012) Symmetry breaking and fluctuations within stochastic mean-field dynamics: Importance of initial quantum fluctuations
doi: 10.1103/PhysRevC.85.041602
2011AY01 Nucl.Phys. A859, 73 (2011) S.Ayik, O.Yilmaz, F.Acar, B.Danisman, N.Er, A.Gokalp Investigations of instabilities in nuclear matter in stochastic relativistic models
doi: 10.1016/j.nuclphysa.2011.04.004
2011YI02 Phys.Rev. C 83, 064615 (2011) B.Yilmaz, S.Ayik, D.Lacroix, K.Washiyama Nucleon exchange mechanism in heavy-ion collisions at near-barrier energies NUCLEAR REACTIONS 90Zr(40Ca, X), E(cm)=97 MeV; calculated nucleon density profiles, number of nucleon transfer to the target, nucleon drift coefficients, nucleon diffusion coefficients, fragment mass distributions in frameworks of the standard mean-field provided by the TDHF equations and the stochastic mean-field (SMF) approaches.
doi: 10.1103/PhysRevC.83.064615
2011YI04 Eur.Phys.J. A 47, 123 (2011) Quantal description of instabilities in nuclear matter in a stochastic relativistic model
doi: 10.1140/epja/i2011-11123-3
2010AY03 Phys.Rev. C 81, 034605 (2010) Stochastic semi-classical description of fusion at near-barrier energies NUCLEAR REACTIONS 58Ni(58Ni, X), 58,64Ni(64Ni, X), E(cm)=85-110 MeV; calculated fusion cross sections using stochastic semi-classical model. Comparison with experimental data and other theoretical calculations.
doi: 10.1103/PhysRevC.81.034605
2009AY01 Phys.Rev. C 79, 054606 (2009) S.Ayik, K.Washiyama, D.Lacroix Fluctuation and dissipation dynamics in fusion reactions from a stochastic mean-field approach NUCLEAR REACTIONS 40Ca(40Ca, X), E(cm)=100 MeV; calculated density profiles, neck radius, reduced friction coefficient and diffusion coefficient. Stochastic mean-field (SMF) approach using Dissipative-dynamics time-dependent Hartree-Fock method (DD-TDHF).
doi: 10.1103/PhysRevC.79.054606
2009AY03 Phys.Rev. C 80, 034613 (2009) S.Ayik, O.Yilmaz, N.Er, A.Gokalp, P.Ring Spinodal instabilities in nuclear matter in a stochastic relativistic mean-field approach
doi: 10.1103/PhysRevC.80.034613
2009WA03 Phys.Rev. C 79, 024609 (2009) K.Washiyama, D.Lacroix, S.Ayik One-body energy dissipation in fusion reactions from mean-field theory NUCLEAR REACTIONS 40Ca(40Ca, X), E=55-100 MeV; calculated barrier heights, reduced friction coefficients, number of nucleons transferred, total energy dissipation, occupancy factors for neutron single-particle states and internal excitation energy using DD-TDHF calculations. 40Ca, 48Ca, 208Pb(16O, X), $48Ca, 90Zr(40Ca, X), 48Ca(48Ca, X), E not given; calculated barrier heights and reduced friction coefficients for incident energies near or greater than Coulomb barrier.
doi: 10.1103/PhysRevC.79.024609
2009WA16 Phys.Rev. C 80, 031602 (2009) K.Washiyama, S.Ayik, D.Lacroix Mass dispersion in transfer reactions with a stochastic mean-field theory NUCLEAR REACTIONS 40Ca(40Ca, X), E(cm)=51, 52.5, 53 MeV; 56Ni(56Ni, X), E(cm)=98, 99.5, 100 MeV; 90Zr(90Zr, X), E(cm)=178, 179, 180 MeV; calculated diffusion coefficients and fragment mass variances in heavy-ion collisions using stochastic mean-field calculations.
