NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = S.Rajbanshi Found 44 matches. 2024DA06 Phys.Lett. B 851, 138565 (2024) Sh. Dar, S.Bhattacharyya, S.Chakraborty, S.Jehangir, S.Bhattacharya, G.H.Bhat, J.A.Sheikh, N.Rather, S.S.Nayak, S.Das, S.Basu, G.Mukherjee, S.Nandi, R.Banik, S.Basak, C.Bhattacharya, S.Chattopadhyay, S.Das Gupta, A.Karmakar, S.S.Ghugre, D.Kumar, D.Mondal, S.Mukhopadhyay, D.Pandit, S.Rajbanshi, R.Raut Coexistence of low-K oblate and high-K prolate g9/2 proton-hole bands in 115Sb NUCLEAR REACTIONS 115In(α, 4n), E=52 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies and relative intensities, partial level scheme, positive parity sequence transitions, low-K decoupled band. Comparison with the frameworks of the projected shell model and the total Routhian surface calculations. The Indian National Gamma Array (INGA), the K-130 Cyclotron at Variable Energy Cyclotron Centre (VECC), Kolkata, India.
doi: 10.1016/j.physletb.2024.138565
2023BA36 Eur.Phys.J. A 59, 229 (2023) S.Basu, G.Mukherjee, S.Nandi, S.S.Nayak, S.Bhattacharyya, S.Bhattacharya, S.Dar, S.Das, S.Basak, D.Kumar, D.Paul, K.Banerjee, P.Roy, S.Manna, S.Kundu, T.K.Rana, R.Pandey, S.Chatterjee, R.Raut, S.S.Ghugre, S.Samanta, R.Banik, A.Karmakar, S.Chattopadhyay, S.Das Gupta, P.Pallav, S.Rajbanshi, S.Ali, H.Pai Revealing new structures in odd-odd 54Mn nucleus NUCLEAR REACTIONS 55Mn(α, nα)54Mn, E=34 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced γ-ray energies and relative intensities, J, π, partial level scheme, σ, the directional correlation from oriented states ratio, the polarization asymmetry. Comparison with shell model calculations. The K-130 cyclotron at VECC, Kolkata.
doi: 10.1140/epja/s10050-023-01147-9
2023CH27 Phys.Rev. C 107, 064318 (2023) S.Chakraborty, S.Bhattacharyya, R.Banik, S.Bhattacharya, G.Mukherjee, C.Bhattacharya, S.Biswas, S.Rajbanshi, S.Dar, S.Nandi, S.Ali, S.Chatterjee, S.Das, S.Das Gupta, S.S.Ghugre, A.Goswami, A.Lemasson, D.Mondal, S.Mukhopadhyay, A.Navin, H.Pai, S.Pal, D.Pandit, R.Raut, P.Ray, M.Rejmund, S.Samanta Search for the origin of wobbling motion in the A ≈ 130 region: The case of 131Xe NUCLEAR REACTIONS 130Te(α, 3nγ), E=38 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ). 131Xe; deduced levels, J, π, δ, mixing ratios, polarization asymmetries, γ-rays deexcitation from the oriented states (DCO) ratio, intruder νh11/2 band structure, rotational bands, yrast bands, signature splittings, high-spin states. Comparison to triaxial particle rotor model (TPRM) and triaxial projected shell model (TPSM) calculations. Systematics of the bands structure, signature splittings - 127Xe, 131Xe, 133Ba, 135Ce. No experimental signatures of the wobbling excitation were found in the study. Seven Compton-suppressed clover HPGe detectors of the Indian National Gamma Array (INGA) at K-130 cyclotron of the Variable Energy Cyclotron Centre (VECC, Kolkata).
doi: 10.1103/PhysRevC.107.064318
2023MO15 Phys.Rev. C 107, 064320 (2023) A.K.Mondal, A.Chakraborty, K.Mandal, U.S.Ghosh, A.Dey, S.Biswas, B.Mukherjee, Krishichayan, S.Chatteerjee, S.K.Das, S.Samanta, R.Raut, S.S.Ghugre, S.Mukhopadhyay, S.Rajbanshi, R.Banik, S.Bhattacharyya, S.Nandi, S.Chakraborty, S.Bhattacharya, G.Mukherjee, S.Ali, A.Goswami, R.Chakrabarti, A.Kumar, R.Goswami Investigation of the low- and medium-spin level structure in 77As NUCLEAR REACTIONS 76Ge(α, 2np), E=40 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ). 77As; deduced levels, J, π, δ, high-spin states, polarization asymmetries, γ-rays deexcitation from the oriented states (DCO) ratio, configurations, band crossing, kinematic and dynamic moments of inertia, neutron alignments, rotational and vibrational bands structure. Observed large signature splitting of the signature partner bands. Presented evidence for the possible onset of stapler like mechanism in the high-lying negative-parity dipole band. Comparison to shell-model (JUN45, jj44b interactions) and particle plus triaxial-rotor model (TPRM) calculations. Indian National Gamma Array (INGA) spectrometer comprising 6 Clover and 1 LEPS detectors at K-130 Cyclotron of the Variable Energy Cyclotron Centre (VECC, Kolkata).
