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NSR database version of April 26, 2024.

Search: Author = S.K.Ghorui

Found 15 matches.

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2023RO06      Appl.Radiat.Isot. 199, 110863 (2023)

A.Rohilla, J.G.Wang, G.S.Li, S.K.Ghorui, X.H.Zhou, M.L.Liu, Y.H.Qiang, S.Guo, Y.D.Fang, B.Ding, W.Q.Zhang, S.Huang, Y.Zheng, T.X.Li, W.Hua, H.Cheng

Occupancy of orbitals and the quadrupole collectivity in ⁴⁵Sc nucleus

NUCLEAR REACTIONS ¹²C(³⁶Ar, 3p)⁴⁵Sc, E=145 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, partial level scheme, negative parity yrast band, B(E2), lifetimes. Comparison with large-scale shell model calculations, involving different interactions like: GX1A, GX1J, FPD6, KB3 and ZBM2. KB3 and FPD6 interactions. Doppler Shift Attenuation method (DSAM). The Heavy Ion Research Facility in Lanzhou (HIRFL), China.

doi: 10.1016/j.apradiso.2023.110863
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Data from this article have been entered in the XUNDL database. For more information, click here.

2021MI02      Astrophys.J.Suppl.Ser. 252, 2 (2021)

G.W.Misch, S.K.Ghorui, P.Banerjee, Y.Sun, M.R.Mumpower

Astromers: Nuclear Isomers in Astrophysics

RADIOACTIVITY ²⁶Al, ³⁴Cl, ⁸⁵Kr, ¹²¹Sn(IT), ^{121,123,125,127}Sn, ¹²⁸Sb, ¹⁷⁰Ho, ¹⁷⁶Lu, ¹⁸²Hf(IT), ⁵⁸Mn, ¹¹³Cd(β^-); calculated thermally mediated transition rates between the ground state and long-lived isomers in nuclei; deduced delimiting a thermalization temperature above which a nucleus may be considered a single species and below which it must be treated as two separate species: a ground-state species and an astrophysical isomer ("astromer") species.

doi: 10.3847/1538-4365/abc41d
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2021RO03      Nucl.Phys. A1006, 122116 (2021)

A.Rohilla, G.S.Li, Y.H.Qiang, M.L.Liu, X.H.Zhou, J.G.Wang, S.Guo, B.Ding, W.Q.Zhang, S.Huang, Y.Zheng, Y.D.Fang, S.K.Ghorui, T.X.Li, W.Hua, H.Cheng

Quadrupole coherence enhancement in ⁴⁶Ti: Mixing of f_7/2 and p_3/2 orbital

NUCLEAR REACTIONS ¹²C(³⁶Ar, 2p), E=145 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced γ-ray energies, J, π, level lifetimes, B(E2). Doppler Shift Attenuation Method (DSAM). Heavy Ion Research Facility in Lanzhou (HIRFL), China.

doi: 10.1016/j.nuclphysa.2020.122116
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2020WA31      Phys.Rev. C 102, 054316 (2020)

H.K.Wang, S.K.Ghorui, Z.Q.Chen, Z.H.Li

Analysis of low-lying states, neutron-core excitations, and electromagnetic transitions in tellurium isotopes ^130-134Te

NUCLEAR STRUCTURE ^{130,131,132,133,134}Te; calculated levels, J, π, neutron-core excitations (NCEs), percentage configurations as a function of spin, B(E2), B(M1), B(E1), B(M2), B(E3), B(M4). Large-scale shell-model calculations with the extended pairing plus multipole-multipole force (EPQQM model). Comparison with experimental data.

doi: 10.1103/PhysRevC.102.054316
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2019KA19      Nucl.Phys. A986, 107 (2019)

K.Kaneko, Y.Sun, T.Mizusaki, D.G.Jenkins, S.K.Ghorui, S.Tazaki

Large mirror asymmetry in Gamow-Teller β-decay in the A=26 isobaric multiplet

RADIOACTIVITY ²⁶Na, ²⁷Mg, ²⁸Al(β^-), ^26,27,28P(β⁺), (EC); compiled experimental mirror asymmetry δ from the ft data for mirror nuclei of A=17-35; deduced large mirror asymmetry between ²⁶P and ²⁶Na; calculated ft, mirror asymmetry in GT β-decay using large-scale shell model including Isospin-NonConserving (INC) forces with introduced T=1, J NOT= 0 INC forces deduced good agreement to the data, whereas usual J=0 INC force does not work. Calculations compared with available data.

doi: 10.1016/j.nuclphysa.2019.03.002
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2018BA23      Phys.Rev. C 97, 065807 (2018)

P.Banerjee, G.W.Misch, S.K.Ghorui, Y.Sun

Effective stellar β-decay rates of nuclei with long-lived isomers: ²⁶Al and ³⁴Cl

RADIOACTIVITY ²⁶Al, ³⁴Cl(β⁺), (IT); calculated effective β-decay, and electromagnetic transition rates for ground states, isomeric states, and several low-spin excited states up to about 2.5 MeV at temperatures suitable for stellar environments; deduced time evolution of ²⁶Al abundance. Calculations used NUSHELLX and OXBASH shell model codes with USDB interaction. Comparison with available experimental values from the ENSDF database, and with other theoretical calculations.

doi: 10.1103/PhysRevC.97.065807
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2018GH08      Eur.Phys.J. A 54, 163 (2018)

S.K.Ghorui, C.R.Praharaj

Systematic study of high-K isomers in the midshell Gd and Dy nuclei

doi: 10.1140/epja/i2018-12596-0
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2018WA09      Phys.Rev. C 97, 044302 (2018)

