NSR Query Results
Output year order : Descending NSR database version of May 3, 2024. Search: Author = S.Gautam Found 29 matches. 2024GA05 Nucl.Phys. A1043, 122832 (2024) S.Gautam, A.Venneti, S.Banik, B.K.Agrawal Estimation of the slope of nuclear symmetry energy via charge radii of mirror nuclei NUCLEAR STRUCTURE 14C, 14O, 18O, 18Ne, 44Ca, 44Cr, 58Ni, 58Zn, 60Ni, 60Ge; calculated charge radii of mirror nuclei by implementing pairing effects with the Hartree-Fock Bogoliubov approximation.
doi: 10.1016/j.nuclphysa.2024.122832
2023DH01 J.Phys.(London) G50, 065103 (2023) N.K.Dhillon, R.Rana, Sucheta, S.Gautam, R.K.Puri Probing onset of nuclear vaporisation in heavy-ion collisions NUCLEAR REACTIONS 80Br, 107Ag(16O, X), E<200 MeV/nucleon; 40Ca(40Ca, X), 84Kr(84Kr, X), 132Xe(132Xe, X), 197Au(197Au, X), E<600 MeV/nucleon; analyzed available data; calculated average charge of fragments, yield of free nucleons, energy dependence of the normalised yield of the gas and liquid content, probability of vaporisation, derivative of the probability of vaporisation, energy of onset of vaporisation (critical energy), energy dependence of the normalised yield of the gas and liquid content, energy dependence of the normalised yield of the redefined gas and liquid content using quantum molecular dynamics (QMD) model.
doi: 10.1088/1361-6471/acc7bc
2023DH03 Int.J.Mod.Phys. E32, 2350053 (2023) N.K.Dhillon, S.Ahuja, R.Rana, S.Gautam Role of equation of state and clusterization algorithms on nuclear vaporization NUCLEAR REACTIONS 40Ca(40Ca, X), E<400 MeV/nucleon; calculated yields, probability of vaporization for different clusterization algorithms. Comparison with available data.
doi: 10.1142/S0218301323500532
2023RA10 Eur.Phys.J. A 59, 137 (2023) R.Rana, N.K.Dhillon, S.Gautam, R.K.Puri Transport model calculations of nuclear stopping from Fermi energy to GeVs/nucleon
doi: 10.1140/epja/s10050-023-01048-x
2022DH01 Eur.Phys.J. A 58, 7 (2022) N.K.Dhillon, S.Gautam, R.K.Puri Exploring isospin effects in nuclear fragmentation at 600 MeV/nucleon NUCLEAR REACTIONS Sn(107Sn, X), (124Sn, X), (124La, X), E=600 MeV/nucleon; analyzed available data; calculated mean maximum charge, multiplicity of IMFs, transverse and elliptic flows. Isospin-dependent Quantum Molecular Dynamics (IQMD) model.
doi: 10.1140/epja/s10050-022-00662-5
2022SH16 Nucl.Phys. A1022, 122430 (2022) Further insights of free and bound particles in the fragmentation of symmetric and asymmetric collisions NUCLEAR REACTIONS 81Se(81Se, X), 112Pd(50Ti, X), 112Cd(42Ca, X), 136Ba(26Mg, X), E not given; analyzed available data; calculated anisotropy ratios, fragment multiplicities, rapidity distribution of free nucleons, yields of free protons and neutrons.
doi: 10.1016/j.nuclphysa.2022.122430
2021RA29 Nucl.Phys. A1016, 122324 (2021) Comparative analysis of nucleonic flows for isospin degree of freedom
doi: 10.1016/j.nuclphysa.2021.122324
2021SH21 Int.J.Mod.Phys. E30, 2150022 (2021) S.Sharma, R.Kumar, S.Gautam, R.K.Puri Interplay of Coulomb and symmetry potential in peak fragment production in asymmetric collisions NUCLEAR REACTIONS 80Se(80Se, X), 62Ni(100Zr, X), 50Ti(112Pd, X), 42Ca(120Cd, X), 138Ba(27Mg, X), E(cm)<40 MeV; calculated multiplicity of intermediate mass fragments, compression energy per nucleon using Isospin-dependent Quantum Molecular Dynamics (IQMD) model.
doi: 10.1142/S0218301321500221
2021SO10 Chin.Phys.C 45, 014101 (2021) S.Sood, R.Kumar, A.Sharma, S.Gautam, R.K.Puri Fragment emission and critical behavior in light and heavy charged systems NUCLEAR REACTIONS 45Sc(40Ar, X), 197Au(84Kr, X), E=15-400 MeV/nucleon; analyzed available data; deduced charge distributions, power law and other parameters. QMD+SACA calculations.
