NSR Query Results
Output year order : Descending NSR database version of March 21, 2024. Search: Author = P.Srivastava Found 129 matches. Showing 1 to 100. [Next]2024BH01 Nucl.Phys. A1041, 122782 (2024) Shell-model study for 204-210Tl isotopes and core excitations across the Z = 82 and N = 126 shell gaps NUCLEAR STRUCTURE 204,205,206,207,208,209,210Tl; calculated energy levels, J, π, electromagnetic transition strengths with a large-scale shell-model, KHHE, KHH7B, and KHM3Y interactions. Comparison with available data.
doi: 10.1016/j.nuclphysa.2023.122782
2024DA02 Phys.Rev. C 109, 014322 (2024) S.Das, S.Bhattacharyya, S.Bhattacharya, S.Chakraborty, S.Shukla, P.C.Srivastava, R.Banik, S.Nandi, G.Mukherjee, I.Bala, S.S.Bhattacharjee, S.Das Gupta, A.Dhal, D.Mondal, S.Muralithar, R.Raut, A.Sharma, R.P.Singh, V.Srivastava High-spin level structure of 209Rn
doi: 10.1103/PhysRevC.109.014322
2024PA02 Nucl.Phys. A1042, 122808 (2024) D.Patel, P.C.Srivastava, V.K.B.Kota, R.Sahu Large-scale shell-model study of two-neutrino double beta decay of 82Se, 94Zr, 108Cd, 124Sn, 128Te, 130Te, 136Xe, and 150Nd RADIOACTIVITY 82Se, 94Zr, 124Sn, 128,130Te, 136Xe, 150Nd(2β-), 108Cd(2EC); calculated nuclear matrix elements using JUN45 interaction; deduced T1/2. Comparison with available data.
doi: 10.1016/j.nuclphysa.2023.122808
2024PA05 Phys.Rev. C 109, 014310 (2024) D.Patel, P.C.Srivastava, N.Shimizu, Y.Utsuno Systematic shell-model study of 99-129Cd isotopes and isomers in neutron-rich 127-131In isotopes
doi: 10.1103/PhysRevC.109.014310
2024SH06 Nucl.Phys. A1044, 122842 (2024) S.Shukla, P.C.Srivastava, K.Nomura, L.Zamick Systematic shell-model study for structure and isomeric states in 200-210Po isotopes NUCLEAR STRUCTURE 200,202,204,206,208,210Po; calculated energy levels, J, π with systematic large-scale shell-model using KHH7B interaction. Comparison with experimental data.
doi: 10.1016/j.nuclphysa.2024.122842
2023CH01 Nucl.Phys. A1029, 122565 (2023) 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
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
2023CH08 Phys.Rev. C 107, 024312 (2023) S.Chatterjee, B.Mondal, S.Samanta, S.Das, R.Raut, S.S.Ghugre, P.C.Srivastava, A.K.Sinha, U.Garg, Neelam, N.Kumar, P.Jones, Md.S.R.Laskar, F.S.Babra, S.Biswas, S.Saha, P.Singh, R.Palit Single-particle configurations of low- and medium-spin states in 63Cu NUCLEAR REACTIONS 59Co(7Li, 2np), E=22-24 MeV; measured Eγ, Iγ, γγ-coin, γγγ-coin, γγ(θ). 63Cu; deduced levels, J, π, δ, transition intensities, branching ratios, ratio of angular distribution from oriented (ADO) nuclei, polarization asymmetry, high-spin states, configurations; calculated average occupancies of neutron and proton orbitals. Comparison to shell model calculations using the jj44bpn and pfg9a interactions. Array of 10 Compton suppressed HPGe clover detectors at 14 UD Pelletron at the Pelletron LINAC Facility in Tata Institute of Fundamental Research (TIFR, India).
doi: 10.1103/PhysRevC.107.024312
2023CH17 Nucl.Phys. A1033, 122629 (2023) 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
2023CH34 Eur.Phys.J. A 59, 97 (2023) 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
2023KU26 Eur.Phys.J. A 59, 237 (2023) Shell-model study of β+/EC-decay half-lives for Z = 21-30 nuclei RADIOACTIVITY 41,42,43Sc, 42,43Ti, 45Ti, 44,45,46,47V, 45,47Cr, 48,49,50,51Mn, 48,49,50,51Fe, 53Fe, 50Co, 52,53Co, 55Co, 57,58Co, 54Ni, 56,57Ni, 57,58,59,60,61,62,63,64Cu, 58,59,60,61,62,63Zn, 65Zn(EC), (β+); calculated excitation energies, log ft values, and branching ratios, phase space factors. Comparison with available data.
doi: 10.1140/epja/s10050-023-01142-0
2023MU13 J.Phys.(London) G50, 065101 (2023) Quasi-deuterons in light nuclei NUCLEAR STRUCTURE 20,22,24Ne, 22,24,26,28Mg, 12C, 14N, 16,18,19,20O, 18F, 21,23Ne, 36,38Ar, 40,42Ca, 42Sc; calculated pairing correlations for nucleon pairs with isospin T=1 and T=0; deduced significant effects on the resulting energies due to the formation of T=0 pairs, formation of quasi deuterons is maximal for symmetric nuclei with N=Z.
doi: 10.1088/1361-6471/acca36
2023NE13 Phys.Rev. C 108, 054301 (2023) D.A.Nesterenko, J.Ruotsalainen, M.Stryjczyk, A.Kankainen, L.Al Ayoubi, O.Beliuskina, P.Delahaye, T.Eronen, M.Flayol, Z.Ge, W.Gins, M.Hukkanen, A.Jaries, D.Kahl, D.Kumar, S.Nikas, A.Ortiz-Cortes, H.Penttila, D.Pitman-Weymouth, A.Raggio, M.Ramalho, M.Reponen, S.Rinta-Antila, J.Romero, A.de Roubin, P.C.Srivastava, J.Suhonen, V.Virtanen, A.Zadvornaya High-precision measurements of low-lying isomeric states in 120-124In with the JYFLTRAP double Penning trap
doi: 10.1103/PhysRevC.108.054301
2023PA29 Nucl.Phys. A1039, 122742 (2023) D.Patel, P.C.Srivastava, N.Shimizu Systematic shell-model study of 98-130Cd isotopes and 8+ isomeric states NUCLEAR STRUCTURE 98,100,102,104,106,108,110,112,114,116,118,120,122,124,126,128,130Cd; calculated energy levels, J, π, B(E2), electric quadrupole and magnetic moments, isomeric states, energy surfaces. Comparison with available data.
doi: 10.1016/j.nuclphysa.2023.122742
2023SA08 Nucl.Phys. A1032, 122618 (2023) S.Sahoo, P.C.Srivastava, T.Suzuki Study of structure and radii for 20-31Na isotopes using microscopic interactions NUCLEAR STRUCTURE 20,21,22,23,24,25,26,27,28,29,30,31Na; calculated ground state energies, energy levels, J, π, B(E2), charge and natter radii, neutron skin using different microscopic effective interactions. Comparison with available data.
doi: 10.1016/j.nuclphysa.2023.122618
2023SA22 J.Phys.(London) G50, 045105 (2023) Ab initio no-core shell-model study of 18-24Ne isotopes NUCLEAR STRUCTURE 18,19,20,21,22,23,24Ne; calculated variation of the g.s. energies, energy levels, J, π, magnetic dipole and electric quadrupole moments, B(M1), B(E2), occupation numbers, point-proton rms radii within ab initio no-core–shell model using realistic NN interactions i.e. INOY, CDB2K and N3LO. Comparison with available data.
doi: 10.1088/1361-6471/acb962
2023SA55 Phys.Rev. C 108, 064305 (2023) Ch.Sarma, O.Di Matteo, A.Abhishek, P.C.Srivastava Prediction of the neutron drip line in oxygen isotopes using quantum computation
doi: 10.1103/PhysRevC.108.064305
2023SH03 Nucl.Phys. A1031, 122596 (2023) S.Sharma, P.C.Srivastava, A.Kumar Forbidden beta decay properties of 135, 137Te using shell-model RADIOACTIVITY 135,137Te(β-); calculated energy levels, J, π, electromagnetic dipole and quadrupole moments, log ft using nuclear shell model. Comparison with experimental data.
