NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = S.Rai Found 26 matches. 2023CH32 J.Phys.(London) G50, 075106 (2023) S.Chakraborty, H.P.Sharma, S.Jehangir, S.S.Tiwary, C.Majumder, A.K.Gupta, G.H.Bhat, J.A.Sheikh, N.Rather, P.Banerjee, S.Ganguly, S.Rai, Pragati, S.Muralithar, R.P.Singh, S.S.Bhattacharjee, S.Kumar, Mayank, A.Kumar, R.Palit Three-quasineutron γ-band in 127Xe NUCLEAR REACTIONS 122Sn(9Be, 4n), E=48 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies and relative intensities, J, π, partial level scheme, structures of negative parity multi-quasiparticle states, new negative parity bands. Comparison with the triaxial projected shell model (TPSM) approach. The Indian National Gamma Array (INGA), the 15UD pelletron accelerator facility at Inter-University Accelerator Centre (IUAC), New Delhi.
doi: 10.1088/1361-6471/acd86a
2023CH36 Nucl.Phys. A1037, 122706 (2023) S.Chakraborty, H.P.Sharma, S.S.Tiwary, C.Majumder, A.K.Gupta, P.Banerjee, S.Ganguly, S.Rai, Pragati, Mayank, S.Kumar, A.Kumar, R.Palit, S.S.Bhattacharjee, R.P.Singh, S.Muralithar Incipient reflection asymmetry in 127Xe NUCLEAR REACTIONS 122Sn(9Be, Xn)127Xe/126Xe/128Xe, E=48 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies and relative intensities, J, π, partial level scheme, B(E1)/B(E2). 15UD palletron accelerator of Inter-University Accelerator Centre (IUAC), New Delhi.
doi: 10.1016/j.nuclphysa.2023.122706
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
2022MA17 Phys.Rev. C 105, 034328 (2022) K.Mandal, A.Chakraborty, A.K.Mondal, U.S.Ghosh, A.Dey, S.Biswas, B.Mukherjee, S.Rai, S.Chatterjee, S.K.Das, S.Samanta, R.Raut, S.S.Ghugre, S.Bhattacharyya, S.Nandi, S.Bhattacharya, G.Mukherjee, S.Ali, A.Goswami, S.Mukhopadhyay, Krishichayan, R.Banik, R.Chakrabarti, V.Kumar, A.Kumar Alignment effects in the medium-spin level structure of 78Se NUCLEAR REACTIONS 76Ge(α, 2n), E=30 MeV; measured Eγ, Iγ, γγ(θ), gγ∓coin. 78Se; deduced levels J, π, DCO, polarization asymmetry, multipolarity, rotational band structures, configurations, alignments, high-spin states; calculated total Routhian surface (TRS) contours in (β2, γ) plane. Pointed the evidences of triaxial shapes persistence in the higher spin regime. Systematics of crossing frequencies for Se isotopes. Indian National Gamma Array (INGA) together with one low-energy photon spectrometer (LEPS) at K-130 cyclotron of Variable Energy Cyclotron Centre, Kolkata (VECC).
doi: 10.1103/PhysRevC.105.034328
2022RA18 Phys.Rev. A 106, 012804 (2022) S.Rai, K.I.Bijlsma, I.Rabadan, L.Mendez, P.A.J.Wolff, M.Salverda, O.O.Versolato, R.Hoekstra Charge exchange in collisions of 1-100-keV Sn3+ ions with H2 and D2 NUCLEAR REACTIONS 1,2H(Sn, X), E=1-100 keV; measured reaction products; deduced absolute cross sections for single electron capture by Sn. Electron Cyclotron Resonance Ion Source (ECRIS) stationed at the ZERNIKE Low Energy Ion-Beam Facility (ZERNIKELEIF) at the University of Groningen.
doi: 10.1103/PhysRevA.106.012804
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
2021CH58 Int.J.Mod.Phys. E30, 2150085 (2021) S.Chakraborty, H.P.Sharma, S.S.Tiwary, C.Majumder, A.K.Gupta, P.Banerjee, S.Ganguly, S.Rai, Pragati, Mayank, S.Kumar, S.S.Bhattacharjee, R.P.Singh, S.Muralithar, A.Kumar, R.Palit A note on the parity of Iπ = 5- state in 126, 128Xe NUCLEAR REACTIONS 122Sn(9Be, 5n), (9Be, 3n), E=48 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies and intensities, J, π, level scheme, Weisskopf transition rates, Directional Correlations from Oriented states ratios (RDCO) and linear polarization asymmetries. The 15UD pelletron accelerator facility of Inter-University Accelerator Centre, New Delhi. INGA spectrometer.
