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NSR database version of April 25, 2024.

Search: Author = S.K.Samaddar

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2021AG09      Eur.Phys.J. Special Topics 230, 517 (2021)

B.K.Agrawal, T.Malik, J.N.De, S.K.Samaddar

Constraining nuclear matter parameters from correlation systematics: a mean-field perspective

doi: 10.1140/epjs/s11734-021-00001-7
Citations: PlumX Metrics


2019MA35      Phys.Rev. C 99, 052801 (2019)

T.Malik, B.K.Agrawal, J.N.De, S.K.Samaddar, C.Providencia, C.Mondal, T.K.Jha

Tides in merging neutron stars: Consistency of the GW170817 event with experimental data on finite nuclei

doi: 10.1103/PhysRevC.99.052801
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2018MA70      Phys.Rev. C 98, 064316 (2018)

T.Malik, C.Mondal, B.K.Agrawal, J.N.De, S.K.Samaddar

Nucleon effective mass and its isovector splitting

NUCLEAR STRUCTURE 48Ca, 68Ni, 120Sn, 208Pb; calculated dipole enhancement factor, correlation of the isovector parameter, and energy weighted sum rule using energy density functional (EDF) based on the thermodynamic Gibbs-Duhem relation. Nucleon effective mass and its isovector splitting. Comparison with other theoretical predictions.

doi: 10.1103/PhysRevC.98.064316
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2018MO26      Int.J.Mod.Phys. E27, 1850078 (2018)

C.Mondal, B.K.Agrawal, J.N.De, S.K.Samaddar

Correlations among symmetry energy elements in Skyrme models

doi: 10.1142/S0218301318500787
Citations: PlumX Metrics


2017MO23      Phys.Rev. C 96, 021302 (2017)

C.Mondal, B.K.Agrawal, J.N.De, S.K.Samaddar, M.Centelles, X.Vinas

Interdependence of different symmetry energy elements

doi: 10.1103/PhysRevC.96.021302
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2016MO10      Phys.Rev. C 93, 044328 (2016)

C.Mondal, B.K.Agrawal, J.N.De, S.K.Samaddar

Sensitivity of elements of the symmetry energy of nuclear matter to the properties of neutron-rich systems

NUCLEAR STRUCTURE 16,24O, 20,30Ne, 24,36Mg, 40,48,54,58Ca, 56,68,78Ni, 90Zr, 100,116,132,138Sn, 144Sm, 208Pb; analyzed best-fit parameters for binding energy and charge radius of a nucleus. Nuclear symmetry energy matter density for ultra-neutron-rich nuclei. Maximum mass of a neutron star. Relativistic mean field model.

doi: 10.1103/PhysRevC.93.044328
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2015DE19      Phys.Rev. C 92, 014304 (2015)

J.N.De, S.K.Samaddar, B.K.Agrawal

Reassessing nuclear matter incompressibility and its density dependence

doi: 10.1103/PhysRevC.92.014304
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2014AG02      Eur.Phys.J. A 50, 19 (2014)

B. K. Agrawal, J. N. De, S. K. Samaddar, M. Centelles, X.Vinas

Symmetry energy of warm nuclear systems

NUCLEAR STRUCTURE A=56, 112, 150, 208; calculated symmetry energy coefficients vs temperature using energy functional with Skyrme interaction and subtracted finite-temperature Thomas-Fermi.

doi: 10.1140/epja/i2014-14019-8
Citations: PlumX Metrics


2014AG05      Phys.Rev. C 89, 044320 (2014)

B.K.Agrawal, D.Bandyopadhyay, J.N.De, S.K.Samaddar

Thermal properties of the nuclear surface

doi: 10.1103/PhysRevC.89.044320
Citations: PlumX Metrics


2014AL31      Phys.Rev. C 90, 054317 (2014)

N.Alam, B.K.Agrawal, J.N.De, S.K.Samaddar, G.Colo

Equation of state of nuclear matter from empirical constraints

doi: 10.1103/PhysRevC.90.054317
Citations: PlumX Metrics


2013AG06      Phys.Rev. C 87, 051306 (2013)

B.K.Agrawal, J.N.De, S.K.Samaddar, G.Colo, A.Sulaksono

Constraining the density dependence of the symmetry energy from nuclear masses

NUCLEAR STRUCTURE 208Pb, 238U; calculated symmetry slope parameter L, neutron skin thickness for spherical and deformed nuclei, symmetry energy using a microscopic framework with different energy density functionals.

doi: 10.1103/PhysRevC.87.051306
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2012AG22      Phys.Rev.Lett. 109, 262501 (2012)

B.K.Agrawal, J.N.De, S.K.Samaddar

Determining the Density Content of Symmetry Energy and Neutron Skin: An Empirical Approach

NUCLEAR STRUCTURE 208Pb; calculated energy density functionals, symmetry energy slope parameter, neutron skin thickness.

doi: 10.1103/PhysRevLett.109.262501
Citations: PlumX Metrics


2012DE02      Phys.Rev. C 85, 024310 (2012)

J.N.De, S.K.Samaddar

Temperature dependence of the symmetry energy of finite nuclei

NUCLEAR STRUCTURE A=26, Z=10, 12; A=40, Z=16, 18; A=56, Z=24, 26, 28; A=64, Z=26, 28, 30; A=80, Z=34, 36; A=112, Z=48, 50, 52; A=120, Z=50, 52; A=150, Z=60, 62; A=197, Z=77, 79; A=238, Z=90, 92; calculated symmetry energy coefficient as function of nuclear mass, temperature dependence of symmetry energy for various nucleon pairs. Thomas-Fermi model with SkM* and SBM interactions.

