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NSR database version of May 10, 2024.

Search: Author = R.K.Puri

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2024MA12      Pramana 98, 10 (2024)

Sh.S.Malik, R.K.Puri

Impact of nuclear structure of correlated pairs of fission fragments in mass distribution spectra of heavy-ion fusion–fission reactions

NUCLEAR REACTIONS 208Pb(18O, F)212Th/214Th/216Th/218Th/220Th/222Th/224Th/226Th, 238U(18O, F)242Fm/244Fm/246Fm/248Fm/250Fm/252Fm/254Fm/256Fm, E not given; analyzed available data; deduced nuclear structure effects of correlated pairs of fission fragments in the mass distribution spectrum of the fissioning nucleus using the fragmentation theory based on the asymmetric two-centre shell model, the most probable decay channel consisting of correlated pair of magic and deformed shell fission fragments always has a larger mass distribution yield than that containing both magic shell structure fission fragments.

doi: 10.1007/s12043-023-02686-y
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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
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2023MA35      Int.J.Mod.Phys. E32, 2350021 (2023)

S.S.Malik, R.K.Puri

Analysis of super-deformed bands in A ∼ 150 mass region: The principal-axis cranking versus the variable moment of inertia

NUCLEAR STRUCTURE 151,152,153Dy; analyzed available data; deduced kinematic moments of inertia, systematics of the super-deformed (SD) bands using two different approaches, namely, the Principal-axis Cranking (PAC) and the VariableMoment of Inertia (VMI).

doi: 10.1142/S0218301323500210
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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
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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
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2021RA29      Nucl.Phys. A1016, 122324 (2021)

R.Rana, S.Gautam, R.K.Puri

Comparative analysis of nucleonic flows for isospin degree of freedom

doi: 10.1016/j.nuclphysa.2021.122324
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2021SH07      Nucl.Phys. A1008, 122144 (2021)

S.Sharma, R.Kumar, R.K.Puri

Role of mass asymmetry on the peak energy of intermediate mass fragments production and its influence towards isospin effects

NUCLEAR STRUCTURE A=92, 162, 240; analyzed available data; calculated the peak intermediate mass fragments production and corresponding center-of-mass energy in various mass asymmetric reactions using the isospin-dependent quantum molecular dynamics model.

doi: 10.1016/j.nuclphysa.2021.122144
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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
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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
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2019SO06      Phys.Rev. C 99, 054612 (2019)

S.Sood, R.Kumar, A.Sharma, R.K.Puri

Cluster formation and phase transition in nuclear disassembly using a variety of clusterization algorithms

NUCLEAR REACTIONS 45Sc(40Ar, X), E=15, 20, 25, 35, 45, 55, 65, 75, 85, 95, 105, 115 MeV/nucleon; calculated charge yield of intermediate mass fragments, moments of the charge distributions of intermediate mass fragments using quantum molecular dynamics (QMD) model, with three methods: minimum spanning tree (MST), Minimum spanning tree with momentum cut (MSTP), and minimum spanning tree with thermal binding energy cut (MSTBT).

doi: 10.1103/PhysRevC.99.054612
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2018BA29      Phys.Rev. C 98, 024604 (2018)

P.Bansal, S.Gautam, R.K.Puri

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
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2018KU03      Phys.Rev. C 97, 034624 (2018)

R.Kumar, R.K.Puri

Using experimental data to test an n-body dynamical model coupled with an energy-based clusterization algorithm at low incident energies

NUCLEAR REACTIONS 40Ca(40Ca, X), 197Au(197Au, X), E=35 MeV/nucleon; 129Xe(119Sn, X), E=32 MeV/nucleon; 155Gd(238U, X), E=36 MeV/nucleon; analyzed experimental data for normalized charge distribution and event-by-event correlations among fragments, probability distribution of the first few largest charges emitted, probability distribution of multiplicities of intermediate mass fragments (IMFs) using energy-based clusterization algorithm (SACA) in the quantum molecular dynamics (QMD) approach for nucleus-nucleus collisions. Comparison with previous calculations based on statistical and one-body models.

doi: 10.1103/PhysRevC.97.034624
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2018KU10      Acta Phys.Pol. B49, 301 (2018)

R.Kumar, S.Sood, A.Sharma, R.K.Puri

On the Multifragmentation and Phase Transition in the Perspectives of Different n-body Dynamical Models

NUCLEAR REACTIONS 45Sc(40Ar, x), E=15-115 MeV/nucleon; calculated fragment charge distribution, yield using Quantum Molecular Dynamics (QMD) and Isospin-dependent QMD (IQMD); deduced critical parameter τ from the powerlaw fit of intermediate mass fragments.

doi: 10.5506/aphyspolb.49.301
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2016KA34      Nucl.Phys. A955, 133 (2016)

M.Kaur, S.Gautam, R.K.Puri

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
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2016KU01      J.Phys.(London) G43, 025104 (2016)

R.Kumar, S.Gautam, R.K.Puri

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
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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
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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
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2015BA53      Eur.Phys.J. A 51, 139 (2015)

P.Bansal, S.Gautam, R.K.Puri

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
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2015KU02      Nucl.Phys. A933, 135 (2015)

R.Kumari, R.K.Puri

Parametrization of fusion barriers based on empirical data

doi: 10.1016/j.nuclphysa.2014.10.049
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2014KA24      Phys.Rev. C 89, 057603 (2014)

S.Kaur, R.K.Puri

Systematic study of isospin effects in the dlike/Plike ratio and entropy production

doi: 10.1103/PhysRevC.89.057603
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2014KA43      Phys.Rev. C 90, 037602 (2014)

S.Kaur, R.K.Puri

Role of model ingredients in the production of light particles and entropy

doi: 10.1103/PhysRevC.90.037602
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2014KU11      Phys.Rev. C 89, 064608 (2014)

R.Kumar, S.Gautam, R.K.Puri

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
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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
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2013KA05      Phys.Rev. C 87, 014620 (2013)

S.Kaur, R.K.Puri

Isospin effects on the energy of peak mass production

NUCLEAR REACTIONS Ne(Ne, X), Ca(Ca, X), 34Al(34Al, X), 34Cl(34Cl, X), Ni(Ni, X), 60Mn(60Mn, X), 60Zn(60Zn, X), Zr(Zr, X), Sn(Sn, X), Xe(Xe, X), 120Pd(120Pd, X), E=8-40 MeV/nucleon; calculated peak center-of-mass energy and average multiplicity of intermediate mass fragments (IMFs). A=24-34 for Ne+Ne, A=40-60 for Ca+Ca, A=56-84 for Ni+Ni, A=80-120 for Zr+Zr, A=100-150 for Sn+Sn, and A=110-162 for Xe+Xe systems. Isospin-dependent quantum molecular dynamics (IQMD) model. Comparison with experimental data.

