NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = S.Mukhopadhyay Found 149 matches. Showing 1 to 100. [Next]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
2024RO02 Appl.Radiat.Isot. 204, 111140 (2024) A.S.Roy, K.Banerjee, P.Roy, R.Shil, R.Ravishankar, R.Datta, A.Sen, S.Manna, T.K.Ghosh, G.Mukherjee, T.K.Rana, S.Kundu, S.S.Nayak, R.Pandey, D.Paul, K.Atreya, S.Basu, S.Mukhopadhyay, D.Pandit, M.S.Kulkarni, C.Bhattacharya Measurement of energy and directional distribution of neutron ambient dose equivalent for the 7Li(p, n)7Be reaction NUCLEAR REACTIONS 7Li(p, n), E=7.9, 12 MeV; measured reaction products, En, In, TOF; deduced neutron fluence distributions, neutron ambient dose equivalents using the measured fluence distribution using ICRP (International Commission on Radiological Protection) recommended fluence to dose equivalent conversion coefficients.
doi: 10.1016/j.apradiso.2023.111140
2023AT02 Phys.Rev. C 108, 034615 (2023) K.Atreya, A.Sen, T.K.Ghosh, A.K.Nasirov, D.Paul, M.M.Shaikh, K.Banerjee, C.Bhattacharya, S.Kundu, S.Manna, G.Mukherjee, S.Nandi, R.Pandey, T.K.Rana, P.Roy, S.Mukhopadhyay, R.K.Santra Exploring quasifission dynamics in reactions leading to the formation of 225Pa
doi: 10.1103/PhysRevC.108.034615
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
2023GU15 Phys.Lett. B 845, 138120 (2023) Y.K.Gupta, V.B.Katariya, G.K.Prajapati, K.Hagino, D.Patel, V.Ranga, U.Garg, L.S.Danu, A.Pal, B.N.Joshi, S.Dubey, V.V.Desai, S.Panwar, N.Kumar, S.Mukhopadhyay, P.Singh, N.Sirswal, R.Sariyal, I.Mazumdar, B.V.John Precise determination of quadrupole and hexadecapole deformation parameters of the sd-shell nucleus, 28Si NUCLEAR REACTIONS 90Zr(28Si, 28Si), E=70-102 MeV; measured reaction products. 28Si; deduced σ, quadrupole and hexadecapole deformation parameters using a Bayesian analysis within the framework of coupled channels (CC) calculations. BARC-TIFR 14 MV Pelletron accelerator facility.
doi: 10.1016/j.physletb.2023.138120
2023JO08 Phys.Rev. C 108, 024315 (2023) S.R.Johnson, R.V.F.Janssens, U.Friman-Gayer, B.A.Brown, B.P.Crider, S.W.Finch, Krishichayan, D.R.Little, S.Mukhopadhyay, E.E.Peters, A.P.D.Ramirez, J.A.Silano, A.P.Tonchev, W.Tornow, S.W.Yates Testing shell-model interactions at high excitation energy and low spin: Nuclear resonance fluorescence in 74Ge NUCLEAR REACTIONS 74Ge(polarized γ, γ'), E=3.1-5.44 MeV; measured Eγ, Iγ, γ(θ); deduced integrated exclusive scattering σ(E). 74Ge; deduced levels, J, π, branching ratios, transition intensities. Comparison to large-scale shell-model calculations with jj44b and JUN45 effective interactions. γ3-setup consisting of 6 HPGe detectors. Quasi-monoenergetic linearly polarized photon beams produced via Compton backscattering and provided by the High Intensity Gamma-Ray Source at TUNL.
doi: 10.1103/PhysRevC.108.024315
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
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
2022GU19 Phys.Lett. B 834, 137452 (2022) Y.K.Gupta, G.K.Prajapati, B.V.John, B.N.Joshi, L.S.Danu, S.Dubey, S.Mukhopadhyay, N.Kumar, K.Mahata, K.Ramachandran, A.Jhingan, M.Kumar, N.Deshmukh, A.S.Pradeep, B.K.Nayak, D.C.Biswas New signature of non-equilibrium fission from pre-scission α-particle emission NUCLEAR REACTIONS 232Th(16O, F)4H, E=96 MeV; measured reaction products, Eα, Iα, Ep, Ip, Eγ, Iγ; deduced pre-scission α-particle multiplicity spectra, fission time. Comparison with statistical model calculations. BARC-TIFR 14-MV Pelletron accelerator facility at Mumbai.