doi: 10.1103/PhysRevC.85.024310
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2012DE17      Phys.Rev. C 86, 024606 (2012)

J.N.De, S.K.Samaddar, X.Vinas, M.Centelles, I.N.Mishustin, W.Greiner

Effects of medium on nuclear properties in multifragmentation

doi: 10.1103/PhysRevC.86.024606
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2011SA21      Phys.Rev. C 83, 055802 (2011)

S.K.Samaddar, J.N.De

Warm α-nucleon matter

doi: 10.1103/PhysRevC.83.055802
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2010DE36      Phys.Rev. C 82, 045201 (2010)

J.N.De, S.K.Samaddar, B.K.Agrawal

Anatomy of the symmetry energy of dilute nuclear matter

doi: 10.1103/PhysRevC.82.045201
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2010SA06      Phys.Rev. C 81, 041601 (2010)

S.K.Samaddar, J.N.De

Examining the efficacy of isotope thermometry in the S-matrix approach

NUCLEAR STRUCTURE 124Sn; calculated temperature and volume of a hot fragmenting nuclear system by isotope thermometry in the S-matrix approach.

doi: 10.1103/PhysRevC.81.041601
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2009SA18      Phys.Rev. C 79, 051602 (2009)

S.K.Samaddar, J.N.De

Scattering effects on nuclear thermodynamic observables

doi: 10.1103/PhysRevC.79.051602
Citations: PlumX Metrics


2009SA36      Phys.Rev. C 80, 035803 (2009)

S.K.Samaddar, J.N.De, X.Vinas, M.Centelles

Symmetry coefficients and incompressibility of clusterized supernova matter

doi: 10.1103/PhysRevC.80.035803
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2008DE33      Phys.Rev. C 78, 065204 (2008)

J.N.De, S.K.Samaddar

Nuclear condensation and symmetry energy of dilute nuclear matter: An S-matrix approach

doi: 10.1103/PhysRevC.78.065204
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2008MA11      Phys.Rev. C 77, 032201 (2008)

S.Mallik, J.N.De, S.K.Samaddar, S.Sarkar

S-matrix approach to equation of state of nuclear matter

doi: 10.1103/PhysRevC.77.032201
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2008SA37      Phys.Rev. C 78, 034607 (2008)

S.K.Samaddar, J.N.De, X.Vinas, M.Centelles

Density dependence of the symmetry free energy of hot nuclei

NUCLEAR STRUCTURE 40S, 110Sn, 150Sm, 150Cs, 197Au; calculated equilibrium temperature, equilibrium central density, symmetry coefficients for nuclear matter.

doi: 10.1103/PhysRevC.78.034607
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2007DE54      Phys.Rev. C 76, 044607 (2007)

J.N.De, S.K.Samaddar

Nuclear condensation and the equation of state of nuclear matter

doi: 10.1103/PhysRevC.76.044607
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2007SA34      Phys.Rev. C 75, 054608 (2007)

S.K.Samaddar, J.N.De, X.Vinas, M.Centelles

Density reorganization in hot nuclei

NUCLEAR STRUCTURE 40S, 40Ca, 150Sm, 150Yb, 150Cs; calculated equilibrium density profile as a function of excitation energy.

doi: 10.1103/PhysRevC.75.054608
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2007SA52      Phys.Rev. C 76, 041602 (2007)

S.K.Samaddar, J.N.De, X.Vinas, M.Centelles

Excitation energy dependence of the symmetry energy of finite nuclei

NUCLEAR STRUCTURE 40S, 150Sm, 150Cs; calculated density and temperature dependence of symmetry coefficients, nucleon-nucleon collisions.

doi: 10.1103/PhysRevC.76.041602
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2006DE16      Phys.Rev. C 73, 034602 (2006)

J.N.De, S.K.Samaddar, S.Shlomo, J.B.Natowitz

Continuous phase transition and negative specific heat in finite nuclei

NUCLEAR STRUCTURE 40,50Ca, 150Re, 150Nd; calculated thermodynamic quantities, phase transition features. Heated liquid-drop model.

doi: 10.1103/PhysRevC.73.034602
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2006DE29      Phys.Lett. B 638, 160 (2006)

J.N.De, S.K.Samaddar, X.Vinas, M.Centelles

Nuclear expansion with excitation

NUCLEAR STRUCTURE 150Sm; calculated thermodynamic quantities, density, phase transition features. Skyrme type effective two-body interaction model.

doi: 10.1016/j.physletb.2006.05.046
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2005SA02      Phys.Rev. C 71, 011601 (2005)

S.K.Samaddar, J.N.De, A.Bonasera

Ambiguities in statistical calculations of nuclear fragmentation

NUCLEAR STRUCTURE 197Au; calculated fragment charge distributions, isotopic yield ratios for fragmentation of excited system, possible recombination effects. Statistical approach.

doi: 10.1103/PhysRevC.71.011601
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2004SA29      Phys.Rev. C 69, 064615 (2004)

S.K.Samaddar, J.N.De, S.Shlomo

Flow effects on multifragmentation in the canonical model

NUCLEAR STRUCTURE 109Ag, 197Au; calculated fragment multiplicities, flow effects in multifragmentation of hot nuclei. Analytically solvable canonical model.