doi: 10.1103/PhysRevC.87.014620
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2012GA26      Phys.Rev. C 85, 067601 (2012)

S.Gautam, R.K.Puri

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
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2012GA36      Phys.Rev. C 86, 034607 (2012)

S.Gautam, R.Kumari, R.K.Puri

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
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2012JA10      Phys.Rev. C 85, 064608 (2012)

A.Jain, S.Kumar, R.K.Puri

Influence of charge asymmetry and isospin-dependent cross section on elliptical flow

NUCLEAR REACTIONS 40Si(40Si, X), 40Ca(40Ca, X), 124Ag(124Ag, X), 124Pr(124Pr, X), E=50, 100 MeV/nucleon; calculated transverse momentum dependence of elliptical flow. 40Si(40Si, X), 40S(40S, X), 40Ar(40Ar, X)40Ca(40Ca, X), 40Sc(40Sc, X), 112Sn(112Sn, X), 124Ag(124Ag, X), 124Sn(124Sn, X), 124I(124I, X), 124La(124La, X)124Pr(124Pr, X), E=50-350 MeV/nucleon; calculated elliptical flow as function of incident energy. Isospin-dependent quantum molecular dynamics model. Comparison with experimental data.

doi: 10.1103/PhysRevC.85.064608
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2012RA02      Nucl.Phys. A875, 173 (2012)

Rajni, S.Kumar, R.K.Puri

On the multifragmentation around the energy of vanishing flow using isospin-dependent model

NUCLEAR REACTIONS 45Sc(40Ar, X), E=80 MeV/nucleon;58Ni(64Zn, X), E=64 MeV/nucleon;93Nb(86Kr, X), E=56 MeV/nucleon;93Nb(93Nb, X), E=62 MeV;139La(139La, X), E=58 MeV;197Au(197Au, X), E=48 MeV/nucleon; calculated proton, neutron multiplicity, fragments time evolution. 45Sc(40Ar, X), 58Ni(64Zn, X), 93Nb(86Kr, X), (93Nb, X), 139La(139La, X), 197Au(197Au, X), E=40, 100 MeV/nucleon; calculated proton, neutron multiplicity, mass distribution, fragments time evolution.

doi: 10.1016/j.nuclphysa.2011.11.009
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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
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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
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2011GO03      Nucl.Phys. A853, 164 (2011)

S.Goyal, R.K.Puri

On the sensitivity of the energy of vanishing flow towards mass asymmetry of colliding nuclei

doi: 10.1016/j.nuclphysa.2011.01.022
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2011GO10      Phys.Rev. C 83, 047601 (2011)

S.Goyal, R.K.Puri

Formation of fragments in heavy-ion collisions using a modified clusterization method

doi: 10.1103/PhysRevC.83.047601
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2011JA12      Phys.Rev. C 84, 057602 (2011)

A.Jain, S.Kumar, R.K.Puri

Influence of charge asymmetry and isospin-dependent cross section on nuclear stopping

NUCLEAR REACTIONS 40V(40V, X), 40Sc(40Sc, X), 40Ca(40Ca, X), 40Ar(40Ar, X), 40Cl(40Cl, X), 40S(40S, X), 40P(40P, X), 40Si(40Si, X), 124Ag(124Ag, X), 124Cd(124Cd, X), 124In(124In, X), 124Sn(124Sn, X), 124I(124I, X), 124Cs(124Cs, X), 124Ba(124Ba, X), 124Pr(124Pr, X), E=100 MeV/nucleon; analyzed effect of charge asymmetry and isospin-dependent cross section on nuclear stopping and multiplicity of free nucleons and LMFs, anisotropy ratio, nuclear stopping parameter. Isospin-dependent quantum molecular dynamics model.

doi: 10.1103/PhysRevC.84.057602
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2011KA20      Nucl.Phys. A861, 37 (2011)

V.Kaur, S.Kumar, R.K.Puri

On nuclear stopping in asymmetric colliding nuclei

NUCLEAR REACTIONS 118Sn(129Xe, X), 120Sn(32S, X), Sn(Xe, X), K(Ar, X), Cl(Ar, X)E≈30-70 MeV/nucleon; calculated anisotropy ratio, quadrupole moment of the fragments using IQMD (isospin-dependent quantum molecular dynamics). Comparison with data.

doi: 10.1016/j.nuclphysa.2011.05.093
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2011KA47      J.Phys.:Conf.Ser. 312, 082028 (2011)

V.Kaur, S.Kumar, R.K.Puri

Mass independence and asymmetry of the reaction: Multi-fragmentation as an example

NUCLEAR REACTIONS 96Ru(56Fe, X), E(cm)=250 MeV/nucleon;102Ru(50Cr, X), E(cm)=250 MeV/nucleon;112Sn(40Ca, X), E(cm)=250 MeV/nucleon;120Sn(32S, X), E(cm)=250 MeV/nucleon;124Xe(28Si, X), E(cm)=250 MeV/nucleon;136Xe(16O, X), E(cm)=250 MeV/nucleon; calculated intermediate-mass fragment mean multiplicity.

doi: 10.1088/1742-6596/312/4/082028
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2011RA31      Phys.Rev. C 84, 037606 (2011)

Rajni, S.Kumar, R.K.Puri

Correlation between balance energy and transition energy for symmetric colliding nuclei

NUCLEAR REACTIONS 40Ar(45Sc, X), 93Nb(93Nb, X), 139La(139La, X), 197Au(197Au, X), E=40-1200 MeV/nucleon; calculated transverse momentum dependence, difference of transition energy and balance energy. Isospin-dependent quantum molecular dynamics model. Comparison with experimental data.

doi: 10.1103/PhysRevC.84.037606
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2010CH25      Phys.Rev. C 82, 014603 (2010)

R.Chugh, R.K.Puri

Importance of momentum dependent interactions at the energy of vanishing flow

NUCLEAR REACTIONS 20Ne(20Ne, X), 40Ca(40Ca, X), 58Ni(58Ni, X), 131Xe(131Xe, X), 197Au(197Au, X), E not given; calculated balance energy (Ebal) or energy of vanishing flow (EVF) as a function of combined mass of the different colliding systems. Power law behavior. Quantum molecular dynamics (QMD) model.

doi: 10.1103/PhysRevC.82.014603
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2010DU02      Phys.Rev. C 81, 044615 (2010)