doi: 10.1016/j.nuclphysa.2022.122596
2023SI02 Phys.Rev. C 107, 024906 (2023) A.Singh, P.K.Srivastava, G.Devi, B.K.Singh Production and enhancement of (multi-) strange hadrons in Au+Au collisions at √ sNN = 2000 GeV RHIC energy and Pb+Pb collisions at √ sNN = 2.76 TeV LHC energy
doi: 10.1103/PhysRevC.107.024906
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
2023YA12 Phys.Rev. C 107, 054303 (2023) K.Yadav, A.Y.Deo, Madhu, D.Sahoo, P.C.Srivastava, S.Suman, S.K.Tandel, A.Sharma, I.Ahmed, K.Katre, K.Rojeeta Devi, S.Dutt, S.Kumar, Yashraj, S.Muralithar, R.P.Singh High-spin spectroscopy in 207At: Evidence of a 29/2+ isomeric state NUCLEAR REACTIONS 198Pt(14N, 5n)207At, E=80-87 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linear polarization) using INGA array of 13 Compton-suppressed HPGe detectors at the 15-UD tandem accelerator of the IUAC-New Delhi facility. Deduced high-spin levels, J, π, bands, multipolarities, new high-spin isomer, and configurations. Comparison with large-scale shell model calculations using KHM3Y effective interaction. Systematics of energies low-lying states in 116,118,120,122,126At and 116,118,120,122,126Po, and B(E3) in At isotopes. Systematics of energies of 13/2+ states in 199,201,203,205,207At.
doi: 10.1103/PhysRevC.107.054303
2022BH03 J.Phys.(London) G49, 085101 (2022) Systematic shell model study for N = 82 and N = 126 isotones and nuclear isomers NUCLEAR STRUCTURE 134Te, 136Xe, 138Ba, 140Ce, 142Nd, 135I, 137Cs, 139La, 141Pr, 210Po, 212Rn, 214Ra, 216Th, 218U, 211At, 213Fr, 215Ac, 217Pa; calculated energy levels, J, π. Comparison with experimental data.
doi: 10.1088/1361-6471/ac76da
2022BO04 Phys.Rev. C 105, 044327 (2022) V.Bothe, S.K.Tandel, S.G.Wahid, P.C.Srivastava, B.Bhoy, P.Chowdhury, R.V.F.Janssens, F.G.Kondev, M.P.Carpenter, T.Lauritsen, D.Seweryniak, S.Zhu Isomers in 203Tl and core excitations built on a five-nucleon-hole structure NUCLEAR REACTIONS 197Au(209Bi, X)203Tl, E=1450 MeV; measured Eγ, Iγ, γγ-coin, γγγ-coin. 203Tl; deduced levels, J, π, multipolarities, T1/2 of high-spin isomeric states, configurations. Half-lives determined by centroid-shift method for ns isomers and by variation with time of the cumulative intensity for υs isomers. Observed octupole core excitations built on a five-nucleon hole configuration. Comparison with shell-model calculations employing the KHH7B effective interaction. Gammasphere array with 100 detectors at ATLAS accelerator (ANL).
doi: 10.1103/PhysRevC.105.044327
2022CH50 Phys.Rev. C 106, 044329 (2022) S.Chatterjee, B.Mondal, A.Ghosh, D.Arora, S.Das, S.Samanta, R.Raut, S.S.Ghugre, P.C.Srivastava, A.K.Sinha, U.Garg, H.K.Singh, Neelam, K.Rojeeta Devi, A.Sharma, S.S.Bhattacharjee, R.Garg, I.Bala, R.P.Singh, S.Muralithar Single-particle configurations of the excited states of 203Po NUCLEAR REACTIONS 194Pt(13C, 4n), (13C, 3n), E=74 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ). 203Po; deduced levels, J, π, polarization asymmetry, ratio of angular distribution from oriented nuclei, linear polarisation of the transitions, δ, T1/2 of 2789-keV state, high-spin states. 204Po; deduced T1/2 of 3387-keV state. Comparison to other experimental data and large basis shell-model calculation using the KHH7B Hamiltonian. Indian National Gamma Array (INGA) consisting of 18 Compton suppressed HPGe clover detectors at 15UD Pelletron accelerator facility (IUAC, New Delhi).
doi: 10.1103/PhysRevC.106.044329
2022DE09 Phys.Rev. C 105, 044307 (2022) P.Dey, D.Negi, R.Palit, P.C.Srivastava, Md.S.R.Laskar, B.Das, F.S.Babra, S.Bhattacharya, B.Das, K.Rojeeta Devi, R.Gala, U.Garg, S.S.Ghugre, E.Ideguchi, S.Kumar, A.Kundu, G.Mukherjee, S.Muralithar, S.Nag, S.Nandi, Neelam, M.K.Raja, R.Raut, R.Santra, A.Sharma, S.Sihotra, A.K.Singh, R.P.Singh, T.Trivedi Experimental investigation of high-spin states in 90Zr NUCLEAR REACTIONS 82Se(13C, 5n), E=60 MeV; measured Eγ, Iγ, γγγ-coin, γ(θ). 90Zr; deduced levels, J, π, DCO ratios, polarization asymmetry, multipolarity, high-spin states, bands structure, configurations. Comparison to shell-model calculations with the GWBXG effective interaction. Indian National Gamma Array (INGA) at TIFR-BARC Pelletron Linac Facility.
doi: 10.1103/PhysRevC.105.044307
2022KA22 Universe 8, 309 (2022) J.Kasurinen, J.Suhonen, P.C.Srivastava, P.Pirinen Shell Model Description of Spin-Dependent Elastic and Inelastic WIMP Scattering off 119Sn and 121Sb NUCLEAR STRUCTURE 119,121Sb; calculated levels, J, π, magnetic dipole and electric quadrupole moments, B(E2), B(M1), configurations and their amplitudes for the lowest lying states using shell model, structure functions and differential σ(E) for spin-dependent elastic and inelastic scattering of non-baryonic weakly interacting massive particles (WIMP) with masses of 50, 100, 300, 1000 and 10, 000 GeV using effective field theory (EFT); estimated detection rates of WIMP. Comparison with available experimental structure data for 119,121Sb.
doi: 10.3390/universe8060309
2022KU01 Nucl.Phys. A1017, 122344 (2022) V.Kumar, A.Kumar, P.C.Srivastava Shell-model study for GT-strengths corresponding to β decay of 60Ge and 62Ge RADIOACTIVITY 60,62Ge(EC); calculated GT transitions, T1/2, energy levels, J, π using KB3G and GXPF1A, JUN45 and jj44b effective interactions. Comparison with available data.
doi: 10.1016/j.nuclphysa.2021.122344
2022MA16 Phys.Rev. C 105, 034308 (2022) Madhu, K.Yadav, A.Y.Deo, Pragati, P.C.Srivastava, S.K.Tandel, S.G.Wahid, S.Kumar, S.Muralithar, R.P.Singh, I.Bala, S.S.Bhattacharjee, R.Garg, S.Chakraborty, S.Rai, A.K.Jain Evolution of nuclear structure through isomerism in 216Fr NUCLEAR REACTIONS 208Pb(11B, 3n), E=54-62 MeV; measured Eγ, Iγ, γ(θ), γγ-coin. 216Fr; deduced high-spin isomers, J, π, T1/2 of isomeric states, γ-ray branching ratios, B(E1), B(M2), single-particle transition rates, configurations. Half-lives extracted using centroid-shift and decay-curve analyses. Systematics of the 11+ isomers properties in the 216Fr, 212At, 218Ac. Comparison to the shell-model calculations. Beam from 15 UD Pelletron accelerator at Inter-University Accelerator Centre (IUAC). Detector system - Indian National Gamma Array (INGA) with 14 Compton suppressed clover HPGe.
doi: 10.1103/PhysRevC.105.034308
2022RA02 Nucl.Phys. A1018, 122375 (2022) P.Ray, H.Pai, S.Ali, A.Mukherjee, S.Rajbanshi, S.Chakraborty, S.Bhattacharya, R.Banik, S.Nandi, S.Bhattacharyya, G.Mukherjee, C.Bhattacharya, G.Gangopadhyay, S.Samanta, S.Das, S.Chatterjee, R.Raut, S.S.Ghugre, P.C.Srivastava, S.Jehangir, B.Bhoy, N.Rather, G.H.Bhat, J.A.Sheikh, A.Goswami Three-phonon multiplets in 116Sn NUCLEAR REACTIONS 114Cd(α, 2n), E=34 MeV; measured reaction products, Eγ, Iγ, γγ-coin.; deduced γ-ray energies and intensities, J, π, level scheme, multipolarities, intruder configurations. Interacting Boson Model (IBM) and spherical shell model calculations. The Indian National Gamma Array (INGA).