doi: 10.1103/PhysRevC.69.064615
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2004SI01      Phys.Rev. C 69, 014602 (2004)

T.Sil, S.K.Samaddar, J.N.De, S.Shlomo

Liquid-gas phase transition in infinite and finite nuclear systems

NUCLEAR STRUCTURE 50Ca, 150,186Re; calculated thermodynamic quantities, phase transition features. Heated liquid drop model.

doi: 10.1103/PhysRevC.69.014602
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2002SI25      Phys.Rev. C66, 045803 (2002)

T.Sil, J.N.De, S.K.Samaddar, X.Vinas, M.Centelles, B.K.Agrawal, S.K.Patra

Isospin-rich nuclei in neutron star matter

NUCLEAR STRUCTURE 140,330Pb, 80Ca, 170Sn; calculated nuclear properties in neutron-star environment.

doi: 10.1103/PhysRevC.66.045803
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2001AG02      Phys.Rev. C63, 024002 (2001)

B.K.Agrawal, T.Sil, S.K.Samaddar, J.N.De

Shape Transition in Some Rare-Earth Nuclei in Relativistic Mean Field Theory

NUCLEAR STRUCTURE 148,150Sm, 150,152Gd, 152,154Dy; calculated β2 deformation, pairing gaps vs nuclear temperature, shape transitions. Relativistic mean-field approach.

doi: 10.1103/PhysRevC.63.024002
Citations: PlumX Metrics


2001AG08      Phys.Rev. C64, 017304 (2001)

B.K.Agrawal, T.Sil, S.K.Samaddar, J.N.De

Temperature Induced Shell Effects in Deformed Nuclei

NUCLEAR STRUCTURE 64,66Zn, 148,150Sm, 152,154Dy; calculated deformation, shell-correction energy vs temperature.

doi: 10.1103/PhysRevC.64.017304
Citations: PlumX Metrics


2001AG09      Phys.Rev. C64, 024305 (2001)

B.K.Agrawal, T.Sil, S.K.Samaddar, J.N.De, S.Shlomo

Coulomb Energy Differences in Mirror Nuclei Revisited

NUCLEAR STRUCTURE 15,16,17O, 32S, 39,40,41,48Ca, 56Ni, 90Zr, 208Pb; calculated radii. 15,17O, 15N, 17F, 39,41Ca, 39K, 41Sc, 55,57Ni, 55Co, 57Cu; calculated Coulomb displacement energies. Relativistic mean-field model, comparison with other models and data.

doi: 10.1103/PhysRevC.64.024305
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2001DA01      Phys.Rev. C63, 011602 (2001)

C.B.Das, S.Das Gupta, S.K.Samaddar

Microcanonical Lattice Gas Model for Nuclear Disassembly

NUCLEAR STRUCTURE 84Kr, 197Au; calculated excitation energy versus temperature, intermediate-mass fragment emission probabilities as a function of temperature and number of intermediate mass fragments. Comparison between canonical and microcanonical approaches.

doi: 10.1103/PhysRevC.63.011602
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2001SI20      Phys.Rev. C63, 054604 (2001)

T.Sil, B.K.Agrawal, J.N.De, S.K.Samaddar

Liquid-Gas Phase Transition in Nuclei in the Relativistic Thomas-Fermi Theory

NUCLEAR STRUCTURE 40Ca, 109Ag, 150Sm; calculated equations of state, caloric curves, other thermodynamic properties. Relativistic Thomas-Fermi theory.

doi: 10.1103/PhysRevC.63.054604
Citations: PlumX Metrics


2001SI22      Phys.Rev. C63, 064302 (2001)

T.Sil, B.K.Agrawal, J.N.De, S.K.Samaddar

Anatomy of Nuclear Shape Transition in the Relativistic Mean Field Theory

NUCLEAR STRUCTURE 148,150Sm, 64Zn; calculated single-particle levels, deformation vs temperature. Relativistic mean-field theory.

doi: 10.1103/PhysRevC.63.064302
Citations: PlumX Metrics


2000AG07      Phys.Rev. C62, 044307 (2000)

B.K.Agrawal, T.Sil, J.N.De, S.K.Samaddar

Nuclear Shape Transition at Finite Temperature in a Relativistic Mean Field Approach

NUCLEAR STRUCTURE 168,170Er; calculated deformation, pairing strength vs temperature, related features. Relativistic mean-field approach.

doi: 10.1103/PhysRevC.62.044307
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2000SA10      Phys.Rev. C61, 034610 (2000)

S.K.Samaddar, S.Das Gupta

Nuclear Fragmentation Characteristics from Isotopic Spin Dependent Lattice-Gas Model

NUCLEAR STRUCTURE 197Au; calculated particle densities, fragment yields vs temperature; deduced Coulomb contribution. Lattice gas model with isotopic spin dependence.