doi: 10.1103/PhysRevC.80.031602
2008AY01 Phys.Lett. B 658, 174 (2008) A stochastic mean-field approach for nuclear dynamics
doi: 10.1016/j.physletb.2007.09.072
2008AY06 Nucl.Phys. A812, 44 (2008) S.Ayik, N.Er, O.Yilmaz, A.Gokalp Quantal effects on spinodal instabilities in charge asymmetric nuclear matter
doi: 10.1016/j.nuclphysa.2008.08.007
2005AY01 Phys.Rev. C 71, 054611 (2005) S.Ayik, B.Yilmaz, A.Gokalp, O.Yilmaz, N.Takigawa Quantum statistical effects on fusion dynamics of heavy ions
doi: 10.1103/PhysRevC.71.054611
2004CO10 Nucl.Phys. A738, 108 (2004) M.Colonna, S.Ayik, V.Baran, Ph.Chomaz, M.Di Toro Dynamics of cluster formation in liquid-gas phase transitions NUCLEAR STRUCTURE 36,40,48Ca, 100,120,132Sn; calculated cluster formation arising from unstable collective modes.
doi: 10.1016/j.nuclphysa.2004.04.018
2004LA07 Prog.Part.Nucl.Phys. 52, 497 (2004) Nuclear collective vibrations in extended mean-field theory
doi: 10.1016/j.ppnp.2004.02.002
2004TA14 Phys.Rev. C 69, 054605 (2004) N.Takigawa, S.Ayik, K.Washiyama, S.Kimura Quantum effect in the diffusion along a potential barrier: Comments on the synthesis of superheavy elements
doi: 10.1103/PhysRevC.69.054605
2004TA29 Prog.Theor.Phys.(Kyoto), Suppl. 154, 192 (2004) N.Takigawa, T.Rumin, T.Masamoto, T.Takehi, K.Washiyama, S.Ayik Recent Theoretical Activities of Heavy-Ion Fusion Reactions in Sendai
doi: 10.1143/PTPS.154.192
2003AY03 Acta Phys.Pol. B34, 4229 (2003) S.Ayik, A.Gokalp, O.Yilmaz, K.Bozkurt Collisional effects in isovector response function of nuclear matter at finite temperature NUCLEAR STRUCTURE 120Sn, 208Pb; calculated GDR strength functions. Comparison with data.
2002CO06 Phys.Rev.Lett. 88, 122701 (2002) Mechanical and Chemical Spinodal Instabilities in Finite Quantum Systems NUCLEAR STRUCTURE 36,40,48Ca, 100,120,132Sn; calculated instability regions in phase diagram.
doi: 10.1103/PhysRevLett.88.122701
2001AY02 Phys.Rev. C64, 024609 (2001) Stochastic One-Body Transport and Coupling to Mean-Field Fluctuations
doi: 10.1103/PhysRevC.64.024609
2001GO12 Acta Phys.Pol. B32, 835 (2001) A.Gokalp, O.Yilmaz, S.Yildirim, S.Ayik Collisional Damping of Giant Dipole Resonance in 120Sn and 208Pb NUCLEAR STRUCTURE 120Sn, 208Pb; calculated GDR widths vs temperature, role of collisional damping.
2001LA13 Phys.Rev. C63, 064305 (2001) Collective Response of Nuclei: Comparison between experiments and extended mean-field calculations NUCLEAR STRUCTURE 40Ca, 90Zr, 120Sn, 208Pb; calculated giant resonance response functions; deduced role of coherent and incoherent damping. Comparisons with data.
doi: 10.1103/PhysRevC.63.064305
2001SC24 Nucl.Phys. A687, 220c (2001) Width of Hot Giant Dipole Resonance
doi: 10.1016/S0375-9474(01)00624-8
2001YI02 Eur.Phys.J. A 10, 289 (2001) S.Yildirim, A.Gokalp, O.Yilmaz, S.Ayik Collisional Damping of Giant Monopole and Quadrupole Resonances NUCLEAR STRUCTURE 120Sn, 208Pb; calculated giant resonance collisional damping widths vs temperature. Comparisons with data.
doi: 10.1007/s100500170114
2000AY01 Phys.Rev. C61, 014608 (2000) Fragmentation and Damping of the Collective Response in Extended Random-Phase Approximation NUCLEAR STRUCTURE 40Ca; calculated monopole, dipole, quadrupole excitations strength distributions; deduced role of coupling to doorway states. Extended time-dependent Hartree-Fock approach.
