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NSR database version of April 11, 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, 20C 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 10,11,12,13,14C; 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 N2LOopt 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 23,24,25,26,27,28,29,30,31,32,33,34Si, 24,25,26,27,28,29,30,31,32,33,34,35P; 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 32,33,34,35,36S, 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, 47Ca from the β- decay of 46, 47K 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 10,11,12,13,14B; 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 N2LOopt 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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