doi: 10.1103/PhysRevC.107.064320
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
2023SA26 Phys.Rev. C 107, 064611 (2023) R.Santra, B.Dey, S.Roy, R.Palit, Md.S.R.Laskar, H.Pai, S.Rajbanshi, S.Ali, S.Bhattacharjee, F.S.Babra, A.Mukherjee, S.Jadhav, B.S.Naidu, A.T.Vazhappilly, S.Pal Collective enhancement in nuclear level density of 72Ga and 71Ga from γ-gated proton spectra NUCLEAR REACTIONS 64Ni(9Be, np), (9Be, 2np), E=30 MeV; measured Ep, Ip, Eγ, Iγ, pγ-coin; deduced reaction yields proton yields from compound nuclei. 71,72Ga; deduced nuclear level density (NLD), rotational enhancement factor. Comparison to statistical model calculations. CsI(Tl) detector array (proton detection) combined with 14 Compton-suppressed Clover detectors (γ detection) at BARC-TIFR Pelletron Linac Facility (Mumbai).
doi: 10.1103/PhysRevC.107.064611
2022AD11 Nucl.Phys. A1027, 122495 (2022) A.Adhikari, D.Pramanik, S.Sarkar, M.Sarkar, A.Bisoi, S.Ray, S.Rajbanshi, S.Saha, J.Sethi, B.S.Naidu, R.Donthi, V.Nanal, R.Palit Experimental evidences of shape co-existence in 154Ho NUCLEAR REACTIONS 141Pr(16O, 3n)154Ho, E=82 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced γ-ray energies and relative intensities, partial level scheme, J, π, mixing ratios for the mixed transitions and parities. The Indian National Gamma Array (INGA) setup at BARC-TIFR Pelletron facility, Tata Institute of Fundamental Research, Mumbai.
doi: 10.1016/j.nuclphysa.2022.122495
2022BH04 Phys.Rev. C 106, 044312 (2022) S.Bhattacharya, T.Trivedi, A.Mukherjee, D.Negi, R.P.Singh, S.Muralithar, S.Jehangir, G.H.Bhat, N.Nazir, J.A.Sheikh, N.Rather, R.Palit, S.Nag, S.Rajbanshi, S.Chakraborty, S.Kumar, M.Kumar Raju, V.V.Parkar, D.Choudhury, R.Kumar, R.K.Bhowmik, S.C.Pancholi, A.K.Jain Evidence for prolate-oblate shape coexistence in the odd-A 7335Br38 nucleus NUCLEAR REACTIONS 50Cr(28Si, pα)73Br, E=90 MeV; measured Eγ, Iγ, γγ-coin, γ(θ), 73Br; deduced levels, J, π, high-spin states states, bands structure, δ, T1/2 of 9/2+ excited state, polarization asymmetry, DCO and ADO ratios. Comparison to Projected shell model (PSM) calculations and other experimental data. Systematics of monopole transition strength in 73Br, calculated from the semiempirical approach with neighboring Se, Br, and Kr. Evidences provided for the prolate-oblate shape coexistence at low excitation energy. INGA array at IUAC, New Delhi.
doi: 10.1103/PhysRevC.106.044312
2022DA05 Nucl.Phys. A1019, 122382 (2022) S.Dar, S.Bhattacharya, S.Bhattacharyya, R.Banik, S.Nandi, G.Mukherjee, S.Rajbanshi, S.Das Gupta, S.Ali, S.Chakraborty, S.Chatterjee, S.Das, A.Dhal, S.S.Ghugre, A.Goswami, D.Mondal, S.Mukhopadhyay, H.Pai, S.Pal, D.Pandit, R.Raut, P.Ray, S.Samanta Magnetic rotational band in 116Sb NUCLEAR REACTIONS 115In(α, 3n), E=40 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies and intensities, J, π, level scheme, multipolarities, B(M1)/B(E2), yrast rotational bands. Comparison with Magnetic Rotation (MR) under the framework of Semi-Classical Model (SCM) and Shears mechanism with Principal Axis Cranking (SPAC) formalism.
doi: 10.1016/j.nuclphysa.2022.122382
2022MU03 Phys.Rev. C 105, 014322 (2022) A.Mukherjee, S.Bhattacharya, T.Trivedi, R.P.Singh, S.Muralithar, D.Negi, R.Palit, S.Nag, S.Rajbanshi, M.Kumar Raju, S.Kumar, D.Choudhury, R.Kumar, R.K.Bhowmik, S.C.Pancholi, A.K.Jain Shape coexistence and octupole correlations in 72Se NUCLEAR REACTIONS 50Cr(28Si, 2pα)72Se, E=90 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(θ)(ADO), γγ-linear polarization asymmetries using INGA array of 17 Compton-suppressed clover detectors at the 15UD Pelletron accelerator of IUAC, New Delhi. 72Se; deduced high-spin levels, J, π, multipolarities, multipole mixing ratios, Kπ=0+ bands, γ-band, alignments, B(E1)/B(E2) ratios, octupole correlations, intrinsic dipole moment D0 for the octupole band; calculated single-particle energy as a function of β2 for fixed triaxiality and hexadecapole deformation parameters, single-particle proton and neutron energy levels; bands interpreted in terms of the total Routhian surface (TRS) calculations. Systematics of B(E1)/B(E2) ratios and D0 values for 72Se, 73Br, 114,116,117Xe, 125Ba, and for energies of 3- states for 70,72,74,76,78,80,82Se.
