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NSR database version of March 21, 2024.

Search: Author = R.Palit

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2024PA07      Phys.Rev. C 109, 014610 (2024)

V.V.Parkar, M.Prasanna, R.Rathod, V.Jha, S.K.Pandit, A.Shrivastava, K.Mahata, K.Ramachandran, R.Palit, Md.S.R.Laskar, B.J.Roy, Bh.Kanagalekar, B.G.Hegde

Fusion of 7Li with 205Tl at near-barrier energies

doi: 10.1103/PhysRevC.109.014610
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2024RA11      J.Phys.(London) G51, 035104 (2024)

A.K.Rana, S.Sihotra, H.P.Sharma, V.Singh, G.H.Bhat, S.Jehangir, J.A.Sheikh, N.Rather, Kuldeep, N.Singh, R.K.Bhowmik, R.Kumar, R.P.Singh, S.Muralithar, P.Chauhan, D.S.Verma, T.Trivedi, S.Kumar, R.Palit, D.Mehta

Level structures of 96Tc and their microscopic description

NUCLEAR REACTIONS 75As(28Si, 3n4p)96Tc, E=120 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies and relative intensities, energy level, J, π, partial level scheme, high-spin states, DCO and IPDCO ratios, multipolarities. Comparison with the framework of triaxial projected shell model calculations. The 15UD Pelletron accelerator facility at inter university accelerator centre (IUAC), New Delhi.

doi: 10.1088/1361-6471/ad1f2e
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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
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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
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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
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2023GA23      Eur.Phys.J. A 59, 187 (2023)

R.Gandhi, S.Santra, P.C.Rout, A.Pal, A.Baishya, T.Santhosh, D.Chattopadhyay, K.Ramachandran, G.Mohanto, J.Pandey, A.Diaz-Torres, R.Palit

Measurement of 58co(n, xp) cross sections by a surrogate method

NUCLEAR REACTIONS 57Fe, 59Co(6Li, α), E=37, 33 MeV; measured reaction products, Eα, Iα; deduced proton decay probabilities (branching ratios), σ, Comparison with ENDF/B-VIII.0, JEFF-3.3, JENDL-5, ROSFONFD-2010 libraries, TALYS and PACE4 calculations. BARC-TIFR Pelletron Linac Accelerator Facility, Mumbai.

doi: 10.1140/epja/s10050-023-01099-0
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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
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2023PA34      Phys.Rev. C 108, 044610 (2023)

P.Pawlowski, J.Brzychczyk, N.Buyukcizmeci, H.T.Johansson, W.Trautmann, A.Wieloch, P.Adrich, T.Aumann, T.Barczyk, S.Bianchin, K.Boretzky, A.S.Botvina, A.Chbihi, J.Cibor, B.Czech, H.Emling, J.D.Frankland, M.Heil, A.Le Fevre, Y.Leifels, J.Luhning, J.Lukasik, U.Lynen, Z.Majka, I.N.Mishustin, W.F.J.Muller, R.Ogul, H.Orth, R.Palit, D.Rossi, C.Schwarz, C.Sfienti, H.Simon, K.Summerer, H.Weick, B.Zwieglinski

Neutrons from projectile fragmentation at 600 MeV/nucleon

doi: 10.1103/PhysRevC.108.044610
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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
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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
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2022BE12      Int.J.Mod.Phys. E31, 2250027 (2022)

N.Behera, G.H.Bhat, Z.Naik, R.Palit, Y.Sun, J.A.Sheikh

Study of band structure in 76Kr using triaxial projected shell model

NUCLEAR STRUCTURE 76Kr; calculated energy levels, bands, staggering parameters using the multi-quasiparticle triaxial projected shell model (TPSM).

doi: 10.1142/S0218301322500276
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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
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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
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2022JE02      Phys.Rev. C 105, 054310 (2022)

S.Jehangir, N.Nazir, G.H.Bhat, J.A.Sheikh, N.Rather, S.Chakraborty, R.Palit

Extended triaxial projected shell model approach for odd-neutron nuclei

NUCLEAR STRUCTURE 117,119,121,123,125,127,129,131Xe; calculated levels, J, π, amplitudes of projected K configurations, dynamic moments of inertia, transition quadrupole moments, aligned angular momenta, signature splitting for yrast and yrare bands. Triaxial projected shell model (TPSM) approach. Comparison to experimental data.

doi: 10.1103/PhysRevC.105.054310
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2022KA24      Eur.Phys.J. A 58, 159 (2022)

D.Kanjilal, S.K.Dey, S.S.Bhattacharjee, A.Bisoi, M.Das, C.C.Dey, S.Nag, R.Palit, S.Ray, S.Saha, J.Sethi, S.Saha

High-spin states of 204At: isomeric states and shears band structure

NUCLEAR REACTIONS 197Au(12C, 5n)204At, E=65, 75 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linar polarization), isomer T1/2 using INGA array of 15 HPGe cluster detectors at the BARC-TIFR Pelletron-Linac facility. 204At; deduced high-spin levels, J, π, multipolarities, B(M1)/B(E2), configurations, bands, magnetic-rotational (shears) band. Comparison with principal axis cranking (SPAC) model calculations.

doi: 10.1140/epja/s10050-022-00809-4
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2022KA31      Phys.Rev. C 106, 034323 (2022)

K.Katre, P.V.Madhusudhana Rao, R.Raut, A.Sharma, K.Suryanarayana, A.Tejaswi, M.Ratna Raju, D.Vijaya Lakshmi, T.Seshi Reddy, M.Kumar Raju, S.Jehangir, N.Rather, G.H.Bhat, N.Nazir, J.A.Sheikh, Y.P.Wang, J.T.Matta, A.D.Ayangeakaa, U.Garg, S.S.Ghugre, T.Trivedi, B.S.Naidu, R.Palit, S.Saha, S.Muralithar, R.P.Singh

Chiral-like doublet band structure and octupole correlations in 104Ag

NUCLEAR REACTIONS 76Ge(32S, 3np)104Ag, E=110 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), level T1/2 by DSAM using INGA array of 18 Compton suppressed clover detectors at the 14-UD BARC-TIFR Pelletron Facility. 104Ag; deduced high-spin levels, J, π, multipolarities, bands, B(M1), B(E2), B(E1), B(M1)/B(E1), B(M1)/B(E2), spherical configurations, moment of inertia plots, alignments; calculated potential energy surface in the (β-γ) deformation plane, octupole correlations, enhanced E1 transitions, chiral-like doublet band. Comparison with theoretical calculations using triaxial projected shell model (TPSM) and covariant density functional theory (CDFT).

doi: 10.1103/PhysRevC.106.034323
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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
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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
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2021BA43      Phys.Rev. C 104, 044302 (2021)

I.Bala, S.C.Pancholi, M.K.Raju, A.Dhal, S.Saha, J.Sethi, T.Trivedi, R.Raut, S.S.Ghugre, R.Palit, R.P.Singh, S.Muralithar

Collective and noncollective states in 66Zn

NUCLEAR REACTIONS 56Fe(12C, 2p)66Zn, E≈62 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linear polarization) using INGA array at the 14UD pelletron accelerator of TIFR-Mumbai. 66Zn; deduced high-spin levels, J, π, multipolarities, bands, upper limit of half-life of 2826, 3- level from line-shape analysis of Doppler-shifted peaks, alignments, B(E1)/B(E2) ratios, configurations, large octupole correlations from B(E1) values; calculated levels, J, π, average particle occupancies, quasiparticle energies for proton and neutron, total routhian surface (TRS) for zero quasiparticle configuration using shell model in fpg model space and jj44bpn effective interaction. Comparison between experimental results and theoretical model calculations.

