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NSR database version of May 20, 2024.

Search: Author = R.Donthi

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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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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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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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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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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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2015CH05      Phys.Rev. C 91, 014318 (2015)

D.Choudhury, R.Palit, P.Singh, J.Sethi, S.Saha, S.Biswas, H.C.Jain, V.Nanal, R.G.Pillay, R.Donthi, S.K.Jadhav, B.S.Naidu, B.Maheshwari, A.K.Jain, S.C.Pancholi, R.P.Singh, S.Mukhopadhyay, D.C.Biswas, L.S.Danu, S.K.Tandel, L.Chaturvedi, K.R.Devi, S.Singh

Role of neutrons in the coexistence of magnetic and antimagnetic rotation bands in 107Cd

NUCLEAR REACTIONS 94Zr(18O, 5n), E=90 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linear pol), level half-lives by DSAM using INGA array at TIFR-BARC Pelletron-Linac facility. 107Cd; deduced levels, J, π, multipolarity, configuration, B(M1), alignment plots, magnetic (shears) and antimagnetic rotational (MR and AMR) bands. Comparison with tilted axis cranking and semiclassical model (SCM) calculations.

doi: 10.1103/PhysRevC.91.014318
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2015RA02      Phys.Rev. C 91, 024319 (2015)

M.K.Raju, D.Negi, S.Muralithar, R.P.Singh, J.A.Sheikh, G.H.Bhat, R.Kumar, I.Bala, T.Trivedi, A.Dhal, K.Rani, R.Gurjar, D.Singh, R.Palit, B.S.Naidu, S.Saha, J.Sethi, R.Donthi, S.Jadhav

High spin spectroscopy and shape evolution in 105Cd

NUCLEAR REACTIONS 92Mo(16O, n2p), E=75 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linear pol) using INGA array at TIFR-14UD Pelletron accelerator facility. 105Cd; deduced high-spin levels, J, π, multipolarity, bands, configurations, alignments. Comparison with triaxial projected shell model (TPSM), cranked shell model (CSM), and total Routhian surface (TRS) calculations. Systematics of level energies for νh11/2 bands in 103,105,107,109Cd.

doi: 10.1103/PhysRevC.91.024319
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2015SE06      Acta Phys.Pol. B46, 703 (2015)

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

Spectroscopy of the Low-lying States Near the High Spin Isomer in 108Ag

NUCLEAR REACTIONS 100Mo(11B, 3n), E=39 MeV; measured reaction products, Eγ, Iγ; deduced energy levels, J, π, γ-ray intensities, branching ratios.

doi: 10.5506/APhysPolB.46.703
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2014BI03      Phys.Rev. C 89, 024303 (2014)

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

High spin spectroscopy in 34Cl

NUCLEAR REACTIONS 27Al(12C, nα), E=40 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linear polarization), level half-lives by DSAM using INGA array at TIFR accelerator facility. 34Cl; deduced high-spin levels, J, π, multipolarity, mixing ratio, B(E2). Comparison with large-basis shell-model calculations.

NUCLEAR STRUCTURE 34Cl; calculated levels, J, π, wave functions, γ-branching ratios, B(M1), B(E2), B(M2) using large-basis shell-model (LBSM) calculations for different truncation schemes. OXBASH computer code. Comparison with experimental data.

doi: 10.1103/PhysRevC.89.024303
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2014BI16      Phys.Rev. C 90, 024328 (2014)

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

Collective excitations in 33S

NUCLEAR REACTIONS 27Al(12C, npα)33S, E=40 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linear polarization), level half-lives by DSAM using INGA array at TIFR Pelletron facility. 33S; deduced levels, J, π, branching ratios, multipolarity, mixing ratio, B(M1), B(E1), B(E2), configurations. Comparison with large-scale shell model calculations.

NUCLEAR STRUCTURE 33S; calculated levels, J, π, configurations, wave functions, B(E1), B(M1), B(E2), alignment plot using large-basis shell model approach. Comparison with experimental data.

doi: 10.1103/PhysRevC.90.024328
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2014KU19      Phys.Rev. C 90, 024315 (2014)

S.Kumar, N.Kumar, S.Mandal, S.C.Pancholi, P.C.Srivastava, A.K.Jain, R.Palit, S.Saha, J.Sethi, B.S.Naidu, R.Donthi, P.K.Joshi, T.Trivedi, S.Muralithar, R.P.Singh, R.Kumar, A.Dhal, R.K.Bhowmik

High spin band structure of 8538Sr47

NUCLEAR REACTIONS 76Ge(13C, 4n), E=45 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linear polarization) using INGA array at TIFR Pelletron facility. 85Sr; deduced high-spin levels, J, π, multipolarity, bands, magnetic-dipole (shears) rotational band, B(M1)/B(E2) ratios, signature splitting, alignments, configurations. Comparison with large-scale shell model, and tilted axis cranking calculations.