NUCLEAR REACTIONS 112Sn(112Sn, X), 124Sn(124Sn, X), E not given; calculated relative neutron yields. Lattice gas model with isotopic spin dependence.

doi: 10.1103/PhysRevC.61.034610
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1999AG01      Phys.Rev. C59, 832 (1999)

B.K.Agrawal, S.K.Samaddar, T.Sil, J.N.De

Isotope Thermometry in Nuclear Multifragmentation

NUCLEAR STRUCTURE 150Sm; calculated fragmenting system temperature vs excitation energy, time. Comparison of several double-ratio thermometers.

doi: 10.1103/PhysRevC.59.832
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1999AG03      Phys.Rev. C59, 3109 (1999)

B.K.Agrawal, S.K.Samaddar, A.Ansari, J.N.De

Influence of Pairing Correlations on the Excitation Energy, Angular Momentum, and Parity Dependence of Nuclear Level Densities

NUCLEAR STRUCTURE 152Sm, 160Yb; calculated level density, related parameters vs excitation energy; deduced pair correlation effects. Static path approximation.

doi: 10.1103/PhysRevC.59.3109
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1999DE01      Phys.Rev. C59, R1 (1999)

J.N.De, B.K.Agrawal, S.K.Samaddar

Equation of State of Finite Nuclei and Liquid-Gas Phase Transition

NUCLEAR STRUCTURE 85Kr, 150Sm; calculated equation of state; deduced critical temperatures, finite size effects. Thomas-Fermi framework.

doi: 10.1103/PhysRevC.59.R1
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1999SA29      Phys.Lett. 459B, 8 (1999)

S.K.Samaddar, S.Das Gupta, J.N.De, B.K.Agrawal, T.Sil

The One Body Density in a Finite Size Lattice Gas Model

doi: 10.1016/S0370-2693(99)00665-6
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1998AG13      Phys.Rev. C58, 3004 (1998)

B.K.Agrawal, S.K.Samaddar, J.N.De, S.Shlomo

Large-Model-Space Calculation of the Nuclear Level Density Parameter at Finite Temperature

NUCLEAR STRUCTURE 40Ca, 56Fe; calculated level density parameter vs temperature; deduced shell effects, continuum corrections, other contributions. Microscopic model.

doi: 10.1103/PhysRevC.58.3004
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1998DE07      Phys.Rev. C57, 1398 (1998)

J.N.De, S.Shlomo, S.K.Samaddar

Level Density Parameter in a Refined Thomas-Fermi Theory

NUCLEAR STRUCTURE 150Sm; calculated level density parameter vs temperature. Thomas-Fermi theory, second-order corrections.

doi: 10.1103/PhysRevC.57.1398
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1998PA17      Phys.Rev. C57, 3246 (1998)

S.Pal, S.K.Samaddar, J.N.De, B.Djerroud

Multiplicity Scaling in Nuclear Fragmentation

NUCLEAR STRUCTURE Ca, Ag, Sm, Au; calculated intermediate mass fragment multiplicities from highly excited nuclei; deduced scaling behavior.

doi: 10.1103/PhysRevC.57.3246
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1998UM03      Phys.Rev. D57, 3242 (1998)

V.S.Uma Maheswari, J.N.De, S.K.Samaddar

Hybrid Stars: Spin-polarized nuclear matter and density-dependent quark masses

doi: 10.1103/PhysRevD.57.3242
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1997DE09      Phys.Rev. C55, R1641 (1997)

J.N.De, S.Das Gupta, S.Shlomo, S.K.Samaddar

Caloric Curve for Finite Nuclei in Thomas-Fermi Theory

NUCLEAR STRUCTURE 150Sm; calculated proton density profile vs temperature, volume, temperature vs excitation energy per particle, specific heat per particle vs temperature. 85Kr; calculated temperature vs excitation energy per particle, specific heat per particle vs temperature. Finite temperature Thomas-Fermi theory.

doi: 10.1103/PhysRevC.55.R1641
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1997SA62      Phys.Rev.Lett. 79, 4962 (1997)

S.K.Samaddar, J.N.De, S.Shlomo

Effect of Flow on the Caloric Curve for Finite Nuclei

NUCLEAR STRUCTURE 150Sm; calculated energy, specific heat per nucleon vs temperature, proton rms radius, density; deduced liquid-gas phase transition. Finite temperature Thomas-Fermi theory.

doi: 10.1103/PhysRevLett.79.4962
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1997UM02      Nucl.Phys. A615, 516 (1997)

V.S.Uma Maheswari, D.N.Basu, J.N.De, S.K.Samaddar

Spin Polarised Nuclear Matter and Its Application to Neutron Stars

doi: 10.1016/S0375-9474(97)00002-X
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1996DE05      Phys.Rev. C53, 780 (1996)

J.N.De, N.Rudra, S.Pal, S.K.Samaddar

Refined Thomas-Fermi Description of Hot Nuclei

NUCLEAR STRUCTURE 40Ca, 90Zr, 208Pb; calculated equilibrium gas density, pressure, compression moduli, level density parameter, entropy per particle, neutron evaporation lifetime vs temperature. Other nuclei in this mass range included. Hot nuclei, refined Thomas-Fermi description.

doi: 10.1103/PhysRevC.53.780
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1996PA24      Nucl.Phys. A608, 49 (1996)

S.Pal, S.K.Samaddar, J.N.De

The Effect of Flow on Nuclear Multifragmentation in a Quantum Statistical Model

NUCLEAR STRUCTURE 108Ag; calculated charge yield, intermediate mass fragment, charged particle multiplicity vs temperature; deduced radial collective flow role. Prompt multi-fragmentation, quantum statistical model.

doi: 10.1016/S0375-9474(96)00271-0
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1995KA03      Nucl.Phys. A581, 294 (1995)

R.Kanungo, C.Samanta, S.Roy, S.K.Samaddar

Analysing Power Puzzle of p + 6Li Scattering: Consistent analysis with density and momentum dependent finite range effective interaction