doi: 10.1103/PhysRevC.104.044302
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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
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2021CI02      Eur.Phys.J. A 57, 156 (2021)

M.Ciemala, S.Ziliani, F.C.L.Crespi, S.Leoni, B.Fornal, A.Maj, P.Bednarczyk, G.Benzoni, A.Bracco, C.Boiano, S.Bottoni, S.Brambilla, M.Bast, M.Beckers, T.Braunroth, F.Camera, N.Cieplicka-Orynczak, E.Clement, S.Coelli, O.Dorvaux, S.Erturk, G.De France, C.Fransen, A.Goldkuhle, J.Grebosz, M.N.Harakeh, L.W.Iskra, B.Jacquot, A.Karpov, M.Kicinska-Habior, Y.-H.Kim, M.Kmiecik, A.Lemasson, S.M.Lenzi, M.Lewitowicz, H.Li, I.Matea, K.Mazurek, C.Michelagnoli, M.Matejska-Minda, B.Million, C.Muller-Gatermann, V.Nanal, P.Napiorkowski, D.R.Napoli, R.Palit, M.Rejmund, Ch.Schmitt, M.Stanoiu, I.Stefan, E.Vardaci, B.Wasilewska, O.Wieland, M.Zieblinski, M.Zielinska

Accessing tens-to-hundreds femtoseconds nuclear state lifetimes with low-energy binary heavy-ion reactions

NUCLEAR REACTIONS 181Ta(18O, X)17O/18O/19O/20O/24Mg/13C, E=126 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, lifetimes using a novel Monte Carlo technique. Doppler-shift, AGATA tracking array at GANIL.

doi: 10.1140/epja/s10050-021-00451-6
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2021JE03      Phys.Rev. C 104, 044322 (2021)

S.Jehangir, G.H.Bhat, N.Rather, J.A.Sheikh, R.Palit

Systematic study of near-yrast band structures in odd-mass 125-137Pr and 127-139Pm isotopes

NUCLEAR STRUCTURE 125,127,129,131,133,135,137Pr, 127,129,131,133,135,137,139Pm; calculated levels, J, π, bands, projected energies for bands, bandhead energies after configuration mixing and dominant intrinsic configurations, dominant probability contributions of projected configurations in the wave functions of the bandheads, aligned angular momenta, dynamic moments of inertia, probabilities of projected K-configurations in wave functions of the yrast bands for 127Pr and 131Pm. Triaxial projected shell-model (TPSM), including three- and five-quasiparticle configurations for odd-proton systems.

doi: 10.1103/PhysRevC.104.044322
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2021JE05      Eur.Phys.J. A 57, 308 (2021)

S.Jehangir, G.H.Bhat, J.A.Sheikh, S.Frauendorf, W.Li, R.Palit, N.Rather

Triaxial projected shell model study of Formula-bands in atomic nuclei

NUCLEAR STRUCTURE 154,156Gd, 156,158,160,162Dy, 164,166,168,170Er, 180Hf, 232Th, 238U, 104,106,108Mo, 108Ru, 110Ru, 112Ru, 114Ru; calculated stagerring parameters, J, γ-bands. Triaxial projected shell model (TPSM) approach.

doi: 10.1140/epja/s10050-021-00620-7
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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
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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
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2021PA33      Phys.Lett. B 820, 136570 (2021)

S.K.Pandit, A.Shrivastava, K.Mahata, N.Keeley, V.V.Parkar, R.Palit, P.C.Rout, K.Ramachandran, A.Kumar, S.Bhattacharyya, V.Nanal, S.Biswas, S.Saha, J.Sethi, P.Singh, S.Kailas

Unraveling the reaction mechanism for large alpha production and incomplete fusion in reactions involving weakly bound stable nuclei

NUCLEAR REACTIONS 93Nb(7Li, X)94Mo/95Mo/96Mo, E=24 MeV; measured reaction products, Eγ, Iγ, Eα, Iα; deduced σ(θ, E). Comparison with DWBA calculations. BARC-TIFR Pelletron-Linac facility, the Indian National Gamma Array (INGA).

doi: 10.1016/j.physletb.2021.136570
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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
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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
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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
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2021ZI01      Phys.Rev. C 104, L041301 (2021)

S.Ziliani, M.Ciemala, F.C.L.Crespi, S.Leoni, B.Fornal, T.Suzuki, T.Otsuka, A.Maj, P.Bednarczyk, G.Benzoni, A.Bracco, C.Boiano, S.Bottoni, S.Brambilla, M.Bast, M.Beckers, T.Braunroth, F.Camera, N.Cieplicka-Orynczak, E.Clement, S.Coelli, O.Dorvaux, S.Erturk, G.de France, C.Fransen, A.Goldkuhle, J.Grebosz, M.N.Harakeh, L.W.Iskra, B.Jacquot, A.Karpov, M.Kicinska-Habior, Y.Kim, M.Kmiecik, A.Lemasson, S.M.Lenzi, M.Lewitowicz, H.Li, I.Matea, K.Mazurek, C.Michelagnoli, M.Matejska-Minda, B.Million, C.Muller-Gatermann, V.Nanal, P.Napiorkowski, D.R.Napoli, R.Palit, M.Rejmund, Ch.Schmitt, M.Stanoiu, I.Stefan, E.Vardaci, B.Wasilewska, O.Wieland, M.Zieblinski, M.Zielinska

Complete set of bound negative-parity states in the neutron-rich nucleus 18N

NUCLEAR REACTIONS 181Ta(18O, X)18N, E=126 MeV; measured reaction products, A/Q versus ion charge Q identification plot using VAMOS++ spectrometer at GANIL accelerator facility, Doppler-corrected Eγ, Iγ, γγ-coin using the γ-tracking array AGATA. 18N; deduced levels, J, π, configurations. Comparison with shell-model calculations using YSOX interactions, and with previous experimental data.

NUCLEAR STRUCTURE 16,18N; calculated levels, J, π using shell-model with YSOX interactions. Comparison with experimental data.

doi: 10.1103/PhysRevC.104.L041301
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2020BA52      Phys.Rev. C 102, 044329 (2020)

R.Banik, S.Bhattacharyya, M.Rejmund, A.Lemasson, S.Biswas, A.Navin, Y.H.Kim, C.Michelagnoli, I.Stefan, P.Bednarczyk, S.Bhattacharya, E.Clement, H.L.Crawford, G.de France, P.Fallon, G.Fremont, J.Goupil, B.Jacquot, H.J.Li, J.Ljungvall, A.Maj, L.Menager, V.Morel, G.Mukherjee, R.Palit, R.M.Perez-Vidal, J.Ropert, C.Schmitt

High-spin states above the isomers in neutron-rich iodine nuclei near N = 82

NUCLEAR REACTIONS 9Be(238U, F), E=6.2 MeV/nucleon; measured fission fragments using the VAMOS++ magnetic spectrometer and dual position-sensitive multiwire proportional counter (DPS-MWPC) at GANIL, Eγ, Iγ, prompt γγ-coin, (prompt γ)(delayed γ)-coin, (delayed γ)(delayed γ)-coin, half-lives of the isomers in 131I, 132I and 133I by γ(t) using AGATA array with 32 segmented HPGe detectors and seven EXOGAM segmented clover detectors for γ detection. 130,131,132,133,134I; deduced high-spin levels, J, π, isomers, configurations. Comparisons with large-scale shell-model calculations using the code NUSHELLX. Systematics of experimental energy differences for the lowest states in odd-N isotopes of Sn, Sb, Te and I.