doi: 10.1088/1674-1137/abc069
2018BA29 Phys.Rev. C 98, 024604 (2018) Isospin effects in nuclear fragmentation of isotopic, isobaric, and isotonic reactions NUCLEAR REACTIONS 40Ca(40Ca, X), 48Ca(48Ca, X), 40Ar(40Ar, X), 36S(36S, X), E=100-230 MeV; 112Sn(112Sn, X), 126Sn(126Sn, X), E=20-200 MeV/nucleon; calculated energy dependence of liquid and gas content of reaction products for isotopic, isobaric, and isotonic reactions; deduced cross-over energy as a sensitive probe to study density dependence of nuclear symmetry energy. Isospin-dependent quantum molecular dynamics (IQMD) model.
doi: 10.1103/PhysRevC.98.024604
2016KA07 J.Phys.(London) G43, 025103 (2016) Influence of the constant and density-dependent scaling of the scattering cross-section on reaction dynamics NUCLEAR REACTIONS 40Ca(40Ca, X), 58Ni(58Ni, X), 93Nb(93Nb, X), 124Sn(124Sn, X), 119Sn(129Xe, X), 139La(139La, X), 197Au(197Au, X), E=1500 MeV/nucleon; calculated σ as a function of density, time evolution of the collision rate, participant matter, directed transverse flow. The energy of vanishing flow (EVF) as a function of system mass (A) for soft and SMD Equation of State with CS and DDS cross-sections. Comparison with available data.
doi: 10.1088/0954-3899/43/2/025103
2016KA34 Nucl.Phys. A955, 133 (2016) Fragmentation in isotopic and isobaric systems as probe of density dependence of nuclear symmetry energy NUCLEAR REACTIONS 64Ni(64Ni, x), 64Zn(64Zn, x), 70Zn(70Zn, x), E=30-400 MeV/nucleon; calculated free neutrons, light charged particle, intermediate fragment yields vs (N/Z), yields time dependence vs incident energy, rapidity distribution using soft and stiff symmetry energy.
doi: 10.1016/j.nuclphysa.2016.06.008
2016KU01 J.Phys.(London) G43, 025104 (2016) Influence of different binding energies in clusterization approach: fragmentation as an example NUCLEAR REACTIONS 27Al(20Ne, X), 40Ca(40Ca, X), 45Sc(40Ar, X), 93Nb(84Kr, X), 139La(129Xe, X), 197Au(197Au, X), E=15-200 MeV/nucleon; calculated time evolution and size of the size of heaviest fragment, binding energies of various fragments, mean multiplicity, charge distribution. Comparison with available data.
doi: 10.1088/0954-3899/43/2/025104
2016KU06 Eur.Phys.J. A 52, 112 (2016) Influence of different liquid-drop-based bindings on lighter mass fragments and entropy production NUCLEAR REACTIONS 197Au(197Au, x), E=25, 400, 600 MeV/nucleon; calculated fragment yields, largest fragment mean charge vs impact parameter. 40Ca(40Ca, x), E=400-1050 MeV/nucleon;64Cu(40Ar, x), E=400-1050 MeV/nucleon;93Nb(93Nb, x), E=400=1050 MeV/nucleon; calculated light charged particle multiplicity, rapidity distribution, transverse momentum distribution, light particle yields, entropy. QMD (Quantum Molecular Dynamics)A model with MST (Minimum Spanning Tree) method to identify pre-clusters and various liquid-drop-based binding energy formulas. Compared to data.
doi: 10.1140/epja/i2016-16112-4
2016SH02 Nucl.Phys. A945, 95 (2016) A.Sharma, A.Bharti, S.Gautam, R.K.Puri Multifragmentation of nearly symmetric and asymmetric reactions within a dynamical model NUCLEAR REACTIONS 45Sc(40Ar, x), E=15-115 MeV/nucleon;80Br, 108Ag(16O, x), E=25-200 MeV/nucleon;120Sn(129Xe, x), E=32, 39, 45, 50 MeV/nucleon;197Au(12C, x), E=35 MeV/nucleon;197Au(64Cu, x), E=35 MeV/nucleon;197Au(84Kr, x), E=35-400 MeV/nucleon; calculated charge yields using isospin-dependent QMD (in some cases central collisions only); deduced τ parameter from the fit to data.