doi: 10.1142/S0218301321500853
2020BI07 Phys.Rev. C 102, 014613 (2020) S.Biswas, A.Chakraborty, A.Jhingan, D.Arora, B.R.Behera, R.Biswas, N.K.Deb, S.S.Ghugre, P.K.Giri, K.S.Golda, G.Kaur, A.Kumar, M.Kumar, B.Mukherjee, B.K.Nayak, A.Parihari, N.K.Rai, S.Rai, R.Raut, R.N.Sahoo, A.K.Sinha Quasielastic scattering measurements in the 28Si + 142, 150Nd systems NUCLEAR REACTIONS 142,150Nd(28Si, 28Si), (28Si, 28Si'), E=84-136 MeV; measured reaction products, E-ΔE correlation plots, quasielastic scattering σ(E) at the 15 UD Pelletron accelerator of IUAC-New Delhi; deduced barrier distributions. Comparison with coupled-channel calculations using CCFULL code.
doi: 10.1103/PhysRevC.102.014613
2020CH05 Nucl.Phys. A996, 121687 (2020) S.Chakraborty, H.P.Sharma, S.S.Tiwary, C.Majumder, P.Banerjee, S.Ganguly, S.Rai, Pragati, Mayank, S.Kumar, A.Kumar, R.Palit, S.S.Bhattacharjee, R.P.Singh, S.Muralithar γ-vibration in 126Xe: A revisit
doi: 10.1016/j.nuclphysa.2019.121687
2020CH11 Eur.Phys.J. A 56, 50 (2020) S.Chakraborty, H.P.Sharma, S.S.Tiwary, C.Majumder, P.Banerjee, S.Ganguly, S.Rai, P.Popli, S.Modi, P.Arumugam, M.Singh, S.Kumar, A.Kumar, S.S.Bhattacharjee, R.P.Singh, S.Muralithar, R.Palit Signature splitting in the positive parity bands of 127Xe
doi: 10.1140/epja/s10050-020-00066-3
2020CH46 Phys.Lett. B 811, 135854 (2020) S.Chakraborty, H.P.Sharma, S.S.Tiwary, C.Majumder, A.K.Gupta, P.Banerjee, S.Ganguly, S.Rai, Pragati, Mayank, S.Kumar, A.Kumar, R.Palit, S.S.Bhattacharjee, R.P.Singh, S.Muralithar Multiphonon longitudinal wobbling in 127Xe NUCLEAR REACTIONS 122Sn(9Be, X)127Xe, E=48 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, E2 fraction, wobbling bands. Comparison with available data.
doi: 10.1016/j.physletb.2020.135854
2020CH48 J.Phys.(London) G47, 015103 (2020) S.Chakraborty, H.P.Sharma, S.S.Tiwary, C.Majumder, P.Banerjee, S.Ganguly, S.Rai, Pragati, S.Muralithar, R.P.Singh, S.S.Bhattacharjee, S.Kumar, Mayank, A.Kumar, R.Palit Possible antimagnetic rotational band in 127Xe NUCLEAR REACTIONS 122Sn(9Be, 4n)127Xe, E=48 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced γ-ray energies and intensities, branching ratios, J, π, bands. Comparison with semiclassical particles-plus-rotor model calculations.
doi: 10.1088/1361-6471/ab5374
2020GH08 Phys.Rev. C 102, 024328 (2020) U.S.Ghosh, S.Rai, B.Mukherjee, A.Biswas, A.K.Mondal, K.Mandal, A.Chakraborty, S.Chakraborty, G.Mukherjee, A.Sharma, I.Bala, S.Muralithar, R.P.Singh Spectroscopic investigation of complex nuclear excitations in 66Ga NUCLEAR REACTIONS 52Cr(18O, 3np)66Ga, E=72.5 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linear polarization) using the INGA array of 14 Compton-suppressed HPGe clover detectors at the 15-UD pelletron accelerator of IUAC-New Delhi. 66Ga; deduced high-spin levels, J, π, bands, multipolarities, configurations. Comparison with shell model calculations with jj44bpn and jun45pn interactions using NUSHELLX@MSU code. Comparison with data in the ENSDF database, and with 68Ga structure. NUCLEAR STRUCTURE 66Ga; calculated levels, J, π, occupation probabilities of the f5/2, p3/2, p1/2, and g9/2 orbitals for protons and neutrons, configurations with the highest probabilities using shell model with jj44bpn and jun45pn interactions and NUSHELLX@MSU code. Comparison with experimental data.
doi: 10.1103/PhysRevC.102.024328
2020GH09 Int.J.Mod.Phys. E29, 2050045 (2020) Shell model study of nuclear structure in 63, 65, 67Ga NUCLEAR STRUCTURE 63,65,67Ga; calculated energy levels, J, π, B(E2), level T1/2, occupation probabilities using the jj44bpn and jun45pn Hamiltonian with two different sets of effective charges.