NUCLEAR STRUCTURE 130,131,132,133,134I; calculated levels, J, π, probability of neutron hole occupancies in the νh11/2 orbital as a function of the total spin of negative parity states, and average spin contributions of proton and neutrons to the total spin of the negative parity states using large-scale shell-model calculations with the code NUSHELLX. Comparison with experimental data.

doi: 10.1103/PhysRevC.102.044329
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2020BI06      Phys.Rev. C 102, 014326 (2020)

S.Biswas, A.Lemasson, M.Rejmund, A.Navin, Y.H.Kim, C.Michelagnoli, I.Stefan, R.Banik, P.Bednarczyk, S.Bhattacharya, S.Bhattacharyya, E.Clement, H.L.Crawford, G.de France, P.Fallon, G.Fremont, J.Goupil, B.Jacquot, H.J.Li, J.Ljungvall, A.Maj, L.Menager, V.Morel, R.Palit, R.M.Perez-Vidal, J.Ropert

Prompt-delayed γ-ray spectroscopy of neutron-rich 119, 121In isotopes

NUCLEAR REACTIONS 9Be(238U, F), E=6.2 MeV/nucleon; measured Eγ, Iγ, γγ-coin, fission fragments, (fragment)γ-coin, half-lives of isomers by γ(t) using AGATA and EXOGAM detector arrays for prompt and delayed γ detection and the VAMOS++ spectrometer for fission fragment identification at GANIL. 119,121In; deduced high-spin levels, J, π, configurations, B(E2). Comparison with large-scale shell-model calculations. Systematics of B(E2) values for 25/2+ to 21/2+ transitions in odd-A In isotopes.

NUCLEAR STRUCTURE 119,121,123,125,127,129In, 121,123,125,127,129,131Sb; calculated high-spin levels, J, π, probabilities for the neutron angular momentum and neutron seniority using large-scale shell-model.

doi: 10.1103/PhysRevC.102.014326
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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
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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
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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
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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
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2020CI02      Phys.Rev. C 101, 021303 (2020)

M.Ciemala, S.Ziliani, F.C.L.Crespi, S.Leoni, B.Fornal, A.Maj, P.Bednarczyk, G.Benzoni, A.Bracco, C.Boiano, S.Bottoni, S.Brambilla, M.Bast, M.Beckers, T.Braunroth, F.Camera, N.Cieplicka-Orynczak, E.Clement, S.Coelli, O.Dorvaux, S.Erturk, G.de France, C.Fransen, A.Goldkuhle, J.Grebosz, M.N.Harakeh, L.W.Iskra, B.Jacquot, A.Karpov, M.Kicinska-Habior, Y.Kim, M.Kmiecik, A.Lemasson, S.M.Lenzi, M.Lewitowicz, H.Li, I.Matea, K.Mazurek, C.Michelagnoli, M.Matejska-Minda, B.Million, C.Muller-Gatermann, V.Nanal, P.Napiorkowski, D.R.Napoli, R.Palit, M.Rejmund, Ch.Schmitt, M.Stanoiu, I.Stefan, E.Vardaci, B.Wasilewska, O.Wieland, M.Zieblinski, M.Zielinska, A.Atac, D.Barrientos, B.Birkenbach, A.J.Boston, B.Cederwall, L.Charles, J.Collado, D.M.Cullen, P.Desesquelles, C.Domingo-Pardo, J.Dudouet, J.Eberth, V.Gonzalez, J.Goupil, L.J.Harkness-Brennan, H.Hess, D.S.Judson, A.Jungclaus, W.Korten, M.Labiche, A.Lefevre, R.Menegazzo, D.Mengoni, J.Nyberg, R.M.Perez-Vidal, Zs.Podolyak, A.Pullia, F.Recchia, P.Reiter, F.Saillant, M.D.Salsac, E.Sanchis, O.Stezowski, Ch.Theisen, J.J.Valiente-Dobon, J.D.Holt, J.Menendez, A.Schwenk, J.Simonis

Testing ab initio nuclear structure in neutron-rich nuclei: Lifetime measurements of second 2+ state in 16C and 20O

NUCLEAR REACTIONS 181Ta(18O, X)16C/19O/20O, E=7.0 MeV/nucleon; measured reaction products, Eγ, Iγ, (particle)γ-coin, level half-lives by Doppler-shift attenuation method and Monte Carlo simulations using AGATA array, coupled to the PARIS scintillator array and to the VAMOS++ magnetic spectrometer at GANIL. 16C, 19,20O; deduced levels, J, π. Comparison with predictions of the valence-space in-medium similarity renormalization group (VS-IMSRG) and the no-core shell model (NCSM) with NN and 3N interactions.

doi: 10.1103/PhysRevC.101.021303
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2020DA05      Phys.Rev. C 101, 044310 (2020)

A.Das, A.Bisoi, M.S.Sarkar, S.Sarkar, S.Ray, D.Pramanik, R.Kshetri, S.Nag, P.Singh, K.Selvakumar, A.Goswami, S.Saha, J.Sethi, T.Trivedi, B.S.Naidu, R.Donthi, V.Nanal, R.Palit

High spin states of 37Ar

NUCLEAR REACTIONS 27Al(12C, np), E=40 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO and ADO), γγ(linear polarization) using the INGA array at the 14UD Pelletron accelerator of TIFR-Mumbai. 37Ar; deduced high-spin levels, J, π, γ-branching ratios, multipolarities, mixing ratios, B(E1), B(M1), B(E2), B(M2). Comparison with large basis shell model calculations using OXBASH code with SDPFMW interaction, and with simple two-level mixing calculation. Comparison with previous experimental results.

NUCLEAR STRUCTURE 37Ar; calculated levels, J, π, γ-branching ratios, wave functions amplitudes and partitions for the positive- and negative-parity states, B(E1), B(M1), B(E2), B(M2), level half-lives, 0p-0h configuration mixing in yrast levels. Large basis shell model calculations using OXBASH code with SDPFMW interaction, and simple two-level mixing calculations. Comparison with experimental data.

doi: 10.1103/PhysRevC.101.044310
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2020JE04      Eur.Phys.J. A 56, 197 (2020)

S.Jehangir, I.Maqbool, G.H.Bhat, J.A.Sheikh, R.Palit, N.Rather

High-spin doublet band structures in odd-odd 194-200Tl isotopes

NUCLEAR STRUCTURE 194,196,198,200Tl; calculated energy levels, J, π, projected energies, before band mixing of negative parity states, staggering, B(E2), B(M1). Comparison with experimental values.

doi: 10.1140/epja/s10050-020-00206-9
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2020LA06      Phys.Rev. C 101, 034315 (2020)

Md.S.R.Laskar, R.Palit, S.N.Mishra, N.Shimizu, Y.Utsuno, E.Ideguchi, U.Garg, S.Biswas, F.S.Babra, R.Gala, C.S.Palshetkar, Z.Naik

Structure of the 11/2- isomeric state in 133La

NUCLEAR REACTIONS 126Te(11B, 4n)133La, E=52 MeV; measured Eγ, Iγ, spin precession, g factor of the 11/2- isomeric state in 133La by time differential perturbed angular distribution (TDPAD) technique, and its half-life by γ(t) at the Pelletron Linac Facility of BARC-TIFR. 133La; deduced levels, J, π, spectroscopic quadrupole moment, β2. Analysis of spin rotation data by magnetic dipole and electric quadrupole hyperfine interactions. Comparison with large scale shell model calculations.