doi: 10.1016/j.physletb.2022.137452
2022HI01 Phys.Rev. C 105, 024329 (2022) S.F.Hicks, A.E.Stuchbery, T.H.Churchill, D.Bandyopadhyay, B.R.Champine, B.J.Coombes, C.M.Davoren, J.C.Ellis, W.M.Faulkner, S.R.Lesher, J.M.Mueller, S.Mukhopadhyay, J.N.Orce, M.D.Skubis, J.R.Vanhoy, S.W.Yates Nuclear structure of 130Te from inelastic neutron scattering and shell model analysis NUCLEAR REACTIONS 130Te(n, n'), E=1.86-3.34, 3.5 MeV; measured Eγ, Iγ, γ(θ), γγ-coin, excitation functions. 130Te; deduced levels, J, π, δ, γ-ray branching ratios, multipolarities, δ, T1/2 of levels, B(E2), B(M1), B(E1). T1/2 extracted by Doppler shift attenuation method. Analysis of excitation functions by statistical model calculations. Comparison to large-scale shell model calculations using the code NuShellX@MSU with a jj55 model space and the sn100 and GCN50:82 interactions. Kumar-Cline sum rules used to evaluate rotational invariants. Comparison to previous experimental data.
doi: 10.1103/PhysRevC.105.024329
2022LE11 Phys.Rev. C 106, 044302 (2022) S.R.Lesher, A.Aprahamian, K.Lee, B.Alemayehu, L.M.Clark, X.James, J.C.T.Lowrie, M.Meier, L.McEwan, S.Mukhopadhyay, E.E.Peters, A.P.D.Ramirez, M.Ryan, B.G.Rice, A.Stratman, E.Temanson, J.R.Vanhoy, S.W.Yates Lifetime measurements of 0+ states in 168Er with the Doppler-shift attenuation method NUCLEAR REACTIONS 168Er(n, n'γ), E=1.2-3.0 MeV in 0.1 MeV steps; measured Eγ, Iγ, excitation functions, γ(θ), level T1/2 by Doppler-shift attenuation method (DSAM) at the University of Kentucky Accelerator Laboratory. 168Er; deduced levels, J, π, excited 0+ states, bands, multipole mixing ratios, B(E2), B(E1). Comparison with previous experimental results, and with evaluated data in the ENSDF database. Systematics of low-lying levels and B(E2) values in 162,164,166,168,170Er.
doi: 10.1103/PhysRevC.106.044302
2022MA08 Phys.Rev. C 105, L021603 (2022) S.Manna, C.Bhattacharya, T.K.Rana, S.Kundu, R.Pandey, A.Sen, T.K.Ghosh, P.Roy, G.Mukherjee, S.Mukhopadhyay, K.Banerjee, J.K.Meena, P.Karmakar, D.Paul, S.Dalal, J.K.Sahoo, R.M.Saha, A.K.Saha, S.Bhattacharya Signature of fusion suppression in complex fragment emission NUCLEAR REACTIONS 9Be(20Ne, 6Li), (20Ne, 7Li), (20Ne, 7Be), (20Ne, 9Be) E=157.2-193 MeV; 12C(16O, 6Li), (16O, 7Li), (16O, 7Be), (16O, 9Be), E=135.9-161.1 MeV; measured reaction products; deduced σ(θ), σ(E). Comparison to CASCADE calculations. ChAKRA array of DSSD detectors at Variable Energy Cyclotron Centre, Kolkata.
doi: 10.1103/PhysRevC.105.L021603
2022MA17 Phys.Rev. C 105, 034328 (2022) K.Mandal, A.Chakraborty, A.K.Mondal, U.S.Ghosh, A.Dey, S.Biswas, B.Mukherjee, S.Rai, S.Chatterjee, S.K.Das, S.Samanta, R.Raut, S.S.Ghugre, S.Bhattacharyya, S.Nandi, S.Bhattacharya, G.Mukherjee, S.Ali, A.Goswami, S.Mukhopadhyay, Krishichayan, R.Banik, R.Chakrabarti, V.Kumar, A.Kumar Alignment effects in the medium-spin level structure of 78Se NUCLEAR REACTIONS 76Ge(α, 2n), E=30 MeV; measured Eγ, Iγ, γγ(θ), gγ∓coin. 78Se; deduced levels J, π, DCO, polarization asymmetry, multipolarity, rotational band structures, configurations, alignments, high-spin states; calculated total Routhian surface (TRS) contours in (β2, γ) plane. Pointed the evidences of triaxial shapes persistence in the higher spin regime. Systematics of crossing frequencies for Se isotopes. Indian National Gamma Array (INGA) together with one low-energy photon spectrometer (LEPS) at K-130 cyclotron of Variable Energy Cyclotron Centre, Kolkata (VECC).
