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NSR database version of May 24, 2024.

Search: Author = S.Chakraborty

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2024DA02      Phys.Rev. C 109, 014322 (2024)

S.Das, S.Bhattacharyya, S.Bhattacharya, S.Chakraborty, S.Shukla, P.C.Srivastava, R.Banik, S.Nandi, G.Mukherjee, I.Bala, S.S.Bhattacharjee, S.Das Gupta, A.Dhal, D.Mondal, S.Muralithar, R.Raut, A.Sharma, R.P.Singh, V.Srivastava

High-spin level structure of 209Rn

doi: 10.1103/PhysRevC.109.014322
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2024DA06      Phys.Lett. B 851, 138565 (2024)

Sh. Dar, S.Bhattacharyya, S.Chakraborty, S.Jehangir, S.Bhattacharya, G.H.Bhat, J.A.Sheikh, N.Rather, S.S.Nayak, S.Das, S.Basu, G.Mukherjee, S.Nandi, R.Banik, S.Basak, C.Bhattacharya, S.Chattopadhyay, S.Das Gupta, A.Karmakar, S.S.Ghugre, D.Kumar, D.Mondal, S.Mukhopadhyay, D.Pandit, S.Rajbanshi, R.Raut

Coexistence of low-K oblate and high-K prolate g9/2 proton-hole bands in 115Sb

NUCLEAR REACTIONS 115In(α, 4n), E=52 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies and relative intensities, partial level scheme, positive parity sequence transitions, low-K decoupled band. Comparison with the frameworks of the projected shell model and the total Routhian surface calculations. The Indian National Gamma Array (INGA), the K-130 Cyclotron at Variable Energy Cyclotron Centre (VECC), Kolkata, India.

doi: 10.1016/j.physletb.2024.138565
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2024MU01      J.Radioanal.Nucl.Chem. 333, 1531 (2024)

G.Mukherjee, S.S.Nayak, J.Datta, S.Dasgupta, A.Choudhury, A.Behera, S.Chakraborty, Sh.Dar, S.Das, S.Basu, S.Pal, S.Bhattacharyya

Beta decay study of 126Sb and 126mSb

RADIOACTIVITY 126Sb(IT), (β-) [from 124Sn(α, np), E=27.5 MeV]; measured decay products, Eγ, Iγ; deduced γ-ray energies, J, π, partial level scheme, T1/2, σ. Comparison with available data, PACE-4 calculations. Discrete Gamma Spectroscopy (DGS) and Total Absorption Gamma Spectroscopy (TAGS). The K-130 cyclotron at VECC, Kolkata, India.

doi: 10.1007/s10967-023-09110-0
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2023CH27      Phys.Rev. C 107, 064318 (2023)

S.Chakraborty, S.Bhattacharyya, R.Banik, S.Bhattacharya, G.Mukherjee, C.Bhattacharya, S.Biswas, S.Rajbanshi, S.Dar, S.Nandi, S.Ali, S.Chatterjee, S.Das, S.Das Gupta, S.S.Ghugre, A.Goswami, A.Lemasson, D.Mondal, S.Mukhopadhyay, A.Navin, H.Pai, S.Pal, D.Pandit, R.Raut, P.Ray, M.Rejmund, S.Samanta

Search for the origin of wobbling motion in the A ≈ 130 region: The case of 131Xe

NUCLEAR REACTIONS 130Te(α, 3nγ), E=38 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ). 131Xe; deduced levels, J, π, δ, mixing ratios, polarization asymmetries, γ-rays deexcitation from the oriented states (DCO) ratio, intruder νh11/2 band structure, rotational bands, yrast bands, signature splittings, high-spin states. Comparison to triaxial particle rotor model (TPRM) and triaxial projected shell model (TPSM) calculations. Systematics of the bands structure, signature splittings - 127Xe, 131Xe, 133Ba, 135Ce. No experimental signatures of the wobbling excitation were found in the study. Seven Compton-suppressed clover HPGe detectors of the Indian National Gamma Array (INGA) at K-130 cyclotron of the Variable Energy Cyclotron Centre (VECC, Kolkata).

doi: 10.1103/PhysRevC.107.064318
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2023CH31      Appl.Radiat.Isot. 199, 110921 (2023)

R.Chakravarty, D.Banerjee, S.Chakraborty

Alpha-induced production and robust radiochemical separation of 43Sc as an emerging radiometal for formulation of PET radiopharmaceuticals

NUCLEAR REACTIONS Ca(α, p)43Sc, Ca(α, n)43Ti, E<60 MeV; measured reaction products; deduced yields. Comparison with TALYS calculations. K-130 cyclotron facility available at Variable Energy Cyclotron Centre (VECC), Kolkata, India.

doi: 10.1016/j.apradiso.2023.110921
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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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2023DA19      Phys.Rev. C 108, 064304 (2023)

P.Das, U.Datta, S.Chakraborty, A.Rahaman, O.Tengblad, B.K.Agrawal, A.Becerril, J.Cederkall, J.Dey, A.Gottberg, S.M.Adil Imam, M.Kowalska, J.Kurcewicz, M.Lund, S.Mandal, M.Madurga, N.Marginean, R.Marginean, C.Mihai, I.Marroquin, E.Nacher, A.Negret, S.Pascu, A.Perea, E.Rapisarda, F.Rotaru, J.Ray, P.Sharma, T.Stora, C.Sotty, V.Vedia, N.Warr, R.Wadsworth

Exotic decay of 115Cs

doi: 10.1103/PhysRevC.108.064304
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2023MO15      Phys.Rev. C 107, 064320 (2023)

A.K.Mondal, A.Chakraborty, K.Mandal, U.S.Ghosh, A.Dey, S.Biswas, B.Mukherjee, Krishichayan, S.Chatteerjee, S.K.Das, S.Samanta, R.Raut, S.S.Ghugre, S.Mukhopadhyay, S.Rajbanshi, R.Banik, S.Bhattacharyya, S.Nandi, S.Chakraborty, S.Bhattacharya, G.Mukherjee, S.Ali, A.Goswami, R.Chakrabarti, A.Kumar, R.Goswami