doi: 10.1103/PhysRevC.101.034315
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2020MA11      Acta Phys.Pol. B51, 829 (2020)

M.Matejska-Minda, P.J.Napiorkowski, R.Kumar, M.Saxena, S.Dutt, A.Agarwal, I.Ahmed, S.Bhattacharya, A.Jhingan, J.Kaur, M.Kicinska-Habior, M.Kumar, S.Kumar, D.Kumar, V.Nanal, R.Palit, N.K.Rai, M.Shuaib, A.Sood, A.Stolarz, T.Trivedi, A.K.Tyagi, R.K.Bhowmik, H.J.Wollersheim

Revised Lifetime of the 11/2- State in 45Sc via Coulomb Excitation

doi: 10.5506/APhysPolB.51.829
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2020MU08      Nucl.Phys. A1000, 121785 (2020)

S.Mukhopadhyay, D.C.Biswas, L.S.Danu, R.Chakrabarti, U.Garg, S.K.Tandel, Y.K.Gupta, B.N.Joshi, G.K.Prajapati, B.V.John, S.Saha, J.Sethi, R.Palit

Lifetime measurement and shell model description of negative parity states up to band-termination in 49V

doi: 10.1016/j.nuclphysa.2020.121785
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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
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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
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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
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2020SE02      Phys.Rev.Lett. 124, 052501 (2020)

N.Sensharma, U.Garg, Q.B.Chen, S.Frauendorf, D.P.Burdette, J.L.Cozzi, K.B.Howard, S.Zhu, M.P.Carpenter, P.Copp, F.G.Kondev, T.Lauritsen, J.Li, D.Seweryniak, J.Wu, A.D.Ayangeakaa, D.J.Hartley, R.V.F.Janssens, A.M.Forney, W.B.Walters, S.S.Ghugre, R.Palit

Longitudinal Wobbling Motion in 187Au

NUCLEAR REACTIONS 174Yb(19F, X)187Au, E=105, 115 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies and intensities, J, π, yrast band, B(M1)/B(E2). Comparison with PRM calculations.

doi: 10.1103/PhysRevLett.124.052501
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2020SI20      Phys.Rev. C 102, 034321 (2020)

S.Sihotra, D.Kumar, M.Kaur, V.Singh, S.Saha, J.Sethi, R.Palit, N.Singh, D.Mehta

Evidence of antimagnetic rotation in 100Pd

NUCLEAR REACTIONS 75As(31P, 2nα)100Pd, E=125 MeV; measured Eγ, Iγ, γγ-coin, level half-lives by DSAM using the INGA array at the Pelletron-LINAC facility of TIFR-Mumbai. 100Pd; deduced high-spin levels, J, π, B(E2), moment of inertia plots, anti-magnetic rotation (AMR) structure, configuration. Comparison with predictions of semiclassical particle-rotor model calculations.

doi: 10.1103/PhysRevC.102.034321
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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
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2019AS06      Eur.Phys.J. A 55, 175 (2019)

Md.A.Asgar, G.Mukherjee, T.Roy, S.Nandi, G.H.Bhatt, J.A.Sheikh, R.Palit, S.Bhattacharyya, S.Bhattacharya, C.Bhattacharya, A.Dhal, T.K.Ghosh, A.Chaudhuri, K.Banerjee, S.Kundu, T.K.Rana, P.Roy, R.Pandey, S.Manna, J.K.Meena, S.Saha, S.Biswas, J.Sethi, P.Singh, D.Choudhury

Band structures in 169Tm and the structures of Tm isotopes around N=98

doi: 10.1140/epja/i2019-12882-3
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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
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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
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2019BI04      Phys.Rev. C 99, 064302 (2019)

S.Biswas, A.Lemasson, M.Rejmund, A.Navin, Y.H.Kim, C.Michelagnoli, I.Stefan, R.Banik, P.Bednarczyk, S.Bhattacharya, S.Bhattacharyya, E.Clement, H.L.Crawford, G.de France, P.Fallon, G.Fremont, J.Goupil, B.Jacquot, H.J.Li, J.Ljungvall, A.Maj, L.Menager, V.Morel, R.Palit, R.M.Perez-Vidal, J.Ropert, D.Barrientos, G.Benzoni, B.Birkenbach, A.J.Boston, H.C.Boston, B.Cederwall, J.Collado, D.M.Cullen, P.Desesquelles, C.Domingo-Pardo, J.Dudouet, J.Eberth, V.Gonzalez, L.J.Harkness-Brennan, H.Hess, A.Jungclaus, W.Korten, M.Labiche, A.Lefevre, R.Menegazzo, D.Mengoni, B.Million, D.R.Napoli, A.Pullia, B.Quintana, D.Ralet, F.Recchia, P.Reiter, F.Saillant, M.D.Salsac, E.Sanchis, O.Stezowski, Ch.Theisen, J.J.Valiente-Dobon, M.Zielinska

Effects of one valence proton on seniority and angular momentum of neutrons in neutron-rich 122-13151Sb isotopes

NUCLEAR REACTIONS 9Be(238U, F)122Sb/123Sb/124Sb/125Sb/126Sb/127Sb/128Sb/129Sb/130Sb/131Sb, E=6.2 MeV/nucleon; measured reaction products, Eγ, Iγ, γγ- and (fragment)γ-coin, T1/2 of isomers by γγ(t) using the VAMOS++ spectrometer for fragment identification and the AGATA array with EXOGAM detectors for γ detection at GANIL. 122,123,124,125,126,127,128,129,130,131Sb; deduced levels, J, π, isomers, bands, and B(E2). Systematics of excitation energies and B(E2) values in 118,119,120,121,122,123,124,125,126,127,128,129,130Sn, 121,122,123,124,125,126,127,128,129,130,131Sb. Comparison with shell model calculations. Discussed neutron-neutron and neutron-proton interactions, and neutron seniority mixings.

doi: 10.1103/PhysRevC.99.064302
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2019BI06      Eur.Phys.J. A 55, 159 (2019)

S.Biswas, R.Palit, S.Frauendorf, U.Garg, W.Li, G.H.Bhat, J.A.Sheikh, J.Sethi, S.Saha, P.Singh, D.Choudhury, J.T.Matta, A.D.Ayangeakaa, W.A.Dar, V.Singh, S.Sihotra

Longitudinal wobbling in 133La

NUCLEAR REACTIONS 126Te(11B, 4n)133La, E=52 MeV; measured Eγ, Iγ(θ), γγ-coin, γγγ-coin using INGA (21 Compton suppressed HPGe coupled with digital data acquisition system); deduced 133La lower levels, J, π, γ transitions, angular distribution plots for pure 758, 874, 982 keV M1 transitions in coincidence with 445 keV transition, perpendicular and parallel spectra, a32-a4 contour plots, Direction Correlation from Oriented states (DCO) ratio spectra, B(E2)in, B(E2)out, B(M1)out γ-transitions strengths, mixing ratios, wobbling bands with nω=0 and 1 with interconnecting E2 transitions, increase of wobbling of frequency; calculated 133La angular distribution plots, a2-a4 contour plots, Direction Correlation from Oriented states (DCO) using Quasiparticle-Triaxial-Rotor (QTR) model with and without Harmonic Frozen Approximation (HFA) theory, Tilted Axis Cranking (TAC) model; deduced longitudinal wobbling for 133La. Data compared with recently published 133La study using 116Cd(22Ne, x) at Gammasphere.

