NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = S.S.Tiwary 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
2023MU10 Phys.Rev. C 107, 054310 (2023) A.Mukherjee, S.Bhattacharya, T.Trivedi, S.Tiwari, R.P.Singh, S.Muralithar, Yashraj, K.Katre, R.Kumar, R.Palit, S.Chakraborty, S.Jehangir, N.Nazir, S.P.Rouoof, G.H.Bhat, J.A.Sheikh, N.Rather, R.Raut, S.S.Ghugre, S.Ali, S.Rajbanshi, S.Nag, S.S.Tiwary, A.Sharma, S.Kumar, S.Yadav, A.K.Jain Evidence of transverse wobbling motion in 151Eu NUCLEAR REACTIONS 148Nd(7Li, 4n)151Eu, E=30 MeV; measured Eγ, Iγ, γγ-coin γγ(θ). 151Eu; deduced levels, J, π, high-spin states, directional correlation of oriented states (DCO) ratio, polarization asymmetries, mixing ratios, δ, rotational bands structure, B(E2in)/B(E2out), B(M1in)/B(E2out). Comparison to triaxial projected shell model calculations. Evidences of presence of transverse wobbling in 151Eu. Systematics of wobbling excitation energies for 151Eu, 135Pr, 133Ba, 183Au, 187Au, 133La and 127Xe. Indian National Gamma Array (INGA) consisting of 16 Compton suppressed clover detectors and 2 ancillary LEPS detectors at 15 UD pelletron (IUAC, New Delhi).
doi: 10.1103/PhysRevC.107.054310
2021CH23 Int.J.Mod.Phys. E30, 2150030 (2021) S.Chakraborty, H.P.Sharma, S.S.Tiwary, C.Majumder, A.K.Gupta, A.Kumar, P.Banerjee, S.Ganguly, S.Kumar, A.Kumar, R.P.Singh, S.Muralithar Octupole correlations in 127I NUCLEAR REACTIONS 124Sn(7Li, 4n), E=33 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies and intensities, J, π, B(E1)/B(E2), intrinsic electric dipole moment, γ-ray angular distribution asymmetry ratios.
doi: 10.1142/S0218301321500300
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
2021KU10 Phys.Rev. C 103, 034315 (2021) A.Kundu, Md.S.R.Laskar, R.Palit, R.Raut, S.Santra, N.Shimizu, T.Togashi, E.Ideguchi, H.Pai, S.Ali, F.S.Babra, R.Banik, S.Bhattacharya, S.Biswas, B.Das, P.Dey, R.Donthi, A.Goswami, S.Jadhav, G.Mukherjee, B.S.Naidu, S.Rajbanshi, L.P.Singh, H.P.Sharma, S.S.Tiwary, A.T.Vazhappilly New lifetime measurement for the 2+1 level in 112Sn by the Doppler-shift attenuation method NUCLEAR REACTIONS 112Sn(35Cl, 35Cl'), E=195 MeV; measured Eγ, Iγ, γγ-coin, half-lives of the first 2+ and 3- states from Doppler broadening using INGA array at BARC-TIFR Pelletron LINAC Facility. 112Sn; deduced levels, J, π, B(E2), B(E1); calculated potential energy surface in (Q2, Q4) plane using Q-constrained Hartree-Fock method. Comparison with previous measurements, and with generalized seniority model (GSM) and state-of-the-art Monte Carlo shell model (MCSM) calculations. Systematics of B(E2) for the first 2+ states in A=112-124 Sn nuclei.
doi: 10.1103/PhysRevC.103.034315
2021SH09 Phys.Rev. C 103, 024324 (2021) A.Sharma, R.Raut, S.Muralithar, R.P.Singh, S.S.Bhattacharjee, S.Das, S.Samanta, S.S.Ghugre, R.Palit, S.Jehangir, N.Rather, G.H.Bhat, J.A.Sheikh, S.S.Tiwary, Neelam, P.V.Madhusudhana Rao, U.Garg, S.K.Dhiman Evidence of antimagnetic rotational motion in 103Pd NUCLEAR REACTIONS 94Zr(13C, 4n)103Pd, E=55 MeV; measured Eγ, Iγ, half-lives of levels in the negative-parity yrast band by Doppler-shift attenuation method (DSAM) using the INGA array of 18 Compton suppressed HPGe clover detectors. 103Pd; deduced levels, J, π, B(E2), configurations, dynamic moment of inertia, antimagnetic rotational (AMR) band structure; calculated total Routhian surface (TRS) contour for the negative-parity yrast band in (β2cos(γ+30°), β2sin(γ+30°)) plane, and quasiparticle Routhians for proton and neutron using cranked-shell model. Comparison of spin versus angular frequency distribution and B(E2) values with tilted-axis cranked-shell model calculations based on the covariant density functional theory, and with semi-classical particle-rotor model calculations.
doi: 10.1103/PhysRevC.103.024324
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
2020CH36 J.Phys.(London) G47, 095104 (2020) S.Chakraborty, H.P.Sharma, S.S.Tiwary, C.Majumder, P.Banerjee, S.Ganguly, S.Kumar, A.Kumar, A.Kumar, R.P.Singh, S.Muralithar Indication of g-vibration in 123, 125, 127I NUCLEAR REACTIONS 124Sn(7Li, 4n), E=33 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced γ-ray energies, level schemes, bands, high-spin states, possible existence of γ-vibration and chiral rotation. Comparison with systematics.
doi: 10.1088/1361-6471/ab97c8
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
2020GA04 Acta Phys.Pol. B51, 473 (2020) S.Ganguly, C.Majumder, S.S.Tiwary, H.P.Sharma, S.Chakraborty Magnetic Rotation in 60Ni: A Semiclassical Description NUCLEAR STRUCTURE 60Ni; calculated magnetic dipole bands, B(M1) using semiclassical particle rotor model. Comparison with available data.