Investigation of the low- and medium-spin level structure in 77As

NUCLEAR REACTIONS 76Ge(α, 2np), E=40 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ). 77As; deduced levels, J, π, δ, high-spin states, polarization asymmetries, γ-rays deexcitation from the oriented states (DCO) ratio, configurations, band crossing, kinematic and dynamic moments of inertia, neutron alignments, rotational and vibrational bands structure. Observed large signature splitting of the signature partner bands. Presented evidence for the possible onset of stapler like mechanism in the high-lying negative-parity dipole band. Comparison to shell-model (JUN45, jj44b interactions) and particle plus triaxial-rotor model (TPRM) calculations. Indian National Gamma Array (INGA) spectrometer comprising 6 Clover and 1 LEPS detectors at K-130 Cyclotron of the Variable Energy Cyclotron Centre (VECC, Kolkata).

doi: 10.1103/PhysRevC.107.064320
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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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2023PA23      Chin.Phys.C 47, 084002 (2023)

A.Pandey, R.Bhushan, A.Rohilla, C.Majumder, H.P.Sharma, S.Chakraborty, R.P.Singh, S.Muralithar, Yashraj, K.Katre, B.Rohila, Subodh, A.Kumar, I.M.Govil, S.Jehangir, N.Rather, G.H.Bhati, A.A.Wani, J.A.Sheikh, S.K.Chamoli

Revisiting band structures in 118Xe nucleus via in-beam γ-ray spectroscopy

NUCLEAR REACTIONS 93Nb(28Si, 2np), E=115 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies and relative intensities, J, π, partial level scheme, DCO ratios, B(E1), B(E1)/B(E2), high-spin states. Comparison with Triaxial projected shell model (TPSM). The 15 UD pelletron accelerator facility at IUAC, New Delhi.

doi: 10.1088/1674-1137/acd83d
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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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2022CH44      Phys.Rev. C 106, 034610 (2022)

S.Chakraborty, R.Santra, S.Roy, V.M.Datar

R-matrix analysis of elastic scattering, phase shifts, and radiative capture reaction cross sections in the α + α system

NUCLEAR REACTIONS 4He(α, α), E(cm)=0.45-11.4 MeV; 4He(α, γ), E* ≈ 11.4 MeV; analyzed experimental data on σ, elastic excitation functions and phase shift data for l=0, 2, 4; deduced resonance parameters, γ- and α-decay widths, B(E2). R-matrix phenomenological analysis with AZURE2 code. Comparison to ab initio calculations.

doi: 10.1103/PhysRevC.106.034610
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2022DA05      Nucl.Phys. A1019, 122382 (2022)

S.Dar, S.Bhattacharya, S.Bhattacharyya, R.Banik, S.Nandi, G.Mukherjee, S.Rajbanshi, S.Das Gupta, S.Ali, S.Chakraborty, S.Chatterjee, S.Das, A.Dhal, S.S.Ghugre, A.Goswami, D.Mondal, S.Mukhopadhyay, H.Pai, S.Pal, D.Pandit, R.Raut, P.Ray, S.Samanta

Magnetic rotational band in 116Sb

NUCLEAR REACTIONS 115In(α, 3n), E=40 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies and intensities, J, π, level scheme, multipolarities, B(M1)/B(E2), yrast rotational bands. Comparison with Magnetic Rotation (MR) under the framework of Semi-Classical Model (SCM) and Shears mechanism with Principal Axis Cranking (SPAC) formalism.

doi: 10.1016/j.nuclphysa.2022.122382
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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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2022MA16      Phys.Rev. C 105, 034308 (2022)

Madhu, K.Yadav, A.Y.Deo, Pragati, P.C.Srivastava, S.K.Tandel, S.G.Wahid, S.Kumar, S.Muralithar, R.P.Singh, I.Bala, S.S.Bhattacharjee, R.Garg, S.Chakraborty, S.Rai, A.K.Jain

Evolution of nuclear structure through isomerism in 216Fr

NUCLEAR REACTIONS 208Pb(11B, 3n), E=54-62 MeV; measured Eγ, Iγ, γ(θ), γγ-coin. 216Fr; deduced high-spin isomers, J, π, T1/2 of isomeric states, γ-ray branching ratios, B(E1), B(M2), single-particle transition rates, configurations. Half-lives extracted using centroid-shift and decay-curve analyses. Systematics of the 11+ isomers properties in the 216Fr, 212At, 218Ac. Comparison to the shell-model calculations. Beam from 15 UD Pelletron accelerator at Inter-University Accelerator Centre (IUAC). Detector system - Indian National Gamma Array (INGA) with 14 Compton suppressed clover HPGe.

doi: 10.1103/PhysRevC.105.034308
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2022NA20      Pramana 96, 84 (2022)

T.Nandi, D.K.Swami, P.S.Damodara Gupta, Y.Kumar, S.Chakraborty, H.C.Manjunatha

Search for a viable nucleus-nucleus potential in heavy-ion nuclear reactions

doi: 10.1007/s12043-022-02331-0
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2022PA16      Phys.Part. and Nucl.Lett. 19, 97 (2022)

M.Pal, S.Chakraborty, B.Sahoo, S.Sahoo

Theoretical Study of the Role of Symmetry Energy as Well as Its Density Slope and Curvature on Neutron Star Core Crust Transition Density Using Finite Range Effective Interaction

NUCLEAR STRUCTURE 208Pb; analyzed available data; deduced core crust transition density and core crust transition pressure of neutron stars.

doi: 10.1134/S154747712202008X
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2022RA02      Nucl.Phys. A1018, 122375 (2022)

P.Ray, H.Pai, S.Ali, A.Mukherjee, S.Rajbanshi, S.Chakraborty, S.Bhattacharya, R.Banik, S.Nandi, S.Bhattacharyya, G.Mukherjee, C.Bhattacharya, G.Gangopadhyay, S.Samanta, S.Das, S.Chatterjee, R.Raut, S.S.Ghugre, P.C.Srivastava, S.Jehangir, B.Bhoy, N.Rather, G.H.Bhat, J.A.Sheikh, A.Goswami

Three-phonon multiplets in 116Sn

NUCLEAR REACTIONS 114Cd(α, 2n), E=34 MeV; measured reaction products, Eγ, Iγ, γγ-coin.; deduced γ-ray energies and intensities, J, π, level scheme, multipolarities, intruder configurations. Interacting Boson Model (IBM) and spherical shell model calculations. The Indian National Gamma Array (INGA).

doi: 10.1016/j.nuclphysa.2021.122375
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2022SH01      Nucl.Instrum.Methods Phys.Res. B511, 1 (2022)

A.Sharma, S.K.Dhiman, S.Muralithar, R.P.Singh, S.Chakraborty, K.Katre, S.R.Abhilash, D.Kabiraj, Meenakshi, G.R.Umapathy