doi: 10.1103/PhysRevC.61.014608
2000AY03 Phys.Lett. 493B, 47 (2000) Extended TDHF with a Coherent Collision Term
doi: 10.1016/S0370-2693(00)01144-8
2000CH28 Phys.Rev. C62, 024307 (2000) P.Chomaz, D.Lacroix, S.Ayik, M.Colonna Collisional Damping and Collisional Coupling in the Nuclear Collective Response NUCLEAR STRUCTURE 40Ca; calculated isoscalar monopole, GDR strength distributions; deduced role of collective state coupling. Extended temperature-dependent Hartree-Fock theory.
doi: 10.1103/PhysRevC.62.024307
2000LA30 Phys.Lett. 489B, 137 (2000) Collisional Effects in the Finite Temperature Dipole Response of 120Sn and 208b NUCLEAR STRUCTURE 120Sn, 208Pb; calculated GDR strength, width and centroid as a function of the temperature. Effect of interaction range and collisional couplings discussed. Time-dependent Hartree-Fock calculations.
doi: 10.1016/S0370-2693(00)00926-6
2000YI01 Phys.Lett. 472B, 258 (2000) O.Yilmaz, A.Gokalp, S.Yildirim, S.Ayik On the Collisional Damping of Giant Dipole Resonance NUCLEAR STRUCTURE 120Sn, 208Pb; calculated GDR collisional damping widths vs temperature. Comparisons with data.
doi: 10.1016/S0370-2693(99)01434-3
1999LA15 Nucl.Phys. A651, 369 (1999) On the Simulation of Extended TDHF Theory
doi: 10.1016/S0375-9474(99)00136-0
1998AY01 Phys.Rev. C58, 1594 (1998) S.Ayik, O.Yilmaz, A.Gokalp, P.Schuck Collisional Damping of Nuclear Collective Vibrations in a Non-Markovian Transport Approach NUCLEAR STRUCTURE 120Sn, 208Pb; calculated GDR collisional damping width vs temperature. Effective Skyrme force. Comparison with data.
doi: 10.1103/PhysRevC.58.1594
1998LA23 Phys.Rev. C58, 2154 (1998) Finite Temperature Nuclear Response in the Extended Random Phase Approximation NUCLEAR STRUCTURE 40Ca; calculated isoscalar monopole, isovector dipole, isoscalar quadrupole excitations at finite temperature; deduced collisional damping temperature dependence. Extended random phase approximation.
doi: 10.1103/PhysRevC.58.2154
1998WE09 Nucl.Phys. A637, 15 (1998) W.Wen, P.Chau Huu-Tai, D.Lacroix, Ph.Chomaz, S.Ayik Quantum and Statistical Fluctuations in Dynamical Symmetry Breaking
doi: 10.1016/S0375-9474(98)00225-5
1997JA04 Nucl.Phys. A617, 356 (1997) B.Jacquot, M.Colonna, S.Ayik, Ph.Chomaz RPA Instabilities in Finite Nuclei at Low Density NUCLEAR STRUCTURE A=40; A=140; calculated unstable collective modes growth rates, transition density parametrization in terms of multipole moments. Finite temperature quantal RPA approach.
doi: 10.1016/S0375-9474(97)00049-3
1996AB40 Phys.Rep. 275, 49 (1996) Y.Abe, S.Ayik, P.-G.Reinhard, E.Suraud On Stochastic Approaches of Nuclear Dynamics
doi: 10.1016/0370-1573(96)00003-8
1996AY01 Z.Phys. A355, 407 (1996) S.Ayik, Ph.Chomaz, M.Colonna, J.Randrup Analysis of Boltzmann-Langevin Dynamics in Nuclear Matter
doi: 10.1007/s002180050130
1996IV03 Yad.Fiz. 59, No 11, 1966 (1996); Phys.Atomic Nuclei 59, 1895 (1996) Relationship between the Boltzmann-Langevin and Boltzmann-Uehling-Uhlenbeck Models
1996JA14 Phys.Lett. 383B, 247 (1996) B.Jacquot, S.Ayik, Ph.Chomaz, M.Colonna Fluid Dynamical Approach to Spinodal Instabilities in Finite Nuclear Systems NUCLEAR STRUCTURE A=50; A=200; calculated unstable finite systems dispersion relations.