doi: 10.1103/PhysRevC.105.034328
2022MO21 Phys.Rev. C 105, 054602 (2022) D.Mondal, S.Mukhopadhyay, D.Pandit, S.Pal, P.Roy, B.Dey, S.Bhattacharya, A.De, S.Bhattacharya, K.Banerjee, S.Kundu, S.Manna, T.K.Rana, R.Pandey, S.R.Banerjee, C.Bhattacharya Production of high-energy γ rays in proton- and α-induced reactions NUCLEAR REACTIONS 115In(p, γ), E=12; 112Sn(α, γ), E=28 MEV;;measured Eγ, Iγ; deduced high-energy γ-ray spectrum, giant dipole resonance structure . Comparison to statistical model calculations (TALYS-1.95). Large Area Modular BaF2 Detector Array (LAMBDA) at Variable Energy Cyclotron Centre (VECC), Kolkatta, India
doi: 10.1103/PhysRevC.105.054602
2022RA12 Nucl.Phys. A1023, 122446 (2022) A.P.D.Ramirez, E.E.Peters, J.R.Vanhoy, S.F.Hicks, L.A.Alasagas, D.K.Alcorn-Dominguez, S.T.Block, S.T.Byrd, E.A.Chouinard, B.M.Combs, B.P.Crider, E.C.Derdyn, L.Downes, J.A.Erlanson, S.E.Evans, A.J.French, E.A.Garza, J.Girgis, T.D.Harrison, S.L.Henderson, T.J.Howard, D.T.Jackson, L.J.Kersting, A.Kumar, S.H.Liu, C.J.Lueck, E.M.Lyons, P.J.McDonough, M.T.McEllistrem, T.J.Morin, S.Mukhopadhyay, T.A.Nguyen, M.Nickel, S.Nigam, R.L.Pecha, J.Potter, F.M.Prados-Estevez, B.G.Rice, T.J.Ross, Z.C.Santonil, J.Schneiderjan, L.C.Sidwell, A.J.Sigillito, J.L.Steves, B.K.Thompson, D.W.Watts, Y.Xiao, S.W.Yates Neutron elastic and inelastic scattering differential cross sections on carbon NUCLEAR REACTIONS C(n, n), (n, n'), E=0.5-8 MeV; measured reaction products, En, In, TOF; deduced σ(θ). Comparison with ENDF/B-VIII.0 library. The Univ ersity of Kentucky Accelerator Laboratory (UKAL).
doi: 10.1016/j.nuclphysa.2022.122446
2022RA13 Nucl.Phys. A1024, 122474 (2022) A.P.D.Ramirez, E.E.Peters, S.Mukhopadhyay, M.T.McEllistrem, S.W.Yates, E.C.Derdeyn, S.F.Hicks, E.M.Lyons, T.J.Morin, J.R.Vanhoy Neutron elastic and inelastic cross section measurements on silicon from 0.8-8 MeV NUCLEAR REACTIONS Si(n, n), (n, n'), E=0.8-8 MeV; measured reaction products, En, In; deduced σ(θ), σ. Comparison with ENDF/B-VIII.0, JEFF-3.3, JENDL-4.0 data evaluations, TALYS-1.95 nuclear reaction code calculations. The University of Kentucky Accelerator Laboratory (UKAL).
doi: 10.1016/j.nuclphysa.2022.122474
2022RO13 Phys.Rev. C 106, 034303 (2022) S.K.Roy, C.Sen, S.Mukhopadhyay, J.Sadhukhan Finite-temperature calculation of the isovector giant dipole resonance in 120Sn using self-consistent inputs NUCLEAR STRUCTURE 120Sn; calculated free energy and energy entropy surfaces in (β, γ) planes, isovector giant dipole resonance (IVGDR) strength function, total IVGDR width, and temperature dependence of average pairing gaps using improved version of thermal shape-fluctuation model (TSFM), with driving potential and IVGDR centroid energies obtained from Skyrme nuclear energy density functional parametrization. Comparison with results from phonon damping model (PDM).
doi: 10.1103/PhysRevC.106.034303
2022SH23 Phys.Lett. B 831, 137145 (2022) R.Shil, K.Banerjee, P.Roy, J.Sadhukhan, T.K.Rana, G.Mukherjee, S.Kundu, T.K.Ghosh, S.Manna, A.Sen, R.Pandey, A.Chakraborty, D.Pandit, S.Mukhopadhyay, D.Mondal, D.Paul, C.Bhattacharya, S.Bhattacharya Isospin dependence of nuclear level density at A ≈ 120 mass region NUCLEAR REACTIONS 112,116,124Sn(α, n)115Te/119Te/127Te, E=26-44 MeV; measured reaction products, En, In; deduced neutron σ(θ, E), evaporation channels, σ(θ), nuclear level density. Comparison with the statistical model calculation including the isospin dependent and independent prescriptions of level density parameter.
doi: 10.1016/j.physletb.2022.137145
2021BH01 Phys.Rev. C 103, 014305 (2021) S.Bhattacharya, D.Pandit, B.Dey, D.Mondal, S.Mukhopadhyay, S.Pal, A.De, S.R.Banerjee Effect of high angular momentum on η/s of nuclear matter NUCLEAR STRUCTURE 59Cu, 109,110Sn, 113Sb, 144Sm, 152Gd, 176W, 194Hg; calculated nuclear matter viscosity using experimental data available in literature for widths and temperatures of high angular momenta for giant dipole resonances (GDR) using critical temperature fluctuation model (CTFM), and Fermi liquid drop model (FLDM). Compared results from the two theoretical methods.