Fabrication and characterization of 169Tm target for Nuclear Lifetime Measurements

NUCLEAR REACTIONS 169Tm(18O, 4n)183Ir, E=94 MeV; measured reaction products, Eγ, Iγ, X-rays, γ-X-ray coin.; deduced γ-ray energies and relative intensities, high-spin states. Doppler broadened lineshapes of gamma transitions. The target laboratory of Inter-University Accelerator Centre, New Delhi. Two HPGe low energy photon spectrometer (LEPS) of the Indian National Gamma array (INGA).

doi: 10.1016/j.nimb.2021.10.014
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2022YA10      Phys.Rev. C 105, 034307 (2022)

K.Yadav, A.Y.Deo, Madhu, Pragati, P.C.Srivastava, S.K.Tandel, S.G.Wahid, S.Kumar, S.Muralithar, R.P.Singh, I.Bala, S.S.Bhattacharjee, R.Garg, S.Chakraborty, S.Rai, A.K.Jain

Level structure in the transitional nucleus 215Fr

NUCLEAR REACTIONS 208Pb(11B, 4n), E=54-62 MeV; measured Eγ, Iγ, γ(θ), γγ-coin, γγγ-coin. 215Fr; deduced levels, high-spin states, J, π, δ, DCO-ratios, γ-ray multipolarities, polarization, T1/2 of the excited states, configurations; calculated levels, J, π, B(E2), B(M1), B(E3), δ. Large scale shell model calculations with CD-Bonn NN potential. Discussed possible structure of yrast and near-yrast lines. Beam from 15 UD Pelletron accelerator at Inter-University Accelerator Centre (IUAC). Detector system - Indian National Gamma Array (INGA) with 14 Compton suppressed clover HPGe.

doi: 10.1103/PhysRevC.105.034307
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2021BH12      Phys.Rev. C 104, 045801 (2021)

A.Bhattacharyya, U.Datta, A.Rahaman, S.Chakraborty, T.Aumann, S.Beceiro Novo, K.Boretzky, C.Caesar, B.V.Carlson, W.N.Catford, M.Chartier, D.Cortina-Gil, P.Das, G.D.Angelis, P.Diaz Fernandez, H.Emling, H.Geissel, D.Gonzalez-Diaz, M.Heine, H.Johansson, B.Jonson, N.Kalantar-Nayestanaki, T.Kroll, R.Krucken, J.Kurcewicz, C.Langer, T.Le Bleis, Y.Leifels, J.Marganiec, G.Munzenberg, T.Nilsson, C.Nociforo, V.Panin, S.Paschalis, R.Plag, R.Reifarth, M.V.Ricciardi, C.Rigollet, D.Rossi, C.Scheidenberger, H.Scheit, H.Simon, Y.Togano, S.Typel, Y.Utsuno, A.Wagner, F.Wamers, H.Weick, J.S.Winfield

Neutron capture cross sections of light neutron-rich nuclei relevant for r-process nucleosynthesis

NUCLEAR REACTIONS 208Pb, 12C(29Na, X), (30Na, X), (33Mg, X), (35Al, X), E=410-430 MeV/nucleon, [secondary 29,30Na, 33Mg, 35Al beams from fragmentation of 540 MeV/nucleon 40Ar beam, followed by separation of ions of interest using the FRS-ALADIN-LAND apparatus at GSI]; measured reaction products, Eγ, Iγ, invariant mass spectra in coincidence with the sum energy of γ rays in different energy ranges using an array of 162 NaI(Tl) detectors for γ rays emitted from the excited core of the projectiles after Coulomb dissociation; deduced number of E1 type virtual photons from Coulomb, invariant mass spectra of breakup of incident beams into 28Na, 29Na, 32Mg and 34Al and one neutron in each case, and analyzed using direct breakup model. 29Na, 30Na, 33Mg, (γ, n), E*=2-16 MeV; 35Al(γ, n), E*=5-20 MeV, virtual photons from Coulomb breakup of incident beams; deduced photoabsorption σ(E) as function of excitation energy. 28,29Na, 32Mg, 34Al(n, γ), E<13 MeV; deduced neutron capture σ(E) using the photoabsorption cross sections. 28,29Na, 32Mg, 34Al(n, γ), T9=0.01-100; deduced astrophysical total reaction rates at the onset and at the end of the r-process. 14C(n, γ), E(cm)=10-1000 keV; analyzed previous experimental cross section data, and compared with theoretical calculations. 29,30Na, 33Mg, 35Al; deduced spectroscopic factors for the occupied orbitals of valence neutron(s) in the ground states from Coulomb breakup cross sections, and compiled previous experimental spectroscopic factors. Relevance to neutrino-driven wind model of core-collapse supernovae, and r-process nucleosynthesis.

doi: 10.1103/PhysRevC.104.045801
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2021CH23      Int.J.Mod.Phys. E30, 2150030 (2021)

S.Chakraborty, H.P.Sharma, S.S.Tiwary, C.Majumder, A.K.Gupta, A.Kumar, P.Banerjee, S.Ganguly, S.Kumar, A.Kumar, R.P.Singh, S.Muralithar

Octupole correlations in 127I

NUCLEAR REACTIONS 124Sn(7Li, 4n), E=33 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies and intensities, J, π, B(E1)/B(E2), intrinsic electric dipole moment, γ-ray angular distribution asymmetry ratios.

doi: 10.1142/S0218301321500300
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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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2021PA01      Nucl.Instrum.Methods Phys.Res. A985, 164667 (2021)

A.Pandey, R.Bhushan, A.Rohilla, C.Majumder, S.Chakraborty, R.P.Singh, A.Kapil, S.K.Chamoli

Fabrication of thin Nb target for lifetime measurements of short lived excited nuclear states

NUCLEAR REACTIONS 93Nb(28Si, 2np)118Xe, E=115 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies and intensities, J, π. DSAM lifetime measurement experiment.

doi: 10.1016/j.nima.2020.164667
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2021RO24      Phys.Lett. B 823, 136756 (2021)

K.Rojeeta Devi, S.Kumar, N.Kumar, Neelam, F.S.Babra, M.S.R.Laskar, S.Biswas, S.Saha, P.Singh, S.Samanta, S.Das, S.Chakraborty, R.P.Singh, S.Muralithar, A.Kumar