I.Dutt, R.K.Puri

Systematic study of the fusion barriers using different proximity-type potentials for N=Z colliding nuclei: New extensions

NUCLEAR REACTIONS 16O(16O, X), E not given; 40Ca(40Ca, X), E(cm)=50-90 MeV; 24Mg(28Si, X), E(cm)=20-40 MeV; calculated interaction potential, fusion barriers, fusion σ using sixteen different versions of proximity potential. Comparison with experimental data.

doi: 10.1103/PhysRevC.81.044615
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2010DU03      Phys.Rev. C 81, 047601 (2010)

I.Dutt, R.K.Puri

Role of surface energy coefficients and nuclear surface diffuseness in the fusion of heavy-ions

NUCLEAR REACTIONS 12C(12C, X), 238U(6He, X), E not given; calculated nuclear potential as function of internuclear distance. 28Si(28Si, X), E(cm)=20-40 MeV; 30Si(26Mg, X), E(cm)=30-70 MeV; 46Ti(16O, X), E(cm)=20-50 MeV; 92Zr(12C, X), E(cm)=25-70 MeV; 58Ni(40Ca, X), E(cm)=65-110 MeV; 144Sm(16O, X), E(cm)=55-100 MeV; calculated fusion σ using energy density formalism. Calculated fusion barrier heights and positions as a function of product of charges of beam and target nuclei (Z1*Z2=20-4000) for 390 reactions. Comparison with experimental data.

doi: 10.1103/PhysRevC.81.047601
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2010DU09      Phys.Rev. C 81, 064608 (2010)

I.Dutt, R.K.Puri

Analytical parametrization of fusion barriers using proximity potentials

NUCLEAR REACTIONS 9Be(6Li, X), 12C(10B, X), 16O(16O, X), 20Ne(20Ne, X), 26Mg(24Mg, X), 34S(24Mg, X), 48Ca(48Ca, X), 58Ni(32S, X), 60Ni(40Ar, X), 64Ni(16O, X), (30Si, X), (64Ni, X), 90Zr(36S, X), (90Zr, X), 92Zr(35Cl, X), 96Zr(64Ni, X), 100Mo(86Kr, X), (96Mo, X), 110Pd(16O, X), (32S, X), (40Ar, X), 124Sn(12C, X), (64Ni, X), (96Zr, X), 130Te(40Ar, X), 138Ba(32S, X), 154Sm(48Ca, X), 166Er(16O, X), 168Er(34S, X), 176Yb(70Zn, X), 178Hf(29Si, X), 180Hf(40Ar, X), 181Ta(38S, X).186W(16O, X), 196Os(54Cr, X), 197Au(63Cu, X), 206Pb(40Ar, X), 208Pb(24Mg, X), (38S, X), (51V, X), (55Mn, X), (58Fe, X), (59Co, X), (64Ni, X), (70Zn, X), (86Kr, X), 209Bi(54Cr, X), (59Co, X), 238U(6Li, X), (40Ar, X), E not given; calculated fusion barrier heights and positions using six different proximity potentials.

doi: 10.1103/PhysRevC.81.064608
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2010DU10      Phys.Rev. C 81, 064609 (2010)

I.Dutt, R.K.Puri

Comparison of different proximity potentials for asymmetric colliding nuclei

NUCLEAR REACTIONS 50Ti(16O, X), 92Zr(12C, X), (28Si, X), 96Zr(48Ca, X), 112Sn, 116Sn, 120Sn(16O, X), 208Pb(16O, X), E(cm)=20-125 MeV; calculated fusion σ as a function of incident energy using several different potentials. Comparison with experimental data.

NUCLEAR REACTIONS 17O(12O, X), 27Al(7Li, X), (11B, X), 30Si(26Mg, X), 35Cl(24Mg, X), 59Co(6Li, X), (14N, X), 46Ti(46Ti, X), 48Ca(36S, X), (48Ca, X), 48Ti(40Ca, X), 54Fe(35Cl, X), 58Ni(16O, X), (40Ar, X), (48Ti, X), 60Ni(58Ni, X), 64Ni(18O, X), (37Cl, X), 70Ge(27Al, X), 72Ge(16O, X), 73Ge(37Cl, X), 89Y(32S, X), 90Zr(36S, X), (40Ca, X), 92Zr(12C, X), (28Si, X), (35Cl, X), 93Nb(19F, X), (50Ti, X), 96Zr(48Ca, X), 106Pd(35Cl, X), 116Sn(16O, X), (32S, X), 120Sn(28Si, X), 124Sn(18O, X), (40Ca, X), 144Sm(6Li, X), (16O, X), (28Si, X), 152Sm(12C, X), 159Tb(7Li, X), 164Dy(α, X), 165Ho(40Ar, X), 186W(16O, X), 192Os(40Ca, X), 197Au(19F, X), 204Pb(12C, X), 208Pb(6Li, X), (16O, X), (28Si, X), (48Ti, X), (56Fe, X), (64Ni, X), (70Zn, X), (86Kr, X), 209Bi(α, X), (10Be, X), 232Th(32S, X), 238U(6He, X), (16O, X), E not given; Calculated fusion barrier heights and positions using 12 different potentials. Comparison with experimental data.

doi: 10.1103/PhysRevC.81.064609
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2010KU04      Phys.Rev. C 81, 014601 (2010)

S.Kumar, S.Kumar, R.K.Puri

Effect of the symmetry energy on nuclear stopping and its relation to the production of light charged fragments

NUCLEAR REACTIONS 131Xe(131Xe, X), E=50, 400, 600, 1000 MeV/nucleon; calculated rapidity distribution, anisotropy ratio, quadrupole moment, isospin asymmetry, emission of free particles/nucleon and light charged particles/nucleon, and system size dependence with and without symmetry energies using isospin-dependent quantum molecular dynamics (IQMD) model.

doi: 10.1103/PhysRevC.81.014601
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2010KU05      Phys.Rev. C 81, 014611 (2010)

S.Kumar, S.Kumar, R.K.Puri

Elliptical flow and isospin effects in heavy-ion collisions at intermediate energies

doi: 10.1103/PhysRevC.81.014611
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2010VE01      J.Phys.(London) G37, 015105 (2010)

Y.K.Vermani, J.K.Dhawan, S.Goyal, R.K.Puri, J.Aichelin

Study of fragmentation using clusterization algorithm with realistic binding energies

doi: 10.1088/0954-3899/37/1/015105
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2010VE09      Nucl.Phys. A847, 243 (2010)

Y.K.Vermani, R.K.Puri

Entropy and light cluster production in heavy-ion collisions at intermediate energies

doi: 10.1016/j.nuclphysa.2010.07.005
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2009SO11      Phys.Rev. C 79, 064618 (2009)