NUCLEAR REACTIONS 6Li(polarized p, p), (polarized p, p'), E=10-136 MeV; analyzed σ(θ), analyzing power vs θ. 6Li(e, e'), (e, e), E not given; analyzed charge, transition density data; deduced density distributions. Single folding model, density, momentum dependent finite range effective interaction.

doi: 10.1016/0375-9474(94)00444-R
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1995PA13      Nucl.Phys. A586, 466 (1995)

S.Pal, S.K.Samaddar, A.Das, J.N.De

Recombination Effect in Nuclear Multifragmentation

NUCLEAR STRUCTURE 150Sm; calculated fragment charge yield, multiplicity probability distribution, other aspects following fragmentation. Sequential binary decay, prompt multi-fragmentation models.

doi: 10.1016/0375-9474(95)00620-G
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1995PA20      Nucl.Phys. A589, 489 (1995)

S.Pal, S.K.Samaddar, J.N.De

Signature of Exotic Nuclear Shapes from IMF-IMF Correlations

NUCLEAR STRUCTURE 150Sm; calculated three-fragment configurations charge distributions, angle-integrated correlation functions; deduced exotic nuclear shapes signature related features. BUU type framework calculations.

doi: 10.1016/0375-9474(95)00130-S
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1995PA32      Nucl.Phys. A591, 719 (1995)

S.Pal, S.K.Samaddar, J.N.De

Effect of Neighbouring Fragments on Sequential Binary Decay

NUCLEAR REACTIONS Cu(197Au, X), E=600 MeV/nucleon; analyzed fragmentation data. Transition state model.

doi: 10.1016/0375-9474(95)00189-8
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1994MA04      Phys.Rev. C49, 541 (1994)

M.M.Majumdar, S.K.Samaddar, N.Rudra, J.N.De

Finite Range Momentum and Density Dependent Effective Interaction and Analysis of Nuclear Incompressibility

NUCLEAR STRUCTURE A=40-250; calculated giant monopole resonance energy vs mass. Finite range effective interaction, Thomas Fermi approximation based nuclear compressibility.

doi: 10.1103/PhysRevC.49.541
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1994PA39      Phys.Lett. 337B, 14 (1994)

S.Pal, S.K.Samaddar, A.Das, J.N.De

Microcanonical Simulation of Multifragmentation of Exotic Nuclear Shapes

NUCLEAR STRUCTURE 150Sm; calculated charged particle multiplicity distributions, other observables. Multi-fragmentation, toroidal, bubble nuclei, statistical model, microcanonical simulation.

doi: 10.1016/0370-2693(94)91435-4
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1993MA41      Phys.Rev. C48, 2093 (1993)

M.M.Majumdar, J.N.De, C.Samanta, S.K.Samaddar

Role of Nuclear Compressibility on the Fission Path

NUCLEAR STRUCTURE 238U, 208Pb; calculated equilibrium density along fission path, deformation energy, volume, Coulomb, surface contributions; deduced nuclear compressibility role. Semi-macroscopic framework.

doi: 10.1103/PhysRevC.48.2093
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1992BA12      Nucl.Phys. A539, 370 (1992)

D.Bandyopadhyay, S.K.Samaddar, R.Saha, J.N.De

Fusion Limited by Temperature

NUCLEAR REACTIONS 27Al(40Ar, X), 58Ni(35Cl, X), 40Ca(40Ca, X), E ≈ 5-50 MeV/nucleon; calculated fusion σ(E); deduced temperature dependence.

doi: 10.1016/0375-9474(92)90275-O
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1992KR09      Nucl.Phys. A542, 159 (1992)

K.Krishan, S.Bhattacharya, J.N.De, S.K.Samaddar

Distribution of Angular Momentum in Incomplete Fusion Reaction

NUCLEAR REACTIONS 27Al(84Kr, X), E=20, 30 MeV/nucleon; calculated prompt particle average number vs incident L, incompletely fused composites mass, excitation energy, angular momentum distribution. Dynamic trajectory model, particle exchange dissipation, Monte Carlo simulation technique.

doi: 10.1016/0375-9474(92)90404-8
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1992SA24      Phys.Rev. C46, 2631 (1992)

S.K.Samaddar, J.N.De, D.Sperber

Realistic Estimate of Incomplete Fusion Excitation Function in Nucleus-Nucleus Collisions

NUCLEAR REACTIONS 200Hg, 40Ca(40Ca, X), E ≤ 60 MeV/nucleon; calculated fusion σ(E). 200Hg(40Ca, X), E ≤ 40 MeV/nucleon; calculated hot residues mass, charge vs E, hot composite maximum angular momentum vs E. Promptly emitted particles model.

doi: 10.1103/PhysRevC.46.2631
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1991DE29      Nucl.Phys. A534, 294 (1991)

J.N.De, D.Bandyopadhyay, S.K.Samaddar, N.Rudra

Stability Against Nucleon Dripping in Hot Nuclei

NUCLEAR STRUCTURE N=126; calculated isotone limiting temperature. Z=10-80; calculated n, p drip lines vs temperature. Thermodynamic model, metastable equilibrium.

doi: 10.1016/0375-9474(91)90499-V
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1991MA29      J.Phys.(London) G17, 1387 (1991)

M.M.Majumdar, B.C.Samanta, S.K.Samaddar

Energy-Dependent Nucleus-Nucleus Potential with the Paris Interaction

NUCLEAR REACTIONS 16O, 40Ca, 109Ag, 208Pb(16O, 16O), 40Ca, 208Pb(40Ca, 40Ca), 208Pb, 109Ag(109Ag, 109Ag), 208Pb(208Pb, 208Pb), E not given; calculated nucleus-nucleus potential parameters; deduced energy dependence. Energy density formalism, frozen density approximation.