doi: 10.1016/j.nuclphysa.2021.122375
2022SH35 Phys.Rev. C 106, 024333 (2022) S.Sharma, P.C.Srivastava, A.Kumar, T.Suzuki Shell-model description for the properties of the forbidden β- decay in the region "northeast" of 208Pb RADIOACTIVITY 210,211,212,213,214,215Pb, 210,211,212,213,214,214m,215Bi(β-); calculated logft for forbidden nonunique and forbidden unique β-decay, T1/2, Q, shape factors. Shell-model calculation using the KHPE interaction in valence shells 82-126 for protons and 126-184 for neutrons without any truncation. Comparison to experimental data. NUCLEAR STRUCTURE 214Po; calculated levels J, π. Shell model calculations.
doi: 10.1103/PhysRevC.106.024333
2022WA20 Phys.Lett. B 832, 137262 (2022) S.G.Wahid, S.K.Tandel, S.Suman, P.C.Srivastava, A.Kumar, P.Chowdhury, F.G.Kondev, R.V.F.Janssens, M.P.Carpenter, T.Lauritsen, D.Seweryniak, S.Zhu Emergence of an island of extreme nuclear isomerism at high excitation near 208Pb NUCLEAR REACTIONS 197Au(207Pb, X)204Pb/205Bi/206Bi, E=1430 MeV; 197Au(207Pb, X)204Pb/205Bi/206Bi, E=1450 MeV; measured Eγ, Iγ, γγ-coin, delayed γ spectra, T1/2 of isomers by γγ(t) using pulsed beam from ATLAS-ANL facility, and Gammasphere array for γ detection. 204Pb, 205,206Bi; deduced levels, isomers, J, π, configurations, nuclear isomerism from core-excited configurations in the vicinity of 208Pb. Comparison with shell-model predictions. COMPILATION 93Nb, 93Mo, 140Nd, 144Pm, 148Tb, 212,213Fr, 204Pb, 205,206Bi; compiled T1/2 of isomers of >1 micro-sec half-life above 7-MeV excitations across the nuclear chart. 202,203,204,205Tl, 202,203,204Pb, 206Bi, 213At, 210,211,212Rn, 209,211,212Fr; compiled B(E3) for isomer decays.
doi: 10.1016/j.physletb.2022.137262
2022YA10 Phys.Rev. C 105, 034307 (2022) K.Yadav, A.Y.Deo, Madhu, Pragati, P.C.Srivastava, S.K.Tandel, S.G.Wahid, S.Kumar, S.Muralithar, R.P.Singh, I.Bala, S.S.Bhattacharjee, R.Garg, S.Chakraborty, S.Rai, A.K.Jain Level structure in the transitional nucleus 215Fr NUCLEAR REACTIONS 208Pb(11B, 4n), E=54-62 MeV; measured Eγ, Iγ, γ(θ), γγ-coin, γγγ-coin. 215Fr; deduced levels, high-spin states, J, π, δ, DCO-ratios, γ-ray multipolarities, polarization, T1/2 of the excited states, configurations; calculated levels, J, π, B(E2), B(M1), B(E3), δ. Large scale shell model calculations with CD-Bonn NN potential. Discussed possible structure of yrast and near-yrast lines. Beam from 15 UD Pelletron accelerator at Inter-University Accelerator Centre (IUAC). Detector system - Indian National Gamma Array (INGA) with 14 Compton suppressed clover HPGe.
doi: 10.1103/PhysRevC.105.034307
2021BH15 J.Phys.(London) G48, 125103 (2021) Systematic shell-model study of Rn isotopes with A = 207 to 216 and isomeric states NUCLEAR STRUCTURE 207,208,209,210,211,212,213,214,215,216Rn; calculated energy levels, J, π, configurations of isomeric states in Rn isotopes with the probability of the dominant component of the configuration, B(E2), magnetic dipole moments, T1/2. Comparison with available data.
doi: 10.1088/1361-6471/ac2be0
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
2021KU21 Eur.Phys.J. A 57, 225 (2021) A.Kumar, P.C.Srivastava, J.Suhonen Second-forbidden nonunique β- decays of 59, 60Fe: possible candidates for gA sensitive electron spectral-shape measurements RADIOACTIVITY 59,60Fe(β-); calculated energy levels, J, π, quadrupole and magnetic moments, B(E2), Gamow-Teller and Fermi nuclear matrix elements, β-decay spectra using the nuclear shell model KB3G and GXPF1A effective interactions.
doi: 10.1140/epja/s10050-021-00540-6
2021KU22 Nucl.Phys. A1014, 122255 (2021) Shell-model description for the first-forbidden β- decay of 207Hg into the one-proton-hole nucleus 207Tl RADIOACTIVITY 207Hg(β-); calculated energy levels, J, π, log ft using large-scale shell-model using KHH7B interaction for the first-forbidden transitions. Comparison with available data.
doi: 10.1016/j.nuclphysa.2021.122255
2021MA31 Rom.J.Phys. 66, 306 (2021) M.Ma, P.C.Srivastava, L.Zamick The Q.Q Interaction and Variations of Single Particle Energies NUCLEAR STRUCTURE 20Ne; calculated single particle energies, B(E2), energy levels, J, π using nuclear shell model; deduced the rotational spectrum of the Elliott model.
2021SR01 Phys.Scr. 96, 065307 (2021) Minimal theory of isomerism- Q.Q and other interactions NUCLEAR STRUCTURE 44Ti, 52Fe, 48Cr, 96Cd, 92Pd, 88Ru, 43Sc, 53Fe, 53Co, 97Cd, 93,95Ag, 44Sc, 52Mn, 48V, 94,96Ag; calculated energy levels, spin gaps, T1/2, B(E2). Comparison with available data.
doi: 10.1088/1402-4896/abf306
2021ZH44 Chin.Phys.C 48, 084001 (2021) J.Zhong, L.-T.Deng, S.-P.Hu, X.-G.Wu, P.C.Srivastava, A.Saxena, G.-S.Li, Y.Zheng, C.-B.Li, Q.-M.Chen, C.-Y.He, W.-K.Zhou, B.-J.Zhu, Q.-W.Fang, H.Hua, J.-J.Sun, H.-B.Sun, L.Gan, H.-G.Zhao, Q.Luo, Z.-X.Wu High spin states in 71Ga NUCLEAR REACTIONS 70Zn(7Li, 2nα)71Ga, E=30, 35 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies and intensities, J, π, level scheme, positive and negative parity bands. Comparison with calculations in the framework of nuclear shell models with JUN45 and jj44b interactions.
doi: 10.1088/1674-1137/ac0098
2020BH06 J.Phys.(London) G47, 065105 (2020) B.Bhoy, P.C.Srivastava, K.Kaneko Shell model results for 47-58Ca isotopes in the fp, fpg9/2 and fpg9/2d5/2 model spaces NUCLEAR STRUCTURE 47,48,49,50,51,52,53,54,55,56,57,58Ca; calculated energy levels, J, π, occupancy, B(E2), nuclear magnetic moments, spectroscopic factors, wave functions. Comparison with available data.
doi: 10.1088/1361-6471/ab80d4
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
2020KU10 Prog.Theor.Exp.Phys. 2020, 033D01 (2020) A.Kumar, P.C .Srivastava, T.Suzuki Shell model results for nuclear β--decay properties of sd-shell nuclei RADIOACTIVITY 15,20,21,22,24O, 20,21,22,23,26F, 23,24,25,26,27,28Ne, 24,25,26,27,28,29,30Na, 27,28,29,30,32Mg, 28,29,30,32,33Al, 31,32,33,34Si, 32,33,34P(β-); calculated M(GT) matrix elements, log ft, T1/2 using the framework of the nuclear shell model using the valence space Hamiltonians derived from modern ab initio methods, such as in-medium similarity renormalization group and coupled-cluster theory. Comparison with available data.
doi: 10.1093/ptep/ptaa012
2020KU12 Acta Phys.Pol. B51, 961 (2020) V.Kumar, P.C.Srivastava, A.Kumar Gamow-Teller Transition Strengths for Selected fp Shell Nuclei NUCLEAR STRUCTURE 44Sc, 45,48Ti, 66Co, 66Fe; calculated Gamow–Teller transition strengths. Comparison with experimental data.