A.D.Sood, R.K.Puri

Participant-spectator matter at the energy of vanishing flow

doi: 10.1103/PhysRevC.79.064618
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2009VE03      Phys.Rev. C 79, 064613 (2009)

Y.K.Vermani, S.Goyal, R.K.Puri

Momentum dependence of the nuclear mean field and multifragmentation in heavy-ion collisions

NUCLEAR REACTIONS 58Ni(58Ni, X), E=50, 400 MeV/nucleon; 197Au(197Au, X), E=50, 400 MeV/nucleon; calculated rms radii, average nucleonic density, final state multiplicity, time evolution of the heaviest fragment, light charged particles (LCPs), free nucleons, medium and intermediate mass fragments, and rapidity distribution of free nucleons using quantum molecular dynamics approach. Comparison with experimental data.

doi: 10.1103/PhysRevC.79.064613
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2009VE04      J.Phys.(London) G36, 105103 (2009)

Y.K.Vermani, R.K.Puri

Mass dependence of the onset of multifragmentation in low energy heavy-ion collisions

NUCLEAR REACTIONS 20Ne(20Ne, X), 40Ar(45Sc, X), 58Ni(58Ni, X), 86Kr(93Nb, X), 129Xe(124Sn, X), 197Au(197Au, X), E=35-130 MeV/nucleon; calculated the energy and mass dependence of fragment production. Quantum molecular dynamics (QMD).

doi: 10.1088/0954-3899/36/10/105103
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2008KU17      Phys.Rev. C 78, 064602 (2008)

S.Kumar, S.Kumar, R.K.Puri

Medium mass fragment production due to momentum dependent interactions

NUCLEAR REACTIONS 40Ca(40Ca, X), 58Ni(58Ni, X), 93Nb(93Nb, X), 131Xe(131Xe, X), 167Er(167Er, X), 197Au(197Au, X), 238U(238U, X), E=50-1000 MeV/nucleon; calculated average density, final state multiplicity. QMD model.

doi: 10.1103/PhysRevC.78.064602
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2007DH01      Phys.Rev. C 75, 057601 (2007)

J.K.Dhawan, R.K.Puri

Study of fragmentation at low excitation energies within a dynamical microscopic theory

NUCLEAR REACTIONS 27AL(36Ar, X), 27Al(40Ar, X), 45Sc(40Ar, X), 51V(40Ar, X), 48Ti(64Zn, X), 58Ni(58Ni, X), 58Ni(64Zn, X), 93Nb(86Kr, X), 93Nb(93Nb, X), 139La(139La, X), 197Au(197Au, X), E=43=89.4 MeV/nucleon; calculated time evolution of fragments and multiplicities of free nucleons at low energies within dynamical microscopic theory.

doi: 10.1103/PhysRevC.75.057601
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2007DH02      Phys.Rev. C 75, 057901 (2007)

J.K.Dhawan, R.K.Puri

System size effects and momentum correlations in heavy-ion collisions

NUCLEAR REACTIONS 12C(12C, X), 20Ne(20Ne, X), 40Ca(40Ca, X), 58Ni(58Ni, X), 93Nb(93Nb, X), 129Xe(129Xe, X), 139La(139La, X), E=400 MeV/nucleon; calculated mass yield distributions. Deduced the role of momentum correlations.

doi: 10.1103/PhysRevC.75.057901
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2007DH03      Acta Phys.Pol. B38, 2133 (2007)

N.K.Dhiman, R.K.Puri

The study of fusion of different isotopes/isotones leading to the same compound nucleus

NUCLEAR REACTIONS Ca(Ca, X), Ti(Ar, X), Cr(S, X), Fe(Si, X), Ni(Mg, X), Zn(Ne, X), Ge(O, X), Se(C, X), Kr(Be, X), E not given; calculated normalized barrier heights, positions and fusion cross sections.


2007DH04      Eur.Phys.J. A 33, 57 (2007)

J.K.Dhawan, R.K.Puri

On the momentum correlations in the fragmentation of 197Au + 197Au reactions

NUCLEAR REACTIONS 197Au(197Au, X), E=600 MeV/nucleon; calculated fragment multiplicities, momentum, charge, and mass distributions using QMD model.

doi: 10.1140/epja/i2006-10406-0
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2006DH02      Acta Phys.Pol. B37, 1855 (2006)

N.K.Dhiman, R.K.Puri

A comparative study of isotopic dependence of fusion dynamics for Ca-Ni colliding series

NUCLEAR REACTIONS 40,44,48Ca, 58,62Ni, 46,48,50Ti(40Ca, X), 48Ca(48Ca, X), 58,60,64Ni(46Ti, X), 64Ni(46Ti, X), 60Ni(50Ti, X), 58,60,63,64Ni(40Ar, X), 58,64Ni(58Ni, X), 64Ni(64Ni, X), E not given; analyzed fusion barrier heights, fusion probabilities, isotopic dependence. 58,60,62Ni(40Ca, X), E(cm) = 70-120 MeV; analyzed fusion σ. Several models compared.


2006DH05      Phys.Rev. C 74, 054610 (2006)

J.K.Dhawan, R.K.Puri

Multifragmentation at the energy of vanishing flow in central heavy-ion collisions

NUCLEAR REACTIONS 27Al, 45Sc, 51V(40Ar, X), 48Ti, 58Ni, (64Zn, X), 58Ni(58Ni, X), 93Nb(93Nb, X), (86Kr, X), 139La(139La, X), 197Au(197Au, X), E ≈ 20-120 MeV/nucleon; calculated fragments multiplicities, related features; deduced power law dependence. Quantum molecular dynamics model, energy of vanishing flow.

doi: 10.1103/PhysRevC.74.054610
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2006DH06      Phys.Rev. C 74, 057901 (2006)

J.K.Dhawan, N.Dhiman, A.D.Sood, R.K.Puri

From fusion to total disassembly: Global stopping in heavy-ion collisions

NUCLEAR REACTIONS 20Ne(20Ne, X), 40Ca(40Ca, X), 58Ni(58Ni, X), 93Nb(93Nb, X), 139La(139La, X), 197Au(197Au, X), E=400 MeV/nucleon; calculated light charged particle and intermediate mass fragments rapidity distributions, anisotropy ratios, stopping features. Quantum molecular dynamics model.

doi: 10.1103/PhysRevC.74.057901
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2006SO05      Int.J.Mod.Phys. E15, 899 (2006)