Observation of multiphonon transverse wobbling in 133Ba

NUCLEAR REACTIONS 124Sn(13C, 4n), E=48 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies and intensities, J, π, directional correlation from oriented states ratio and polarization asymmetry parameters, wobbling bands. Total Routhian Surface (TRS) calculations. 14-UD pelletron at Tata Institute of Fundamental Research (TIFR). Indian National Gamma Array (INGA) spectrometer.

doi: 10.1016/j.physletb.2021.136756
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2020AD27      Eur.Phys.J. A 56, 288 (2020)

J.Adolfsson, A.Andronic, C.Bierlich, P.Bozek, S.Chakraborty, P.Christiansen, D.D.Chinellato, R.J.Fries, G.Gustafson, H.van Hees, P.M.Jacobs, D.J.Kim, L.Lonnblad, M.Mace, O.Matonoha, A.Mazeliauskas, A.Morsch, A.Nassirpour, A.Ohlson, A.Ortiz, A.Oskarsson, I.Otterlund, G.Paic, D.V.Perepelitsa, C.Plumberg, R.Preghenella, R.Rapp, C.O.Rasmussen, A.Rossi, O.V.Rueda, A.V.D.Silva, D.Silvermyr, A.Timmins, T.Sjostrand, R.Tornkvist, M.Utheim, V.Vislavicius, U.A.Wiedemann, K.Zapp, W.Zhao

QCD challenges from pp to A-A collisions

doi: 10.1140/epja/s10050-020-00270-1
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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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2020CH36      J.Phys.(London) G47, 095104 (2020)

S.Chakraborty, H.P.Sharma, S.S.Tiwary, C.Majumder, P.Banerjee, S.Ganguly, S.Kumar, A.Kumar, A.Kumar, R.P.Singh, S.Muralithar

Indication of g-vibration in 123, 125, 127I

NUCLEAR REACTIONS 124Sn(7Li, 4n), E=33 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced γ-ray energies, level schemes, bands, high-spin states, possible existence of γ-vibration and chiral rotation. Comparison with systematics.

doi: 10.1088/1361-6471/ab97c8
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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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2020GA04      Acta Phys.Pol. B51, 473 (2020)

S.Ganguly, C.Majumder, S.S.Tiwary, H.P.Sharma, S.Chakraborty

Magnetic Rotation in 60Ni: A Semiclassical Description

NUCLEAR STRUCTURE 60Ni; calculated magnetic dipole bands, B(M1) using semiclassical particle rotor model. Comparison with available data.

doi: 10.5506/aphyspolb.51.473
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2020GA28      Int.J.Mod.Phys. E29, 2050055 (2020)

S.Ganguly, S.Chakraborty, C.Majumder, S.S.Tiwary, H.P.Sharma

Total Routhian surface calculations to study the abrupt band termination phenomenon in 121, 123I

NUCLEAR STRUCTURE 119,121,123I; analyzed available data on J, π, level energies; calculated total Routhian surface (TRS), transition quadrupole moments; deduced noncollective oblate shapes become yrast at higher angular frequency and at lower spin, all of these nuclei exhibit a collective prolate shape, loss of collectivity. Comparison with experimental data.

doi: 10.1142/S021830132050055X
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2020GH08      Phys.Rev. C 102, 024328 (2020)

U.S.Ghosh, S.Rai, B.Mukherjee, A.Biswas, A.K.Mondal, K.Mandal, A.Chakraborty, S.Chakraborty, G.Mukherjee, A.Sharma, I.Bala, S.Muralithar, R.P.Singh

Spectroscopic investigation of complex nuclear excitations in 66Ga

NUCLEAR REACTIONS 52Cr(18O, 3np)66Ga, E=72.5 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linear polarization) using the INGA array of 14 Compton-suppressed HPGe clover detectors at the 15-UD pelletron accelerator of IUAC-New Delhi. 66Ga; deduced high-spin levels, J, π, bands, multipolarities, configurations. Comparison with shell model calculations with jj44bpn and jun45pn interactions using NUSHELLX@MSU code. Comparison with data in the ENSDF database, and with 68Ga structure.

NUCLEAR STRUCTURE 66Ga; calculated levels, J, π, occupation probabilities of the f5/2, p3/2, p1/2, and g9/2 orbitals for protons and neutrons, configurations with the highest probabilities using shell model with jj44bpn and jun45pn interactions and NUSHELLX@MSU code. Comparison with experimental data.

doi: 10.1103/PhysRevC.102.024328
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2020MA55      J.Phys.(London) G46, 125104 (2020)

C.Majumder, H.P.Sharma, S.Chakraborty, S.S.Tiwary, R.P.Singh, S.Muralithar, I.Bala, S.S.Bhattacharjee, R.Garg, Neelam, A.Sharma, P.V.Madhusudhana Rao

Lifetime measurements in 104Pd

NUCLEAR REACTIONS 94Zr(13C, 3n), E=55 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies and intensities, J, π, lifetimes, B(E2), negative parity bands. Comparison with Woods-Saxon total Routhian surface calculations.

doi: 10.1088/1361-6471/abb785
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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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2020RA28      Phys.Rev. C 102, 064313 (2020)

S.Rai, U.S.Ghosh, B.Mukherjee, A.Biswas, A.K.Mondal, K.Mandal, A.Chakraborty, S.Chakraborty, G.Mukherjee, A.Sharma, I.Bala, S.Muralithar, R.P.Singh

Evolution of collectivity and shape transition in 66Zn

NUCLEAR REACTIONS 52Cr(18O, 2n2p)66Zn, E=72.5 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linear polarization) using INGA array of 14 Compton-suppressed HPGe Clover detectors at the tandem accelerator facility of IUAC-New Delhi. 66Zn; deduced levels, J, π, multipolarities, configurations, alignments, terminating states, shape transitions; calculated total Routhian surfaces (TRS) based on Hartree-Fock-Bogoliuobov formalism.

doi: 10.1103/PhysRevC.102.064313
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2020SA09      Phys.Rev. C 101, 025802 (2020)

R.Santra, S.Chakraborty, S.Roy

Asymptotic normalization coefficients from transfer reactions and R-matrix analysis of direct capture in the 22Ne(p, γ)23Na reaction