doi: 10.1103/PhysRevC.103.014305
2021DE09 Phys.Rev. C 103, 044322 (2021) A.Dey, D.C.Biswas, A.Chakraborty, S.Mukhopadhyay, A.K.Mondal, L.S.Danu, B.Mukherjee, S.Garg, B.Maheshwari, A.K.Jain, A.Blanc, G.de France, M.Jentschel, U.Koster, S.Leoni, P.Mutti, G.Simpson, T.Soldner, C.A.Ur, and W.Urban Measurement of relative isotopic yield distribution of even-even fission fragments from 235U(nth, f) following γ-ray spectroscopy NUCLEAR REACTIONS 235U(n, F)86Se/88Se/88Kr/90Kr/92Kr/92Sr/94Sr/96Sr/96Zr/98Zr/100Zr/102Zr/104Mo/106Mo/130Sn/132Sn/132Te/136Xe/138Xe/140Xe/144Ba/146Ba/144Ce, E=thermal; measured Eγ, Iγ, γγ- and γγγ-coin using the EXILL array of eight EXOGAM Clover detectors, six large coaxial detectors from GASP, and two clovers at ILL-Grenoble for γ detection; deduced relative isotopic yield distributions of the even-even neutron-rich fission fragments. Z=34-54, A=86-142; assigned values of the third component of isospins T3 and total isospins for all the possible even-even fission fragments produced in the 235U(n, F), E=thermal reaction. Comparison with theoretical calculations using the semiempirical GEF model, and isospin conservation (ISCF) approach.
doi: 10.1103/PhysRevC.103.044322
2021JO07 Nucl.Phys. A1016, 122320 (2021) B.N.Joshi, Arun K.Jain, D.C.Biswas, B.V.John, Y.K.Gupta, L.S.Danu, R.P.Vind, G.K.Prajapati, S.Mukhopadhyay, N.Kumar Direct 16O-cluster knockout from 24Mg(g.s.) NUCLEAR REACTIONS 24Mg(16O, 216O)8Be, E=127, 119 MeV; measured reaction products; deduced σ(θ, E). Comparison with FR-DWIA calculations. BARC-TIFR Pelletron LINAC facility.
doi: 10.1016/j.nuclphysa.2021.122320
2021MU08 Phys.Rev. C 104, L031304 (2021) S.Mukhopadhyay, P.Roy, D.Mondal, D.Pandit, S.Pal, B.Dey, S.Bhattacharya, A.De, T.K.Rana, S.Kundu, J.Sadhukhan, C.Bhattacharya, S.R.Banerjee No signature of the saturation of giant dipole resonance width in medium-mass nuclei NUCLEAR REACTIONS 58Ni(16O, X)74Kr*, E=116, 140, 160 MeV; measured high-energy Eγ, Iγ, γγ-coin, E(n), I(n) using LAMBDA photon spectrometer with 49 large BaF2 detectors, a 50-element low energy γ-multiplicity filter array, and two liquid-scintillator-based neutron detectors at the K130 Cyclotron facility of VECC-Kolkata. 74Kr; deduced time-of-flight (TOF) spectra, angular momentum gated neutron spectra, energies and widths of giant-dipole resonances at the three incident energies. Comparison with statistical model CASCADE calculations, and other theoretical models. Systematics of GDR width with temperature for 74Kr, 76Kr, 88Mo, 86Mo, 92Mo and 100Mo.
doi: 10.1103/PhysRevC.104.L031304
2021NA17 Phys.Rev. C 104, 025803 (2021) R.Nandi, S.Mukhopadhyay, S.Banik Effect of the Landau quantization of electrons on the inner crusts of hot neutron stars
doi: 10.1103/PhysRevC.104.025803
2021PA18 Phys.Lett. B 816, 136173 (2021) D.Pandit, B.Dey, S.Bhattacharya, T.K.Rana, D.Mondal, S.Mukhopadhyay, S.Pal, A.De, P.Roy, K.Banerjee, S.Kundu, A.K.Sikdar, C.Bhattacharya, S.R.Banerjee Puzzle of collective enhancement in the nuclear level density NUCLEAR REACTIONS 165Ho, 181Ta, 197Au(α, X), E=28 MeV; measured reaction products, Eγ, Iγ. 169Tm, 185Re, 201Tl; deduced giant dipole resonance, neutron and proton yields, enhancement factors, collective rotational enhancement in the nuclear level densities.
doi: 10.1016/j.physletb.2021.136173
2021PA41 Phys.Lett. B 823, 136760 (2021) D.Pandit, D.Mondal, T.K.Ghosh, S.Mukhopadhyay, S.Pal, A.Sen, A.K.Saha, V.N.Jha, S.Saha, C.Bhattacharya, A.K.Mohanty Search for coherent bremsstrahlung from spontaneous fission at 555 meter deep underground laboratory RADIOACTIVITY 252Cf(SF); measured decay products, Eγ, Iγ, γ-γ-coin.; deduced a new upper limit for γ-ray emission from the nucleus-nucleus coherent bremsstrahlung in 25-180 MeV energy region, which is two orders of magnitude lower than the previous value.