A.D.Sood, R.K.Puri

The study of participant-spectator matter and collision dynamics in heavy-ion collisions

NUCLEAR REACTIONS 40Ca(40Ca, X), E=200 MeV/nucleon; 131Xe(131Xe, X), E=400 MeV/nucleon; calculated time evolution of nucleon trajectories, related features. Participant-spectator model.

doi: 10.1142/S0218301306004685
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2006SO06      Phys.Rev. C 73, 067602 (2006)

A.D.Sood, R.K.Puri

Systematic study of the energy of vanishing flow: Role of equations of state and cross sections

NUCLEAR REACTIONS 12C(12C, X), 20Ne(20Ne, X), 40Ca(40Ca, X), 58Ni(58Ni, X), 93Nb(93Nb, X), 131Xe(131Xe, X), 197Au(197Au, X), 238U(238U, X), E ≈ 40-140 MeV; analyzed energy of vanishing flow. Several models compared.

doi: 10.1103/PhysRevC.73.067602
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2006SO16      Eur.Phys.J. A 30, 571 (2006)

A.D.Sood, R.K.Puri

Influence of momentum-dependent interactions on balance energy and mass dependence

NUCLEAR REACTIONS 12C(12C, X), 27Al(20Ne, X), (36Ar, X), 27Al, 45Sc, 51V, 58Ni(40Ar, X), 48Ti, 58Ni(64Zn, X), 58Ni(58Ni, X), 93Nb(86Kr, X), (93Nb, X), Sn(129Xe, X), 139La(139La, X), 197Au(197Au, X), E ≈ 0-800 MeV/nucleon; calculated directed transverse momentum, related features; deduced role of momentum-dependent interactions.

doi: 10.1140/epja/i2006-10143-4
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2005PU01      Eur.Phys.J. A 23, 429 (2005)

R.K.Puri, N.K.Dhiman

Isotopic dependence of fusion probabilities for neutron-deficient and -rich colliding nuclei

NUCLEAR REACTIONS 40,44,48Ca, 58,62Ni(40Ca, X), 48Ca(48Ca, X), 58,64Ni(58Ni, X), (64Ni, X), E(cm) ≈ 50-150 MeV; analyzed fusion barrier heights, fusion σ, isotopic dependence.

doi: 10.1140/epja/i2004-10091-y
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2004SO12      Phys.Rev. C 69, 054612 (2004)

A.D.Sood, R.K.Puri

Mass dependence of disappearance of transverse in-plane flow

NUCLEAR REACTIONS 27Al(20Ne, X), (36Ar, X), (40Ar, X), 45Sc, 51V, 58Ni(40Ar, X), 48Ti(64Zn, X), 58Ni(58Ni, X), (64Zn, X), 93Nb(86Kr, X), (93Nb, X), Sn(129Xe, X), 139La(139La, X), 197Au(197Au, X), E ≈ 30-150 MeV/nucleon; calculated directed transverse in-plane flow, balance energy. Quantum molecular dynamics, comparison with data.

doi: 10.1103/PhysRevC.69.054612
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2004SO18      Phys.Lett. B 594, 260 (2004)

A.D.Sood, R.K.Puri, J.Aichelin

Study of balance energy in central collisions for heavier nuclei

NUCLEAR REACTIONS 93Nb(93Nb, X), 139La(139La, X), 197Au(197Au, X), 238U(238U, X), E=35-80 MeV/nucleon; calculated particles average transverse momentum vs time, disappearance of flow, balance energy. Quantum molecular dynamics model.

doi: 10.1016/j.physletb.2004.05.053
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2004SO26      Phys.Rev. C 70, 034611 (2004)

A.D.Sood, R.K.Puri

Nuclear dynamics at the balance energy

NUCLEAR REACTIONS 27Al(20Ne, X), (36Ar, X), 27Al, 45Sc, 51V, 58Ni(40Ar, X), 48Ti(64Zn, X), 58Ni, (58Ni, X), (64Zn, X), 93Nb(86Kr, X), (93Nb, X), Sn(129Xe, X), 139La(139La, X), 197Au(197Au, X), E ≈ 40-120 MeV; calculated average and maximum density, temperature, participant-spectator ratios, related features. Quantum molecular dynamics model.

doi: 10.1103/PhysRevC.70.034611
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2002PU02      Pramana 59, 19 (2002)

R.K.Puri, J.Singh, S.Kumar

Fragment Production in 16O + 80Br Reaction within Dynamical Microscopic Theory

NUCLEAR REACTIONS 80Br(16O, X), E=50-200 MeV/nucleon; calculated fragment mass and charge distributions, multiplicities. Quantum molecular dynamics, simulated annealing clusterization algorithm.

doi: 10.1007/s12043-002-0030-7
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2002PU05      Acta Phys.Hung.N.S. 16, 233 (2002)

R.K.Puri, J.Singh

Multi-Fragmentation in Heavy-Ion Collisions: Role of System-Size Effects, Cross-Section and Equation of State

doi: 10.1556/APH.16.2002.1-4.45
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2002SI02      Phys.Rev. C65, 024602 (2002)

J.Singh, R.K.Puri

Mass Dependence in the Production of Light Fragments in Heavy-Ion Collisions

NUCLEAR REACTIONS 40Ca(40Ca, X), 58Ni(58Ni, X), 93Nb(93Nb, X), 131Xe(131Xe, X), 168Er(168Er, X), 197Au(197Au, X), 238U(238U, X), E=50-1000 MeV/nucleon; calculated light and medium mass fragment yields; deduced dependence on mass of system. Quantum molecular dynamics, minimum spanning tree clusterization.

doi: 10.1103/PhysRevC.65.024602
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2002SO17      Acta Phys.Hung.N.S. 16, 429 (2002)

A.Sood, R.K.Puri

Study of Equilibrium Using Collision Dynamics

NUCLEAR REACTIONS Ca(Ca, X), Sn(Xe, X), Au(197Au, X), E=400 MeV/nucleon; calculated particle rapidity distributions vs centrality; deduced thermalization features. Dynamical quantum molecular dynamics model.

doi: 10.1556/APH.16.2002.1-4.45
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2001SI19      Phys.Rev. C63, 054603 (2001)

J.Singh, S.Kumar, R.K.Puri

Momentum Dependent Interactions and the Asymmetry of the Reaction: Multifragmentation as an Example

NUCLEAR REACTIONS Ag, Br(16O, X), E=25-200 MeV/nucleon; calculated fragments spectra, mass and multiplicity distributions; deduced role of momentum dependent interactions. Quantum molecular dynamics approach.

doi: 10.1103/PhysRevC.63.054603
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2001SI41      Phys.Lett. 519B, 46 (2001)

