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NSR database version of May 3, 2024.

Search: Author = S.K.Biswal

Found 13 matches.

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2021BI05      Can.J.Phys. 99, 312 (2021)

S.K.Biswal, S.K.Singh, M.Bhuyan, R.N.Panda, S.K.Patra

A bridge between finite and infinite nuclear matter

NUCLEAR STRUCTURE ⁴⁰P, ⁴⁰S, ⁴⁰Ca, ^{112,116,120,124}Sn, ²⁰⁸Pb; calculated binding energies from nuclear matter equation of state (EOS). Comparison with available data.

doi: 10.1139/cjp-2020-0104
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2020BI13      Nucl.Phys. A1004, 122042 (2020)

S.K.Biswal, M.K.Abu El Sheikh, N.Biswal, N.Yusof, H.A.Kassim, S.K.Patra, M.Bhuyan

Nuclear matter properties of finite nuclei using relativistic mean field formalism

NUCLEAR STRUCTURE N=20, 40, 82, 126; analyzed available data; calculated variation of the symmetry energy with density in the symmetric nuclear matter, symmetry energy for N = 20, 40, 82, 126, and 172 (predicted) isotonic chains as a function of neutron skin-thickness as calculated using the RMF model.

doi: 10.1016/j.nuclphysa.2020.122042
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2020LO04      Eur.Phys.J. A 56, 32 (2020)

O.Lourenco, M.Dutra, C.H.Lenzi, S.K.Biswal, M.Bhuyan, D.P.Menezes

Consistent Skyrme parametrizations constrained by GW170817

doi: 10.1140/epja/s10050-020-00040-z
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2020ZH08      Phys.Rev. C 101, 034303 (2020)

Y.Zhang, M.Liu, C.-J.Xia, Z.Li, S.K.Biswal

Constraints on the symmetry energy and its associated parameters from nuclei to neutron stars

NUCLEAR REACTIONS ^112,124Sn(¹²⁴Sn, X), (¹¹²Sn, X), E=35, 50 MeV/nucleon; analyzed symmetry energy and related set of 22 nuclear matter parameters by comparing the isospin diffusion data to transport model calculations in five-dimensional parameter space. ²⁰⁸Pb; calculated neutron skin of ²⁰⁸Pb using the deduced nuclear matter parameter set and the restricted density variational (RDV) method. Calculated properties of a neutron star, such as the tidal deformability and maximum mass, and compared with the current constraints.

doi: 10.1103/PhysRevC.101.034303
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2017KU01      Phys.Rev. C 95, 015801 (2017)

B.Kumar, S.K.Biswal, S.K.Patra

Tidal deformability of neutron and hyperon stars within relativistic mean field equations of state

doi: 10.1103/PhysRevC.95.015801
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2016IK02      Int.J.Mod.Phys. E25, 1650103 (2016)

M.Ikram, Asloob A.A.Rather, B.Kumar, S.K.Biswal, S.K.Patra

Quest for magicity in hypernuclei

NUCLEAR STRUCTURE ^16,17O, ^40,41,48,49Ca, ^56,57Ni, ^90,91Zr, ^{124,125,132,133}Sn, ^208,209Pb, ^{292,293,304,305,378,379}120; calculated binding energies, charge and matter radii, separation energy for hypernuclei; deduced magic numbers.

doi: 10.1142/S0218301316501032
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2016KU04      Int.J.Mod.Phys. E25, 1650020 (2016)

B.Kumar, S.K.Biswal, S.K.Singh, C.Lahiri, S.K.Patra

Modes of decay in neutron-rich nuclei

NUCLEAR STRUCTURE ²⁰⁸Pb, ^{232,234,236,238,240,254,256,258}Th, ^{230,232,234,236,248,250,252,254,256}U; calculated matter density distributions.

RADIOACTIVITY ^216,232,254Th, ^218,238,256U(α); calculated penetrability parameter using WKB approximation, T_1/2. Comparison with available data.

doi: 10.1142/S0218301316500208
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2016LA05      Int.J.Mod.Phys. E25, 1650015 (2016)

C.Lahiri, S.K.Biswal, S.K.Patra

Effects of NN potentials on p Nuclides in the A ∼ 100-120 region

NUCLEAR STRUCTURE A = 100-120; calculated S-factors, astrophysical reaction rates using microscopical optical model potential with the Hauser-Feshbach reaction code TALYS. Comparison with experimental data.

doi: 10.1142/S0218301316500154
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2015IK01      Int.J.Mod.Phys. E24, 1550019 (2015)