doi: 10.1103/PhysRevC.105.014322
2022NA16 Phys.Rev. C 105, 034336 (2022) S.Nandi, G.Mukherjee, A.Dhal, R.Banik, S.Bhattacharya, S.Basu, S.Dar, S.Bhattacharyya, C.Bhattacharya, S.Kundu, D.Paul, S.Rajbanshi, S.Chatterjee, S.Das, S.Samanta, R.Raut, S.S.Ghugre, H.Pai, S.Ali, S.Biswas, A.Goswami Different manifestations of triaxial shapes of the positive and negative parity bands in 187Os NUCLEAR REACTIONS 186W(α, 3n), E=36 MeV; measured Eγ, Iγ, γγ(θ)(DCO), gγ∓coin. 187Os; deduced high-spin levels J, π, multipolarity, band structures, configurations, alignments, triaxial shape; calculated total Routhian surface (TRS) contours in (β2, γ) plane (Nilsson-Strutinsky formalism). Systematics of bandhead energies, momentum alignments and energy staggering of the rotational bands in 183,185,187Os, 183W. Indian National Gamma Array (INGA) at K-130 cyclotron of Variable Energy Cyclotron Centre, Kolkata (VECC).
doi: 10.1103/PhysRevC.105.034336
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
2022SA15 Phys.Rev. C 105, 044304 (2022) Y.Sapkota, R.Rahaman, A.Bisoi, A.Adhikari, A.Gupta, A.Das, H.Ghosh, S.Sarkar, D.Pramanik, S.Das, S.Sharma, S.Ray, S.Rajbanshi, S.Dar, S.Nandi, S.Bhattacharya, T.Bhattacharjee, G.Mukherjee, S.Bhattacharyya, S.Samanta, S.Das, S.Chatterjee, R.Raut, S.S.Ghugre Structural evolution and K mixing in 49V NUCLEAR REACTIONS 48Ti(α, 2np), E=48 MeV; measured Eγ, Iγ, γγ-coin, γ(θ). 49V; deduced levels, J, π, branching ratios, δ, DCO-ratios, B(M&1), B(E2), T1/2 of several high-spin states, neutron and proton single-parti&&cle states occupation numbers, negative-parity bands structure; calculated leve total Routhian surface (TRS) plots in (β2, γ) plane, single-particle proton and neutron energies in a rotating frame. 50Cr; calculated levels, J, π, spectroscopic factors. Lifetimes of the levels extracted with line-shape analysis of Doppler-shifted spectra. Comparison of experimental results to large basis shell model (LBSM) calculations with KB3GPN effective interaction. Indian National Gamma Array (INGA) at K-130 cyclotron of Variable Energy Cyclotron Centre, Kolkata (VECC).
doi: 10.1103/PhysRevC.105.044304
2021BA04 Phys.Rev. C 103, 014316 (2021) F.S.Babra, S.Jehangir, R.Palit, S.Biswas, B.Das, S.Rajbanshi, G.H.Bhat, J.A.Sheikh, B.Das, P.Dey, U.Garg, Md.S.R.Laskar, C.Palshetkar, S.Saha, L.P.Singh, P.Singh Investigation of the alignment mechanism and loss of collectivity in 135Pm NUCLEAR REACTIONS 107Ag(32S, 2n2p)135Pm, E=145 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linear polarization), half-lives of levels in the yrast band by Doppler-shift attenuation method (DSAM) using INGA array of 18 Compton-suppressed HPGe clover detectors at TIFR-Mumbai. 135Pm; deduced high-spin levels, J, π, multipolarities, rotational bands, alignments, configurations, B(E2), dynamic moment of inertia, loss of collectivity for the yrast band at higher spin. Comparison with triaxial projected shell model (TPSM) calculations.
doi: 10.1103/PhysRevC.103.014316
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
2021LA06 Phys.Rev. C 104, L011301 (2021) Md.S.R.Laskar, R.Palit, E.Ideguchi, T.Inakura, S.N.Mishra, F.S.Babra, S.Bhattacharya, D.Choudhury, B.Das, B.Das, P.Dey, U.Garg, A.K.Jain, A.Kundu, D.Kumar, D.Negi, S.C.Pancholi, S.Rajbanshi, S.Sihotra Enhanced B(E3) strength observed in 137La NUCLEAR REACTIONS 130Te(11B, 4n)137La, E=40 MeV; measured Eγ, Iγ, γγ-coin, level half-life by γγ(t) using an array of 11 Compton-suppressed HPGe clover and 14 LaBr3(Ce) detectors at the Pelletron Linac Facility of TIFR-Mumbai. 137La; deduced levels, J, π, half-life of 1005, 11/2- level, B(E3), sudden increase of B(E3) strength at N=80. Comparison with random-phase approximation (RPA) calculations. Systematics of B(E3) strengths in 129,133La and 132,134,136,138Ba.