J.Singh, R.K.Puri, J.Aichelin

Study of System-Size Effects in Multi-Fragmentation using Quantum Molecular Dynamics Model

NUCLEAR REACTIONS 40Ca(40Ca, X), 58Ni(58Ni, X), 93Nb(93Nb, X), 131Xe(131Xe, X), 168Er(168Er, X), 197Au(197Au, X), 238U(238U, X), E=50-1000 MeV/nucleon; calculated light and intermediate mass fragments multiplicities; deduced system size effects, power law parameterization. Quantum molecular dynamics model.

doi: 10.1016/S0370-2693(01)01073-5
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2000AR10      Eur.Phys.J. A 8, 103 (2000)

R.Arora, R.K.Puri, R.K.Gupta

Analytical Calculation of Fusion Cross-Sections

NUCLEAR REACTIONS 16O, 20Ne, 24,26Mg, 28Si, 40Ca(16O, X), 24Mg, 28Si(18O, X), 24,26Mg, 28Si, 32,34S(24Mg, X), 34S(26Mg, X), 28,30Si(28Si, X), (30Si, X), E(cm)=10-55 MeV; 32S, 40,44,48Ca, 46,48Ti, 58,60Ni(40Ca, X), E(cm)=50-100 MeV; 58,60Ni(48Ti, X), E(cm)=70-100 MeV; 58Ni(58Ni, X), E(cm)=90-120 MeV; calculated fusion σ. Two analytical parameterizations. Comparisons with data.

doi: 10.1007/s100500070124
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2000GU04      J.Phys.(London) G26, L23 (2000)

R.K.Gupta, M.Balasubramaniam, R.K.Puri, W.Scheid

The Halo Structure of Neutron-Drip Line Nuclei: (Neutron) cluster-core model

NUCLEAR STRUCTURE 6He, 11Li, 11,14,17Be, 14,19B, 17,19,22C, 22N, 22,23O, 24,26,27,29F, 29Ne; calculated potential energy vs cluster configuration; deduced neutron halo structure features. Cluster-core model.

doi: 10.1088/0954-3899/26/2/102
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2000SI34      Phys.Rev. C62, 044617 (2000)

J.Singh, S.Kumar, R.K.Puri

Model Ingredients and Multifragmentation in Symmetric and Asymmetric Heavy Ion Collisions

NUCLEAR REACTIONS Ag, Br(O, X), E=50, 200 MeV/nucleon; Sn(Xe, X), E=400 MeV/nucleon; calculated fragment charge distributions, time evolution of light, intermediate mass fragment multiplicities; deduced role of momentum-dependent interactions.

doi: 10.1103/PhysRevC.62.044617
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2000SI35      Phys.Rev. C62, 054602 (2000)

J.Singh, R.K.Puri

Dynamical Multifragmentation and Spatial Correlations

NUCLEAR REACTIONS 197Au(197Au, X), E=100, 600 MeV/nucleon; Ag, Br(O, X), E=200 MeV/nucleon; Sn(Xe, X), E=400 MeV/nucleon; calculated fragment mass yields vs impact parameter; deduced role of spatial correlations.

doi: 10.1103/PhysRevC.62.054602
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1999PU06      Pramana 53, 453 (1999)

R.K.Puri, S.Kumar

The Simulations of Ca-Ca Collisions: Binary break-up, onset of multifragmentation and vaporization

NUCLEAR REACTIONS Ca(Ca, X), E=20-1000 MeV/nucleon; calculated light, intermediate mass fragments multiplicities, nucleon rapidity distributions. Quantum molecular dynamics.

doi: 10.1007/s12043-999-0014-y
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1998HA11      Eur.Phys.J. A 1, 151 (1998)

C.Hartnack, R.K.Puri, J.Aichelin, J.Konopka, S.A.Bass, H.Stocker, W.Greiner

Modelling the Many-Body Dynamics of Heavy Ion Collisions: Present status and future perspective

NUCLEAR REACTIONS 197Au(197Au, X), E=high; calculated momentum distributions, transverse flow, excitation functions, other features. Quantum molecular dynamics model, several versions compared.

doi: 10.1007/s100500050045
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1998KU20      Phys.Rev. C58, 1618 (1998)

S.Kumar, R.K.Puri, J.Aichelin

Different Nucleon-Nucleon Cross Sections and Multifragmentation

NUCLEAR REACTIONS Sn(Xe, X), E=100, 400 MeV/nucleon; calculated fragments mass, multiplicity, rapidity distributions; deduced dependence on nucleon-nucleon cross sections. Quantum molecular dynamics model.

doi: 10.1103/PhysRevC.58.1618
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1998KU27      Phys.Rev. C58, 2858 (1998)

S.Kumar, R.K.Puri

Stability of Fragments Formed in the Simulations of Central Heavy Ion Collisions

NUCLEAR REACTIONS 197Au(197Au, X), E=150, 600 MeV/nucleon; calculated fragments mass distributions vs time, rapidity distributions; deduced fragment stability features. Quantum molecular dynamics model.

doi: 10.1103/PhysRevC.58.2858
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1998KU28      Phys.Rev. C58, 3494 (1998)

S.Kumar, M.K.Sharma, R.K.Puri, K.P.Singh, I.M.Govil

Impact Parameter Dependence of the Disappearance of Flow and In-Medium Nucleon-Nucleon Cross Section

NUCLEAR REACTIONS 64Zn(27Al, X), E=70, 100, 150, 200 MeV/nucleon; calculated nuclear flow, related features; deduced impact parameter dependence. Quantum molecular dynamics model.

doi: 10.1103/PhysRevC.58.3494
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1998PU02      Phys.Rev. C57, 2744 (1998)

R.K.Puri, S.Kumar

Binary Breakup: Onset of multifragmentation and vaporization in Ca-Ca collisions

NUCLEAR REACTIONS 40Ca(40Ca, X), E=20-1000 MeV/nucleon; calculated fragments multiplicities, mass distributions; deduced impact parameter dependence.

doi: 10.1103/PhysRevC.57.2744
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1998PU07      Eur.Phys.J. A 3, 277 (1998)

R.K.Puri, M.K.Sharma, R.K.Gupta

Isotopic Dependence of Fusion Cross-Sections - Linear Relationships

NUCLEAR REACTIONS 40,48,60Ca, 56,58,60,62Ni(40Ca, X), 48,60Ca(60Ca, X), E(cm)=45-100 MeV; 56Ni(56Ni, X), 62Ni(62Ni, X), 68Ni(68Ni, X), 74Ni(74Ni, X), 80Ni(80Ni, X), 86Ni(86Ni, X), E(cm)=85-130 MeV; calculated fusion barriers, fusion σ; deduced isotopic dependence linear relationship.