doi: 10.1088/0954-3899/17/9/012
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1990BA17      Nucl.Phys. A511, 1 (1990)

D.Bandyopadhyay, C.Samanta, S.K.Samaddar, J.N.De

Thermostatic Properties of Finite and Infinite Nuclear Systems

NUCLEAR STRUCTURE A=50-200; calculated limiting temperature vs mass number.

doi: 10.1016/0375-9474(90)90024-G
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1990MA18      J.Phys.(London) G16, 713 (1990)

M.M.Majumdar, B.C.Samanta, S.K.Samaddar

Effect of Isobar on Nucleus-Nucleus Potential

NUCLEAR REACTIONS 40Ca(40Ca, 40Ca), 109Ag(109Ag, 109Ag), 208Pb(208Pb, 208Pb), E not given; calculated Woods-Saxon potential parameters. Lowest order Brueckner theory, effective interaction with, without isobar.

doi: 10.1088/0954-3899/16/5/008
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1989BH03      Phys.Rev.Lett. 62, 2589 (1989)

S.Bhattacharya, J.N.De, K.Krishan, S.K.Samaddar

Role of Two-Body Collisions in Limiting Momentum Transfer and Energy Deposition in Nucleus-Nucleus Collisions

NUCLEAR REACTIONS 40Ca(14N, X), 56Fe(20Ne, X), 90Zr(32S, X), E=10-50 MeV/nucleon; calculated linear momentum transfer, temperature vs E. Promptly emitted particle model.

doi: 10.1103/PhysRevLett.62.2589
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1989KR04      Nucl.Phys. A495, 65c (1989)

K.Krishan, S.Bhattacharya, J.N.De, S.K.Samaddar

Saturation of Energy Deposition and Linear Momentum Transfer in Heavy Ion Collisions

NUCLEAR REACTIONS 56Fe(20Ne, X), 90Zr(32S, X), 40Ca(14N, X), E ≤ 10 MeV/nucleon; calculated fractional linear momentum transfer vs E. Prompt emission model.

doi: 10.1016/0375-9474(89)90308-4
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1988BA43      Nucl.Phys. A484, 315 (1988)

D.Bandyopadhyay, S.K.Samaddar

Energy Dependent Potential in Nuclear Collisions

NUCLEAR REACTIONS 16O(16O, 16O), E=0-70 MeV/nucleon; 208Pb(208Pb, 208Pb), E=0-60 MeV/nucleon; 208Pb, 12C(16O, 16O), 12C(12C, 12C), E=20-90 MeV/nucleon; calculated potential parameters. 27Al(32S, X), E(cm) ≈ 30-200 MeV; 109Ag(40Ar, X), E(cm) ≈ 100-500 MeV; calculated fusion σ(E). Modified Seyler-Blanchard two-body effective interaction.

doi: 10.1016/0375-9474(88)90075-9
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1988BA65      Nucl.Phys. A487, 175 (1988)

A.K.Banerjee, B.C.Samanta, S.K.Samaddar

Large-Scale Collective Motion in Heavy-Ion Collisions

NUCLEAR REACTIONS, ICPND 28Si(28Si, X), E(cm) ≈ 30-100 MeV; 40Ca(40Ca, X), E(cm) ≈ 60-200 MeV; calculated fusion σ(E). Classical dynamical model.

doi: 10.1016/0375-9474(88)90135-2
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1988BH06      Phys.Rev. C37, 2916 (1988)

S.Bhattacharya, K.Krishan, S.K.Samaddar, J.N.De

Realistic Estimates for Promptly Emitted Particles

NUCLEAR REACTIONS 165Ho(20Ne, xn), E=220, 292, 402 MeV; 165Ho(12C, xn), E=300 MeV; calculated promptly emitted multiplicities.

doi: 10.1103/PhysRevC.37.2916
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1988KR13      J.Phys.(London) G14, 1423 (1988)

K.Krishan, S.K.Samaddar, J.N.De

Spin Dispersion and Alignment in Deep Inelastic Collisions

NUCLEAR REACTIONS 209Bi(86Kr, X), E=610 MeV; 238U(86Kr, X), E=730 MeV; 154Sm(32S, X), E=214 MeV; calculated fragment angular momentum gain vs incident L, spin variances vs energy loss. Stochastic nucleon exchange model.

doi: 10.1088/0305-4616/14/11/013
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1987BA57      Phys.Lett. 196B, 424 (1987)

D.Bandopadhyay, S.K.Samaddar, K.Krishan, J.N.De

Spectator Recoil and Nucleon Emission Spectra in Intermediate-Energy Nuclear Collisions

NUCLEAR REACTIONS 124Sn(40Ar, X), E=44 MeV/nucleon; 197Au(12C, X), E=85 MeV/nucleon; calculated σ(E(p), θ(p)), σ(fragment θ, E), X(A)=70-130. Hot-zone model.

doi: 10.1016/0370-2693(87)90794-5
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1987SA42      J.Phys.(London) G13, L223 (1987)

S.K.Samaddar, A.K.Banerjee, B.C.Samanta

Shape Evolution in Collision between very Heavy Ions and Potential Pockets

NUCLEAR REACTIONS 238U(238U, X), E=700, 800 MeV; 208Pb(208Pb, X), E=650 MeV; calculated composite system shape features. Classical dynamical model.