doi: 10.1103/PhysRevC.104.L011301
2021RA20 Phys.Rev. C 104, L031302 (2021) S.Rajbanshi, S.Bhattacharya, R.Raut, R.Palit, S.Ali, R.Santra, H.Pai, F.S.Babra, R.Banik, S.Bhattacharyya, P.Dey, G.Mukherjee, Md.S.R.Laskar, S.Nandi, T.Trivedi, S.S.Ghugre, A.Goswami Experimental evidence of exact E(5) symmetry in 82Kr NUCLEAR REACTIONS 76Ge(9Be, 3n)82Kr, E≈31 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linear polarization), half-lives of levels by Doppler-shift attenuation method using the INGA array at the TIFR-Mumbai Pelletron Linac Facility. 82Kr; deduced high-spin levels, J, π, multipolarities, bands, B(E2). Comparison with IBA calculations using E5 symmetry.
doi: 10.1103/PhysRevC.104.L031302
2021RA31 Phys.Rev. C 104, 064316 (2021) S.Rajbanshi, R.Palit, R.Raut, Y.Y.Wang, Z.X.Ren, J.Meng, Q.B.Chen, S.Ali, H.Pai, F.S.Babra, R.Banik, S.Bhattacharya, S.Bhattacharyya, P.Dey, S.Malik, G.Mukherjee, Md.S.R.Laskar, S.Nandi, R.Santra, T.Trivedi, S.S.Ghugre, A.Goswami Evidence of octupole correlation in 79Se NUCLEAR REACTIONS 76Ge(9Be, 2nα)79Se, E≈31 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(θ)(ADO ratios), γγ(linear polarization), T1/2 of levels by DSAM using INGA array of 14 Compton-suppressed clover detectors at the TIFR Pelletron Linac Facility. 79Se; deduced high-spin levels, J, π, multipolarities, multipole mixing ratios, B(M1), B(E2), B(E1)/B(E2) ratios, intrinsic dipole moments, octupole correlation; calculated potential energy surface in (β20, β30) plane based on the covariant density functional theory. Comparison of measured transition probabilities with reflection asymmetric triaxial particle rotor model (RAT-PRM) calculations.
doi: 10.1103/PhysRevC.104.064316
2020BA20 Phys.Rev. C 101, 044306 (2020) R.Banik, S.Bhattacharyya, S.Biswas, S.Bhattacharya, G.Mukherjee, S.Rajbanshi, S.Dar, S.Nandi, S.Ali, S.Chatterjee, S.Das, S.Das Gupta, S.S.Ghugre, A.Goswami, A.Lemasson, D.Mondal, S.Mukhopadhyay, H.Pai, S.Pal, D.Pandit, R.Raut, P.Ray, M.Rejmund, S.Samanta Revealing multiple band structures in 131Xe from α-induced reactions NUCLEAR REACTIONS 130Te(α, 3n), E=38 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linear polarization) using INGA array of seven Compton suppressed clover HPGe detectors at VECC, Kolkata facility. 131Xe; deduced levels, J, π, multipolarities, band structures, configurations, alignments, staggering parameter, triaxial shape; calculated total Routhian surfaces using Strutinski shell correction method. Systematics of low-lying level energies and staggering parameters in 125,127,129,131,133,135Xe, 133Ba, 135Ce.
doi: 10.1103/PhysRevC.101.044306
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
2020NA27 Phys.Rev.Lett. 25, 132501 (2020) S.Nandi, G.Mukherjee, Q.B.Chen, S.Frauendorf, R.Banik, S.Bhattacharya, S.Dar, S.Bhattacharyya, C.Bhattacharya, S.Chatterjee, S.Das, S.Samanta, R.Raut, S.S.Ghugre, S.Rajbanshi, S.Ali, H.Pai, M.A.Asgar, S.Das Gupta, P.Chowdhury, A.Goswami First Observation of Multiple Transverse Wobbling Bands of Different Kinds in 183Au NUCLEAR REACTIONS 169Tm(20Ne, 6n)183Au, E=146 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, two wobbling bands. Comparison with systematics.
doi: 10.1103/PhysRevLett.125.132501
2020RA10 Phys.Rev. C 101, 064313 (2020) P.Ray, H.Pai, S.Ali, A.Mukherjee, A.Goswami, S.Rajbanshi, S.Bhattacharya, R.Banik, S.Nandi, S.Bhattacharyya, G.Mukherjee, C.Bhattacharya, S.Chakraborty, G.Gangopadhyay, M.S.R.Laskar, R.Palit, G.H.Bhat, S.Jehangir, J.A.Sheikh, A.K.Sinha, S.Samanta, S.Das, S.Chatterjee, R.Raut, S.S.Ghugre Quasi-γ band in 114Te NUCLEAR REACTIONS 112Sn(α, 2n), E=37 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linear polarization) using the INGA array for γ detection at VECC, Kolkata. 114Te; deduced levels, J, π, multipolarities, mixing ratios, quasi γ band, odd-even energy staggering in 114Te and 118Xe. Comparison with theoretical calculations using interacting boson model (IBM) and triaxial projected shell model (TPSM).