doi: 10.1016/0370-2693(96)00736-8
1995AY01 Phys.Rev. C51, 611 (1995) S.Ayik, M.Belkacem, A.Bonasera Non-Markovian Approach to the Damping of Giant Monopole Resonances in Nuclei NUCLEAR STRUCTURE A=40-210; calculated giant monopole resonances collisional relaxation rates, widths; deduced contribution to damping widths. Semi-classical transport equation.
doi: 10.1103/PhysRevC.51.611
1995AY02 Phys.Lett. 353B, 417 (1995) Quantal Effects on Growth of Instabilities in Nuclear Matter
doi: 10.1016/0370-2693(95)00596-D
1995BE42 Phys.Rev. C52, 2499 (1995) M.Belkacem, S.Ayik, A.Bonasera Collisional Damping of Giant Resonances in a Non-Markovian Approach NUCLEAR STRUCTURE A ≤ 200; calculated GDR, GQR, giant monopole resonances collisional width vs mass. Non-Markovian approach.
doi: 10.1103/PhysRevC.52.2499
1995IV03 Nucl.Phys. A593, 233 (1995) Medium-Modified Interaction Induced by Fluctuations
doi: 10.1016/0375-9474(95)00343-Y
1994AY01 Nucl.Phys. A578, 640 (1994) S.Ayik, Y.B.Ivanov, V.N.Russkikh, W.Norenberg Stochastic Multi-Fluid Models for Intermediate-Energy Heavy-Ion Collisions
doi: 10.1016/0375-9474(94)90765-X
1994AY02 Phys.Rev. C50, 2947 (1994) Effect of Memory Time on the Agitation of Unstable Modes in Nuclear Matter
doi: 10.1103/PhysRevC.50.2947
1994AY03 Z.Phys. A350, 45 (1994) Long-Range Correlations in Boltzmann-Langevin Model
doi: 10.1007/BF01285050
1994BO37 Z.Phys. A349, 119 (1994) D.Boilley, Y.Abe, S.Ayik, E.Suraud A Bohr-Mottelson Model of Nuclei at Finite Temperature
doi: 10.1007/BF01291169
1994RA09 Nucl.Phys. A572, 489 (1994) Simplified Nuclear Boltzmann-Langevin Simulation
doi: 10.1016/0375-9474(94)90186-4
1994SU26 Nucl.Phys. A580, 323 (1994) E.Suraud, S.Ayik, M.Belkacem, F.-S.Zhang On Transient Effects in Violent Nuclear Collisions NUCLEAR REACTIONS 12C(12C, X), E=60 MeV/nucleon; calculated ensemble averaged quadrupole moment time evolution, other properties; deduced transient behavior role in particle production σ below threshold. Boltzmann-Langevin model.
doi: 10.1016/0375-9474(94)90777-3
1993BE01 Phys.Rev. C47, R16 (1993) K+ Production Far Below the Free Nucleon-Nucleon Threshold in Heavy-Ion Collisions NUCLEAR REACTIONS 12C(12C, K+X), E > 200 MeV/nucleon; 42Ca(42Ca, K+X), E=90 MeV/nucleon; calculated inclusive K+ production σ. Boltzmann and Boltzmann-Langevin equations simulations.
doi: 10.1103/PhysRevC.47.R16
1993BO19 Nucl.Phys. A556, 67 (1993) D.Boilley, E.Suraud, Y.Abe, S.Ayik Nuclear Fission with a Langevin Equation NUCLEAR REACTIONS 205At, 248Cf(n, F), E=thermal; calculated fission rate vs temperature, time. Langevin equation.
doi: 10.1016/0375-9474(93)90238-S
1992AY01 Phys.Lett. 276B, 263 (1992) Damping of Collective Vibrations in a Memory-Dependent Transport Model NUCLEAR STRUCTURE A ≤ 200; calculated GDR, GQR damping width. 108Sn; calculated giant dipole resonance damping width vs excitations. Memory dependent transport model.