doi: 10.5506/APhysPolB.51.961
2020KU14 Phys.Rev. C 101, 064304 (2020) A.Kumar, P.C.Srivastava, J.Kostensalo, J.Suhonen Second-forbidden nonunique β- decays of 24Na and 36Cl assessed by the nuclear shell model NUCLEAR STRUCTURE 24Na, 24Mg, 36Cl, 36Ar; calculated low-lying levels, J, π using microscopic and USDB interactions. Comparison with experimental data. RADIOACTIVITY 24Na, 36Cl(β-); calculated shape factors, Eβ-, Iβ-, logft, nuclear matrix elements of second-forbidden nonunique β--decay using nuclear shell model framework in the sd model space, using microscopic effective interactions Daejeon16, chiral N3LO, and JISP16. Comparison with experimental data.
doi: 10.1103/PhysRevC.101.064304
2020KU20 Nucl.Phys. A1002, 121989 (2020) Shell model study of high-spin states and band terminations in 67As NUCLEAR STRUCTURE 67As; calculated energy levels, J, π; deduced high-spin states and band terminations.
doi: 10.1016/j.nuclphysa.2020.121989
2020NE01 Phys.Rev. C 101, 014312 (2020) Neelam, S.Kumar, K.Rojeeta Devi, N.Kumar, S.Saha, S.Biswas, P.Singh, F.S.Babra, Md.S.R.Laskar, R.Palit, S.Samanta, S.Das, A.Kumar, P.C.Srivastava Intermediate structure and dipole bands in the transitional 134Ba nucleus NUCLEAR REACTIONS 124Sn(13C, 3n)134Ba, E=48 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linear polarization) using INGA array at the Pelletron-LINAC accelerator facility of TIFR, Mumbai. 134Ba; deduced high-spin levels, J, π, multipolarities, bands, magnetic-dipole rotational band, alignment plots, configurations, B(M1)/B(2), staggering. Systematics of dipole bands in 132,134Ba, 136Ce. Systematics of staggering and B(M1)/B(E2) in 130,132,134Ba. Tilted axis cranking (TAC) calculations for dipole bands.
doi: 10.1103/PhysRevC.101.014312
2020OD01 J.Phys.(London) G47, 095103 (2020) D.O'Donnell, R.D.Page, T.Grahn, F.A.Ali, K.Auranen, L .Capponi, R.J.Carroll, M.M.R.Chishti, M.C.Drummond, P.T.Greenlees, J.Henderson, A.Herzan, U.Jakobsson, D.T.Joss, R.Julin, S.Juutinen, J.Konki, M.Labiche, M.Leino, P.J.R.Mason, C.G.McPeake, J.Pakarinen, P.Papadakis, J.Partanen, P.Peura, P.Rahkila, J.Revill, P.Ruotsalainen, M.Sandzelius, J.Saren, B.Saygi, C.Scholey, J.Simpson, J.F.Smith, M.Smolen, J.Sorri, S.Stolze, C.M.Sullivan, A.Thornthwaite, J.Uusitalo, A.Kumar, P.C.Srivastava High-spin states of 218Th NUCLEAR REACTIONS 174Yb(48Ca, 4n), E=207 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies and intensities, angular anisotropy ratios, J, π, level scheme, high-spin states. Comparison with theoretical calculations.
doi: 10.1088/1361-6471/aba16c
2020SA18 J.Phys.(London) G47, 055113 (2020) Ab initio no-core shell model study of 18-23O and 18-24F isotopes NUCLEAR STRUCTURE 18,19,20,21,22,23O, 18,19,20,21,22,23,24F; calculated ground state energies, J, π, occupation numbers, radii. Comparison with available data.
doi: 10.1088/1361-6471/ab6f1d
2020SA41 Eur.Phys.J. Special Topics 229, 2389 (2020) R.Sahu, V.K.B.Kota, P.C.Srivastava Quadrupole properties of the eight SU(3) algebras in (sdgi) space
doi: 10.1140/epjst/e2020-000088-4
2020WA24 Phys.Rev. C 102, 024329 (2020) S.G.Wahid, S.K.Tandel, S.Suman, M.Hemalatha, A.Patel, P.Roy, A.Y.Deo, Pragati, P.C.Srivastava, B.Bhoy, S.S.Bhattacharjee, R.P.Singh, S.Muralithar, P.Chowdhury, R.V.F.Janssens, M.P.Carpenter, T.L.Khoo, F.G.Kondev, T.Lauritsen, C.J.Lister, D.Seweryniak, S.Zhu, S.Rai, A.Sharma Metastable states from multinucleon excitations in 202Tl and 203Pb NUCLEAR REACTIONS 198Pt(7Li, 3n)202Tl, E=31-36 MeV; 197Au(209Bi, X), E=1450 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linear polarization), half-lives of isomers by γ(t) and centroid-shift method using the INGA array at IUAC-New Delhi for the 202Tl experiment, and Gammasphere array at the ATLAS-ANL facility for 203Pb. 202Tl, 203Pb; deduced high-spin levels, isomers, J, π, multipolarities, B(E2), B(E3), configurations. Systematics of energies and B(Eλ) for isomers in 202,203,204Tl and 203,204,205Pb. Comparison with shell-model calculations.
doi: 10.1103/PhysRevC.102.024329
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
2019KI08 Phys.Rev.Lett. 123, 262701 (2019) O.S.Kirsebom, S.Jones, D.F.Stromberg, G.Martinez-Pinedo, K.Langanke, F.K.Ropke, B.A.Brown, T.Eronen, H.O.U.Fynbo, M.Hukkanen, A.Idini, A.Jokinen, A.Kankainen, J.Kostensalo, I.Moore, H.Moller, S.T.Ohlmann, H.Penttila, K.Riisager, S.Rinta-Antila, P.C.Srivastava, J.Suhonen, W.H.Trzaska, J.Aysto Discovery of an Exceptionally Strong β-Decay Transition of 20F and Implications for the Fate of Intermediate-Mass Stars RADIOACTIVITY 20F(β-) [from 19F(d, X), E=6 MeV]; measured decay products, Eβ, Iβ; deduced transition strength.
doi: 10.1103/PhysRevLett.123.262701
2019KO11 Phys.Lett. B 795, 542 (2019) J.Kostensalo, J.Suhonen, C.Giunti, P.C.Srivastava The gallium anomaly revisited NUCLEAR REACTIONS 69,71Ga(ν, ν'), E ∼ 1 MeV; calculated σ. Comparison with available data.
doi: 10.1016/j.physletb.2019.06.057
2019LA01 Phys.Rev. C 99, 014308 (2019) Md.S.R.Laskar, S.Saha, R.Palit, S.N.Mishra, N.Shimizu, Y.Utsuno, E.Ideguchi, Z.Naik, F.S.Babra, S.Biswas, S.Kumar, S.K.Mohanta, C.S.Palshetkar, P.Singh, P.C.Srivastava g-factor measurement of the 2738 keV isomer in 135La NUCLEAR REACTIONS 128Te(11B, 4n), E=52 MeV; measured delayed γ spectra, g factor by hyperfine interactions using TDPAD technique, half-life of the 23/2+ nanosecond isomer at the heavy-ion accelerator facility of TIFR, Mumbai. 135La; deduced level, configuration. Comparison with large-scale shell model calculations with SNV interaction. NUCLEAR MOMENTS 135La; measured g factor of the 2738-keV, 23/2+ isomer by hyperfine interactions using TDPAD technique, using 128Te(11B, 4n) reaction. Comparison with shell-model calculations.
doi: 10.1103/PhysRevC.99.014308
2019RU02 Phys.Rev. C 99, 051301 (2019) P.Ruotsalainen, J.Henderson, G.Hackman, G.H.Sargsyan, K.D.Launey, A.Saxena, P.C.Srivastava, S.R.Stroberg, T.Grahn, J.Pakarinen, G.C.Ball, R.Julin, P.T.Greenlees, J.Smallcombe, C.Andreoiu, N.Bernier, M.Bowry, M.Buckner, R.Caballero-Folch, A.Chester, S.Cruz, L.J.Evitts, R.Frederick, A.B.Garnsworthy, M.Holl, A.Kurkjian, D.Kisliuk, K.G.Leach, E.McGee, J.Measures, D.Mucher, J.Park, F.Sarazin, J.K.Smith, D.Southall, K.Starosta, C.E.Svensson, K.Whitmore, M.Williams, C.Y.Wu Isospin symmetry in B(E2) values: Coulomb excitation study of 21Mg NUCLEAR REACTIONS 196Pt(21Mg, 21Mg'), E=95 MeV; 110Pd(21Mg, 21Mg'), E=67 MeV; measured Eγ, Iγ, (particle)γ-coin, Coulomb excitation yields, half-life of the 1/2+ state in 21Mg using BAMBINO array for particle detection, and TIGRESS array for γ rays from Coulomb excited 21Mg states at TRIUMF-ISAC-II facility. 21Mg; deduced levels, J, π, Coulomb-excitation yields, E2 matrix elements, B(E2). GOSIA least-squares fit analysis. Systematics of 5/2+ to 1/2+ B(E2) values in T=-3/2 and +3/2 mirror nuclei: 21Mg, 21Fl; 25Si, 25Na; 29S, 29Al; 33Ar, 33P; 37Ca, 37Cl. Comparison with shell-model calculations with isospin conserving and breaking USD interactions, and using modern ab initio approach.