doi: 10.1103/PhysRevC.101.064313
2020SA22 Phys.Lett. B 806, 135487 (2020) R.Santra, B.Dey, S.Roy, M.S.R.Laskar, R.Palit, H.Pai, S.Rajbanshi, S.Ali, S.Bhattacharjee, F.S.Babra, A.Mukherjee, S.Jadhav, B.S.Naidu, A.T.Vazhappilly, S.Pal Nuclear level density of 69Zn from gamma gated particle spectrum and its implication on 68Zn(n, γ)69Zn capture cross section NUCLEAR REACTIONS 64Zn(9Be, nα)68Zn, E=30 MeV; measured reaction products, Eα, Iα, Eγ, Iγ. 73Ge; deduced γ-ray energies, J, π, level scheme, yields, σ, nuclear level densities. Comparison with available data.
doi: 10.1016/j.physletb.2020.135487
2019AL28 Phys.Lett. B 798, 134960 (2019) S.Ali, S.Rajbanshi, R.Raut, H.Pai, Y.Y.Wang, G.Gangopadhyay, J.Meng, R.Palit, S.Nag, A.Bisoi, S.Saha, J.Sethi, S.Bhattacharyya, S.Chattopadhyay, G.Mukherjee, A.K.Singh, T.Trivedi, A.Goswami Evidence of the octupole correlation between the shears bands in 142Eu NUCLEAR REACTIONS 116Cd(31P, 5n)142Eu, E=148 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, levels, J, π, branching ratio, level T1/2, B(M1), B(E1), B(E2), two opposite parity dipole bands, octupole correlation.
doi: 10.1016/j.physletb.2019.134960
2019BA46 Phys.Rev. C 100, 054308 (2019) F.S.Babra, R.Palit, S.Rajbanshi, S.Jehangir, B.Das, G.H.Bhat, J.A.Sheikh, S.Biswas, U.Garg, Md.S.R.Laskar, C.Palshetkar, S.Saha, J.Sethi, P.Singh Investigation of a large change in deformation for the γ-soft nucleus 136Sm NUCLEAR REACTIONS 107Ag(32S, 2np)136Sm, E=145 MeV; measured Eγ, Iγ, two and higher-fold γγ-coin, half-lives of levels in the ground band by DSAM using the INGA array at TIFR-Mumbai accelerator facility. 136Sm; deduced levels, J, π, yrast and γ bands, transitional quadrupole moments, configurations; calculated total Routhian surfaces, proton and neutron quasiparticle energies in the framework of the cranked shell model and the triaxial projected shell-model (TPSM).
doi: 10.1103/PhysRevC.100.054308
2019BH04 Phys.Rev. C 100, 014315 (2019) S.Bhattacharya, T.Trivedi, D.Negi, R.P.Singh, S.Muralithar, R.Palit, I.Ragnarsson, S.Nag, S.Rajbanshi, M.Kumar Raju, V.V.Parkar, G.Mohanto, S.Kumar, D.Choudhury, R.Kumar, R.K.Bhowmik, S.C.Pancholi, A.K.Jain Evolution of collectivity and evidence of octupole correlations in 73Br NUCLEAR REACTIONS 50Cr(28Si, pα), E=90 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(lin pol), and level half-lives by DSAM and line-shape method using the INGA array at 15UD Pelletron accelerator of IUAC. 73Br; deduced high-spin levels, J, π, multipolarities, bands, octupole band, B(E2), B(E1), B(M1), B(E1)/B(E2) ratios, transition quadrupole moments, configurations, octupole correlations, possible band termination at higher spin; calculated low-lying configurations, total Routhian surfaces using cranked Nilsson-Strutinsky method, and compared with experimental data.
doi: 10.1103/PhysRevC.100.014315
2019NA08 Phys.Rev. C 99, 054312 (2019) S.Nandi, G.Mukherjee, T.Roy, R.Banik, A.Dhal, S.Bhattacharya, S.Bhattacharyya, C.Bhattacharya, Md.A.Asgar, H.Pai, S.Rajbanshi, P.Roy, T.K.Ghosh, K.Banerjee, T.K.Rana, S.Kundu, S.Manna, R.Pandey, A.Sen, S.Pal, S.Mukhopadhyay, D.Pandit, D.Mandal, S.R.Banerjee Effect of neutron alignments on the structure of 197Tl NUCLEAR REACTIONS 197Au(α, 4n), E=50 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), and γγ(polarization asymmetry) using the VENUS array for γ detection at VECC facility in Kolkata. 197Tl; deduced high-spin levels, J, π, multipolarities, B(M1)/B(E2), magnetic-dipole rotational bands, no evidence of chiral doublet bands, alignments, Routhians, and configurations; calculated total Routhian surfaces. Systematics of aligned angular momenta in 193,195,197,199Tl, 194,196Hg.