L.-J.Wang, Y.Sun, S.K.Ghorui

Shell-model method for Gamow-Teller transitions in heavy deformed odd-mass nuclei

RADIOACTIVITY ⁸³Zr(β^-), (β⁺); calculated Gamow-Teller (GT) transition rates from the first 1/2- state to all the 1/2- and 3/2- states of ⁸³Nb and ⁸³Y. ¹⁵³Nd(β^-); calculated Gamow-Teller (GT) transition rates from 3/2- states and 5/2+ isomeric state of ¹⁵³Nd to excited states of ¹⁵³Pm. ¹⁵³Pm; calculated levels, J, π, logft, configurations. Projected shell model (PSM) for calculating GT strength, with Pfaffian formula for multi-quasiparticle configurations. Comparison with experimental results.

NUCLEAR STRUCTURE ¹⁵³Nd, ¹⁵³Pm; calculated levels, J, π, yrast band, transition energies based on 5/2+ isomer in ¹⁵³Nd, configurations. Projected shell model (PSM). Comparison with experimental data.

doi: 10.1103/PhysRevC.97.044302
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2017WA45      Phys.Rev. C 96, 054313 (2017)

H.-K.Wang, S.K.Ghorui, K.Kaneko, Y.Sun, Z.H.Li

Large-scale shell-model study for excitations across the neutron N=82 shell gap in ^131-133Sb

NUCLEAR STRUCTURE ^131,132,133Sb; calculated levels, J, π, cross-shell excitations, configurations, effects of monopole corrections, B(M1), B(E2), B(M2), B(E3), B(M4). Large-scale shell-model calculations with extended paring plus quadrupole-quadrupole force, with additions of monopole corrections (EPQQM model). Comparison with experimental data taken from the ENSDF database.

doi: 10.1103/PhysRevC.96.054313
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2017WU01      Nucl.Phys. A957, 208 (2017)

X.-Y.Wu, S.K.Ghorui, L.-Ju.Wang, K.Kaneko, Y.Sun

Systematical study of high-spin rotational bands in neutron-deficient Kr isotopes by the extended projected shell model

NUCLEAR STRUCTURE ^{72,74,76,78,80}Kr; calculated levels, J, π, rotational bands, yrast band, high spin, moments of inertia vs spin for positive and negative parity bands, B(E2) using extended projected shell model. Compared with available data.

doi: 10.1016/j.nuclphysa.2016.09.003
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2017WU09      Phys.Rev. C 95, 064314 (2017)

X.Y.Wu, S.K.Ghorui, L.-J.Wang, Y.Sun, M.Guidry, P.M.Walker

Systematic study of multi-quasiparticle K-isomeric bands in tungsten isotopes by the extended projected shell model

NUCLEAR STRUCTURE ^{174,176,178,180,182,184,186}W; calculated levels, J, π, K-isomeric bands, bandhead energies, two- and multi-particle Nilsson configurations, moment of inertia plots, B(E2), B(M1), B(M1)/B(E2), g factors. Comparison with experimental data.

doi: 10.1103/PhysRevC.95.064314
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2016WA07      Phys.Rev. C 93, 034322 (2016)

L.-J.Wang, Y.Sun, T.Mizusaki, M.Oi, S.K.Ghorui

Reduction of collectivity at very high spins in ¹³⁴Nd: Expanding the projected-shell-model basis up to 10-quasiparticle states

NUCLEAR STRUCTURE ¹³⁴Nd; calculated levels, J, K, π, bands, B(E2), configurations, moment of inertia of yrast band using projected shell model expanded to include up to 10-qp states. Comparison with experimental data.

doi: 10.1103/PhysRevC.93.034322
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2014GH04      Pramana 82, 659 (2014)

S.K.Ghorui, C.R.Praharaj

Deformed configurations, band structures and spectroscopic properties of N = 50 Ge and Se nuclei

NUCLEAR STRUCTURE ⁸²Ge, ⁸⁴Se; calculated bands, energy levels, J, π, B(E2). Deformed HF with quadrupole constraint and angular momentum projection, comparison with experimental data.

doi: 10.1007/s12043-014-0714-9
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2012GH05      Phys.Rev. C 85, 064327 (2012)

S.K.Ghorui, B.B.Sahu, C.R.Praharaj, S.K.Patra

Examining the stability of Sm nuclei around N = 100

NUCLEAR STRUCTURE ^{150,152,154,156,158,160,162,164}Sm; calculated binding energies, levels, J, π, B(E2), rms charge radius, quadrupole moment, total density distribution, quadrupole deformation parameter, prolate deformed HF neutron and proton orbits. Deformed Hartree-Fock, Skyrme Hartree-Fock+BCS, and relativistic mean-field calculations. Comparison with experimental data. Island of stability near the neutron drip line for N=100, Z AP 62.

doi: 10.1103/PhysRevC.85.064327
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2012GH07      Int.J.Mod.Phys. E21, 1250070 (2012)

S.K.Ghorui, P.K.Raina, P.K.Rath, A.K.Singh, Z.Naik, S.K.patra, C.R.Praharaj

Rotational bands and electromangnetic transitions of some even-even neodymium nuclei in projected Hartree-Fock model

NUCLEAR STRUCTURE ^{150,152,154,156,158,160}Nd; calculated level energies, J, π, quadrupole moments, deformation parameters, B(E2), K-isomer bands. Self-consistent Hartree-Fock and angular momentum projection model.

doi: 10.1142/S021830131250070X
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