doi: 10.5506/aphyspolb.51.473
2020GA28 Int.J.Mod.Phys. E29, 2050055 (2020) S.Ganguly, S.Chakraborty, C.Majumder, S.S.Tiwary, H.P.Sharma Total Routhian surface calculations to study the abrupt band termination phenomenon in 121, 123I NUCLEAR STRUCTURE 119,121,123I; analyzed available data on J, π, level energies; calculated total Routhian surface (TRS), transition quadrupole moments; deduced noncollective oblate shapes become yrast at higher angular frequency and at lower spin, all of these nuclei exhibit a collective prolate shape, loss of collectivity. Comparison with experimental data.
doi: 10.1142/S021830132050055X
2020MA55 J.Phys.(London) G46, 125104 (2020) C.Majumder, H.P.Sharma, S.Chakraborty, S.S.Tiwary, R.P.Singh, S.Muralithar, I.Bala, S.S.Bhattacharjee, R.Garg, Neelam, A.Sharma, P.V.Madhusudhana Rao Lifetime measurements in 104Pd NUCLEAR REACTIONS 94Zr(13C, 3n), E=55 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies and intensities, J, π, lifetimes, B(E2), negative parity bands. Comparison with Woods-Saxon total Routhian surface calculations.
doi: 10.1088/1361-6471/abb785
2020TI04 Phys.Scr. 95, 095304 (2020) S.S.Tiwary, H.P.Sharma, S.Chakraborty, C.Majumder, A.K.Gupta, S.Modi, P.Arumugam, P.Banerjee, S.Ganguly, K.Rojeeta Devi, Neelam, S.Kumar, S.K.Chamoli, A.Sharma, V.V.Jyothi, Mayank, A.Kumar, S.S.Bhattacharjee, I.Bala, S.Muralithar, R.P.Singh Structure of positive parity states in 139Pm NUCLEAR REACTIONS 127I(16O, 4n)139Pm, E=84 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies and intensities, J, π, partial level scheme, bands. Comparison with systematics, particle rotor model calculations.
doi: 10.1088/1402-4896/abaea8
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
2019CH28 Eur.Phys.J. A 55, 46 (2019) S.Chakraborty, H.P.Sharma, S.S.Tiwary, C.Majumder, P.Banerjee, S.Ganguly, S.Muralithar, R.P.Singh, G.H.Bhat, J.A.Sheikh, R.Palit γ-vibration in 198Hg NUCLEAR REACTIONS 197Au(7Li, α2nγ), E=33, 38 MeV; measured Eγ, Iγ, γγ-coin using Indian Gamma Ray Array (INGA) of 15 Compton suppressed clover detector using Collection and Analysis of Nuclear Data using Linux nEtwork (CANDLE) CAMAC-based data acquisition system; calculated band structure using microscopic Triaxial Projected Shell Model (TPSM); deduced E(4+)/E(2+) ratio vs nuclear mass (isotopes of Hg, Pt, Os), γ-ray transitions, low-lying levels, J, π using Directional Correlation of Oriented states (DCO) ratios, linear polarization asymmetries.
doi: 10.1140/epja/i2019-12707-5
2019MA91 Braz.J.Phys. 49, 539 (2019) C.Majumder, H.P.Sharma, S.S.Tiwary, S.Chakraborty Possible Antimagnetic Rotational Band in 102Ru NUCLEAR STRUCTURE 102Ru; calculated levels, J, π for the g.s. band, dynamic moment of inertia versus spin; deduced possible anti-magnetic rotational character of states between 14+ and 24+. Semiclassical particle-rotor model calculations. Comparison with g.s. bands in 104Pd and 106Cd.
doi: 10.1007/s13538-019-00667-4
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
2018CH43 Eur.Phys.J. A 54, 112 (2018) S.Chakraborty, H.P.Sharma, S.S.Tiwary, C.Majumder, P.Banerjee, S.Ganguly, S.Kumar, A.Kumar, A.Kumar, S.Muralithar Negative parity three-quasiparticle band in 127I NUCLEAR REACTIONS 124Sn(7Li, 4nγ), E=33 MeV; measured Eγ, Iγ(θ), γγ-coin using 15 clover Compton suppressed detectors of INGA (Indian National Gamma Array); deduced 127I γ-ray transitions, levels, J, π, energy, high-spin states, linear polarization asymmetries, γ-intensity ratio of different negative parity states populated from the 2423 keV state (compared to Weisskopf transition rates) using CANDLE (Collection and Analysis of Nuclear Data using Linux nEtwork) and INGAsort and RadWare codes.
doi: 10.1140/epja/i2018-12540-4
2018CH50 Phys.Scr. 93, 115302 (2018) S.Chakraborty, H.P.Sharma, S.S.Tiwary, C.Majumder, P.Banerjee, S.Ganguly, S.R.Abhilash, D.Kabiraj, R.P.Singh, S.Muralithar Fabrication of 122Sn target and its application in γ-ray spectroscopy NUCLEAR REACTIONS 122Sn(9Be, 9Be'), E=48 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, σ. Comparison with PACE4 calculations.
doi: 10.1088/1402-4896/aae346
2018MA28 Int.J.Mod.Phys. E27, 1850034 (2018) C.Majumder, H.P.Sharma, S.Chakraborty, S.S.Tiwary Study of antimagnetic rotation in 109, 111Cd NUCLEAR STRUCTURE 109,111Cd; calculated reduced electric quadrupole transition rates for the states of the negative parity bands using semiclassical model (SCM). Comparison with experimental values.
doi: 10.1142/S0218301318500349
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
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