doi: 10.1103/PhysRevC.99.054312
2019SA61 J.Phys.(London) G46, 055102 (2019); Corrigendum J.Phys.(London) G46, 109501 (2019) A.Saha, T.Bhattacharjee, D.Curien, J.Dudek, I.Dedes, K.Mazurek, A.Gozdz, S.Tagami, Y.R.Shimizu, S.R.Banerjee, S.Rajbanshi, A.Bisoi, G.de Angelis, S.Bhattacharya, S.Bhattacharyya, S.Biswas, A.Chakraborty, S.Das Gupta, B.Dey, A.Goswami, D.Mondal, D.Pandit, R.Palit, T.Roy, R.P.Singh, M.S.Sarkar, S.Saha, J.Sethi Spectroscopy of a tetrahedral doubly magic candidate nucleus 16070Yb90 NUCLEAR REACTIONS 148Sm(16O, 4n)160Yb, E=90 MeV; measured reaction products, Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(θ)(ADO) and γγ(linearpol) using INGA array of 20 Compton-suppressed HPGe clover detectors at TIFR pelletron facility. 160Yb; deduced high-spin levels, J, π, multipolarities, rotational bands, alignments, tetrahedral deformation. Systematics of g.s. and negative-parity bands in 152,154,156Gd.
doi: 10.1088/1361-6471/ab0573
2018RA14 Phys.Lett. B 782, 143 (2018) S.Rajbanshi, R.Raut, H.Pai, S.Ali, A.Goswami, G.Gangopadhyay, S.Bhattacharyya, G.Mukherjee, S.Muralithar, R.P.Singh, M.Kumar Raju, P.Singh, R.K.Bhowmik Abrupt phase change of the core rotation in the 143Sm nucleus NUCLEAR REACTIONS 124Sn(24Mg, 5n), E=107 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, branching, level lifetimes and side feeding lifetimes, B(M1), B(E2), high spin dipole sequences. Comparison with available data.
doi: 10.1016/j.physletb.2018.05.021
2018RA26 Phys.Rev. C 98, 061304 (2018) S.Rajbanshi, R.Raut, H.Pai, S.Ali, A.Goswami, S.Bhattacharyya, G.Mukherjee, R.K.Bhowmik, S.Muralithar, R.P.Singh, G.Gangopadhyay, M.Kumar Raju, P.Singh Extremely asymmetric shears band in 143Sm NUCLEAR STRUCTURE 124Sn(24Mg, 5n), E=107 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linear pol), level half-lives by DSA method using the INGA array at the 15UD pelletron facility of IUAC-New Delhi. 143Sm; deduced high-spin levels, J, π, multipolarities, mixing ratios, magnetic dipole rotational (shears) band, B(M1), B(E2), configuration. Comparison with the principle axis cranking (SPAC) model predictions.
doi: 10.1103/PhysRevC.98.061304
2018SA07 Phys.Scr. 93, 034001 (2018) A.Saha, T.Bhattacharjee, D.Curien, I.Dedes, K.Mazurek, S.R.Banerjee, S.Rajbanshi, A.Bisoi, G.de Angelis, S.Bhattacharya, S.Bhattacharyya, S.Biswas, A.Chakraborty, S.Das Gupta, B.Dey, A.Goswami, D.Mondal, D.Pandit, R.Palit, T.Roy, R.P.Singh, M.S.Sarkar, S.Saha, J.Sethi Excited negative parity bands in 160Yb NUCLEAR REACTIONS 148Sm(16O, 4n)160Yb, E=90 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, B(E2)/B(E1) ratios, non-yrast negative parity structures, bands. Comparison with energy calculation results obtained using the standard Woods-Saxon universal Hamiltonian.
doi: 10.1088/1402-4896/aaa1fa
2017AL30 Phys.Rev. C 96, 021304 (2017) S.Ali, S.Rajbanshi, B.Das, S.Chattopadhyay, M.S.Sarkar, A.Goswami, R.Raut, A.Bisoi, S.Nag, S.Saha, J.Sethi, R.Palit, G.Gangopadhyay, T.Bhattacharjee, S.Bhattacharyya, G.Mukherjee, A.K.Singh, T.Trivedi Evidence of antimagnetic rotation in an odd-odd nucleus: The case of 142Eu NUCLEAR REACTIONS 116Cd(31P, 5n), E=148 MeV; measured Eγ, Iγ, γγ-coin, γ(θ), γγ(θ)(ADO and DCO ratios), γγ(linear polarization), level half-lives by DSAM using INGA array at 14UD Pelletron-Linear facility of TIFR-Mumbai. 142Eu; deduced high-spin levels, J, π, band, multipolarities, mixing ratio, B(E2), dynamic moment of inertia J(2), J(2)/B(E2) ratios, antimagnetic rotational (AMR) band, and configuration. Comparison with predictions of semiclassical geometric model, and with the experimental data for AMR band in 143Eu.
doi: 10.1103/PhysRevC.96.021304
2017BH05 Phys.Rev. C 95, 054330 (2017) S.S.Bhattacharjee, R.P.Singh, S.Muralithar, I.Bala, R.Garg, S.Rajbanshi, D.Singh, A.Dhal, M.Kumar Raju, S.Saha, J.Sethi, R.Palit Shape evolution with increasing angular momentum in the 66Ga nucleus NUCLEAR REACTIONS 56Fe(12C, np), E=62 MeV from Pelletron Linac facility at TIFR-Mumbai; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(θ)(ADO ratios), γγ(linear polarization asymmetries) using the INGA array. 66Ga; deduced high-spin levels, J, π, multipolarities, mixing ratios, bands, alignments, configurations, shape evolution. Comparison with shell model calculations using jj44bpn interaction. Cranking and TRS calculations.