doi: 10.1140/epja/i2019-12856-5
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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
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2019KU03      Acta Phys.Pol. B50, 159 (2019)

S.Kumar, S.Sihotra, V.Singh, J.Rather, M.Kaur, J.Goswamy, N.Singh, D.Mehta, T.Trivedi, R.P.Singh, S.Muralithar, R.Palit

Shell-model Description in 99Rh and Systematics of Odd-A Rh Isotopes

NUCLEAR STRUCTURE 99Rh; calculated energy levels, J, π, bands. Comparison with experimental data and systematics.

doi: 10.5506/APhysPolB.50.159
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2019KU17      Phys.Rev. C 100, 034327 (2019)

A.Kundu, S.Santra, A.Pal, D.Chattopadhyay, R.Raut, R.Palit, Md.S.R.Laskar, F.S.Babra, C.S.Palshetkar, B.K.Nayak, S.Kailas

Measurement of the 2+1 level lifetime in 120Sn by the Doppler shift attenuation method: Evidence of enhanced collectivity

NUCLEAR STRUCTURE 120Sn(32S, 32S')120Sn*, E=120 MeV; measured Eγ, Iγ, γ(θ) using enriched target and INGA array of 11 Compton-suppressed HPGe detectors, half-life of the first 2+ level in 120Sn from DSAM at the BARC-TIFR Pelletron LINAC facility. 120Sn; deduced level, B(E2) for the first 2+ state, enhanced collectivity, anharmonic nature of quadrupole vibrations; compiled experimental B(E2) values for the first 2+ states in 112,114,116,118,120,122,124Sn.

doi: 10.1103/PhysRevC.100.034327
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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
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2019MA90      Acta Phys.Pol. B50, 411 (2019)

M.Matejska-Minda, R.Kumar, P.J.Napiorkowski, M.Saxena, S.Dutt, A.Agarwal, I.Ahmed, S.Bhattacharya, A.Jhingan, J.Kaur, M.Kicinska-Habior, M.Kumar, S.Kumar, D.Kumar, V.Nanal, R.Palit, N.K.Rai, M.Shuaib, A.Sood, A.Stolarz, T.Trivedi, A.K.Tyagi, R.K.Bhowmik, H.J.Wollersheim

Investigation of an Intruder Band in 45Sc via Coulomb Excitation

NUCLEAR REACTIONS 45Sc(32S, 32S), E=70 MeV; measured reaction products, Eγ, Iγ, (particle)γ-coin, γγ-coin; deduced γ-ray transitions, levels, J, π.

doi: 10.5506/aphyspolb.50.411
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2019SA04      Phys.Rev. C 99, 014315 (2019)

S.Samanta, S.Das, R.Bhattacharjee, S.Chatterjee, R.Raut, S.S.Ghugre, 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 in 61Ni

NUCLEAR REACTIONS 59Co(7Li, nα), (7Li, X), E=22-24 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO and ADO), γγ(linear polarization) using 11 Compton-suppressed Ge clover detectors at the Pelletron LINAC facility of TIFR, Mumbai. 61Ni; deduced high-spin levels, J, π, multipolarities, configurations. Comparison with previous experimental data, and with large basis shell-model calculations.

NUCLEAR STRUCTURE 61Ni; calculated levels, J, π, representative and dominant partitions of wave functions of positive and negative parity states using large basis shell-model with JJ44BPN and JUN45 interactions. Comparison with experimental data.

doi: 10.1103/PhysRevC.99.014315
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2019SA28      Phys.Rev. C 99, 054301 (2019)

S.Saha, R.Palit, J.Sethi, S.Biswas, P.Singh, S.Nag, A.K.Singh, I.Ragnarsson, F.S.Babra, U.Garg, A.Goswami, E.Ideguchi, H.C.Jain, S.Kumar, Md.S.R.Laskar, G.Mukherjee, Z.Naik, C.S.Palshetkar

Observation of rotation about the longest principal axis in 89Zr

NUCLEAR REACTIONS 80Se(13C, 4n), E=50, 60 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(polarization asymmetry), and level half-lives by DSAM using INGA array at TIFR accelerator facility. 89Zr; deduced high-spin levels, J, π, multipolarities, dipole band, B(M1), configuration; calculated excitation energy relative to a rotating liquid drop energy as a function of spin, and total energy surface plots using cranked Nilsson-Strutinsky model.

doi: 10.1103/PhysRevC.99.054301
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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
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2019SE06      Phys.Lett. B 792, 170 (2019), Erratum Phys.Lett. B 820, 136556 (2021)

N.Sensharma, U.Garg, S.Zhu, A.D.Ayangeakaa, S.Frauendorf, W.Li, G.H.Bhat, J.A.Sheikh, M.P.Carpenter, Q.B.Chen, J.L.Cozzi, S.S.Ghugre, Y.K.Gupta, D.J.Hartley, K.B.Howard, R.V.F.Janssens, F.G.Kondev, T.C.McMaken, R.Palit, J.Sethi, D.Seweryniak, R.P.Singh

Two-phonon wobbling in 135Pr

NUCLEAR STRUCTURE 135Pr; analyzed available data; deduced wobbling. Comparison with theoretical calculations in the framework of the quasiparticle triaxial rotor and triaxial projected shell models.

doi: 10.1016/j.physletb.2019.03.038
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2018BA34      Phys.Rev. C 98, 034320 (2018)

P.Banerjee, S.Ganguly, M.K.Pradhan, Md.M.Shaikh, H.P.Sharma, S.Chakraborty, R.Palit, R.G.Pillay, V.Nanal, S.Saha, J.Sethi

Spectroscopy of weakly deformed bands in 87Zr: First observation of the shears mechanism in a Zr isotope

NUCLEAR REACTIONS 60Ni(31P, n3p), E=112.5 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO ratio), level half-lives by DSA and line-shape analysis using the INGA array at BARC-TIFR Pelletron LINAC facility. 87Zr; deduced high-spin levels, J, π, γ-ray branching ratios, bands, magnetic-dipole (shears) band, multipolarities, mixing ratios, B(M1), B(E2). Systematics of level energies of similar negative-parity bands in 87Zr, 85Sr, 89Mo. Comparison with theoretical predictions.

doi: 10.1103/PhysRevC.98.034320
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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
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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
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2018DA15      Phys.Rev. C 98, 014326 (2018)

B.Das, P.Datta, S.Chattopadhyay, S.Roy, R.Raut, R.K.Bhowmik, A.Goswami, H.C.Jain, R.Kumar, S.Muralithar, D.Negi, S.Pal, R.Palit, R.P.Singh

Coexistence of principal and tilted axis rotation in 110Ag

NUCLEAR REACTIONS 96Zr(18O, 3np), E=70 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(lin pol)(PDCO), level half-lives by DSAM using the INGA array at 15-UD Pelletron of IUAC-New Delhi. 110Ag; deduced high-spin levels, J, π, multipolarities, B(M1), B(E2), configurations, possible shears band. Comparison with shears with principal axis cranking (SPAC) calculation.

doi: 10.1103/PhysRevC.98.014326
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2018PA06      Phys.Rev. C 97, 014607 (2018)