doi: 10.1088/0305-4616/13/10/001
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1987SA43      J.Phys.(London) G13, L231 (1987)

S.K.Samaddar, K.Krishan, J.N.De

Role of Barrier on Spin Orientation in Nucleus-Nucleus Collisions

NUCLEAR REACTIONS 209Bi(86Kr, X), E=610 MeV; calculated fragment spin orientation. Stochastic nucleon exchange model.

doi: 10.1088/0305-4616/13/10/002
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1986BH08      Z.Phys. A325, 79 (1986)

S.Bhattacharyya, J.N.De, S.K.Samaddar, K.Krishan

Mass and Charge Distributions with Correlated Exchange

NUCLEAR REACTIONS 56Fe(56Fe, X), 166Er, 139La(86Kr, X), E not given; calculated energy loss-mass variance correlation, inclusive variances isospin correlation coefficient dependence. Correlated nucleon exchange model.


1986SA01      Nucl.Phys. A451, 160 (1986)

S.K.Samaddar, M.M.Majumdar, B.C.Samanta, J.N.De

Vacuum Polarization and the Nuclear Mass Formula

NUCLEAR REACTIONS 109Ag(109Ag, X), E(cm) ≈ 227-237 MeV; calculated fusion σ(E); deduced vacuum polarization role.

doi: 10.1016/0375-9474(86)90249-6
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1985BA13      Phys.Lett. 153B, 213 (1985)

A.K.Banerjee, B.C.Samanta, S.K.Samaddar

Charge Polarization in Heavy-Ion Collisions

NUCLEAR REACTIONS 58Ni(58Ni, X), 120Sn(120Sn, X), 238U(238U, X), E not given; calculated charge polarization potential vs separation distance. Droplet model, adiabatic approximation.

doi: 10.1016/0370-2693(85)90533-7
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1985DE44      Nucl.Phys. A445, 173 (1985)

J.N.De, K.Krishan, S.K.Samaddar

The Effect of the Shell Gap in Strongly Damped Collisions

NUCLEAR REACTIONS 209Bi(56Fe, X), E=465 MeV; 144Sm(144Sm, X), E=6.95 MeV/nucleon; 209Bi(136Xe, X), E=940 MeV; 208Pb(208Pb, X), E=7.6 MeV/nucleon; calculated fragment charge variance energy dependence. 238U, 165Ho(56Fe, X), E=465 MeV; calculated fragment energy loss, charge variance correlation.

doi: 10.1016/0375-9474(85)90367-7
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1985SA08      Phys.Rev. C31, 1053 (1985)

S.K.Samaddar, J.N.De, K.Krishan

Thermal Equilibrium in Strongly Damped Collisions

NUCLEAR REACTIONS 238U, 165Ho(56Fe, X), E=465 MeV; calculated fragment charge centroids, variances, energy division. Nucleon exchange model, Monte-Carlo simulation.

doi: 10.1103/PhysRevC.31.1053
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1984DE41      J.Phys.(London) G10, L257 (1984)

J.N.De, K.Krishan, S.K.Samaddar

The Mass and Charge Variances in Sm + Sm Collisions

NUCLEAR REACTIONS 154Sm(154Sm, X), E=970 MeV; 144Sm(144Sm, X), E=1000 MeV; calculated charge, mass variances.

doi: 10.1088/0305-4616/10/2/016
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1982DE01      Phys.Rev.Lett. 48, 81 (1982)

J.N.De, S.K.Samaddar, K.Krishan

Role of Stochastic Transfer of Nucleons for Angular Momentum Misalignment in Nuclear Collisions

NUCLEAR REACTIONS 238U(86Kr, X), E=730 MeV; calculated target angular momentum gain, alignment factor vs (L), energy loss. Stochastic nucleon transfer, Pauli effect.

doi: 10.1103/PhysRevLett.48.81
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1982SA06      Phys.Scr. 25, 517 (1982)

S.K.Samaddar, D.Sperber, M.Zielinska-Pfabe, M.I.Sobel

Role of Thermal Fluctuations in a Classical Dynamical Model for Fission

RADIOACTIVITY, Fission 252Cf(SF); calculated fragment yields, total kinetic energy vs mass, mass, energy distribution moments; deduced thermal fluctuations role. Dynamical model.

doi: 10.1088/0031-8949/25/4/005
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1982SA14      Z.Phys. A306, 307 (1982)

S.K.Samaddar, B.C.Samanta, D.Sperber, M.Zielinska-Pfabe

Dynamical Model for Neck Formation in the Entrance Channel of a Heavy Ion Collision

NUCLEAR REACTIONS 40Ca(40Ca, X), E=186, 266, 506 MeV; 16O(16O, X), E=52, 84, 180 MeV; 84Kr(84Kr, X), E=460, 628, 1132 MeV; 208Pb(208Pb, X), E=1676, 2092, 3340 MeV; calculated neck radius vs L, E, mass, charge. Classical dynamical model.

doi: 10.1007/BF01432371
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1981MO01      Phys.Lett. 98B, 240 (1981)

P.Mooney, W.W.Morison, S.K.Samaddar, D.Sperber, M.Zielinska-Pfabe

Nucleon Spectra in Heavy Ion Collision Prior to Equilibrium

NUCLEAR REACTIONS 197Au(16O, p), E=315 MeV; 197Au(6Li, p), E=74.8 MeV; calculated σ(Ep, θ); deduced prompt, interface localized emission components. Fermi gas model, convection hot spot preequilibrium decay.