doi: 10.1103/PhysRevC.95.054330
2017DA10 Phys.Rev. C 95, 051301 (2017) B.Das, N.Rather, P.Datta, S.Chattopadhyay, S.Rajbanshi, A.Goswami, S.Roy, S.Pal, R.Palit, S.Saha, J.Sethi, S.Biswas, P.Singh, H.C.Jain Novel evolution of the positive parity shears band in 106Ag NUCLEAR REACTIONS 96Zr(14N, 4n), E=68 MeV; measured Eγ, Iγ, two and higher-fold γγ-coin, γγ(θ)(DCO), level half-lives by DSAM and line-shape analysis using INGA array at Pelletron-LINAC facility of TIFR-Mumbai. 106Ag; deduced high-spin levels, J, π, multipolarities, mixing ratios, B(M1), B(E2), bands, magnetic rotational (shears) band, configurations, Routhians. Comparison with shears mechanism principal axis cranking (SPAC) model.
doi: 10.1103/PhysRevC.95.051301
2016DA03 Phys.Rev. C 93, 064322 (2016) B.Das, N.Rather, S.Chattopadhyay, S.Rajbanshi, A.Goswami, P.Datta, S.Roy, R.Palit, S.Pal, S.Saha, J.Sethi, S.Biswas, P.Singh, H.C.Jain Three proton hole structure in 106Ag NUCLEAR REACTIONS 96Zr(14N, 4n), E=68 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linear polarization), level half-lives by DSAM using INGA array at 14-UD Pelletron facility of TIFR-BARC. 106Ag; deduced high-spin levels, J, π, multipolarities, B(M1), B(E2), configuration, magnetic-dipole rotational band. Comparison with Routhian calculations, and shears mechanism with the principal axis cranking (SPAC) calculation.
doi: 10.1103/PhysRevC.93.064322
2016RA33 Phys.Rev. C 94, 044318 (2016) S.Rajbanshi, S.Ali, A.Bisoi, S.Nag, S.Saha, J.Sethi, T.Bhattacharjee, S.Bhattacharyya, S.Chattopadhyay, G.Gangopadhyay, G.Mukherjee, R.Palit, R.Raut, M.S.Sarkar, A.K.Singh, T.Trivedi, A.Goswami Shears mechanism and development of collectivity in 141Sm NUCLEAR REACTIONS 116Cd(31P, 5np), E=148 MeV; measured Eγ, Iγ, γγ-coin, γ(θ), γγ(θ)(DCO), γγ(θ)(ADO), γγ(linear polarization), level half-lives by DSAM using the INGA array at TIFR Pelletron Linac facility. 141Sm; deduced high-spin levels, J, π, multipolarities, mixing ratios, configurations, B(M1), magnetic-dipole rotational (MR) band; calculated contour plots of TRS calculations for two bands. Comparison with principal axis cranking (SPAC) model calculation involving shears mechanism. Systematics of spin versus angular frequency plots for MR bands in 139,141,142Sm, 142Gd, 143Eu.
doi: 10.1103/PhysRevC.94.044318
2016SH12 Phys.Rev. C 93, 044616 (2016) Md.M.Shaikh, S.Roy, S.Rajbanshi, A.Mukherjee, M.K.Pradhan, P.Basu, V.Nanal, S.Pal, A.Shrivastava, S.Saha, R.G.Pillay Probing the fusion of 7Li with 64Ni at near-barrier energies NUCLEAR REACTIONS 64Ni(7Li, 2n)69Ga, 64Ni(7Li, np)69Zn, 64Ni(7Li, 3n)68Ga, 64Ni(7Li, 2np)68Zn, 64Ni(7Li, nα)66Cu, 64Ni(7Li, 2nα)65Cu, E=12-28 MeV; measured Eγ, Iγ, E(x ray), total fusion σ(E) by activation method and compared with predictions of 1DBPM for fusion. Comparison with σ(E) from 64Ni+6Li reaction, and with universal fusion function for dynamic effect of breakup or breakup-like processes.
doi: 10.1103/PhysRevC.93.044616
2015RA12 Phys.Lett. B 748, 387 (2015) S.Rajbanshi, S.Roy, S.Nag, A.Bisoi, S.Saha, J.Sethi, T.Bhattacharjee, S.Bhattacharyya, S.Chattopadhyay, G.Gangopadhyay, G.Mukherjee, R.Palit, R.Raut, M.S.Sarkar, A.K.Singh, T.Trivedi, A.Goswami Antimagnetic rotation and sudden change of electric quadrupole transition strength in 143Eu NUCLEAR REACTIONS 116Cd(31P, 4n), E=148 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, level scheme, B(E2). Comparison with theoretical calculations.