NUCLEAR REACTIONS 22Ne(3He, d)23Na, E=15, 20 MeV; analyzed experimental σ(θ) data from 1971Po11 and 2002Ha03; deduced levels, J, π, spectroscopic factors, asymptotic normalization coefficients (ANCs), Γp, and resonance strengths for six bound levels and 8664- and 8944-keV resonances using finite-range distorted-wave Born approximation (FRDWBA), and DWBA. 22Ne(p, γ)23Na, E=8664 keV; deduced astrophysical S factor from R-matrix analysis of data from literature for direct capture to six bound states in 23Na, using ANCs from analysis of 22Ne(3He, d) data. 22Ne(p, γ)23Na, T=0.01-1 GK; deduced astrophysical reaction rates for direct and resonant captures, and compared to data in STARLIB database.

doi: 10.1103/PhysRevC.101.025802
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2020SY01      Phys.Lett. B 809, 135748 (2020)

I.Syndikus, M.Petri, A.O.Macchiavelli, S.Paschalis, C.A.Bertulani, T.Aumann, H.Alvarez-Pol, L.Atar, S.Beceiro Novo, J.Benlliure, J.M.Boillos, K.Boretzky, M.J.G.Borge, B.A.Brown, M.Caamano, C.Caesar, E.Casarejos, W.Catford, J.Cederkall, S.Chakraborty, L.V.Chulkov, D.Cortina-Gil, E.Cravo, R.Crespo, U.Datta Pramanik, I.Dillmann, P.Diaz Fernandez, Z.Elekes, J.Enders, F.Farinon, L.M.Fraile, D.Galaviz, H.Geissel, R.Gernhauser, P.Golubev, K.Gobel, M.Heil, M.Heine, A.Heinz, A.Henriques, M.Holl, H.T.Johansson, B.Jonson, N.Kalantar-Nayestanaki, R.Kanungo, A.Kelic-Heil, T.Kroll, N.Kurz, C.Langer, T.Le Bleis, J.Machado, J.Marganiec-Galazka, E.Nacher, T.Nilsson, C.Nociforo, V.Panin, A.Perea, S.B.Pietri, R.Plag, A.Rahaman, R.Reifarth, A.Revel, G.Ribeiro, C.Rigollet, D.M.Rossi, D.Savran, H.Scheit, H.Simon, O.Sorlin, O.Tengblad, Y.Togano, M.Vandebrouck, V.Volkov, F.Wamers, C.Wheldon, G.L.Wilson, J.S.Winfield, H.Weick, P.Woods, D.Yakorev, M.Zhukov, A.Zilges, K.Zuber

Probing the Z=6 spin-orbit shell gap with (p, 2p) quasi-free scattering reactions

NUCLEAR REACTIONS C, H(17N, X)16C, E=438 MeV/nucleon; C, H(19N, X)18C, E=430 MeV/nucleon; C, H(21N, X)20C, E=422 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced σ, spectroscopic factors, proton component of spin-orbit splitting.

doi: 10.1016/j.physletb.2020.135748
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2020TI04      Phys.Scr. 95, 095304 (2020)

S.S.Tiwary, H.P.Sharma, S.Chakraborty, C.Majumder, A.K.Gupta, S.Modi, P.Arumugam, P.Banerjee, S.Ganguly, K.Rojeeta Devi, Neelam, S.Kumar, S.K.Chamoli, A.Sharma, V.V.Jyothi, Mayank, A.Kumar, S.S.Bhattacharjee, I.Bala, S.Muralithar, R.P.Singh

Structure of positive parity states in 139Pm

NUCLEAR REACTIONS 127I(16O, 4n)139Pm, E=84 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies and intensities, J, π, partial level scheme, bands. Comparison with systematics, particle rotor model calculations.

doi: 10.1088/1402-4896/abaea8
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2019CH15      Europhys.Lett. 125, 52001 (2019)

S.Chakraborty, H.P.Sharma, S.S.Tiwary, C.Majumder, P.Banerjee, S.Ganguly, S.Rai, Pragati, Mayank, S.Kumar, A.Kumar, S.S.Bhattacharjee, R.P.Singh, S.Muralithar

Search for the 23/2+ isomeric state in 125 Te

NUCLEAR REACTIONS 122Sn(9Be, X)125Te, E=48 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, high-spin states, isomeric state. Comparison with systematics.

doi: 10.1209/0295-5075/125/52001
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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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2019CH39      Int.J.Mod.Phys. E28, 1950038 (2019)

S.Chakraborty, A.Mukherjee, S.Roy

A hybrid model description of 13C(p, γ)14N capture reaction

NUCLEAR REACTIONS 13C(p, γ), E<2 MeV; analyzed available data; calculated σ of resonant decays, single particle spectroscopic factors, S-factor.

doi: 10.1142/S0218301319500381
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2019CH54      Int.J.Mod.Phys. E28, 1950076 (2019)

S.Chakraborty, A.Mukherjee, S.Roy

R-matrix analyses of 16O(n, n) scattering and 13C(α, n) reaction at astrophysical energies relevant to low-mass AGB stars

NUCLEAR REACTIONS 13C(α, n), E(cm)<3 MeV; analyzed available data; calculated σ, σ(θ), resonance parameters and widths, S-factors using R-matrix fit. Comparison with available data.

doi: 10.1142/S0218301319500769
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2019GH09      Phys.Rev. C 100, 034314 (2019)

U.S.Ghosh, S.Rai, B.Mukherjee, A.Biswas, A.K.Mondal, K.Mandal, A.Chakraborty, S.Chakraborty, G.Mukherjee, A.Sharma, I.Bala, S.Muralithar, R.P.Singh

In-beam spectroscopic study of 63Zn

NUCLEAR REACTIONS 52Cr(18O, 3nα), E=72.5 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), linear polarization asymmetries using the INGA array with 14 Compton-suppressed HPGe clover detectors at the 15-UD pelletron accelerator of IUAC-New Delhi. 63Zn; deduced high-spin levels, J, π; calculated total-Routhian surfaces (TRS) using Hartree-Fock-Bogoliubov approach. Comparison with shell-model calculations.