doi: 10.1103/PhysRevC.99.051301
2019SA23 Hyperfine Interactions 240, 37 (2019) A.Saxena, A.Kumar, V.Kumar, P.C.Srivastava, T.Suzuki Ab initio description of collectivity for sd shell nuclei NUCLEAR STRUCTURE 20Ne, 24,32Mg, 34Si; calculated energy levels, J, π, B(E2) values. Comparison with experimental data.
doi: 10.1007/s10751-019-1582-y
2019SA38 Prog.Theor.Exp.Phys. 2019, 073D02 (2019) Ab initio no-core shell model study of neutron-rich nitrogen isotopes NUCLEAR STRUCTURE 18,19,20,21,22Ne; calculated ground state energies, J, π. Comparison with available data.
doi: 10.1093/ptep/ptz073
2019SR03 Eur.Phys.J. A 55, 69 (2019) P.K.Srivastava, A.Singh, O.S.K.Chaturvedi, P.K.Raina, B.K.Singh Transverse momentum distribution of charged hadrons based on wounded quark mode
doi: 10.1140/epja/i2019-12741-3
2019SR07 Prog.Theor.Exp.Phys. 109, 103D01 (2019) P.C.Srivastava, B.Bhoy, M.J.Ermamatov Different seniority states of 119-126Sn isotopes: shell-model description NUCLEAR STRUCTURE 119,120,121,122,123,124,125,126Sn; calculated energy levels, J, π, seniority of isomeric states using nuclear shell model. Comparison with available data.
doi: 10.1093/ptep/ptz108
2019WI07 Phys.Rev. C 100, 014322 (2019) J.Williams, G.C.Ball, A.Chester, T.Domingo, A.B.Garnsworthy, G.Hackman, J.Henderson, R.Henderson, R.Krucken, A.Kumar, K.D.Launey, J.Measures, O.Paetkau, J.Park, G.H.Sargsyan, J.Smallcombe, P.C.Srivastava, K.Starosta, C.E.Svensson, K.Whitmore, M.Williams Structure of 28Mg and influence of the neutron pf shell NUCLEAR REACTIONS 12C(18O, 2p), E=48 MeV; measured Eγ, Iγ, γγ-coin, γ(θ), Ep, Ip, level half-lives by DSAM using the TIGRESS array and CsI(Tl) scintillator array for charged particle detection at ISACII-TRIUMF. 28Mg; deduced levels, intruder orbitals, J, π, B(E2). Systematics of yrast states in 24,26,28,30Mg, 30Si, 32S. Comparison with ab initio symmetry adapted no-core shell model (SA-NCSM) calculations using the SDPF-MU interaction, and with evaluated data in the ENSDF database. NUCLEAR STRUCTURE 28Mg; calculated levels, intruder orbitals, J, π, neutron occupancies in the pf shell, B(M1), B(M2), proton and neutron effective single-particle energies. Ab initio symmetry adapted no-core shell model (SA-NCSM) calculations using the SDPF-MU, USDB(sd) and SDPF(U) interactions. Comparison with experimental data.
doi: 10.1103/PhysRevC.100.014322
2018AV02 J. Cosmol. Astropart. Phys. 2018, 021 (2018) F.T.Avignone, III, R.J.Creswick, J.D.Vergados, P.Pirinen, P.C.Srivastava, J.Suhonen Estimating the flux of the 14.4 keV solar axions NUCLEAR STRUCTURE 57Fe; calculated energy levels, J, π, magnetic dipole moment using nuclear shell model. Comparison with available data.
doi: 10.1088/1475-7516/2018/01/021
2018CH16 Eur.Phys.J. A 54, 46 (2018) O.S.K.Chaturvedi, P.K.Srivastava, A.Singh, B.K.Singh Universal freezeout condition for charged hadrons in a hybrid approach
doi: 10.1140/epja/i2018-12488-3
2018NA20 Phys.Rev. C 98, 024319 (2018) B.S.Nara Singh, D.M.Cullen, M.J.Taylor, P.C.Srivastava, P.Van Isacker, O.Beeke, B.Dodson, C.Scholey, D.O'Donnell, U.Jakobsson, T.Grahn, P.T.Greenlees, P.M.Jones, R.Julin, S.Khan, M.Leino, A.-P.Leppanen, S.Eeckhaudt, K.Mantyniemi, J.Pakarinen, P.Peura, P.Rahkila, J.Saren, J.Sorri, J.Uusitalo, M.Venhart Level structure above the 17+ isomeric state in 15269Tm83 NUCLEAR REACTIONS 92Mo(64Zn, n3p), E=280 MeV; measured Eγ, Iγ, recoil time of flight and total kinetic energy loss (TKEL), γγ-coin, delayed γ, and half-life of the 17+ isomer using JUROGAM array for γ detection, RITU separator for recoil separation, and Gamma-Recoil-Electron-Alpha-Tagging (GREAT) spectrometer at JYFL, Jyvaskyla. 152Tm; deduced levels, J, π, configurations; calculated levels, J, π and B(E2) values of transitions in the yrast sequence 9+ to 21+ using both large scale shell model and reduced shell model with different proton-neutron interactions.
doi: 10.1103/PhysRevC.98.024319
2018SA10 Phys.Rev. C 97, 024310 (2018) A.Saxena, P.C.Srivastava, T.Suzuki Ab initio calculations of Gamow-Teller strengths in the sd shell NUCLEAR REACTIONS 20Ne(n, p), E*<10 MeV; 23Ne(3He, t), E*<12 MeV; 23Na(n, p), E*<4 MeV; 24Mg(t, 3He), (d, 2He), E*<7 MeV; 24Mg(3He, t), (p, n), E*<7 MeV; 25Mg(3He, t), E*<6 MeV; 26Mg(t, 3He), (d, 2He), E*<5 MeV; 26Mg(3He, t), (p, n), E*<18 MeV; 27Mg(3He, t), E*<10 MeV; 28Si(3He, t), (p, n), E*<12 MeV; 31P(n, p), E*<5 MeV; 32S(d, 2He), E*<8 MeV; calculated Gamow-Teller transition-strength distributions B(GT) using shell model and ab initio effective interactions: coupled-cluster effective interaction (CCEI), in-medium similarity renormalization group (IM-SRG), and phenomenological USDB effective interaction. Comparison with experimental data. 23Na(e-, ν)23Ne, 25Mg(e-, ν)25Na, T9=8.6-9.6; calculated electron-capture rates at high densities and high temperatures using shell-model and different effective interactions CCEI, IM-SRG, USDB, USDB*. RADIOACTIVITY 26Si(β+); calculated Gamow-Teller transition-strength distribution B(GT) using shell model and ab initio effective interactions: CCEI, IM-SRG, and USDB. Comparison with experimental data.
doi: 10.1103/PhysRevC.97.024310
2017BI10 Phys.Rev. C 95, 064320 (2017) S.Biswas, R.Palit, J.Sethi, S.Saha, A.Raghav, U.Garg, Md.S.R.Laskar, F.S.Babra, Z.Naik, S.Sharma, A.Y.Deo, V.V.Parkar, B.S.Naidu, R.Donthi, S.Jadhav, H.C.Jain, P.K.Joshi, S.Sihotra, S.Kumar, D.Mehta, G.Mukherjee, A.Goswami, P.C.Srivastava High-spin states in 133Cs and the shell model description NUCLEAR REACTIONS 130Te(7Li, 4n), E=45 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linear polarization) using INGA array of 15 Compton-suppressed HPGe clover detectors at TIFR-Mumbai accelerator facility. 133Cs; deduced high-spin levels, J, π, multipolarities, bands, configurations. Comparison with large-scale shell model calculation using jj55pna interaction. Systematics of band structures in 127,129,131,133,135,137Cs.