doi: 10.1016/j.physletb.2015.07.033
2015SH08 Phys.Rev. C 91, 034615 (2015) Md.M.Shaikh, S.Roy, S.Rajbanshi, M.K.Pradhan, A.Mukherjee, P.Basu, S.Pal, V.Nanal, R.G.Pillay, A.Shrivastava Barrier distribution functions for the system 6Li + 64Ni and the effect of channel coupling NUCLEAR REACTIONS 64Ni(6Li, 6Li), (6Li, 6Li'), E=11-28 MeV; measured 6Li spectra, Eγ, Iγ, quasielastic σ(E), total fusion σ at TIFR Pelletron facility; deduced barrier distribution. Comparison with coupled reaction channel (CRC) calculations.
doi: 10.1103/PhysRevC.91.034615
2014RA03 Phys.Rev. C 89, 014315 (2014) S.Rajbanshi, A.Bisoi, S.Nag, S.Saha, J.Sethi, T.Trivedi, T.Bhattacharjee, S.Bhattacharyya, S.Chattopadhyay, G.Gangopadhyay, G.Mukherjee, R.Palit, R.Raut, M.S.Sarkar, A.K.Singh, A.Goswami Shape coexistence in the near-spherical 142Sm nucleus NUCLEAR REACTIONS 116Cd(31P, 4np), E=148 MeV; measured Eγ, Iγ, γγ-coin, γ(θ), γγ(θ)(DCO), γ(θ)(ADO), γγ(linear polarization), level half-lives by DSAM and isomer half-lives by γ(t) using INGA array at TIFR-BARC Pelletron Linac facility. 142Sm; deduced high-spin levels, J, π, multipolarity, bands, magnetic dipole rotational band, B(M1), B(E2), configurations; calculated total energy surfaces contours in β2-γ plane. Comparison with shell model, cranked Nilsson-Strutinsky (CNS), and semiclassical principle axis cranking (SPAC) model calculations.
doi: 10.1103/PhysRevC.89.014315
2014RA10 Phys.Rev.Lett. 112, 202503 (2014) N.Rather, P.Datta, S.Chattopadhyay, S.Rajbanshi, A.Goswami, G.H.Bhat, J.A.Sheikh, S.Roy, R.Palit, S.Pal, S.Saha, J.Sethi, S.Biswas, P.Singh, H.C.Jain Exploring the Origin of Nearly Degenerate Doublet Bands in 106Ag NUCLEAR REACTIONS 96Zr(14N, 4n), E=68 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced bands, level scheme, J, π, lifetimes, B(E2), B(M1), mixing and branching ratios. Comparison with available data and systematics.
doi: 10.1103/PhysRevLett.112.202503
2014RA18 Phys.Rev. C 90, 024318 (2014) S.Rajbanshi, A.Bisoi, S.Nag, S.Saha, J.Sethi, T.Bhattacharjee, S.Bhattacharyya, S.Chattopadhyay, G.Gangopadhyay, G.Mukherjee, R.Palit, R.Raut, M.S.Sarkar, A.K.Singh, T.Trivedi, A.Goswami Multiple magnetic rotational bands based on proton alignment in 143Eu NUCLEAR REACTIONS 116Cd(31P, 4n), E=148 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(ADO), γγ(linear polarization), level half-lives by DSAM using INGA array at TIFR Pelletron facility. 143Eu; deduced high-spin levels, J, π, B(M1), multipolarities, magnetic-dipole (shears) rotational bands, configurations. Principal axis cranking model, and TRS calculations.
doi: 10.1103/PhysRevC.90.024318
2014SH24 Phys.Rev. C 90, 024615 (2014) Md.M.Shaikh, S.Roy, S.Rajbanshi, M.K.Pradhan, A.Mukherjee, P.Basu, S.Pal, V.Nanal, R.G.Pillay, A.Shrivastava Investigation of 6Li + 64Ni fusion at near-barrier energies NUCLEAR REACTIONS 64Ni(6Li, X)64Cu/65Cu/67Ga/68Ga/67Zn/68Zn, E=11-28 MeV; measured Eγ, Iγ, x-ray spectra, total fusion σ(E) using γ activation method at TIFR-BARC Pelletron Facility; deduced complete fusion (CF) σ(E). Dominance of neutron evaporation channels. Comparison with one-dimensional barrier penetration model (1DBPM) calculations, and with previous experimental data.
doi: 10.1103/PhysRevC.90.024615
2013PA42 Phys.Rev. C 88, 064302 (2013) H.Pai, G.Mukherjee, S.Bhattacharya, C.Bhattacharya, S.Bhattacharyya, T.Bhattacharjee, S.Chanda, S.Rajbanshi, A.Goswami, M.R.Gohil, S.Kundu, T.K.Ghosh, K.Banerjee, T.K.Rana, R.Pandey, G.K.Prajapati, S.R.Banerjee, S.Mukhopadhyay, D.Pandit, S.Pal, J.K.Meena, P.Mukhopadhyay, A.Choudhury Band structures and intruder π12/2 state in 197Tl NUCLEAR REACTIONS 197Au(α, 4n)197Tl, E=48 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linear polarization) at VECC, Kolkata 197Tl; deduced high-spin levels, J, π, multipolarity, bands, alignments; calculated Total Routhian surface (TRS) contour in (β2, γ) plane. Evidence for a possible intruder πi13/2 state. Systematics of band alignments in 193,195,197Tl.
doi: 10.1103/PhysRevC.88.064302
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