doi: 10.1016/j.physletb.2021.136760
2021RA05 Phys.Rev. C 103, 034614 (2021) T.K.Rana, S.Kundu, C.Bhattacharya, S.Manna, P.Roy, R.Pandey, A.Sen, T.K.Ghosh, G.Mukherjee, K.Banerjee, S.Mukhopadhyaya, D.Paul, M.M.Shaikh, S.Nandi, V.Srivastava, J.K.Sahoo, J.K.Meena, A.K.Saha, R.M.Saha, S.Dalal, S.Bhattacharya Complex fragment emission in dissipative binary decay of 74, 76Kr NUCLEAR REACTIONS 56Fe(20Ne, X)6Li/7Li/7Be/9Be/10B/11B/11C/12C/13C/14C, E=147.5, 166.5 MeV; 58Ni(16O, X)6Li/7Li/7Be/9Be/10B/11B/11C/12C/13C/14C, E=143.8, 161.6 MeV; measured emitted reaction products, two-dimensional particle identification spectra using two silicon strip detector ΔE-E telescopes of the ChAKRA array at the Variable Energy Cyclotron Centre in Kolkata; deduced double-differential σ(E, θ) for fragments, Q-value distributions of different isotopes, total cross sections and ratio of isotopic cross sections, variation of angular-momentum dissipation factor with different isotopes of the fragments, lifetimes of the dinuclear composites compared with compound-nuclear lifetimes; discussed fragment emission mechanism from hot dinuclear composites.
doi: 10.1103/PhysRevC.103.034614
2021RO07 Phys.Rev. C 103, 024602 (2021) P.Roy, S.Mukhopadhyay, M.Aggarwal, D.Pandit, T.K.Rana, S.Kundu, T.K.Ghosh, K.Banerjee, G.Mukherjee, S.Manna, A.Sen, R.Pandey, D.Mondal, S.Pal, D.Paul, K.Atreya, C.Bhattacharya Excitation energy and angular momentum dependence of the nuclear level density parameter around A ≈ 110 NUCLEAR REACTIONS 93Nb(16O, X), E=116, 142, 160 MeV; 93Nb(20Ne, X), E=145, 180 MeV; measured E(n), I(n), Eγ, Iγ, nγ-coin, n(θ), time-of-flight using eight liquid-scintillator-based neutron detectors, and 50-element BaF2 detector array for γ detection at the K130 cyclotron facility of VECC, Kolkata; deduced differential σ(E, θ), multiplicity of low-energy γ rays, excitation energy and temperature dependence of the inverse nuclear level density parameter, average angular momenta in the residual nuclei and inverse nuclear level density parameters. 104Ag, 107,108In, 111,112Sb; deduced nuclear density parameters, and compared with microscopic statistical-model calculations.
doi: 10.1103/PhysRevC.103.024602
2021RO09 Eur.Phys.J. A 57, 48 (2021) P.Roy, K.Banerjee, T.K.Rana, S.Kundu, D.Pandit, N.Quang Hung, T.K.Ghosh, S.Mukhopadhyay, D.Mondal, G.Mukherjee, S.Manna, A.Sen, S.Pal, R.Pandey, D.Paul, K.Atreya, C.Bhattacharya Nuclear level density and thermal properties of 115Sn from neutron evaporation NUCLEAR REACTIONS 115In(p, n), E=9, 12 MeV; measured reaction products, Eγ, Iγ, En, In; deduced σ(θ), neutron energy spectra, nuclear level density. Comparison with with the microscopic Hartree-Fock BCS (HFBCS), Hartree-Fock-Bogoliubov plus combinatorial (HFB+C), TALYS nuclear model code.
doi: 10.1140/epja/s10050-021-00373-3
2020BA20 Phys.Rev. C 101, 044306 (2020) R.Banik, S.Bhattacharyya, S.Biswas, S.Bhattacharya, G.Mukherjee, S.Rajbanshi, S.Dar, S.Nandi, S.Ali, S.Chatterjee, S.Das, S.Das Gupta, S.S.Ghugre, A.Goswami, A.Lemasson, D.Mondal, S.Mukhopadhyay, H.Pai, S.Pal, D.Pandit, R.Raut, P.Ray, M.Rejmund, S.Samanta Revealing multiple band structures in 131Xe from α-induced reactions NUCLEAR REACTIONS 130Te(α, 3n), E=38 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linear polarization) using INGA array of seven Compton suppressed clover HPGe detectors at VECC, Kolkata facility. 131Xe; deduced levels, J, π, multipolarities, band structures, configurations, alignments, staggering parameter, triaxial shape; calculated total Routhian surfaces using Strutinski shell correction method. Systematics of low-lying level energies and staggering parameters in 125,127,129,131,133,135Xe, 133Ba, 135Ce.