doi: 10.1016/0370-2693(92)90315-U
1992AY03 Nucl.Phys. A545, 35c (1992) S.Ayik, E.Suraud, M.Belkacem, D.Boilley The Boltzmann-Langevin Model for Nuclear Collisions NUCLEAR REACTIONS 12C(12C, 12C), E=40-100 MeV/nucleon; calculated total quadrupole momentum distribution associated collision rate, diffusion coeffient, mean value, variance time evolutions. 12C(12C, K+X), E ≈ 400-1400 MeV/nucleon; calculated K+ production σ(E). Boltzmann-Langevin model.
doi: 10.1016/0375-9474(92)90444-O
1992SU10 Nucl.Phys. A542, 141 (1992) E.Suraud, S.Ayik, M.Belkacem, J.Stryjewski Applications of Boltzmann-Langevin Equation to Nuclear Collisions NUCLEAR REACTIONS 12C(12C, X), E=40 MeV/nucleon; calculated quadrupole, octupole moments, momentum distribution mean value time evolution, dispersion. Approximate numerical solutions to Boltzmann-Langevin equations.
doi: 10.1016/0375-9474(92)90403-7
1988AY03 Phys.Rev. C38, 2610 (1988) S.Ayik, D.Shapira, B.Shivakumar Transport Description for Capture Processes in Nuclear Collisions NUCLEAR REACTIONS 24Mg, 28Si(12C, X), E(cm) ≈ 12-50 MeV; 28Si(14N, X), E(cm) ≈ 12-100 MeV; calculated fusion σ(E). Transport theory.
doi: 10.1103/PhysRevC.38.2610
1988SH03 Phys.Rev. C37, 652 (1988) B.Shivakumar, D.Shapira, P.H.Stelson, S.Ayik, B.A.Harmon, K.Teh, D.A.Bromley 28Si + 14N Orbiting Interaction NUCLEAR REACTIONS 14N(28Si, 14N), E=100 MeV; 14N(28Si, 16O), E=140 MeV; 14N(28Si, 12C), E=100-170 MeV; measured ejectile yields. 28Si(14N, X), E=100-170 MeV; measured orbiting σ(E) for X=10,11B, 11,12,13C, 13,14,15N, 15,16,17O, 17,18,19F, 19,20,21Ne; deduced critical angular momentum.
doi: 10.1103/PhysRevC.37.652
1987AY01 Phys.Rev. C35, 2086 (1987) Nucleon Transport Induced by Two-Body Collisions NUCLEAR REACTIONS 92Mo(92Mo, X), E=22 MeV/nucleon; calculated two-body transport coefficients. Fermi gas model.
doi: 10.1103/PhysRevC.35.2086
1987SH06 Phys.Rev. C35, 1730 (1987) B.Shivakumar, S.Ayik, B.A.Harmon, D.Shapira Equilibrium Model for Fusion and Orbiting NUCLEAR REACTIONS, ICPND 28Si(12C, X), E(cm)=25-60 MeV; calculated fusion, orbiting σ(E), fragment kinetic energies. Equilibrium model.
doi: 10.1103/PhysRevC.35.1730
1976AY01 Z.Phys. A279, 145 (1976) S.Ayik, B.Schurmann, W.Norenberg Microscopic Transport Theory of Heavy-Ion Collisions. II. Transport Coefficients for Asymmetric Fragmentation and Generalized Einstein Relations NUCLEAR REACTIONS 58Ni(16O, X), E=92 MeV; 50Ti(32S, X), E=131, 161 MeV; 197Au(40Ar, X), E=288, 340 MeV; 165Ho(84Kr, X), E=714 MeV; 197Au(63Cu, X), E=365, 443 MeV; 232Th(40Ar, X), E=279, 388 MeV; calculated transport coefficients.
doi: 10.1007/BF01437870
1974AY02 Nucl.Phys. A234, 13 (1974) Shell Model Level Densities for Light Nuclei NUCLEAR STRUCTURE 23Na, 23Mg, 26Al, 28Si; calculated yrast lines. 23Na, 23Mg, 27Al, 27,29Si, 29P; calculated levels.
doi: 10.1016/0375-9474(74)90376-5
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