doi: 10.1103/PhysRevC.95.064320
2017KU12 Eur.Phys.J. A 53, 134 (2017) L.Kucuk, S.E.A.Orrigo, A.Montaner-Piza, B.Rubio, Y.Fujita, W.Gelletly, B.Blank, Y.Oktem, T.Adachi, A.Algora, P.Ascher, R.B.Cakirli, G.de France, H.Fujita, E.Ganioglu, J.Giovinazzo, S.Grevy, F.M.Marques, F.Molina, F.de Oliveira Santos, L.Perrot, R.Raabe, P.C.Srivastava, G.Susoy, A.Tamii, J.C.Thomas Half-life determination of Tz = -1 and Tz = -1/2 proton-rich nuclei and the β decay of 58Zn NUCLEAR REACTIONS Ni(64Zn, x), E=79 MeV/nucleon; measured fragments of Tz=-1 and =-1/2 (together 16 isotopes), subsequent charged particle decays using two DSSSD and four Ge detectors, β-delayed Eγ, Iγ. 58Zn[Tz=-1]; deduced decay scheme, absolute Fermi and Gamow-Teller β-transition strength B(F), B(GT), T1/2. 50Fe, 52Co, 56Cu, 60Ga, 62Ge[Tz=-1]; deduced T1/2. 47Cr, 49Mn, 51Fe, 55Ni, 57Cu, 59Zn, 61Ga, 63Ge[Tz=-1/2]; deduced T1/2. Here, T1/2 deduced using correlation time and the results compared with published ones.
doi: 10.1140/epja/i2017-12327-1
2017SA15 Nucl.Phys. A961, 68 (2017) A.Saxena, P.C.Srivastava, J.G.Hirsch, V.K.B.Kota, M.J.Ermamatov 35, 37, 39S isotopes in sd-pf space: Shell-model interpretation NUCLEAR STRUCTURE 35,37,39S; calculated levels, J, π, B(M1), B(E1), B(M2), B(E3) using shell model with SDPF-U interactions. Compared to data and calculations using other interactions.
doi: 10.1016/j.nuclphysa.2017.02.008
2017SA48 Phys.Rev. C 96, 024316 (2017) First-principles results for electromagnetic properties of sd shell nuclei NUCLEAR MOMENTS 17,18,19,20O, 17,18,19,20,21,22F, 19,20,21,22,23,25Ne, 20,21,22,23,25,26,27,28,29,30,31Na, 21,23,24,25,26,27,29,31Mg, 23,24,25,26,27,28,30,31,32,33Al, 27,28,29,30,33Si, 28,29,31,32P, 31,32S; calculated magnetic-dipole and electric quadrupole moments for ground states, occupancies of d3/2, d5/2, and s1/2 proton and neutron orbitals. 28Na, 25Mg, 27,28,32Al, 27,29,30Si, 28,29,31P, 32,33S; calculated dominant configuration of the wave functions. First-principles ab initio shell-model calculations using valence-space Hamiltonians derived with in-medium similarity renormalization group (IM-SRG) and the coupled-cluster effective interaction (CCEI) approaches. Comparison with experimental values, and with results from the phenomenological USDB effective interaction.
doi: 10.1103/PhysRevC.96.024316
2017SI10 Eur.Phys.J. A 53, 69 (2017) P.Singh, R.Palit, D.Choudhury, P.C.Srivastava, S.Biswas, S.Saha, J.Sethi Identification of levels above 6- isomeric state in 66Cu NUCLEAR REACTIONS 65Cu(30Si, x)66Cu, E=136 MeV; measured Eγ, Iγ(θ), γγ-coin using INGA (Indian National Gamma Array) spectrometer consisting of 19 Compton-suppressed HPGe; deduced levels, J, π, γ-ray transitions using MARCOS subroutine to sort time-stamped coincidence data, transition multipolarity; calculated levels, J, π using shell model with two different interactions.
doi: 10.1140/epja/i2017-12258-9
2017SR01 Phys.Rev. C 95, 011303 (2017) P.C.Srivastava, S.AAberg, I.Ragnarsson Triaxial rotation-axis flip triggered by an isoscalar np pair NUCLEAR STRUCTURE 64Ge, 66As; calculated total-energy surfaces in (ϵ2, γ) plane, levels, J, π of ground-state band (T=0) of 64Ge and 9+ (T=1) band in 66As, intrinsic and spectroscopic quadrupole moments, B(E2). Cranked Nilsson-Strutinsky (CNS) model. Comparison with experimental data.
doi: 10.1103/PhysRevC.95.011303
2017SR02 Acta Phys.Pol. B48, 807 (2017) High-spin Structures of the Near-spherical Nuclei 91, 92Zr
doi: 10.5506/aphyspolb.48.807
2017SR03 Eur.Phys.J. A 53, 116 (2017) Drag and diffusion of heavy quarks in a hot and anisotropic QCD medium
doi: 10.1140/epja/i2017-12299-0
2017SR05 J.Phys.(London) G44, 125107 (2017) P.C.Srivastava, R.Sahu, V.K.B.Kota Shell model results for T = 1 and T = 0 bands in 66As NUCLEAR STRUCTURE 66As; calculated energy levels, J, π, nucleon occupation numbers. Comparison with experimental data.
doi: 10.1088/1361-6471/aa946d
2016AL03 Phys.Rev.Lett. 116, 072501 (2016) M.Alanssari, D.Frekers, T.Eronen, L.Canete, J.Dilling, M.Haaranen, J.Hakala, M.Holl, M.Jeskovsky, A.Jokinen, A.Kankainen, J.Koponen, A.J.Mayer, I.D.Moore, D.A.Nesterenko, I.Pohjalainen, P.Povinec, J.Reinikainen, S.Rinta-Antila, P.C.Srivastava, J.Suhonen, R.I.Thompson, A.Voss, M.E.Wieser Single and Double Beta-Decay Q Values among the Triplet96Zr, 96Nb, and 96Mo ATOMIC MASSES 96Zr, 96Nb, 96Mo; measured time-of-flight spectra using a Ramsey excitation pattern, cyclotron-frequency ratios; deduced Q-values for β and 2β-decays. Comparison with AME2012, IGISOL-JYFLTRAP facility.
doi: 10.1103/PhysRevLett.116.072501
2016BI02 Phys.Rev. C 93, 034324 (2016) S.Biswas, R.Palit, A.Navin, M.Rejmund, A.Bisoi, M.S.Sarkar, S.Sarkar, S.Bhattacharyya, D.C.Biswas, M.Caamano, M.P.Carpenter, D.Choudhury, E.Clement, L.S.Danu, O.Delaune, F.Farget, G.de France, S.S.Hota, B.Jacquot, A.Lemasson, S.Mukhopadhyay, V.Nanal, R.G.Pillay, S.Saha, J.Sethi, P.Singh, P.C.Srivastava, S.K.Tandel Structure of 13252Te80: The two-particle and two-hole spectrum of 13250Sn82 NUCLEAR REACTIONS 232Th(7Li, F)132Te, E=5.4 MeV/nucleon; 9Be(238U, F), E=6.2 MeV/nucleon; measured Eγ, Iγ, γγ-coin, γγ(t), (fragment)γ-, (fragment)γγ-coin, γγ(θ) using INGA array at TIFR-BARC Pelletron LINAC facility for (7Li, F) reaction, and EXOGAM-VAMOS++ system at GANIL for (238U, F) reaction. 132Te; deduced high-spin levels, J, π, multipolarity, configurations, proton and neutron wavefunction amplitudes, p-n correlations at high spin. Comparison with shell-model calculations using jj55pna and modified jj55pna interactions. Systematics of positive-parity level energies in 122,124,126,128,130,132,134,136Te. NUCLEAR STRUCTURE 132Te; calculated levels, J, π, proton and neutron wavefunction amplitudes, decomposition of the total angular momentum of positive- and negative-parity states using shell model jj55pna and modified jj55pna interactions. Comparison with experimental values. 132Te, 130Sn; 130Te, 128Sn; 128Te, 126Sn; deduced energy differences between the experimental and calculated energy levels of positive-parity as a function of spin, with calculations using shell model.