doi: 10.1142/S0218301320500457
2020MO41 Phys.Rev. C 102, 064311 (2020) A.K.Mondal, A.Chakraborty, K.Mandal, U.S.Ghosh, An.Dey, S.Biswas, B.Mukherjee, S.Rai, Krishichayan, S.Chatterjee, S.K.Das, S.Samanta, R.Raut, S.S.Ghugre, S.Rajbanshi, R.Banik, S.Bhattacharyya, S.Nandi, S.Bhattacharya, G.Mukherjee, S.Ali, A.Goswami, R.Chakrabarti, S.Mukhopadhyay, A.K.Sinha, V.Kumar, A.Kumar Investigation of different possible excitation modes in neutron-rich 78As NUCLEAR REACTIONS 76Ge(α, np)78As, E=30, 35, 40 MeV; measured Eγ, Iγ, γγ-coin, excitation functions, γγ(θ)(DCO), γγ(linear polarization) using INGA array of six Compton-suppressed HPGe Clover detectors and one LEPS detector at the K-130 cyclotron facility of VECC-Kolkata. 78As; deduced levels, J, π, multipolarities, dipole bands, B(E2), B(M1)/B(E2) ratios, configurations, possible stapler structure of the dipole bands; calculated total Routhian surfaces for the dipole bands. Comparison with large-scale shell-model calculations using JUN45 and jj44b interactions.
doi: 10.1103/PhysRevC.102.064311
2020RA28 Phys.Rev. C 102, 064313 (2020) S.Rai, U.S.Ghosh, B.Mukherjee, A.Biswas, A.K.Mondal, K.Mandal, A.Chakraborty, S.Chakraborty, G.Mukherjee, A.Sharma, I.Bala, S.Muralithar, R.P.Singh Evolution of collectivity and shape transition in 66Zn NUCLEAR REACTIONS 52Cr(18O, 2n2p)66Zn, E=72.5 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linear polarization) using INGA array of 14 Compton-suppressed HPGe Clover detectors at the tandem accelerator facility of IUAC-New Delhi. 66Zn; deduced levels, J, π, multipolarities, configurations, alignments, terminating states, shape transitions; calculated total Routhian surfaces (TRS) based on Hartree-Fock-Bogoliuobov formalism.
doi: 10.1103/PhysRevC.102.064313
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
2019CH15 Europhys.Lett. 125, 52001 (2019) S.Chakraborty, H.P.Sharma, S.S.Tiwary, C.Majumder, P.Banerjee, S.Ganguly, S.Rai, Pragati, Mayank, S.Kumar, A.Kumar, S.S.Bhattacharjee, R.P.Singh, S.Muralithar Search for the 23/2+ isomeric state in 125 Te NUCLEAR REACTIONS 122Sn(9Be, X)125Te, E=48 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, high-spin states, isomeric state. Comparison with systematics.
doi: 10.1209/0295-5075/125/52001
2019GH09 Phys.Rev. C 100, 034314 (2019) U.S.Ghosh, S.Rai, B.Mukherjee, A.Biswas, A.K.Mondal, K.Mandal, A.Chakraborty, S.Chakraborty, G.Mukherjee, A.Sharma, I.Bala, S.Muralithar, R.P.Singh In-beam spectroscopic study of 63Zn NUCLEAR REACTIONS 52Cr(18O, 3nα), E=72.5 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), linear polarization asymmetries using the INGA array with 14 Compton-suppressed HPGe clover detectors at the 15-UD pelletron accelerator of IUAC-New Delhi. 63Zn; deduced high-spin levels, J, π; calculated total-Routhian surfaces (TRS) using Hartree-Fock-Bogoliubov approach. Comparison with shell-model calculations. NUCLEAR STRUCTURE 63Zn; calculated levels, J, π, proton and neutron orbitals occupation probabilities using shell model code NUSHELLX with jj44bpn interaction in the f5/2pg9/2 model space; calculated TRS, and collective excitations with triaxial and prolate shapes using a computer code based on Hartree-Fock-Bogoliubov approach. Comparison with experimental data.
doi: 10.1103/PhysRevC.100.034314
2019TI07 Eur.Phys.J. A 55, 163 (2019) S.S.Tiwary, H.P.Sharma, S.Chakraborty, C.Majumder, G.H.Bhat, J.A.Sheikh, P.Baneerjee, S.Ganguly, S.Rai, Pragati, Mayank, S.Kumar, A.Kumar, S.S.Bhattacharjee, R.P.Singh, S.Muralithar Observation of quasi-γ bands in Te nuclei NUCLEAR REACTIONS 122Sn(9Be, 3nα)124Te, E=48 MeV; measured Eγ, Iγ(θ), γγ-coin, γγγ-coin using INGA array (14 Compton suppressed HPGe clover detectors); deduced energy and intensity of coin using symmetric Eγ-Eγ γ-transitions, multiplicity using asymmetric Eγ-Eγ matrices and INGASORT and RADWARE codes, level energies; deduced, verified 124Te yrast band up to 4596 keV, other rotational bands, relative intensity of γ transitions, RDCO, polarization asymmetry.