NUCLEAR STRUCTURE 85Sr; calculated levels, J, π, configurations using large-scale shell model with JUN45 and jj44b interactions. Comparison with experimental data.

doi: 10.1103/PhysRevC.90.024315
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2013GA11      Phys.Rev. C 87, 034317 (2013)

R.Garg, S.Kumar, M.Saxena, S.Goyal, D.Siwal, S.Verma, R.Palit, S.Saha, J.Sethi, S.K.Sharma, T.Trivedi, S.K.Jadav, R.Donthi, B.S.Naidu, S.Mandal

High spin states in 57135La78

NUCLEAR REACTIONS 128Te(11B, 4n), E=50.5 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(lin pol), using the INGA at the TIFR facility. 135La; deduced high-spin levels, J, π, multipolarity, bands, dipole bands, configurations, alignments, B(M1)/B(E2). Systematics of 11/2- bands in odd-A (A=129-137) La nuclei. Comparison with Tilted Axis Cranking (TAC) calculations.

doi: 10.1103/PhysRevC.87.034317
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2013NA37      Eur.Phys.J. A 49, 145 (2013)

S.Nag, P.Singh, K.Selvakumar, A.K.Singh, A.Bisoi, A.Goswami, S.Bhattacharya, S.Kumar, K.Singh, J.Sethi, S.Saha, T.Trivedi, S.V.Jadhav, R.Donthi, B.S.Naidu, R.Palit

Non-collective states in 122Te

NUCLEAR REACTIONS 116Cd(11B, 4np), E=65 MeV; measured in-beam Eγ, Iγ(θ), γγ-coin, γ linear polarization using Compton-suppressed clover detectors of INGA array. 122Te deduced levels, J, π, γ transitions, transition multipolarity, γ-ray asymmetry parameter from polarization; calculated levels, J, π using shell model with SM1, SM2, SM3 interactions.

doi: 10.1140/epja/i2013-13145-1
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2013SE12      Phys.Lett. B 725, 85 (2013)

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

Structure of nearly degenerate dipole bands in 108Ag

NUCLEAR REACTIONS 100Mo(11B, 3n), E=39 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced level energies, J, π, B(M1), B(M1)/B(E2), high spin negative parity states. Comparison with microscopic triaxial projected shell model approach calculations.

doi: 10.1016/j.physletb.2013.06.054
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2012PA16      Phys.Rev. C 85, 064313 (2012)

H.Pai, G.Mukherjee, S.Bhattacharyya, M.R.Gohil, T.Bhattacharjee, C.Bhattacharya, R.Palit, S.Saha, J.Sethi, T.Trivedi, S.Thakur, B.S.Naidu, S.K.Jadav, R.Donthi, A.Goswami, S.Chanda

High spin band structures in doubly odd 194Tl

NUCLEAR REACTIONS 185,187Re(13C, xn)194Tl, E=75 MeV; measured Eγ, Iγ, γγ-coin, DCO, γγ(linear pol) using the INGA array. 194Tl; deduced high-spin levels, J, π, configurations, bands, multipolarity, alignments, moments of inertia, band crossing, magnetic-dipole (shears) rotational band. Comparison with total Routhian surfaces (TRS) using the cranked shell model. Comparison with semi-classical calculations for magnetic-dipole band. Systematics of band structures in 190,192,194,196,198Tl.

doi: 10.1103/PhysRevC.85.064313
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2012SA36      Phys.Rev. C 86, 034315 (2012)

S.Saha, R.Palit, J.Sethi, T.Trivedi, P.C.Srivastava, S.Kumar, B.S.Naidu, R.Donthi, S.Jadhav, D.C.Biswas, U.Garg, A.Goswami, H.C.Jain, P.K.Joshi, G.Mukherjee, Z.Naik, S.Nag, V.Nanal, R.G.Pillay, S.Saha, A.K.Singh

Experimental investigation of shell-model excitations of 89Zr up to high spin

NUCLEAR REACTIONS 80Se(13C, 4n)89Zr, E=50 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linear pol) using INGA array at TIFR Pelletron facility. 89Zr; deduced high-spin levels, J, π, multipolarity, configuration. Comparison with shell-model calculations.

NUCLEAR STRUCTURE 89Zr; calculated levels, J, π, wave functions, configurations using shell-model with JUN45 and jj44b interactions.

doi: 10.1103/PhysRevC.86.034315
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2012SI09      Phys.Rev. C 85, 054311 (2012)

P.Singh, S.Nag, K.Selvakumar, A.K.Singh, I.Ragnarsson, A.Bisoi, A.Goswami, S.Bhattacharya, S.Kumar, K.Singh, J.Sethi, S.Saha, T.Trivedi, S.V.Jadhav, R.Donthi, B.S.Naidu, R.Palit

High-spin spectroscopy of 122I

NUCLEAR REACTIONS 116Cd(11B, 5n), E=65 MeV; measured Eγ, Iγ, γγ-coin, angular distribution ratios, γγ(linear pol) using INGA array at TIFR, Mumbai facility. 122I; deduced high-spin levels, J, π, bands, multipolarity, configurations, band-crossing frequencies, alignment plots, signature splitting, and B(M1)/B(E2) ratios; calculated total energy surface contours in β-γ plane. Cranked Nilsson-Strutinsky calculations.

doi: 10.1103/PhysRevC.85.054311
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