V.V.Parkar, SushilK.Sharma, R.Palit, S.Upadhyaya, A.Shrivastava, S.K.Pandit, K.Mahata, V.Jha, S.Santra, K.Ramachandran, T.N.Nag, P.K.Rath, B.Kanagalekar, T.Trivedi

Investigation of complete and incomplete fusion in the 7Li + 124Sn reaction near Coulomb barrier energies

NUCLEAR REACTIONS 124Sn(7Li, 8Li), (7Li, 6Li), (7Li, 3n), (7Li, 4n), (7Li, 5n), (t, n), (t, 2n), (t, 3n), 123mSn/125Sn/125mSn/124Sb/125Sb/125Sb/126mSb/126I/128I, E(7Li)=17-39 MeV, [triton from 7Li breakup]; measured on-line and off-line Eγ, Iγ, σ(E) for 2n+3n+4n, complete fusion σ(E), total fusion σ(E), incomplete fusion σ(E) for 1n-stripping and 1n-pickup channels at the 14UD BARC-TIFR Pelletron-Linac accelerator facility, Mumbai. Comparison with theoretical calculations of σ(E) using CCFULL code, and continuum discretized coupled channel (CDCC) formalism. 125m,128I; measured decay curves and half-lives.

doi: 10.1103/PhysRevC.97.014607
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2018PA24      Phys.Rev. C 98, 014601 (2018)

V.V.Parkar, S.K.Pandit, A.Shrivastava, R.Palit, K.Mahata, V.Jha, K.Ramachandran, S.Gupta, S.Santra, S.K.Sharma, S.Upadhyaya, T.N.Nag, S.Bhattacharya, T.Trivedi, S.Kailas

Fusion reaction studies for the 6Li + 124Sn system at near-barrier energies

NUCLEAR REACTIONS 124Sn(6Li, X)126I/127I/123Sn/125Sn/125Sb/124Sb/127Te/126Te, E=17.5-35.7 MeV; 159Tb(6Li, X)160Ho/162Ho, E=23.7-33.8 MeV; measured Eγ, Iγ, σ(E) for evaporation residues, complete, incomplete and total fusion (CF, ICF, TF), transfer and capture reactions by online and offline activation methods at the BARC-TIFR Pelletron-Linac facility. Comparison with previous experimental incomplete fusion σ for 209Bi, 197Au, 159Tb, 124Sn(7Li, X), (6Li, X) reactions, and with statistical model and coupled channel calculations using PACE and CCFULL codes.

doi: 10.1103/PhysRevC.98.014601
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2018RO15      Phys.Lett. B 782, 768 (2018)

T.Roy, G.Mukherjee, Md.A.Asgar, S.Bhattacharyya, S.Bhattacharya, C.Bhattacharya, S.Bhattacharya, T.K.Ghosh, K.Banerjee, S.Kundu, T.K.Rana, P.Roy, R.Pandey, J.Meena, A.Dhal, R.Palit, S.Saha, J.Sethi, S.Thakur, B.S.Naidu, S.V.Jadav, R.Dhonti, H.Pai, A.Goswami

Observation of multiple doubly degenerate bands in 195Tl

NUCLEAR REACTIONS 185,187Re(13C, xn)195Tl, E=75 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, B(M1)/B(E2), higher spin states, multiple chiral bands. Comparison with the total Routhian surface (TRS) calculations.

doi: 10.1016/j.physletb.2018.06.033
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2018SA02      Phys.Rev. C 97, 014319 (2018)

S.Samanta, S.Das, R.Bhattacharjee, S.Chatterjee, R.Raut, S.S.Ghugre, A.K.Sinha, U.Garg, Neelam, N.Kumar, P.Jones, Md.SazedurR.Laskar, F.S.Babra, S.Biswas, S.Saha, P.Singh, R.Palit

Single-particle excitations in the level structure of 64Cu

NUCLEAR REACTIONS 59Co(7Li, np), E=22-24 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(ADO), γγ(linear polarization) using an array of 11 Compton-suppressed Clover detectors at Pelletron LINAC facility of TIFR, Mumbai. 64Cu; deduced high-spin levels, J, π, multipolarities, configurations. Comparison with shell-model calculations using the NUSHELLX code.

NUCLEAR STRUCTURE 64Cu; calculated levels, J, π, configurations using the NUSHELLX code. Comparison with experimental data.

doi: 10.1103/PhysRevC.97.014319
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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
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2018SU11      Phys.Rev. C 98, 014330 (2018)

H.Sultana, R.Bhattacharjee, A.Chakraborty, M.A.Khan, S.S.Bhattacharjee, R.Chakrabarti, S.Das, U.Garg, S.S.Ghugre, R.Palit, R.Raut, S.Saha, S.Samanta, J.Sethi, A.K.Sinha, T.Trivedi

Possible onset of multifaceted excitation modes in 29Al

NUCLEAR REACTIONS 18O(13C, np), E=30 MeV; measured Eγ, Iγ(θ), γγ-coin, γγ(θ) asymmetry ratios, level half-lives by DSAM using the INGA array at BARC-TIFR Pelletron Linac facility. 29Al; deduced levels, J, π, multipolarities, B(M1), gK-gR, configurations, magnetic-rotation-like structures, γ-branching ratios and compared with Alaga rules. Comparison with shell-model, and with previous experimental results.

doi: 10.1103/PhysRevC.98.014330
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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
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2017AS01      Phys.Rev. C 95, 031304 (2017)

Md.A.Asgar, T.Roy, G.Mukherjee, A.Dhal, S.Bhattacharya, S.Bhattacharyya, C.Bhattacharya, S.Bhattacharya, A.Chaudhuri, K.Banerjee, S.Kundu, S.Manna, R.Pandey, J.K.Meena, R.Palit, S.Biswas, S.Saha, J.Sethi, P.Singh, D.Choudhury

Return of backbending in 169Tm and the effect of the N=98 deformed shell gap

NUCLEAR REACTIONS 169Tm(32S, 32S'), E=164 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linear polarization) using INGA array at 14-UD BARC-TIFR Pelletron facility. 169Tm; deduced high-spin levels, J, π, multipolarities, bands, configurations, alignments, band crossings, deformation parameters. Comparison with cranked shell model calculations. Systematics of alignment plots of rotational bands in 165,167,169Tm nuclei.

NUCLEAR STRUCTURE 165,167,169Tm; calculated total Routhian surface (TRS) contours, quasineutron energy levels, crossing frequencies and interaction strengths at the band crossings in 1/2[411] bands. Comparison with experimental band crossing frequencies. Cranked shell model calculations.

doi: 10.1103/PhysRevC.95.031304
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2017BH02      Phys.Rev. C 95, 014301 (2017)

S.Bhattacharya, S.Bhattacharyya, S.Das Gupta, H.Pai, G.Mukherjee, R.Palit, F.R.Xu, Q.Wu, A.Shrivastava, Md.A.Asgar, R.Banik, T.Bhattacharjee, S.Chanda, A.Chatterjee, A.Goswami, V.Nanal, S.K.Pandit, S.Saha, J.Sethi, T.Roy, S.Thakur

Deformed band structures at high spin in 200Tl

NUCLEAR REACTIONS 198Pt(7Li, 5n), E=45 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linear polarization), γ(θ) using INGA array at BARC-TIFR Pelletron LINAC facility. 200Tl; deduced high-spin levels, J, π, multipolarities, band structures, alignments, configurations, staggering and B(M1)/B(E2) ratios. Total Routhian surface calculations using Strutinsky shell correction method and deformed Woods-Saxon potential.