doi: 10.1140/epja/i2019-12842-y
2018CH24 Phys.Rev. C 97, 054311 (2018); Erratum Phys.Rev. C 98, 059902 (2018) S.Chakraborty, H.P.Sharma, S.S.Tiwary, C.Majumder, P.Banerjee, S.Ganguly, S.Rai, Pragati, S.Modi, P.Arumugam, Mayank, S.Kumar, R.Palit, A.Kumar, S.S.Bhattacharjee, R.P.Singh, S.Muralithar Rotational band on a three-quasineutron isomer in 127Xe NUCLEAR REACTIONS 122Sn(9Be, 4n), E=48 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linear polarization), and half-lives of isomers by γγ(t) using INGA array at 15UD pelletron accelerator of IUAC-New Delhi. 127Xe; deduced high-spin levels, J, π, bands, multipolarities, configurations, alignment plots, 3-qp states, reduced K-hindrance factors for γ transitions from 3-qp states in 127Xe and 129Ba. Comparison with modified particle rotor model (MPRM) calculations.
doi: 10.1103/PhysRevC.97.054311
2018CH29 Europhys.Lett. 121, 42001 (2018) S.Chakraborty, H.P.Sharma, S.S.Tiwary, C.Majumder, P.Banerjee, S.Ganguly, S.Rai, Pragati, Mayank, S.Kumar, S.S.Bhattacharjee, R.P.Singh, S.Muralithar, A.Kumar, R.Palit Revised level structure of 127Xe NUCLEAR REACTIONS 122Sn(9Be, 4n)127Xe, E=48 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π. Comparison with available data.
doi: 10.1209/0295-5075/121/42001
2018PR03 Phys.Rev. C 97, 044309 (2018) Pragati, A.Y.Deo, S.K.Tandel, S.S.Bhattacharjee, S.Chakraborty, S.Rai, S.G.Wahid, S.Kumar, S.Muralithar, R.P.Singh, I.Bala, R.Garg, A.K.Jain Parity doublet structures in doubly-odd 216Fr NUCLEAR REACTIONS 208Pb(11B, 3n), E=54-62 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linear polarization) using the INGA array at the 15-UD pelletron accelerator facility of IUAC, New Delhi. 216Fr; deduced high-spin levels, J, π, parity doublet (simplex-partner) structures, B(E1)/B(E2) ratios, and enhancement of octupole correlations. Systematics of E1 energy splitting, and angular momentum versus rotational frequency plots for 216Fr, 219,223Th, 218,220Ac, and B(E1)/B(E2) ratios for 216Fr and 218Ac.
doi: 10.1103/PhysRevC.97.044309
2018RA15 Eur.Phys.J. A 54, 84 (2018) S.Rai, B.Mukherjee, U.S.Ghosh, A.Biswas, A.Chakraborty, A.K.Mondal, S.Chakraborty, G.Mukherjee, I.Bala, R.P.Singh High spin states in 63Cu NUCLEAR REACTIONS 52Cr(18O, 2npα), E=72.5 MeV; measured Eγ, Iγ, γγ-coin using 14 Compton suppressed Ge clover detectors os INGA (Indian National Gamma-ray Array). 63Cu; deduced γ-ray transitions, levels, J, π up to spin 25/2 and energy ≈ 8.36 MeV; calculated levels, J, π using shell model with two effective interactions; deduced major contributing configurations, proton and neutron orbitals occupation probabilities.
doi: 10.1140/epja/i2018-12518-2
2017CH46 Braz.J.Phys. 47, 406 (2017) S.Chakraborty, H.P.Sharma, S.S.Tiwary, C.Majumder, P.K.Prajapati, S.Rai, P.Popli, M.Singh, S.S.Bhattacharjee, R.P.Singh, S.Muralithar, P.Banerjee, S.Ganguly, S.Kumar, A.Kumar, R.Palit Two-Neutron Alignment in 127Xe NUCLEAR REACTIONS 122Sn(9Be, 4n)127Xe, E=48 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies and intensities, J, π, high-spin states. Comparison with Routhian calculations.
doi: 10.1007/s13538-017-0513-0
2016RA37 Int.J.Mod.Phys. E25, 1650099 (2016) Nuclear structure of low-lying states in 60, 62, 64, 66Zn - A shell model description NUCLEAR STRUCTURE 60,62,64,66Zn; calculated level energy, occupation numbers, B(E2). Comparison with available data. NuShellX code with two different effective Hamiltonians, viz. JUN45 and jj44b interactions.
doi: 10.1142/S0218301316500993
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