M.Ikram, S.K.Singh, S.K.Biswal, S.K.Patra

Effects of isovector scalar δ-meson on Λ-hypernuclei

NUCLEAR STRUCTURE ⁶H, ^7,8He, ⁷Li, ⁹Be, ¹⁰B, ¹⁶N, ¹⁶O, ²⁸Si, ³²S, ⁴⁰Ca, ⁵¹V, ⁸⁹Y, ¹³⁹La, ²⁰⁸Pb; calculated hypernuclei binding energies, rms radii, orbitals, spin-orbit potentials. Comparison with available data.

doi: 10.1142/S0218301315500196
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2015KU28      Phys.Rev. C 92, 054314 (2015)

B.Kumar, S.K.Biswal, S.K.Singh, S.K.Patra

Examining the stability of thermally fissile Th and U isotopes

NUCLEAR STRUCTURE ^{216,218,220,222,224,226,228,230,232,234,236,238}U, ^{216,218,220,222,224,226,228,230,232,234,236,238,240}Th; calculated binding energies, charge radii, quadrupole deformation parameter β₂, potential energy surfaces. Relativistic mean-field theory (RMF) with axially deformed basis. Pairing correlations. Comparison with finite-range droplet model (FRDM) calculations, and with available experimental values. ²³²Th, ²³⁶U; calculated single-particle energy levels as function of quadrupole deformation parameter.

RADIOACTIVITY ^{222,224,226,228,230,232,234,236,238,240,242}U, ^{216,218,220,222,224,226,228,230,232,234,236,238}Th(α); calculated Q(α) and half-lives. ^{244,246,248,250,252,254,256,258,260,262,264,266,268,270}Th, ^{240,242,244,246,248,250,252,254,256,258,260,262,264,266,268}U(β^-); calculated half-lives. ^{228,230,232,234}Th, ^{232,234,236,238,240}Th(SF); calculated fission barriers. Relativistic mean-field (RMF) theory. Comparison with other theoretical calculations, and with available experimental values.

doi: 10.1103/PhysRevC.92.054314
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2014BI06      Int.J.Mod.Phys. E23, 1450017 (2014)

S.K.Biswal, M.Bhuyan, S.K.Singh, S.K.Patra

Search of double shell closure in the superheavy nuclei using a simple effective interaction

NUCLEAR STRUCTURE ²⁵⁸Md, ^258,261Rf, ^259,260Db, ^260,261Sg, ^264,265Hs, ²⁶⁹Ds, ^{285,286,287,288,289}Fl, ²⁰⁸Pb, ²⁹⁸Fl, ³⁰⁴120, ³¹⁰126; calculated binding energies, ground state densities, two-neutron separation energies, pairing gap, single particle energy levels. Simple effective interaction, comparison with available data.

doi: 10.1142/S0218301314500177
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2014SA19      Phys.Rev. C 89, 034614 (2014)

B.B.Sahu, S.K.Singh, M.Bhuyan, S.K.Biswal, S.K.Patra

Importance of nonlinearity in the NN potential

NUCLEAR STRUCTURE ²⁰Ne, ³⁸Ar, ⁶⁶Zn, ⁹⁰Zr, ¹⁰⁵Sb, ¹¹²Cs, ¹¹⁴Cd, ¹⁴⁴Sm, ¹⁴⁷Tm, ¹⁹⁸Hg, ²³⁸U; calculated ground state binding energies, charge radii, and quadrupole deformation parameter using SH, L1 and NL3 interactions, and compared with experimental data. ¹⁶O, ²⁰⁸Pb, ²⁷⁰Ds; calculated binding energy from different fields of RMF Hamiltonian density with NL3 force, and compared with experimental data.

RADIOACTIVITY ¹⁰⁵Sb, ¹⁰⁹I, ^112,113Cs, ¹¹⁷La, ¹³¹Eu, ^140,141Ho, ^145,146,147Tm(p); calculated half-lives of proton emitters. Relativistic mean field theory (RMFT) with nonlinear self-coupling of the scalar meson field using NR3Y+EX, M3Y+EX and LR3Y+EX nucleon-nucleon interactions. Comparison with experimental data.

doi: 10.1103/PhysRevC.89.034614
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2014SI10      Phys.Rev. C 89, 044001 (2014)

S.K.Singh, S.K.Biswal, M.Bhuyan, S.K.Patra

Effects of δ mesons in relativistic mean field theory

doi: 10.1103/PhysRevC.89.044001
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