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NSR database version of April 26, 2024.

Search: Author = P.Choudhary

Found 9 matches.

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2024CH16      Eur.Phys.J. A 60, (2024)

P.Choudhary, U.Raha, F.Myhrer, D.Chakrabarti

Analytical evaluation of elastic lepton-proton two-photon exchange in chiral perturbation theory

doi: 10.1140/epja/s10050-023-01207-0
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2023CH01      Nucl.Phys. A1029, 122565 (2023)

P.Choudhary, P.C.Srivastava

Ab initio no-core shell model study of neutron-rich ^{18, 19, 20}C isotopes

NUCLEAR STRUCTURE ^18,19,20C; calculated ground state energy and point-proton radii, B(E2), B(M1), nuclear magnetic moments using the ab initio no-core shell model approach with charge-dependent Bonn 2000 (CDB2K), inside non-local outside Yukawa (INOY) and chiral next-to-next-to-next-to-leading order (N3LO) nucleon-nucleon interactions. Comparison with available data.

doi: 10.1016/j.nuclphysa.2022.122565
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2023CH04      Phys.Rev. C 107, 014309 (2023)

P.Choudhary, P.C.Srivastava, M.Gennari, P.Navratil

Ab initio no-core shell-model description of ^10-14C isotopes

NUCLEAR STRUCTURE ^{10,11,12,13,14}C; calculated levels, J, π, ground state energy, quadrupole moment, magnetic moment, B(E2), B(M1), point-proton radii, proton and neutron ground-state densities. Ab initio no-core shell-model with CDB2K, INOY, N³LO, and N²LO_opt NN interactions. Comparison to experimental data.

doi: 10.1103/PhysRevC.107.014309
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2023CH17      Nucl.Phys. A1033, 122629 (2023)

P.Choudhary, P.C.Srivastava

Nuclear structure properties of Si and P isotopes with the microscopic effective interactions

NUCLEAR STRUCTURE ^{23,24,25,26,27,28,29,30,31,32,33,34}Si, ^{24,25,26,27,28,29,30,31,32,33,34,35}P; calculated energy levels, J, π, using the microscopic effective valence shell interactions, namely, N3LO, JISP16 and DJ16A. Comparison with available data.

doi: 10.1016/j.nuclphysa.2023.122629
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2023CH34      Eur.Phys.J. A 59, 97 (2023)

P.Choudhary, P.C.Srivastava

Study of S, Cl and Ar isotopes with N ≥ Z using microscopic effective sd-shell interactions

NUCLEAR STRUCTURE ^{32,33,34,35,36}S, ^34,35,36,37Cl, ^36,37,38Ar; calculated energy levels, J, π, electric quadrupole and magnetic dipole moments with bare and effective values for the N3LO, JISP16, DJ16, DJ16A, and USDB interactions. Comparison with available data.

doi: 10.1140/epja/s10050-023-01013-8
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2023WI06      Phys.Rev. C 108, L051305 (2023)

J.Williams, G.Hackman, K.Starosta, R.S.Lubna, P.Choudhary, P.C.Srivastava, C.Andreoiu, D.Annen, H.Asch, M.D.H.K.G.Badanage, G.C.Ball, M.Beuschlein, H.Bidaman, V.Bildstein, R.Coleman, A.B.Garnsworthy, B.Greaves, G.Leckenby, V.Karayonchev, M.S.Martin, C.Natzke, C.M.Petrache, A.Radich, E.Raleigh-Smith, D.Rhodes, R.Russell, M.Satrazani, P.Spagnoletti, C.E.Svensson, D.Tam, F.Wu, D.Yates, Z.Yu

Identifying the spin-trapped character of the ³²Si isomeric state

doi: 10.1103/PhysRevC.108.L051305
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2021CH26      Phys.Rev. C 103, 064325 (2021)

P.Choudhary, A.Kumar, P.C.Srivastava, T.Suzuki

Structure of ^{46, 47}Ca from the β^- decay of ^{46, 47}K in the framework of the nuclear shell model

NUCLEAR STRUCTURE ^46,47Ca, ^46,47K; calculated levels, J, π, B(E2), electric quadrupole and magnetic dipole moments, configurations using shell-model in sd-pf-valence space with the SDPF-MU interaction. Comparison with experimental data.

RADIOACTIVITY ^46,47K(β^-); calculated logft values for various transitions and compared with recent experimental data from GRIFFIN spectrometer at the TRIUMF-ISAC facility. Shell model calculations.

doi: 10.1103/PhysRevC.103.064325
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2020CH40      Phys.Rev. C 102, 044309 (2020)

P.Choudhary, P.C.Srivastava, P.Navratil

Ab initio no-core shell model study of ^10-14B isotopes with realistic NN interactions

NUCLEAR STRUCTURE ^{10,11,12,13,14}B; calculated ground-state energies, levels, J, π, B(M1), B(E2), magnetic dipole and electric quadrupole moments, point-proton radii using ab initio no-core shell model (NCSM), with the INOY, CDB2K, N³LO, and N²LO_opt interactions at their optimal harmonic oscillator (HO) frequencies. Comparison with shell model results using the YSOX interaction, and with experimental data.

doi: 10.1103/PhysRevC.102.044309
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2020WI11      Phys.Rev. C 102, 064302 (2020)

J.Williams, G.C.Ball, A.Chester, P.Choudhary, T.Domingo, A.B.Garnsworthy, G.Hackman, J.Henderson, R.Henderson, R.Krucken, R.S.Lubna, J.Measures, O.Paetkau, J.Park, J.Smallcombe, P.C.Srivastava, K.Starosta, C.E.Svensson, K.Whitmore, M.Williams

High-spin structure of the sd shell nuclei ²⁵Na and ²²Ne

NUCLEAR REACTIONS ¹²C(¹⁸O, pα)²⁵Na, (¹⁸O, 2α)²²Ne, E=48 MeV; measured Eγ, Iγ, charged particles, γγ- and (particle)γ-coin, γ(θ), level half-lives by DSAM using TIGRESS array of 13 Compton suppressed HPGe clovers and a 38-element array of CsI(Tl) scintillators at the TRIUMF-ISAC facility. ²²Ne, ²⁵Na; deduced levels, J, π, multipolarities, B(E1), B(E2). Comparison with shell model calculations using the USDB, SDPF-MU, YSOX and FSU interactions, and with previous experimental results. Calculated proton and neutron occupancies for selected one-particle-one-hole states in ²⁵Na, using the FSU interaction.

doi: 10.1103/PhysRevC.102.064302
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