doi: 10.1103/PhysRevC.93.034324
2016ER01 Pramana 86, 1055 (2016) M.J.Ermamatov, H.Yepez-Martinez, P.C.Srivastava Bohr Hamiltonian with different mass parameters applied to band structures of Eu isotopes built on Nilsson orbitals NUCLEAR STRUCTURE 153,155Eu; calculated energy levels, J, π, bands, B(E2). Comparison with experimental data.
doi: 10.1007/s12043-015-1133-2
2016HA06 Phys.Rev. C 93, 034308 (2016) M.Haaranen, P.C.Srivastava, J.Suhonen Forbidden nonunique β decays and effective values of weak coupling constants RADIOACTIVITY 113Cd, 115In(β-); calculated partial half-lives and β spectrum shapes of fourth-forbidden nonunique g.s. to g.s. β decay branches as function of axial-vector coupling constant gA using microscopic quasiparticle-phonon model (MQPM) and nuclear shell model (NSM). Comparison with experimental results. Discussed application and power of spectrum-shape method (SSM).
doi: 10.1103/PhysRevC.93.034308
2016KU14 Eur.Phys.J. A 52, 181 (2016) Shell model description of Gamow-Teller strengths in pf-shell nuclei RADIOACTIVITY 42Ti, 46Cr, 50Fe, 54Ni(β+); calculated β-decay Gamow-Teller matrix elements, B(GT) transition strength distributions using shell model restricted to the pf valence space with several effective interactions. Compared with other calculations and data.
doi: 10.1140/epja/i2016-16181-3
2016KU17 Nucl.Phys. A955, 1 (2016) N.Kumar, S.Kumar, V.Kumar, S.K.Mandal, R.Palit, S.Saha, J.Sethi, T.Trivedi, S.C.Pancholi, P.C.Srivastava Polarization measurements and high-spin states in 8638Sr48 NUCLEAR REACTIONS 76Ge(13C, 3n), E=45 MeV; measured Eγ, Iγ(θ), γγ-coin using INGA array of 15 Compton-suppressed clover HPGe. 86Sr deduced γ transitions, transition multipolarity, levels, J, π, rotational bands up to high spins, IPDCO (Integrated Polarization Direction Correlation Method) linear polarization using Compton-scattereed photons; calculated wavefunctions of different states in Band 3, levels, J, π using shell model and TAC (Tilted-Axis Cranking) with different interactions.
doi: 10.1016/j.nuclphysa.2016.05.018
2016KU21 J.Phys.(London) G43, 105104 (2016) Nuclear β--decay half-lives for fp and fpg shell nuclei RADIOACTIVITY 52,53,54,55,56,57,58Ca, 54,55,56,57,58,59,60,61Sc, 56,57,58,59,60,61,62Ti, 56,57,58,59,60,61,62,63V, 59,60,61,62,63,64Cr, 60,61,62,63,64,65Mn, 65,66Fe, 64,65,66,67Co, 67,68,69,70,71,72,73,74,75,76,77,78Ni, 68,69,70,71,72,73,74,75,76,77,78,79Cu, 73,74,75,76,77,78,79,80Zn(β-); calculated T1/2. Comparison with experimental data.
doi: 10.1088/0954-3899/43/10/105104
2016PI08 Phys.Rev. D 93, 095012 (2016) P.Pirinen, P.C.Srivastava, J.Suhonen, M.Kortelainen Shell-model study on event rates of lightest supersymmetric particles scattering off 83Kr and 125Te NUCLEAR STRUCTURE 83Kr, 125Te; calculated energy levels, J, π, B(E2), electric quadrupole and magnetic moments. Comparison with experimental data.
doi: 10.1103/PhysRevD.93.095012
2016SR03 Acta Phys.Pol. B47, 2151 (2016) P.C.Srivastava, V.Kumar, M.J.Ermamatov High-spin Structure of 87Sr and 87Zr Nuclei: Shell-model Interpretation NUCLEAR STRUCTURE 87Sr, 87Zr; calculated energy levels, J, π, B(E2) values. Nuclear shell model, JUN45 and jj44b effective interactions.
doi: 10.5506/APhysPolB.47.2151
2016SR05 Phys.Rev. C 94, 064306 (2016) Spectroscopic factor strengths using ab initio approaches NUCLEAR REACTIONS 27Al(d, 3He)26Mg, E=25 MeV; 27Al(d, t)26Al, E not given; calculated spectroscopic factors C2S for levels with L=0 and L=2, wave functions and amplitudes of different configurations. Shell-model calculations using in-medium similarity renormalization, the ab initio coupled cluster effective interaction (CCEI), and phenomenological USDB interaction. Comparison with experimental data. NUCLEAR STRUCTURE 26Mg, 26Al; calculated levels, J, π. Shell-model calculations using in-medium similarity renormalization group (IM-SRG), ab initio coupled cluster effective interaction (CCEI), and phenomenological USDB interaction. Comparison with experimental data.
doi: 10.1103/PhysRevC.94.064306
2016SU05 Phys.Rev. C 93, 024316 (2016) D.Suzuki, H.Iwasaki, D.Beaumel, M.Assie, H.Baba, Y.Blumenfeld, F.de Oliveira Santos, N.de Sereville, A.Drouart, S.Franchoo, J.Gibelin, A.Gillibert, S.Giron, S.Grevy, J.Guillot, M.Hackstein, F.Hammache, N.Keeley, V.Lapoux, F.Marechal, A.Matta, S.Michimasa, L.Nalpas, F.Naqvi, H.Okamura, H.Otsu, J.Pancin, D.Y.Pang, L.Perrot, C.M.Petrache, E.Pollacco, A.Ramus, W.Rother, P.Roussel-Chomaz, H.Sakurai, J.-A.Scarpaci, O.Sorlin, P.C.Srivastava, I.Stefan, C.Stodel, Y.Tanimura, S.Terashima Second 0+ state of unbound 12O: Scaling of mirror asymmetry NUCLEAR REACTIONS 1H(14O, t), E=51 MeV/nucleon, [14O secondary beam from 9Be(16O, X), E=90 MeV/nucleon primary reaction]; measured E(t), I(t), σ(θ), TKE versus θ(lab) using LISE spectrometer and MUST2 telescopes at GANIL. Missing-mass spectroscopy. 12O; deduced levels, J, π, L-transfers, two-proton decay width. Comparison of the second 0+ state of 12O to the mirror state in 12Be and theoretical predictions. Systematics of 0+ states in mirror nuclei pairs of 6Be-6He, 8C-8He, 10C-10Be, 12O-12Be, 14O-14C, 16Ne-16C, 18Ne-18O, 20Mg-20O, 22Mg-22Ne, 24Si-24Ne, 26Si-26Mg, 28S-28Mg, 30S-30Si, 32Ar-32Si, 34Ar-34S, 36Ca-36S, 38Ca-38Ar, 40Ti-40Ar, 42Ti-42Ca, 46Cr-46Ti, 48Ni-48Ca, 50Fe-50Cr, 54Zn-54Cr, 54Ni-54Fe and 58Zn-58Ni. Discussed importance of scaling of mirror asymmetry in the context of ab initio calculations near the drip lines.
doi: 10.1103/PhysRevC.93.024316
2016VE05 J.Phys.(London) G43, 115002 (2016) J.D.Vergados, F.T.Avignone, III, M.Kortelainen, P.Pirinen, P.C.Srivastava, J.Suhonen, A.W.Thomas Inelastic WIMP-nucleus scattering to the first excited state in 125Te NUCLEAR STRUCTURE 125Te; calculated energy levels, J, π, B(E2), B(M1). Comparison with available data.
doi: 10.1088/0954-3899/43/11/115002
2015KU12 Mod.Phys.Lett. A 30, 1550093 (2015) V.Kumar, P.C.Srivastava, I.O.Morales High-spin structures of 77, 79, 81, 83As isotopes NUCLEAR STRUCTURE 77,79,81,83As; calculated energy levels, J, π, high-spin states. Shell model, JUN45 and jj44b effective interactions.
doi: 10.1142/s0217732315500935
2015KU22 Nucl.Phys. A942, 1 (2015) V.Kumar, P.C.Srivastava, M.J.Ermamatov, I.O.Morales Analysis of proton and neutron pair breakings: High-spin structures of 124-127Te isotopes NUCLEAR STRUCTURE 124,125,126,127Te; calculated levels, J, π, separately positive and negative parity states, high spin, rotational bands, B(E2), B(E3), B(M2), B(M4) using state-of-the-art shell model. Compared with recent data.