doi: 10.1016/j.nuclphysa.2015.10.001
2015BA07 Eur.Phys.J. A 51, 2 (2015) R.Bansal, S.Gautam, R.K.Puri, J.Aichelin On the mass dependence of the energy of vanishing flow for superheavy mass region
doi: 10.1140/epja/i2015-15002-7
2015BA09 Phys.Rev. C 91, 024615 (2015) Systematic study of the transverse flow and its disappearance: Role of nuclear compressibility and momentum-dependent interactions
doi: 10.1103/PhysRevC.91.024615
2015BA53 Eur.Phys.J. A 51, 139 (2015) On the peak mass production of different fragments in intermediate-energy heavy-ion collisions NUCLEAR REACTIONS 40Ca(40Ca, x), 56Ni(56Ni, x), 93Nb(93Nb, x), 167Er(167Er, x), 197Au, (197Au, x), E=60, 100, 150 MeV/nucleon;40Ca(40Ca, x), 56Ni(56Ni, x), 93Nb(93Nb, x), 167Er(167Er, x), 197Au(197Au, x), E(cm)=30-90 MeV/nucleon;40Ca(40Ca, x), 56Ni(56Ni, x), 93Nb(93Nb, x), 167Er(167Er, x), 197Au, (197Au, x), E(cm)=7-23 MeV/nucleon; calculated fragments energy spectra, charge, mass distribution, multiplicity, time development using IQMD (isospin-dependent QMD). Compared with data. 119Sn(129Xe, x), E=20-100 MeV/nucleon; calculated stopping power using IQMD. Compared with data.
doi: 10.1140/epja/i2015-15139-3
2014KU11 Phys.Rev. C 89, 064608 (2014) Multifragmentation within a clusterization algorithm based on thermal binding energies NUCLEAR REACTIONS 40Ca(40Ca, X), E=50, 200 MeV/nucleon; 197Au(197Au, X), E=35, 50, 200 MeV/nucleon; calculated time evolution of different fragments, impact parameter dependence of size of heaviest fragment and the multiplicities of free nucleons, rapidity distributions of free nucleons, binding energies of light-charged particles (LCP), medium mass fragments (MMFs), heavy mass fragments (HMFs), and intermediate mass fragments (IMFs), multiplicity of fragments. Quantum molecular dynamics model with minimum spanning tree (MST) method. Comparison with experimental data. Discussed role of thermal binding energies over cold binding energies.
doi: 10.1103/PhysRevC.89.064608
2013BA32 Phys.Rev. C 87, 061602 (2013) R.Bansal, S.Gautam, R.K.Puri, J.Aichelin Role of structural effects on the collective transverse flow and the energy of vanishing flow in nuclear collisions
doi: 10.1103/PhysRevC.87.061602
2013GA47 Phys.Rev. C 88, 057603 (2013) Effect of isospin dependence of radius on transverse flow and fragmentation in isobaric pairs
doi: 10.1103/PhysRevC.88.057603
2012GA04 Eur.Phys.J. A 48, 3 (2012) Study of participant-spectator matter, thermalization and other related phenomena for neutron-rich colliding pair NUCLEAR REACTIONS Ca(Ca, X), Xe(Xe, X), E=50-250 MeV/nucleon; calculated participant, spectator size, nuclear matter density, temperature vs N/Zb from 1.0 to 2.0 and their time development using IQMD.
doi: 10.1140/epja/i2012-12003-0
2012GA26 Phys.Rev. C 85, 067601 (2012) Participant-spectator matter and thermalization of neutron-rich systems at the energy of vanishing flow NUCLEAR REACTIONS 40Ca(40Ca, X), 52Ca(52Ca, X), 60Ca(60Ca, X), 56Ni(56Ni, X), 72Ni(72Ni, X), 84Ni(84Ni, X), 81Zr(81Zr, X), 104Zr(104Zr, X), 120Zr(120Zr, X), 100Sn(100Sn, X), 129Sn(129Sn, X), 150Sn(150Sn, X), 110Xe(110Xe, X), 140Xe(140Xe, X), 162Xe(162Xe, X), E=60-105 MeV/nucleon; calculated time evolutions of spectator and participant matter, anisotropy ratio and relative momentum at the energy of vanishing flow for neutron-rich systems. Isospin dependent quantum molecular dynamics (IQMD) model.
doi: 10.1103/PhysRevC.85.067601
2012GA27 Ukr.J.Phys. 57, 599 (2012) Effect of Momentum Correlations on the Properties of Fragments Produced in Heavy-Ion Collisions NUCLEAR REACTIONS 12C(12C, X), 40Ca(40Ca, X), E=100 MeV/nucleon; calculated rapidity distributions, ratio of transverse to longitudinal energy. Comparison with available data.