NUCLEAR STRUCTURE 63Zn; calculated levels, J, π, proton and neutron orbitals occupation probabilities using shell model code NUSHELLX with jj44bpn interaction in the f5/2pg9/2 model space; calculated TRS, and collective excitations with triaxial and prolate shapes using a computer code based on Hartree-Fock-Bogoliubov approach. Comparison with experimental data.

doi: 10.1103/PhysRevC.100.034314
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2019MA91      Braz.J.Phys. 49, 539 (2019)

C.Majumder, H.P.Sharma, S.S.Tiwary, S.Chakraborty

Possible Antimagnetic Rotational Band in 102Ru

NUCLEAR STRUCTURE 102Ru; calculated levels, J, π for the g.s. band, dynamic moment of inertia versus spin; deduced possible anti-magnetic rotational character of states between 14+ and 24+. Semiclassical particle-rotor model calculations. Comparison with g.s. bands in 104Pd and 106Cd.

doi: 10.1007/s13538-019-00667-4
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2019PA37      Int.J.Mod.Phys. E28, 1950022 (2019)

M.Pal, S.Chakraborty, B.Sahoo, S.Sahoo

The fourth-order symmetry energy of nuclear matter and symmetry energy coefficients of finite nuclei using extended semi-empirical mass formula

NUCLEAR STRUCTURE 208Pb; calculated energy density functionals.

doi: 10.1142/S0218301319500228
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2019TI07      Eur.Phys.J. A 55, 163 (2019)

S.S.Tiwary, H.P.Sharma, S.Chakraborty, C.Majumder, G.H.Bhat, J.A.Sheikh, P.Baneerjee, S.Ganguly, S.Rai, Pragati, Mayank, S.Kumar, A.Kumar, S.S.Bhattacharjee, R.P.Singh, S.Muralithar

Observation of quasi-γ bands in Te nuclei

NUCLEAR REACTIONS 122Sn(9Be, 3nα)124Te, E=48 MeV; measured Eγ, Iγ(θ), γγ-coin, γγγ-coin using INGA array (14 Compton suppressed HPGe clover detectors); deduced energy and intensity of coin using symmetric Eγ-Eγ γ-transitions, multiplicity using asymmetric Eγ-Eγ matrices and INGASORT and RADWARE codes, level energies; deduced, verified 124Te yrast band up to 4596 keV, other rotational bands, relative intensity of γ transitions, RDCO, polarization asymmetry.

doi: 10.1140/epja/i2019-12842-y
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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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2018BH04      Eur.Phys.J. A 54, 78 (2018)

P.Bhandari, S.Haldar, S.Chakraborty

Thermodynamics of the dissipative cosmic fluid and stability criteria

doi: 10.1140/epja/i2018-12511-9
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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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2018CH43      Eur.Phys.J. A 54, 112 (2018)

S.Chakraborty, H.P.Sharma, S.S.Tiwary, C.Majumder, P.Banerjee, S.Ganguly, S.Kumar, A.Kumar, A.Kumar, S.Muralithar

Negative parity three-quasiparticle band in 127I

NUCLEAR REACTIONS 124Sn(7Li, 4nγ), E=33 MeV; measured Eγ, Iγ(θ), γγ-coin using 15 clover Compton suppressed detectors of INGA (Indian National Gamma Array); deduced 127I γ-ray transitions, levels, J, π, energy, high-spin states, linear polarization asymmetries, γ-intensity ratio of different negative parity states populated from the 2423 keV state (compared to Weisskopf transition rates) using CANDLE (Collection and Analysis of Nuclear Data using Linux nEtwork) and INGAsort and RadWare codes.

doi: 10.1140/epja/i2018-12540-4
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2018CH50      Phys.Scr. 93, 115302 (2018)

S.Chakraborty, H.P.Sharma, S.S.Tiwary, C.Majumder, P.Banerjee, S.Ganguly, S.R.Abhilash, D.Kabiraj, R.P.Singh, S.Muralithar

Fabrication of 122Sn target and its application in γ-ray spectroscopy

NUCLEAR REACTIONS 122Sn(9Be, 9Be'), E=48 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, σ. Comparison with PACE4 calculations.

doi: 10.1088/1402-4896/aae346
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2018MA28      Int.J.Mod.Phys. E27, 1850034 (2018)

C.Majumder, H.P.Sharma, S.Chakraborty, S.S.Tiwary

Study of antimagnetic rotation in 109, 111Cd

NUCLEAR STRUCTURE 109,111Cd; calculated reduced electric quadrupole transition rates for the states of the negative parity bands using semiclassical model (SCM). Comparison with experimental values.

doi: 10.1142/S0218301318500349
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2018PA29      Int.J.Mod.Phys. E27, 1850049 (2018)

M.Pal, S.Chakraborty, B.Sahoo, S.Sahoo

Neutron skin thickness of finite nuclei with finite range effective interaction in droplet model

NUCLEAR STRUCTURE A=40-238; analyzed available data; deduced two types of neutron skins: the surface and the bulk.

doi: 10.1142/S0218301318500490
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2018PR03      Phys.Rev. C 97, 044309 (2018)

Pragati, A.Y.Deo, S.K.Tandel, S.S.Bhattacharjee, S.Chakraborty, S.Rai, S.G.Wahid, S.Kumar, S.Muralithar, R.P.Singh, I.Bala, R.Garg, A.K.Jain

Parity doublet structures in doubly-odd 216Fr

NUCLEAR REACTIONS 208Pb(11B, 3n), E=54-62 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linear polarization) using the INGA array at the 15-UD pelletron accelerator facility of IUAC, New Delhi. 216Fr; deduced high-spin levels, J, π, parity doublet (simplex-partner) structures, B(E1)/B(E2) ratios, and enhancement of octupole correlations. Systematics of E1 energy splitting, and angular momentum versus rotational frequency plots for 216Fr, 219,223Th, 218,220Ac, and B(E1)/B(E2) ratios for 216Fr and 218Ac.

doi: 10.1103/PhysRevC.97.044309
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2018RA15      Eur.Phys.J. A 54, 84 (2018)

S.Rai, B.Mukherjee, U.S.Ghosh, A.Biswas, A.Chakraborty, A.K.Mondal, S.Chakraborty, G.Mukherjee, I.Bala, R.P.Singh

High spin states in 63Cu

NUCLEAR REACTIONS 52Cr(18O, 2npα), E=72.5 MeV; measured Eγ, Iγ, γγ-coin using 14 Compton suppressed Ge clover detectors os INGA (Indian National Gamma-ray Array). 63Cu; deduced γ-ray transitions, levels, J, π up to spin 25/2 and energy ≈ 8.36 MeV; calculated levels, J, π using shell model with two effective interactions; deduced major contributing configurations, proton and neutron orbitals occupation probabilities.

doi: 10.1140/epja/i2018-12518-2
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Data from this article have been entered in the XUNDL database. For more information, click here.