doi: 10.1016/0370-2693(81)90005-8
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1981MO04      Phys.Lett. 99B, 205 (1981)

W.W.Morison, S.K.Samaddar, D.Sperber, M.Zielinska-Pfabe

A Classical Dynamical Model for Fusion and Incomplete Fusion in Heavy Ion Collisions

NUCLEAR REACTIONS 159Tb(14N, α), (14N, 5He), (14N, 6He), (14N, 5Li), (14N, 6Li), (14N, 7Li), (14N, 8Li), (14N, 7Be), (14N, 8Be), (14N, 9Be), (14N, 10Be), (14N, 10B), (14N, 11B), (14N, 12B), (14N, 11C), (14N, 12C), (14N, 13C), E=140 MeV; calculated σ(θ), σ(fusion), σ(incomplete fusion) vs incident L. Classical dynamical model, random single particle transfer.

doi: 10.1016/0370-2693(81)91108-4
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1981SA02      Phys.Lett. 98B, 340 (1981)

S.K.Samaddar, D.Sperber, M.Zielinska-Pfabe

Role of Single Particle Transfer in Heavy Ion Fusion

NUCLEAR REACTIONS 27Al(16O, X), E=50, 80, 160, 120 MeV; 109Ag(40Ar, X), E=175, 250, 450 MeV; calculated σ(fusion, E); deduced energy dependence of nucleon transfer effects. Classical dynamical model, random single particle transfer.

doi: 10.1016/0370-2693(81)90920-5
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1981SA03      Phys.Rev. C23, 760 (1981)

S.K.Samaddar, D.Sperber, M.Zielinska-Pfabe, M.I.Sobel, S.I.A.Garpman

Thermal Flucatuations in a Classical Theory with Shape Degrees of Freedom for Heavy Ion Collisions

NUCLEAR REACTIONS 209Bi(136Xe, X), E=1130 MeV; 209Bi(84Kr, X), E=600 MeV; 197Au(63Cu, X), E=443 MeV; calculated σ(fragment θ, E, mass, Z), deflection, function, second moments for energy loss, deflection function, fragment mass. Classical dynamical model, Fokker-Planck equation.

doi: 10.1103/PhysRevC.23.760
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1981SA11      Phys.Scr. 23, 231 (1981)

S.K.Samaddar, A.Sherman, D.Sperber, M.Zielinska-Pfabe, J.N.De

The Role of Deformation, Thermal Fluctuations and Single Particle Transfer in Strongly Damped Collisions

NUCLEAR REACTIONS 209Bi(136Xe, X), E=1130 MeV; 209Bi(84Kr, X), E=600 MeV; calculated σ(fragment Z), deflection function, final kinetic energy vs incident L, σ(fragment θ); deduced role of deformation, thermal fluctuations, single particle transfer. Dynamical model, strongly damped collisions.

doi: 10.1088/0031-8949/23/3/003
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1980MO15      Phys.Lett. 93B, 379 (1980)

W.W.Morison, S.K.Samaddar, D.Sperber, M.Zielinska-Pfabe

Nucleon Emission from the Interface of Two Colliding Heavy Ions

NUCLEAR REACTIONS 197Au(16O, p), (16O, n), E=315 MeV; calculated σ(θp, Ep), σ(θn, En). Contact point hot region model.

doi: 10.1016/0370-2693(80)90347-0
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1979SA33      Phys.Lett. 88B, 43 (1979)

S.K.Samaddar, M.I.Sobel

Classical Dynamical Model with Shape Degrees of Freedom for Fusion of Heavy Nuclei

NUCLEAR REACTIONS Cl(Ni, X), E(cm)=200 MeV; Ag(Ar, X), E(cm)=250 MeV; calculated fission σ. Classical dynamical model, one body dissipation.

doi: 10.1016/0370-2693(79)90109-6
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1979SA36      Nucl.Phys. A332, 210 (1979)

S.K.Samaddar, M.I.Sobel, J.N.De, S.I.A.Garpman, D.Sperber, M.Zielinska-Pfabe, S.Moller

A Classical Dynamical Model with Shape Deformation for Strongly Damped Collisions

NUCLEAR REACTIONS 209Bi(136Xe, X), E=1130 MeV; 209Bi(84Kr, X), E=600 MeV; calculated scattering angle, energy loss, mass transfer. Classical dynamical model, damped HI collisions.

doi: 10.1016/0375-9474(79)90106-4
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1976MU07      Progr.Theor.Phys. 55, 482 (1976)

S.Mukherjee, S.Ray, S.K.Samaddar

A Model for (d, p) and (p, d) Reactions

NUCLEAR REACTIONS 208Pb(p, d), E=22 MeV; 40Ca(p, d), E=30.5 MeV; 54Fe(d, p), E=23 MeV; calculated σ(θ).

doi: 10.1143/PTP.55.482
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1971SA25      Nucl.Phys. A177, 598 (1971)

S.K.Samaddar, S.Mukherjee

Non-Local Optical Potential for Composite Particles

NUCLEAR REACTIONS Ti, 48Ti, Ni, Zn(d, d), E=11-22 MeV; calculated σ(θ). Ti, Ni(3He, 3He), E=12, 29 MeV; calculated σ(θ). Nonlocal optical potential.

doi: 10.1016/0375-9474(71)90310-1
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