doi: 10.1007/s100500050178
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1997GU31      Nuovo Cim. 110A, 1149 (1997)

R.K.Gupta, M.K.Sharma, R.K.Puri

Calculated Fusion Cross-Sections for Neutron Rich Colliding Nuclei

NUCLEAR REACTIONS 40,48,60Ca(40Ca, X), 48,60Ca(60Ca, X), E(cm)=50-80 MeV; 34S(26Mg, X), E(cm)=26-35 MeV; 178Hf(32S, X), (38S, X), E(cm)=130-170 MeV; calculated fusion σ.

doi: 10.1007/BF03035957
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1997SH24      Phys.Rev. C56, 1175 (1997)

M.K.Sharma, H.Kumar, R.K.Puri, R.K.Gupta

Spin Density Contribution to Heavy Ion Potentials using Different Nucleonic Densities

NUCLEAR REACTIONS 28Si(28Si, X), (18O, X), E not given; calculated interaction potential spin-density part vs separation distance. Skyrme energy density formalism.

doi: 10.1103/PhysRevC.56.1175
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1997SH35      Z.Phys. A359, 141 (1997)

M.K.Sharma, R.K.Puri, R.K.Gupta

Analytical Calculation of Fusion Barriers and Cross-Sections for Spin-Saturated Colliding Nuclei

NUCLEAR REACTIONS, ICPND 16O, 40,60Ca, 80,98Zr, 126Ce(16O, X), 40,60Ca, 80,98Zr, 126Ce(40Ca, X), 60Ca, 80,98Zr, 126Ce(60Ca, X), 80,98Zr, 126Ce(80Zr, X), 98Zr, 126Ce(98Zr, X), 126Ce(126Ce, X), E not given; calculated fusion barrier height, position. 40Ca(40Ca, X), E(cm)=50-90 MeV; 16O(16O, X), E(cm)=10-40 MeV; analyzed fusion σ. Skyrme energy density formulation.

doi: 10.1007/s002180050380
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1996FU05      J.Phys.(London) G22, 131 (1996)

C.Fuchs, E.Lehmann, R.K.Puri, L.Sehn, A.Faessler, H.H.Wolter

Realistic Forces in Heavy-Ion Collisions at Intermediate Energies

NUCLEAR REACTIONS 40Ca(40Ca, X), E=400 MeV/nucleon; analyzed rapidity distributions; deduced flow dependence on forces used. Dirac-Brueckner theory based realistic forces, relativistic BUU approach.

doi: 10.1088/0954-3899/22/1/012
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1996LE08      Z.Phys. A355, 55 (1996)

E.Lehmann, A.Faessler, J.Zipprich, R.K.Puri, S.W.Huang

Study of In-Medium Effects on the Disappearance of the Sidewards Flow in Heavy-Ion Collisions

NUCLEAR REACTIONS 27Al(20Ne, X), 45Sc(Ar, X), 93Nb(84Kr, X), E ≤ 170 MeV/nucleon; calculated transverse momentum vs E. Quantum molecular dynamics model.

doi: 10.1007/s002180050077
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1996PU02      Phys.Rev. C54, R28 (1996)

R.K.Puri, C.Hartnack, J.Aichelin

Early Fragment Formation in Heavy-Ion Collisions

NUCLEAR REACTIONS 197Au(197Au, X), E=150, 600 MeV/nucleon; calculated collision evolution vs impact parameter; deduced early fragment formation related features. Quantum molecular dynamics model simulation.

doi: 10.1103/PhysRevC.54.R28
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1995LE05      Phys.Rev. C51, 2113 (1995)

E.Lehmann, R.K.Puri, A.Faessler, G.Batko, S.W.Huang

Consequences of a Convariant Description of Heavy-Ion Reactions at Intermediate Energies

NUCLEAR REACTIONS C(C, X), E=50 MeV/nucleon; Ca(Ca, X), E=1.5, 2 GeV/nucleon; calculated nucleon flow, directed transverse flow; deduced convariant description importance. Relativistic quantum molecular dynamics approach.

doi: 10.1103/PhysRevC.51.2113
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1995PU01      Phys.Rev. C51, 1568 (1995)

R.K.Puri, R.K.Gupta

Comparison of Different Skyrme Forces: Fusion barriers and fusion cross sections

NUCLEAR REACTIONS, ICPND 16O(16O, X), E(cm)=11-19 MeV; 58Ni(32S, X), E ≈ 59.5-70 MeV; 40Ca(40Ca, X), E(cm) ≈ 54.5-64 MeV; 58Ni(58Ni, X), E ≈ 98-107 MeV; calculated fusion σ(E). Skyrme energy-density formalism, fusion barriers for other systems included.

doi: 10.1103/PhysRevC.51.1568
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1995PU02      Z.Phys. A351, 59 (1995)

R.K.Puri, E.Lehmann, A.Faessler, S.W.Huang

Relativistic Effects in Heavy-Ion Collisions at SIS Energies

NUCLEAR REACTIONS 12C(12C, X), 16O(16O, X), 20Ne(20Ne, X), 28Si(28Si, X), 40Ca(40Ca, X), E=0.05-2GeV/nucleon; calculated time evolution, average collision rate, rapidity distribution. Convariant, noncovariant quantum molecular dynamics model.

doi: 10.1007/BF01292786
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1995PU03      J.Phys.(London) G21, 583 (1995)

R.K.Puri, E.Lehmann, A.Faessler, S.W.Huang

Sensitivity of the Nuclear Equation of State to Relativistic Effects

NUCLEAR REACTIONS 40Ca(40Ca, X), E ≤ 2000 MeV/nucleon; calculated relativistic effect vs E, scaled impact parameter. Equation of state approach, relativistic quantum molecular dynamics.

doi: 10.1088/0954-3899/21/4/010
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1994BA19      J.Phys.(London) G20, 461 (1994)

G.Batko, A.Faessler, S.W.Huang, E.Lehmann, R.K.Puri

Does the Reduction of the Mass in the Medium Enhance the Production of Antiprotons in High-Energy Nuclear Reactions ( Question )

NUCLEAR REACTIONS Ni(Ni, X), E=1.93 GeV/nucleon; Cu(C, X), E=3.65 GeV/nucleon; calculated antiproton invariant spectra, σ(θ); deduced medium effects role in anti-proton production.

doi: 10.1088/0954-3899/20/3/007
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1994PU03      Nucl.Phys. A575, 733 (1994)