2017CH15      Acta Phys.Pol. B48, 337 (2017)

S.K.Chamoli, A.Rohilla, C.K.Gupta, R.P.Singh, S.Muralithar, S.Chakraborty, H.P.Sharma, A.Kumar, I.M.Govil, D.C.Biswas

Investigating Prolate-Oblate Shape Inversion in Pt Nuclei Near A - 188

NUCLEAR REACTIONS 174Yb(18O, 2n), E=79 MeV; measured Eγ, Iγ using GDA (Gamma Detector Array) setup; deduced B(E2) vs spin, γ transitions near the yrast band, shifted and unshifted components of γ-ray transitions up to spin 12+, level population using set of Bateman equations, quadrupole moment, changing of nuclear shape of 188Pt at low spins; calculated B(E2) for states up to 45+ state using CHFB and IBM for oblate and prolate shapes; deduced absolute β2 deformation from the fit to measured data.

doi: 10.5506/APhysPolB.48.337
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2017CH36      Phys.Rev. C 96, 034301 (2017)

S.Chakraborty, U.Datta, T.Aumann, S.Beceiro Novo, K.Boretzky, C.Caesar, B.V.Carlson, W.N.Catford, M.Chartier, D.Cortina-Gil, G.De Angelis, P.Diaz Fernandez, H.Emling, O.Ershova, L.M.Fraile, H.Geissel, D.Gonzalez-Diaz, H.Johansson, B.Jonson, N.Kalantar-Nayestanaki, T.Kroll, R.Krucken, C.Langer, T.Le Bleis, Y.Leifels, J.Marganiec, G.Munzenberg, M.A.Najafi, T.Nilsson, C.Nociforo, V.Panin, R.Plag, A.Rahaman, R.Reifarth, M.V.Ricciardi, C.Rigollet, D.Rossi, C.Scheidenberger, H.Scheit, H.Simon, J.T.Taylor, Y.Togano, S.Typel, Y.Utsuno, A.Wagner, F.Wamers, H.Weick, J.S.Winfield

Ground-state configuration of neutron-rich 35Al via Coulomb breakup

NUCLEAR REACTIONS C, Pb(35Al, 34Al), E=403 MeV/nucleon, [secondary 35Al beam from fragmentation of 531 MeV/nucleon 40Ar primary beam followed by separation of reaction products using FRS separator at GSI]; measured four-momenta of the projectile, fragments, and other decay products such as fragments, neutrons, and γ rays after secondary reaction using Large Area Neutron Detector for neutrons and Crystal Ball array of NaI(Tl) detectors for γ detection at GSI; deduced inclusive differential Coulomb dissociation (CD) cross section of 35Al breaking up into a neutron and 34Al fragment in its ground state and isomer. 34Al; deduced levels, Coulomb dissociation σ, spectroscopic factors. 35Al; deduced J, π, configurations, spectroscopic factor for the ground state.

doi: 10.1103/PhysRevC.96.034301
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Data from this article have been entered in the XUNDL database. For more information, click here.


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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Data from this article have been entered in the XUNDL database. For more information, click here.


2017RA03      J.Phys.(London) G44, 045101 (2017)

A.Rahaman, U.Datta, T.Aumann, S.Beceiro Novo, K.Boretzky, C.Caesar, B.V.Carlson, W.N.Catford, S.Chakraborty, M.Chartier, D.Cortina-Gil, G.De Angelis, P.Diaz Fernandez, H.Emling, O.Ershova, L.M.Fraile, H.Geissel, D.Gonzalez-Diaz, H.Johansson, B.Jonson, N.Kalantar-Nayestanaki, T.Kroll, R.Krucken, J.Kurcewicz, C.Langer, T.Le Bleis, Y.Leifels, J.Marganiec, G.Munzenberg, M.A.Najafi, T.Nilsson, C.Nociforo, V.Panin, S.Paschalis, R.Plag, R.Reifarth, M.V.Ricciardi, C.Rigollet, D.Rossi, C.Scheidenberger, H.Scheit, H.Simon, J.T.Taylor, Y.Togano, S.Typel, V.Volkov, A.Wagner, F.Wamers, H.Weick, M.Weigand, J.S.Winfield, D.Yakorev, M.Zoric

Coulomb breakup of neutron-rich 29, 30Na isotopes near the island of inversion

NUCLEAR REACTIONS 208Pb(29Na, n), (30Na, n), E=400-430 MeV/nucleon; measured reaction products, Eγ, Iγ. 28,29Na; deduced σ, J, π, spectroscopic factors. Comparison with available data.

doi: 10.1088/1361-6471/aa594d
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2017RO07      Eur.Phys.J. A 53, 64 (2017)

A.Rohilla, C.K.Gupta, R.P.Singh, S.Muralithar, S.Chakraborty, H.P.Sharma, A.Kumar, I.M.Govil, D.C.Biswas, S.K.Chamoli

Lifetime measurements in shape transition nucleus 188Pt

NUCLEAR REACTIONS 174Yb(18O, 4n), E=79 MeV; measured Eγ, Iγ using Gamma Detector Array of 6 HPGe and BGO multiplicity filter; deduced yrast band γ-ray transitions, yrast band quadrupole moment, B(E2), γ transitions T1/2 using LIFETIME code; calculated equilibrium shape, deformation, quadrupole moment for the yrast band using TRS (Total Routhian Surface), B(E2) using TPSM (Triaxial Projected Shell Model) and TRS (Total Routhian Surface).

doi: 10.1140/epja/i2017-12256-y
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2016DA06      Phys.Rev. C 94, 034304 (2016)

U.Datta, A.Rahaman, T.Aumann, S.Beceiro Novo, K.Boretzky, C.Caesar, B.V.Carlson, W.N.Catford, S.Chakraborty, M.Chartier, D.Cortina-Gil, G.de Angelis, P.Diaz Fernandez, H.Emling, O.Ershova, L.M.Fraile, H.Geissel, D.Gonzalez-Diaz, B.Jonson, H.Johansson, N.Kalantar-Nayestanaki, T.Kroll, R.Krucken, J.Kurcewicz, C.Langer, T.Le Bleis, Y.Leifels, J.Marganiec, G.Munzenberg, M.A.Najafi, T.Nilsson, C.Nociforo, V.Panin, S.Paschalis, R.Plag, R.Reifarth, V.Ricciardi, D.Rossi, H.Scheit, C.Scheidenberger, H.Simon, J.T.Taylor, Y.Togano, S.Typel, V.Volkov, A.Wagner, F.Wamers, H.Weick, M.Weigand, J.S.Winfield, D.Yakorev, M.Zoric