doi: 10.1103/PhysRevC.95.014301
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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
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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
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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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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
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2017DA13      Nucl.Instrum.Methods Phys.Res. A841, 17 (2017)

S.Das, S.Samanta, R.Bhattacharjee, R.Raut, S.S.Ghugre, A.K.Sinha, U.Garg, R.Chakrabarti, S.Mukhopadhyay, A.Dhal, M.Kumar Raju, N.Madhavan, S.Muralithar, R.P.Singh, K.Suryanarayana, P.V.Madhusudhana Rao, R.Palit, S.Saha, J.Sethi

Extending the application of DSAM to atypical stopping media

NUCLEAR REACTIONS 27Al(16O, X)41Ca/38Ar/26Mg/29Si, Ta(18O, X)29Si/30Si, 76Ge(32S, 3np)104Ag, E=30, 34, 110 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, T1/2. DSAM, comparison with available data.

doi: 10.1016/j.nima.2016.10.022
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2017JE03      Nucl.Phys. A968, 48 (2017)

S.Jehangir, G.H.Bhat, J.A.Sheikh, R.Palit, P.A.Ganai

Intrinsic properties of high-spin band structures in triaxial nuclei

NUCLEAR STRUCTURE 68,70Ge, 128,130,132,134Ce, 132,134,136,138Nd; calculated levels, J, π, g-factor, rotational and vibrational bands using TPSM (Triaxial Projected Shell Model). Compared with available data.

doi: 10.1016/j.nuclphysa.2017.08.001
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2017KI09      Eur.Phys.J. A 53, 162 (2017)

Y.H.Kim, A.Lemasson, M.Rejmund, A.Navin, S.Biswas, C.Michelagnoli, I.Stefan, R.Banik, P.Bednarczyk, S.Bhattacharya, S.Bhattacharyya, E.Clement, H.L.Crawford, G.De France, P.Fallon, J.Goupil, B.Jacquot, H.J.Li, J.Ljungvall, A.O.Macchiavelli, A.Maj, L.Menager, V.Morel, R.Palit, R.M.Perez-Vidal, J.Ropert, C.Schmitt

Prompt-delayed γ-ray spectroscopy with AGATA, EXOGAM and VAMOS++

NUCLEAR REACTIONS 9Be(238U, f), (238U, x), E=6.2 MeV/nucleon; measured fission fragments using VAMOS++ spectrometer (MWPC ToF, 2 drift chambers, segmented ionization chamber), prompt Eγ, Iγ, γγ-coin using AGATA γ-ray tracking array, delayed Eγ, Iγ using EXOGAM HPGe Clover detectors; deduced event correlations between AGATA, VAMOS++ and EXOGAM, fragment mass distributions, deduced tracked Doppler corrected γ-ray spectra. 132Te; deduced levels, J, π, isomeric transitions to demonstrate the performance of the new setup. 94Y, 122,124Sn, 132,134Te; deduced isomeric transitions T1/2.

doi: 10.1140/epja/i2017-12353-y
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2017KU04      Eur.Phys.J. A 53, 25 (2017)

N.Kumar, S.Kumar, S.K.Mandal, S.Saha, J.Sethi, R.Palit

Magnetic rotation phenomenon in the dipole (ΔI=1) bands of transitional strontium (Sr) isotopes near N=50 shell closure

NUCLEAR REACTIONS 76Ge(13C, 3n), (13C, 4n), E=45 MeV; measured Eγ, Iγ, γγ-coin using 15 Compton-suppressed clover HPGe. 85,86Sr deduced level scheme, high-spin states, selected levels T1/2 using DSAM (Doppler Shift Attenuation Method, B(M1)). Compared with calculations using hybrid TAC (Tilted-Axis-Cranking) model and older data.

doi: 10.1140/epja/i2017-12212-y
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2017MU12      Phys.Rev. C 96, 014315 (2017); Pub. Note Phys.Rev. C 96, 019901 (2017)

S.Mukhopadhyay, D.C.Biswas, S.K.Tandel, S.Frauendorf, L.S.Danu, P.N.Prashanth, B.N.Joshi, G.K.Prajapati, B.V.John, S.Nag, T.Trivedi, S.Saha, J.Sethi, R.Palit, P.K.Joshi

Semi-decoupled band and other high-spin band structures in 188Pt

NUCLEAR REACTIONS 174Yb(18O, 4n)188Pt, E=85 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linear pol)(IPDCO) using the INGA array at the Pelletron-Linac facility of TIFR-Mumbai. 188Pt; deduced high-spin levels, J, π, multipolarities, bands, semi-decoupled band, alignments, staggering. Comparison with cranking model calculations. Systematics of staggering and negative-parity sequences based on 5- in 186,188,190,192,194,196Pt.

doi: 10.1103/PhysRevC.96.014315
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2017NA04      Phys.Lett. B 767, 480 (2017)

A.Navin, M.Rejmund, S.Bhattacharyya, R.Palit, G.H.Bhat, J.A.Sheikh, A.Lemasson, S.Bhattacharya, M.Caamano, E.Clement, O.Delaune, F.Farget, G.de France, B.Jacquot

Evolution of triaxial shapes at large isospin: Rh isotopes

NUCLEAR REACTIONS 9Be(238U, X)114Rh/115Rh/116Rh/117Rh/118Rh/119Rh, E=6.2 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced level energies, J, π, energy signature splitting. Comparison with the Triaxial Projected Shell Model (TPSM) calculations.

doi: 10.1016/j.physletb.2016.11.020
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2017PA13      Eur.Phys.J. A 53, 90 (2017)

R.Palit, G.H.Bhat, J.A.Sheikh

Structure and symmetries of odd-odd triaxial nuclei

COMPILATION 104,106,108,110,112,114,116Rh, 104,106,108,110,112,114,116Ag; compiled calculations and data on levels, J, π, B(M1), B(E2), yrast and yrare bands, signature splitting vs spin for different values of triaxial deformation parameter. Calculations done within TPSM (Triaxial Projected Shell Model).

doi: 10.1140/epja/i2017-12272-y
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2017PA39      Phys.Rev. C 96, 044616 (2017)

S.K.Pandit, A.Shrivastava, K.Mahata, V.V.Parkar, R.Palit, N.Keeley, P.C.Rout, A.Kumar, K.Ramachandran, S.Bhattacharyya, V.Nanal, C.S.Palshetkar, T.N.Nag, S.Gupta, S.Biswas, S.Saha, J.Sethi, P.Singh, A.Chatterjee, S.Kailas

Investigation of large alpha production in reactions involving weakly bound 7Li

NUCLEAR REACTIONS 93Nb(7Li, X)92Zr/93Nb/94Nb/95Nb/93mMo/94Mo/95Mo/95mMo/95Tc/95mTc/96Tc/96mTc/97Tc/96Ru/97Ru/98Ru, E=24, 26, 28, 30 MeV; measured Eγ, Iγ, γγ-coin, σ(E) for (t, n), (t, 2n), (t, 3n), (α, n), (α, 2n), (7Li, 2n), (7Li, 3n), (7Li, 4n), and (7Li, p2n) channels using INGA array at Pelletron-Linac facility in Mumbai; analyzed literature and present data for t-capture and inclusive α-production cross sections for 7Li projectiles incident on 28Si, 58,64Ni, 65Cu, 93Nb, 118,124Sn, 159Tb, 165Ho, 197Au, 198Pt, 208Pb, and 209Bi targets. Comparison with statistical model calculations using PACE code, and angular momentum distribution from the coupled channel code CCFULL.