doi: 10.1103/PhysRevC.101.044306
2020MO34 Phys.Rev. C 102, 051302(R) (2020) D.Mondal, D.Pandit, S.Mukhopadhyay, S.Pal, P.Roy, V.Suman, B.Dey, S.Bhattacharya, A.De, C.Bhattacharya, S.R.Banerjee Probing the Jacobi shape transition in hot and rotating 43Sc NUCLEAR REACTIONS 27Al(16O, X)43Sc*, E=120, 142 MeV; measured Eγ, Iγ, E(n), I(n) from the decay of the giant dipole resonance (GDR) using LAMBDA array of 49 BaF2 scintillators, and a multiplicity filter of 50 small BaF2 scintillators for γ rays, and a liquid scintillator (BC501A)-based detector and time-of-flight method for neutrons at the K-130 cyclotron of VECC-Kolkata; deduced energy, width and inverse level-density parameters for the GDR, angular momentum for the Jacobi shape transition, deformation parameter. Comparison with theoretical calculations in the frameworks of rotating liquid drop model, and the adiabatic thermal shape fluctuation model.
doi: 10.1103/PhysRevC.102.051302
2020MO41 Phys.Rev. C 102, 064311 (2020) A.K.Mondal, A.Chakraborty, K.Mandal, U.S.Ghosh, An.Dey, S.Biswas, B.Mukherjee, S.Rai, Krishichayan, S.Chatterjee, S.K.Das, S.Samanta, R.Raut, S.S.Ghugre, S.Rajbanshi, R.Banik, S.Bhattacharyya, S.Nandi, S.Bhattacharya, G.Mukherjee, S.Ali, A.Goswami, R.Chakrabarti, S.Mukhopadhyay, A.K.Sinha, V.Kumar, A.Kumar Investigation of different possible excitation modes in neutron-rich 78As NUCLEAR REACTIONS 76Ge(α, np)78As, E=30, 35, 40 MeV; measured Eγ, Iγ, γγ-coin, excitation functions, γγ(θ)(DCO), γγ(linear polarization) using INGA array of six Compton-suppressed HPGe Clover detectors and one LEPS detector at the K-130 cyclotron facility of VECC-Kolkata. 78As; deduced levels, J, π, multipolarities, dipole bands, B(E2), B(M1)/B(E2) ratios, configurations, possible stapler structure of the dipole bands; calculated total Routhian surfaces for the dipole bands. Comparison with large-scale shell-model calculations using JUN45 and jj44b interactions.
doi: 10.1103/PhysRevC.102.064311
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
2020PR13 Phys.Rev. C 102, 054605 (2020) G.K.Prajapati, Y.K.Gupta, B.V.John, B.N.Joshi, H.Kaur, N.Kumar, L.S.Danu, S.Mukhopadhyay, S.Dubey, S.R.Jain, D.C.Biswas, B.K.Nayak Temperature and isospin dependence of the level-density parameter in the A ≈ 110 mass region NUCLEAR REACTIONS 94Mo(16O, X)110Sn*, E=55, 60, 70, 75, 80 MeV; 100Mo(16O, X)116Sn*, E=55, 60, 70, 75, 80, 95.5, 104.9, 114.6, 124.6, 136.6 MeV; measured reaction products, Eα, Iα, angular distributions using CsI(Tl) detectors in a Charge Particle Detector Array at the BARC-TIFR Pelletron Linac Accelerator facility; deduced double-differential σ(Eα), averaged α-particle energy spectra, inverse level-density parameter for Cd nuclei as a function of temperature and isospin. Statistical model analysis of experimental data using PACE2 code.
doi: 10.1103/PhysRevC.102.054605
2020RO22 Phys.Rev. C 102, 061601 (2020) P.Roy, K.Banerjee, T.K.Rana, S.Kundu, S.Manna, A.Sen, D.Mondal, J.Sadhukhan, M.T.Senthil Kannan, T.K.Ghosh, S.Mukhopadhyay, D.Pandit, G.Mukherjee, S.Pal, D.Paul, K.Atreya, C.Bhattacharya Evidence for the reduction of nuclear level density away from the β-stability line NUCLEAR REACTIONS 115In(p, X)116Sn*, E=9, 12 MeV; 112Sn(α, X)116Te*, E=28 MeV; measured En, In, angular distribution of neutrons, prompt γ radiation, Eγ, Iγ, double-differential σ(E) using the time-of-flight (TOF) technique for neutrons, and a 50-element BaF2 detector array for γ rays at the K130 cyclotron facility of VECC-Kolkata; deduced reduction of nuclear level density away from the β-stability line. Comparison with Hauser-Feshbach theoretical predictions using TALYS code with nuclear level density parameters from Gilbert-Cameron (GC), backshifted Fermi gas (BSFG), and generalized superfluid model (GSM). Prediction of level-density parameter compared with microscopic shell-model calculation with Woods-Saxon mean field.