doi: 10.1016/j.nuclphysa.2015.07.012
2015MA10 Phys.Rev. C 91, 024321 (2015) B.Maheshwari, A.K.Jain, P.C.Srivastava 6+ isomers in neutron-rich Sn isotopes beyond N=82 and effective interactions NUCLEAR STRUCTURE 134,136,138Sn; calculated levels, J, π, B(E2), energies of 6+ seniority isomers, average occupancy of f7/2 and p3/2 orbitals. Shell-model calculations using RCDB effective interaction. Comparison with experimental data and systematics. Modification needed in the RCDB interaction beyond the N=82 magic number.
doi: 10.1103/PhysRevC.91.024321
2015SI16 Phys.Rev. C 92, 034916 (2015) C.R.Singh, P.K.Srivastava, S.Ganesh, M.Mishra Unified description of charmonium suppression in a quark-gluon plasma medium at RHIC and LHC energies
doi: 10.1103/PhysRevC.92.034916
2015SR01 Eur.Phys.J. A 51, 3 (2015) P.C.Srivastava, R.Sahu, V.K.B.Kota Shell model and deformed shell model spectroscopy of 62Ga NUCLEAR STRUCTURE 62Ga; calculated HF levels, J, π, state configuration, B(E2), B(M1) using shell model and deformed shell model. Compared to data.
doi: 10.1140/epja/i2015-15003-6
2015SR02 Phys.Rev. C 91, 044903 (2015) P.K.Srivastava, L.Thakur, B.K.Patra Electrical conductivity of an anisotropic quark gluon plasma: A quasiparticle approach
doi: 10.1103/PhysRevC.91.044903
2015VE08 Phys.Rev. D 92, 015015 (2015) J.D.Vergados, F.T.Avignone, III, P.Pirinen, P.C.Srivastava, M.Kortelainen, J.Suhonen Theoretical direct WIMP detection rates for transitions to the first excited state in 83Kr NUCLEAR STRUCTURE 83Kr; calculated energy levels, J, π, B(E2), B(M1), electric quadrupole moments. Comparison with available data.
doi: 10.1103/PhysRevD.92.015015
2014HA33 Phys.Rev. C 90, 044314 (2014) M.Haaranen, P.C.Srivastava, J.Suhonen, K.Zuber β-decay half-life of 50V calculated by the shell model RADIOACTIVITY 50V(β-), (EC); calculated one-body transition densities (OBTDs) and nuclear matrix elements (NMEs), partial half-lives for 4th-forbidden non-unique β transitions from 6+ ground state of 50V to first 2+ states in 50Cr and 50Ti. Shell model calculations with the GXPF1A interaction in the full f-p shell. Comparison with experimental half-lives. NUCLEAR STRUCTURE 50Ti, 50V, 50Cr; calculated levels, J, π, B(E2), electric quadrupole and magnetic dipole moments. Comparison with experimental results. Shell model calculations with the GXPF1A interaction in the full f-p shell.
doi: 10.1103/PhysRevC.90.044314
2014KU19 Phys.Rev. C 90, 024315 (2014) S.Kumar, N.Kumar, S.Mandal, S.C.Pancholi, P.C.Srivastava, A.K.Jain, R.Palit, S.Saha, J.Sethi, B.S.Naidu, R.Donthi, P.K.Joshi, T.Trivedi, S.Muralithar, R.P.Singh, R.Kumar, A.Dhal, R.K.Bhowmik High spin band structure of 8538Sr47 NUCLEAR REACTIONS 76Ge(13C, 4n), E=45 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linear polarization) using INGA array at TIFR Pelletron facility. 85Sr; deduced high-spin levels, J, π, multipolarity, bands, magnetic-dipole (shears) rotational band, B(M1)/B(E2) ratios, signature splitting, alignments, configurations. Comparison with large-scale shell model, and tilted axis cranking calculations. NUCLEAR STRUCTURE 85Sr; calculated levels, J, π, configurations using large-scale shell model with JUN45 and jj44b interactions. Comparison with experimental data.
doi: 10.1103/PhysRevC.90.024315
2014RU08 Nucl.Data Sheets 120, 37 (2014) B.Rubio, S.E.A.Orrigo, L.Kucuk, A.Montaner-Piza, Y.Fujita, H.Fujita, B.Blank, W.Gelletly, T.Adachi, J.Agramunt, A.Algora, P.Ascher, B.Bilgier, L.Caceres, R.B.Cakirli, G.de France, E.Ganioglu, M.Gerbaux, J.Giovinazzo, S.Grevy, O.Kamalou, H.C.Kozer, T.Kurtukian-Nieto, F.M.Marques, F.Molina, Y.Oktem, F.de Oliveira Santos, L.Perrot, L.Popescu, R.Raabe, A.M.Rogers, P.C.Srivastava, G.Susoy, T.Suzuki, A.Tamii, J.C.Thomas Beta Decay Study of the Tz = -256Zn Nucleus and the Determination of the Half-Lives of a Few fp-shell Nuclei RADIOACTIVITY 56,58,59Zn, 53Co(EC), (β+p), 55Ni(EC); measured decay products, Ep, Ip.; deduced energy levels, J, π, total proton branching ratios, β-delayed γ-emission.
doi: 10.1016/j.nds.2014.06.135
2014SA26 Phys.Rev. C 89, 044315 (2014) S.Saha, R.Palit, J.Sethi, S.Biswas, P.Singh, T.Trivedi, D.Choudhury, P.C.Srivastava Investigation of the high spin structure of 88Zr NUCLEAR REACTIONS 80Se(13C, 5n), E=60 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γ(linear polarization) using INGA array at TIFR-BARC PLF facility. 88Zr; deduced high-spin levels, J, π, multipolarity, configurations. Comparison with large-scale shell model calculations using JUN45 and jj44b interactions. NUCLEAR STRUCTURE 88Zr; calculated levels, J, π, configuration amplitudes, particle occupation. Large-scale shell model calculations using JUN45 and jj44b interactions. Comparison with experimental data.
doi: 10.1103/PhysRevC.89.044315
2014SI15 Phys.Rev. C 90, 014306 (2014) P.Singh, R.Palit, S.Saha, J.Sethi, S.Biswas, D.Choudhury, P.C.Srivastava, T.Trivedi Yrast structure of the shell model nucleus 89Nb NUCLEAR REACTIONS 65Cu(28Si, 2n2p), E=105 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(ADO ratios), γ(linear polarization) using INGA array at 14UD TIFR-BARC Pelletron facility. 89Nb; deduced high-spin levels, J, π, multipolarity, configurations, bands. Comparison with large-scale shell model calculations, and with systematics of level structures in N=48 isotones 89Nb, 91Tc, 93Rh, 95Ag. NUCLEAR STRUCTURE 89Nb; calculated levels, J, π, configurations, partitions of wave functions. Large-scale shell model calculations using JUN45 and jj44b interactions.
doi: 10.1103/PhysRevC.90.014306
2014SR03 Phys.Atomic Nuclei 77, 1334 (2014) P.C.Srivastava, V.Kumar, M.J.Ermamatov High-spin structures of 86, 87, 88, 89Y isotopes NUCLEAR STRUCTURE 86,87,88,89Y; calculated energy levels, J, π. Shell model calculations, comparison with experimental data.
doi: 10.1134/S1063778814100111
2013AS05 Phys.Rev. C 87, 054316 (2013) A.Astier, M.-G.Porquet, G.Duchene, F.Azaiez, D.Curien, I.Deloncle, O.Dorvaux, B.J.P.Gall, M.Houry, R.Lucas, P.C.Srivastava, N.Redon, M.Rousseau, O.Stezowski, Ch.Theisen High-spin structures of 13655Cs81 NUCLEAR REACTIONS 238U(12C, F), E=90 MeV; 208Pb(18O, X), E=85 MeV; measured Eγ, Iγ, (fragment)γ-, γγ-coin, conversion coefficients using Euroball array at Legnaro XTU Tandem accelerator and IReS, Strasbourg facilities. 136Cs; deduced high-spin levels, J, π, conversion coefficients, multipolarity, configurations. Comparison with shell-model calculations using SN100PN interaction.
doi: 10.1103/PhysRevC.87.054316
2013KU23 Int.J.Mod.Phys. E22, 1350091 (2013) Structure of odd 79, 81, 83Se isotopes with proton and neutron excitations across Z=28 and N=40 NUCLEAR STRUCTURE 79,81,83Se; calculated energy levels, J, π, occupation number, B(E2), magnetic dipole moments. Comparison with available data.
doi: 10.1142/S0218301315500912
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