doi: 10.1103/PhysRevC.96.044616
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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
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2017SI12      J.Phys.(London) G44, 075105 (2017)

V.Singh, S.Sihotra, S.Roy, M.Kaur, S.Saha, J.Sethi, R.Palit, N.Singh, S.S.Malik, H.C.Jain, D.Mehta

Investigation of antimagnetic rotation in 101Pd

NUCLEAR REACTIONS 75As(31P, 3n2p)101Pd, E=125 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, negative-parity bands, J, π, level T1/2, B(E2). Comparison with available data.

doi: 10.1088/1361-6471/aa718a
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2017SI14      Phys.Rev. C 95, 064312 (2017)

V.Singh, S.Sihotra, G.H.Bhat, J.A.Sheikh, M.Kaur, S.Kumar, K.Singh, J.Goswamy, S.Saha, J.Sethi, R.Palit, S.S.Malik, N.Singh, U.Garg, D.Mehta

Band structures in 101Pd

NUCLEAR REACTIONS 75As(31P, 3n2p), E=125 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linear polarization), DSAM half-life analysis for some of the levels in band B3 using INGA array of 21 clover Ge detectors at Pelletron-LINAC facility of TIFR-Mumbai. 101Pd; deduced high-spin levels, J, π, bands, multipolarities, mixing ratios, alignments, experimental Routhians, configurations, anti-magnetic rotational band. Comparison with projected shell model, and hybrid version of tilted-axis cranking shell model calculations. Comparison with structure of 99Pd.

doi: 10.1103/PhysRevC.95.064312
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2016AY04      Phys.Rev. C 93, 054317 (2016)

A.D.Ayangeakaa, U.Garg, C.M.Petrache, S.Guo, P.W.Zhao, J.T.Matta, B.K.Nayak, D.Patel, R.V.F.Janssens, M.P.Carpenter, C.J.Chiara, F.G.Kondev, T.Lauritsen, D.Seweryniak, S.Zhu, S.S.Ghugre, R.Palit

In-beam spectroscopy of medium- and high-spin states in 133Ce

NUCLEAR REACTIONS 116Cd(22Ne, 5n), E=112 MeV; measured Eγ, Iγ, γγ-coin, γ(θ), γγ(θ) using Gammasphere array at ATLAS-ANL facility, enriched target. 133Ce; deduced high-spin levels, J, π, multipolarity, dipole and quadrupole bands, alignments, configurations, rich diversity of collective phenomena. Comparisons with calculations based on cranked Nilsson-Strutinsky (CNS) model and tilted axis cranking covariant density functional theory (TAC-CDFT).

doi: 10.1103/PhysRevC.93.054317
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2016BH01      Nucl.Phys. A947, 127 (2016)

G.H.Bhat, J.A.Sheikh, Y.Sun, R.Palit

Unified description of rotational-, γ-, and quasiparticle-band structures in neutron-rich mass ∼ 110 region

NUCLEAR STRUCTURE 102,103,104,105,106,107,108Mo, 108,109,110,111,112Ru; calculated yrast, γ-, γγ-bands, quadrupole moment. 103,105,107Mo, 109,111Ru calculated B(E2) for many transitions. 102,105Mo calculated rotational bands, other bands. TPSM (Tri-axial Projected Shell Model) calculations with multi-quasiparticle configurations; compared to published data.

doi: 10.1016/j.nuclphysa.2015.12.006
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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
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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
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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
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2016PE09      Phys.Rev. C 93, 064305 (2016)

C.M.Petrache, S.Guo, A.D.Ayangeakaa, U.Garg, J.T.Matta, B.K.Nayak, D.Patel, M.P.Carpenter, C.J.Chiara, R.V.F.Janssens, F.G.Kondev, T.Lauritsen, D.Seweryniak, S.Zhu, S.S.Ghugre, R.Palit

Triaxiality and exotic rotations at high spins in 134Ce

NUCLEAR REACTIONS 116Cd(22Ne, 4n), E=112 MeV; Measured Eγ, Iγ, γγ-coin, γ(θ), γγ(θ) using Gammasphere array at ATLAS-ANL facility. 134Ce; deduced high-spin levels, J, π, multipolarity, SD and triaxial bands, triaxiality, alignments, configurations. Comparison with cranked Nilsson-Strutinsky (CNS) calculations.

doi: 10.1103/PhysRevC.93.064305
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2016PE21      Phys.Rev. C 94, 064309 (2016)

C.M.Petrache, Q.B.Chen, S.Guo, A.D.Ayangeakaa, U.Garg, J.T.Matta, B.K.Nayak, D.Patel, J.Meng, M.P.Carpenter, C.J.Chiara, R.V.F.Janssens, F.G.Kondev, T.Lauritsen, D.Seweryniak, S.Zhu, S.S.Ghugre, R.Palit

Triaxial-band structures, chirality, and magnetic rotation in 133La

NUCLEAR REACTIONS 116Cd(22Ne, 4np), E=112 MeV; measured Eγ, Iγ, γγ-coin, γ(θ), γγ(θ) ratios using Gammasphere array at ATLAS-ANL facility. 133La; deduced high-spin levels, J, π, multipolarities, bands, alignments, B(M1)/B(E2) ratios, configurations. Comparison with calculations using cranked Nilsson-Strutinsky (CNS) model, covariant density functional theory (CDFT) with a self-consistent relativistic mean field (RMF), and the particle rotor model (PRM).

doi: 10.1103/PhysRevC.94.064309
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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
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2016SE01      J.Phys.(London) G43, 015103 (2016)

J.Sethi, R.Palit, J.J.Carroll, S.Karamian, S.Saha, S.Biswas, Z.Naik, T.Trivedi, M.S.Litz, P.Datta, S.Chattopadhyay, R.Donthi, U.Garg, S.Jadhav, H.C.Jain, S.Kumar, D.Mehta, B.S.Naidu, G.H.Bhat, J.A.Sheikh, S.Sihotra, P.M.Walker

Low-lying states near the Iπ = 6+ isomer in 108Ag

NUCLEAR REACTIONS 100Mo(11B, 3n), E=39 MeV; measured reaction products, Eγ, Iγ, γ-γ-coinc.; deduced σ(θ), σ, energy levels, J, π, γ-ray intensities. Comparison with projected Hartree-Fock calculations.

doi: 10.1088/0954-3899/43/1/015103
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2016SI23      Phys.Rev. C 94, 044320 (2016)

V.Singh, S.Sihotra, S.S.Malik, G.H.Bhat, R.Palit, J.A.Sheikh, S.Kumar, N.Singh, K.Singh, J.Goswamy, J.Sethi, S.Saha, T.Trivedi, D.Mehta

Structure of dipole bands in doubly odd 102Ag

NUCLEAR REACTIONS 75As(31P, 3np), E=125 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(lin pol), level lifetimes by DSAM using the INGA array at TIFR-BARC Pelletron Linac facility. 102Ag; deduced high-spin levels, J, π, multipolarities, bands, alignments, moment of inertia plots, Routhian plots, B(M1), B(E2), B(M1)/B(E2) ratios, configurations, staggering parameter. Comparison with tilted-axis cranking (TAC) model calculations. Systematics of band structures, B(M1)/B(E2) ratios, configurations, alignment plots and staggering parameters in 102,104,106,108Ag.

doi: 10.1103/PhysRevC.94.044320
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