Direct experimental evidence for a multiparticle-hole ground state configuration of deformed 33Mg

NUCLEAR REACTIONS 12C, 208Pb(33Mg, 32Mg), E=400 MeV/nucleon, [33Mg secondary beam produced in fragmentation of 540 MeV/nucleon 40Ar beam]; measured reaction products, Eγ, Iγ, (33Mg)γ-coin, partial and total inclusive Coulomb dissociation (CD) cross sections for breakup of 33Mg into n+32Mg using FRS-ALADIN-LAND arrangement at GSI facility 32Mg; deduced levels, spectroscopic factors. 33Mg; deduced multiparticle-hole ground state configuration, and occupancy by valence neutrons by s and p orbitals.

doi: 10.1103/PhysRevC.94.034304
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2015BA33      Phys.Rev. C 92, 024318 (2015)

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, D.C.Biswas

γ-ray spectroscopy of fission fragments produced in 208Pb(18O, f)

NUCLEAR REACTIONS 208Pb(18O, F), E=90 MeV; measured Eγ, Iγ, γγ-coin, average total neutron multiplicity during fission, relative isotopic yields of fission fragments and fragment mass distribution by detecting prompt γ rays using INGA array at BARC-TIFR Pelletron LINAC facility. 110Pd, 116Cd; deduced high-spin levels, J, π, bands, configuration. 104Mo; observed γ.

doi: 10.1103/PhysRevC.92.024318
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Data from this article have been entered in the XUNDL database. For more information, click here.


2015CH27      Phys.Rev. C 91, 045801 (2015); Pub.Note Phys.Rev. C 91, 049905 (2015)

S.Chakraborty, R.deBoer, A.Mukherjee, S.Roy

Systematic R-matrix analysis of the 13C(p, γ)14N capture reaction

NUCLEAR REACTIONS 13C(p, γ)14N, E<950 keV; analyzed experimental data by R-matrix formalism using AZURE2 code; deduced asymptotic normalization constants (ANCs), astrophysical S(E) factor, resonance parameters, reaction rates for T9=0.001 to 0.05. Comparison with NACRE I and NACRE II compilations.

doi: 10.1103/PhysRevC.91.045801
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2014VI04      Appl.Radiat.Isot. 91, 104 (2014)

K.V.Vimalnath, A.Rajeswari, S.Chakraborty, A.Dash

Large scale production of 51Cr for medical application in a medium flux research reactor: A comparative investigation of Szilard-Chalmers process and direct (n, γ) route

NUCLEAR REACTIONS 50Cr(n, γ), E thermal; measured reaction products, Eγ, Iγ; deduced yields.Comparison with available data.

doi: 10.1016/j.apradiso.2014.05.018
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2014VI08      J.Radioanal.Nucl.Chem. 302, 809 (2014)

K. V. Vimalnath, P.Shetty, S.P. Lohar, V. C. Adya, S. K. Thulasidas, S.Chakraborty, A.Dash

Aspects of yield and specific activity of (n, γ) produced 177Lu used in targeted radionuclide therapy

NUCLEAR REACTIONS 176Lu(n, γ), E thermal; measured reaction products, Eγ, Iγ; deduced yield. Comparison with calculations.

doi: 10.1007/s10967-014-3240-9
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2013CH23      Nucl.Phys. A912, 31 (2013)

S.Chakraborty, B.Sahoo, S.Sahoo

Role of symmetry potential in nuclear symmetry energy and its density slope parameter

doi: 10.1016/j.nuclphysa.2013.05.002
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2012BA04      Radiochim.Acta 100, 115 (2012)

S.Banerjee, T.Das, S.Chakraborty, M.Venkatesh

Emergence and present status of Lu-177 in targeted radiotherapy: the Indian scenario

NUCLEAR REACTIONS 176Lu(n, γ), E not given; calculated yields.

doi: 10.1524/ract.2011.1843
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2012KA06      Phys.Rev. C 85, 034606 (2012)

S.Kalkal, S.Mandal, A.Jhingan, J.Gehlot, P.Sugathan, K.S.Golda, N.Madhavan, R.Garg, S.Goyal, G.Mohanto, R.Sandal, S.Chakraborty, S.Verma, B.Behera, G.Eleonora, H.J.Wollersheim, R.Singh

Measurements and coupled reaction channels analysis of one- and two-proton transfer reactions for the 28Si + 90, 94Zr systems

NUCLEAR REACTIONS 90,94Zr(28Si, X), E=120 MeV; measured E(particle), energy loss, time of flight, σ(θ) for one-proton and two-proton stripping channels. Comparison with the coupled reaction channels (CRC) code FRESCO. DWBA analysis of σ(θ) data. Contribution of indirect multistep and sequential transfer to the two-proton stripping reaction above the Coulomb barrier.

doi: 10.1103/PhysRevC.85.034606
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6195.


2008DA10      Radiochim.Acta 96, 427 (2008)

T.Das, S.Chakraborty, H.D.Sarma, S.Banerjee

A novel [109Pd] palladium labeled prophyrin for possible use in targeted radiotherapy

NUCLEAR REACTIONS 108Pd(n, γ), E=thermal; measured Eγ, Iγ using chemical separation. Studied possible use of 109Pd isotope in radiotherapy.

doi: 10.1524/ract.2008-1505
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2002CH32      Appl.Radiat.Isot. 57, 295 (2002)

S.Chakraborty, P.R.Unni, M.Venkatesh, M.R.A.Pillai

Feasibility Study for Production of 175Yb: A promising therapeutic radionuclide

NUCLEAR REACTIONS Yb(n, X)175Yb/169Yb/177Lu, E=thermal; measured yields. Activation technique.

doi: 10.1016/S0969-8043(02)00100-8
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1985CH36      J.Phys.(London) B18, L787 (1985)

S.Chakraborty

On the K-Shell Ionisation of Atoms by Electrons

NUCLEAR REACTIONS Ag, 197Au(e, X), E=100-1000 keV; calculated K-shell ionization σ(E). Relativistic effects.

doi: 10.1088/0022-3700/18/22/004
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1974CH25      Radiochem.Radioanal.Lett. 17, 61 (1974)

S.Chakraborty

Einfluss der Chemischen Bindung auf die Halbwertszeit von 24Na

RADIOACTIVITY 24Na; measured T1/2.


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