2012GA36 Phys.Rev. C 86, 034607 (2012) Sensitivity of transverse flow toward isospin-dependent cross sections and symmetry energy NUCLEAR REACTIONS 40Ca(40Ca, X), 52Ca(52Ca, X), 60Ca(60Ca, X), 110Xe(110Xe, X), 140Xe(140Xe, X), 162Xe(162Xe, X)E=100 MeV/nucleon; calculated transverse flow for the systems with N/Z=1.0, 1.6, 2.0, time evolution of symmetry energy using isospin-dependent and isospin-independent nn cross sections. Soft equation of state (SMD) with and without momentum-dependent interactions (MDIs), and soft equations of state.
doi: 10.1103/PhysRevC.86.034607
2011GA03 Phys.Rev. C 83, 014603 (2011) S.Gautam, A.D.Sood, R.K.Puri, J.Aichelin Isospin effects in the disappearance of flow as a function of colliding geometry NUCLEAR REACTIONS 24Mg(24Mg, X), 24Ne(24Ne, X), 58Cu(58Cu, X), 58Cr(58Cr, X), 72Kr(72Kr, X), 72Zn(72Zn, X), 96Cd(96Cd, X), 96Zr(96Zr, X), 120Nd(120Nd, X), 120Sn(120Sn, X), 135Ho(135Ho, X), 135Ba(135Ba, X), E=40-340 MeV/nucleon; calculated energy of vanishing flow, impact parameter dependence for isobaric pairs in A=48-270 region and N/Z=1.0 and 1.4; deduced dominance of Coulomb potential over symmetry energy. Isospin-dependent quantum molecular dynamics (IQMD) model.
doi: 10.1103/PhysRevC.83.014603
2011GA13 Phys.Rev. C 83, 034606 (2011) S.Gautam, A.D.Sood, R.K.Puri, J.Aichelin Sensitivity of the transverse flow to the symmetry energy NUCLEAR REACTIONS 40Ca(40Ca, X), 48Ca(48Ca, X), 60Ca(60Ca, X), E=100, 400, 800 MeV/nucleon; calculated time evolution of rms radius and rapidity distributions, transverse flow to symmetry energies using isospin-dependent quantum molecular dynamics model (IQMD).
doi: 10.1103/PhysRevC.83.034606
2011GA29 Phys.Rev. C 83, 064604 (2011) Density and temperature of neutron-rich systems at the energy of vanishing flow in heavy-ion collisions NUCLEAR REACTIONS 40Ca(40Ca, X), 52Ca(52Ca, X), 60Ca(60Ca, X), 58Ni(58Ni, X), 72Ni(72Ni, X), 84Ni(84Ni, X), 81Zr(81Zr, X), 104Zr(104Zr, X), 120Zr(120Zr, X), 100Sn(100Sn, X), 129Sn(129Sn, X), 150Sn(150Sn, X), 110Xe(110Xe, X), 140Xe(140Xe, X), 162Xe(162Xe, X), E not given; calculated collision rate, density, and temperature, mass dependence in heavy-ion reactions with neutron-rich systems. Isospin-dependent quantum molecular dynamics (IQMD) model.
doi: 10.1103/PhysRevC.83.064604
2010GA17 Phys.Rev. C 82, 014604 (2010) Isospin effects on the mass dependence of the balance energy NUCLEAR REACTIONS 24Ne(24Ne, X), 24Mg(24Mg, X), 26Mg(26Mg, X), 28Mg(28Mg, X), 58Cr(58Cr, X), 58Fe(58Fe, X), 58Ni(58Ni, X), 58Cu(58Cu, X), 65Zn(65Zn, X), 70Zn(70Zn, X), 72Zn(72Zn, X), 72Kr(72Kr, X), 96Zr(96Zr, X), 91Mo(91Mo, X), 98Mo(98Mo, X), 96Cd(96Cd, X), 120Sn(120Sn, X), 117Xe(117Xe, X), 126Xe(126Xe, X), 135Ba(135Ba, X), 120Nd(120Nd, X), 135Ho(135Ho, X), 164Os(164Os, X), 177Os(177Os, X), E=40-150 MeV/nucleon; calculated (Ebal) or energy of vanishing flow (EVF) as a function of combined mass of pairs of isotopic and isobaric systems using isospin-dependent quantum molecular dynamics (IQMD) model. Dominance of Coulomb repulsion over the symmetry energy.
doi: 10.1103/PhysRevC.82.014604
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