doi: 10.1103/PhysRevC.102.061601
2019DE04 Phys.Lett. B 789, 634 (2019) B.Dey, N.Quang Hung, D.Pandit, S.Bhattacharya, N.Dinh Dang, L.T.Quynh Huong, D.Mondal, S.Mukhopadhyay, S.Pal, A.De, S.R.Banerjee S-shaped heat capacity in an odd-odd deformed nucleus NUCLEAR STRUCTURE 184Re, 200Tl, 211Po, 212At; calculated angular-momentum-gated thermodynamic quantities as functions of temperature gated nuclear level densities.
doi: 10.1016/j.physletb.2018.12.007
2019EV01 Phys.Rev. C 99, 024306 (2019) L.J.Evitts, A.B.Garnsworthy, T.Kibedi, J.Smallcombe, M.W.Reed, A.E.Stuchbery, G.J.Lane, T.K.Eriksen, A.Akber, B.Alshahrani, M.de Vries, M.S.M.Gerathy, J.D.Holt, B.Q.Lee, B.P.McCormick, A.J.Mitchell, M.Moukaddam, S.Mukhopadhyay, N.Palalani, T.Palazzo, E.E.Peters, A.P.D.Ramirez, T.Tornyi, S.W.Yates E0 transition strength in stable Ni isotopes NUCLEAR REACTIONS 58,60,62Ni(p, p'), E=4.7-9.2 MeV; measured Eγ, Iγ, γ(θ), conversion electrons using the CAESAR array for γ detection and Super-e spectrometer for electron detection at ANU-Canberra. 58,60,62Ni(n, n'), E=2.42, 2.90 MeV; measured Eγ, Iγ, level half-lives by DSAM at the University of Kentucky Accelerator Laboratory. 58,60,62Ni; deduced levels, J, π, K-conversion coefficients, E2/M1 multipole mixing ratios and E0 admixtures in 2+ to 2+ transitions, 0+ to 0+ E0 transitions, electric monopole (E0) transition strengths, B(M1), B(E2). Comparison with evaluated data in Nuclear Data Sheets. Systematics of 2+ to 2+ and 0+ to 0+ monopole transition strengths ρ2(E0) in even-even nuclei with A<250.
doi: 10.1103/PhysRevC.99.024306
2019KU10 Phys.Rev. C 99, 041602 (2019) N.Kumar, D.C.Biswas, T.K.Ghosh, J.Sadhukhan, B.N.Joshi, Y.K.Gupta, R.P.Vind, G.K.Prajapati, S.Dubey, L.S.Danu, S.Mukhopadhyay, K.Mahata, B.V.John, S.Sodaye Role of quasifission in fission fragment mass distributions for the 28Si + 197Au reaction NUCLEAR REACTIONS 197Au(28Si, X), E=135.4-180.0 MeV; measured yields mass distribution and time correlation of fission fragments, distribution of ratio of parallel components as a function of mass ratio, variance of fission fragment mass distribution as a function of beam energy using two position-sensitive multiwire proportional counters (MWPCs) at Pelletron-LINAC facility of TIFR, Mumbai. Comparison with dynamical and statistical model calculations. 225Np; calculated potential energy surface (PES). Discussed role of quasifission process in fission fragment mass distribution.
doi: 10.1103/PhysRevC.99.041602
2019MI12 Phys.Rev. C 100, 014302 (2019) S.L.Miller, K.A.Villafana, M.A.Riley, J.Simpson, D.J.Hartley, E.S.Paul, A.D.Ayangeakaa, J.S.Baron, P.F.Bertone, A.J.Boston, M.P.Carpenter, J.J.Carroll, J.Cavey, C.J.Chiara, P.Chowdhury, U.Garg, S.S.Hota, E.G.Jackson, R.V.F.Janssens, F.G.Kondev, T.Lauritsen, M.Litz, W.C.Ma, J.Matta, E.A.McCutchan, S.Mukhopadhyay, P.J.Nolan, E.E.Pedicini, L.L.Riedinger, J.F.Sharpey-Schafer, J.R.Vanhoy, A.Volya, X.Wang, S.Zhu Backbending, seniority, and Pauli blocking of pairing correlations at high rotational frequencies in rapidly rotating nuclei NUCLEAR STRUCTURE 156,157,158,159,160,161,162,163,164,165,166,168,170Er, 158,159,160,161,162,163,164,165,166,167,168,169,170,171,172Yb, 160,161,162,163,164,165,166,167,168,169,170,171,172,173,174Hf, 164,165,166,167,168,169,170,171,172,173,174,175,176,177W; calculated band-crossing frequencies of the first (AB) and the second (BC) i13/2 neutron alignments. 162Er, 164Yb, 166Hf, 168W: calculated AB and BC crossing frequencies as function of quadrupole deformation, and as function of the percentage of the odd-even mass difference for N=94 nuclei. Comparison with experimental data. A=134-200, Z=52-82; systematics of E(first 4+)/E(first 2+) ratios for even-even nuclei.