R.K.Puri, N.Ohtsuka, E.Lehmann, A.Faessler, M.A.Matin, D.T.Khoa, G.Batko, S.W.Huang

Temperature-Dependent Mean Field and Its Effect on Heavy-Ion Reactions

NUCLEAR REACTIONS 40Ca(40Ca, X), 93Nb(93Nb, X), E=400 MeV/nucleon; calculated maximum, average densities, transverse flow time evolution. Temperature dependent mean field nucleon potentials.

doi: 10.1016/0375-9474(94)90164-3
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1994PU05      J.Phys.(London) G20, 1817 (1994)

R.K.Puri, E.Lehmann, A.Faessler, S.W.Huang

Study of Non-Equilibrium Effects and Thermal Properties of Heavy-Ion Collisions using a Covariant Approach

NUCLEAR REACTIONS 40Ca(40Ca, X), 28Si(28Si, X), 20Ne(20Ne, X), 16O(16O, X), 12C(12C, X), E=0.5, 1.5 GeV/nucleon; calculated anisotropy ratio, average temperature, matter density time evolution. Full Lorentz-invariant formalism, nonequilibrium effects.

doi: 10.1088/0954-3899/20/11/010
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1993GU02      Phys.Rev. C47, 561 (1993)

R.K.Gupta, S.Singh, R.K.Puri, W.Scheid

Instabilities Against Exotic Cluster Decays in ' Stable ' Nuclei with Z and N in the Neighborhood of Spherical and Deformed Closed Shells

NUCLEAR STRUCTURE Z=50-82; 120Ba, 154,156,158Gd, 160Dy, 164Er, 186Hg; calculated cluster-decay Q-value, T1/2 for α to 28Mg clusters. Preformed cluster model.

doi: 10.1103/PhysRevC.47.561
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1992GU10      J.Phys.(London) G18, 1533 (1992)

R.J.Gupta, S.Singh, R.K.Puri, A.Sandulescu, W.Greiner, W.Scheid

Influence of the Nuclear Surface Diffuseness on Exotic Cluster Decay Half-Life Times

RADIOACTIVITY 224,222Ra(14C), 234U(24Ne), 234U, 238Pu(28Mg), 238Pu(34Si); calculated preformation, WKB penetration probabilities, decay constant, log T1/2, branching ratio relative to α-decay. 223,221Ra, 221Fr(14C), 236,232,234U(24Ne), (26Ne), (28Mg), 236U, 237Np, 238Pu(30Mg), 238Pu(32Si), (34Si), 241Am(34Si), 252Cf(46Ar), (48Ca), (50Ca); calculated branching ratio, preformation probability relative to α-decay; deduced nuclear surface diffuseness role. Preformed cluster model.

doi: 10.1088/0954-3899/18/9/014
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1992KH03      Nucl.Phys. A548, 102 (1992)

D.T.Khoa, N.Ohtsuka, M.A.Matin, A.Faessler, S.W.Huang, E.Lehmann, R.K.Puri

In-Medium Effects in the Description of Heavy-Ion Collisions with Realistic NN Interactions

NUCLEAR REACTIONS 40Ca(40Ca, X), 93Nb(93Nb, X), E=400 MeV/nucleon; calculated temperature, nuclear matter density time evolution. Quantum molecular dynamical approach, phenomenological Skyrme forces, Brueckner G-matrix potential.

doi: 10.1016/0375-9474(92)90079-Y
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1992PU01      Phys.Rev. C45, 1837 (1992)

R.K.Puri, R.K.Gupta

Fusion Barriers Using the Energy-Density Formalism: Simple analytical Formula and the Calculation of Fusion Cross Sections

NUCLEAR REACTIONS 12C, 16,18O, 26,24Mg, 28,30Si(12C, X), 16O, 20Ne, 24,26Mg, 28Si, 40Ca, 40Ar(16O, X), 40Ar(12C, X), 24Mg, 28Si(18O, X), 26,24Mg, 28Si, 32,34S(24Mg, X), 32,34S(26Mg, X), 58,62,64Ni, 28,30Si(28Si, X), (30Si, X), 48,40,44Ca(40Ca, X), 58,64Ni(32S, X), (34S, X), (36S, X), 58,60,62,64Ni(40Ar, X), 58,64Ni(64Ni, X), 58,62Ni(40Ca, X), E not given; calculated fusion barrier heights. Skyrme interaction energy density model, sudden approximation.

doi: 10.1103/PhysRevC.45.1837
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1992PU02      J.Phys.(London) G18, 903 (1992)

R.K.Puri, R.K.Gupta

Alpha-Cluster Transfer Process in Colliding S-D Shell Nuclei using the Energy Density Formalism

NUCLEAR REACTIONS 40,42,44Ca(16O, X), E=40-80.6 MeV; 28Si(28Si, X), (30Si, X), 30Si(30Si, X), 40Ca(40Ca, X), E not given; calculated composite system mass fragmentation potentials, α-cluster transfer mass spectra. Energy density formalism.

doi: 10.1088/0954-3899/18/5/017
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1992PU07      Int.J.Mod.Phys. E1, 269 (1992)

R.K.Puri, R.K.Gupta

Analytical Formulation of the Ion-Ion Interaction Potential Including Spin Density Term in Energy Density Formalism

NUCLEAR REACTIONS 56Ni(40Ca, X), 40Ca(40Ca, X), 26Mg(26Mg, X), 34Ar(34Ar, X), 20Ne(18O, X), 20Ne(28Si, X), 28Si(28Si, X), 36Ar(36Ar, X), E not given; calculated interaction potentials. Sudden approximation, Fermi density distribution.

doi: 10.1142/S0218301392000138
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1991PU01      Phys.Rev. C43, 315 (1991)

R.K.Puri, P.Chattopadhyay, R.K.Gupta

Spin Density Contribution in Heavy-Ion Interaction Potentials using Energy Density Formalism

NUCLEAR STRUCTURE 12C, 16O, 24Mg, 36Ar; calculated nucleon density distribution. Shell model, Fermi distribution.

NUCLEAR REACTIONS 12C(12C, 12C), 24Mg(16O, 16O), 36Ar(24Mg, 24Mg), 60Ni, 90Zr(40Ca, 40Ca), 46Ti(14C, 14C), 52Fe(20Ne, 20Ne), 60Ni(48Ca, 48Ca), 56Ni(56Ni, 56Ni), 36Ar(36Ar, 36Ar), E not given; calculated interaction potential; deduced spin-density contribution role. Energy density formalism, Skyrme interactions.

doi: 10.1103/PhysRevC.43.315
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