doi: 10.1103/PhysRevC.100.014302
2019MU04 Phys.Rev. C 99, 014313 (2019) S.Mukhopadhyay, B.P.Crider, B.A.Brown, A.Chakraborty, A.Kumar, M.T.McEllistrem, E.E.Peters, F.M.Prados-Estevez, S.W.Yates Inelastic neutron scattering studies of 76Se NUCLEAR REACTIONS 76Se(n, n'), E=2.0-3.5 MeV; measured Eγ, Iγ, γ(θ), level half-lives by DSAM, cross section for the population of 2604 keV, 0+ state at the University of Kentucky Accelerator Laboratory (UKAL). 76Se; deduced levels, J, π, branching ratios, multipole mixing ratios, B(E2), B(M1), B(E1) and B(E3). Comparison with large-scale shell model, and the interacting boson model calculations, and with previous experimental data. Comparison of σ for 2604-keV state with theoretical cross sections calculated with the code CINDY. Systematics of low-lying positive-parity band structures and E2 transition strengths in 74,76Ge, 76Se, 78Kr.
doi: 10.1103/PhysRevC.99.014313
2019NA08 Phys.Rev. C 99, 054312 (2019) S.Nandi, G.Mukherjee, T.Roy, R.Banik, A.Dhal, S.Bhattacharya, S.Bhattacharyya, C.Bhattacharya, Md.A.Asgar, H.Pai, S.Rajbanshi, P.Roy, T.K.Ghosh, K.Banerjee, T.K.Rana, S.Kundu, S.Manna, R.Pandey, A.Sen, S.Pal, S.Mukhopadhyay, D.Pandit, D.Mandal, S.R.Banerjee Effect of neutron alignments on the structure of 197Tl NUCLEAR REACTIONS 197Au(α, 4n), E=50 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), and γγ(polarization asymmetry) using the VENUS array for γ detection at VECC facility in Kolkata. 197Tl; deduced high-spin levels, J, π, multipolarities, B(M1)/B(E2), magnetic-dipole rotational bands, no evidence of chiral doublet bands, alignments, Routhians, and configurations; calculated total Routhian surfaces. Systematics of aligned angular momenta in 193,195,197,199Tl, 194,196Hg.
doi: 10.1103/PhysRevC.99.054312
2019PA13 Phys.Rev. C 99, 024315 (2019) D.Pandit, S.Bhattacharya, D.Mondal, B.Dey, S.Mukhopadhyay, S.Pal, A.De, S.R.Banerjee Role of fluctuations in a thermal phase transition in a nucleus probed via the giant dipole resonance NUCLEAR REACTIONS 165Ho(α, X), E=32, 37, 42, 50 MeV; measured high-energy Eγ, Iγ, σ(E), angular anisotropy coefficients using the LAMBDA spectrometer at VECC, Kolkata. 169Tm; deduced GDR, linearized GDR strength functions and widths, β deformation parameters and compared with theoretical calculations, thermal phase transition; calculated contours of free energy surfaces. Systematics of β deformation parameters in 160,166Er, 169Tm. Discussed sharp phase transition from prolate to near spherical.
doi: 10.1103/PhysRevC.99.024315
2018BH06 Phys.Rev. C 98, 044311 (2018) S.Bhattacharya, S.Bhattacharyya, R.Banik, S.Das Gupta, G.Mukherjee, A.Dhal, S.S.Alam, Md.A.Asgar, T.Roy, A.Saha, S.Nandi, T.Bhattacharjee, A.Choudhury, D.Mondal, S.Mukhopadhyay, P.Mukhopadhyay, S.Pal, D.Pandit, I.Shaik, S.R.Banerjee Yrast and non-yrast spectroscopy of 199Tl using α-induced reactions NUCLEAR REACTIONS 197Au(α, 2n), E=30 MeV; measured Eγ, Iγ, γγ-coin, and γγ(θ)(DCO), and γγ(lin pol)(IPDCO) using VENUS array of HPGe detectors at VECC-Kolkata cyclotron facility. 199Tl; deduced high-spin levels, J, π, bands, multipolarities, alignment and staggering plots, and configurations; calculated total Routhian surface (TRS) contours in (β2, γ) plane. Systematics of band structures in 193,195,197,199,201Tl.
doi: 10.1103/PhysRevC.98.044311
2018EV01 Phys.Lett. B 779, 396 (2018) L.J.Evitts, A.B.Garnsworthy, T.Kibedi, J.Smallcombe, M.W.Reed, B.A.Brown, A.E.Stuchbery, G.J.Lane, T.K.Eriksen, A.Akber, B.Alshahrani, M.de Vries, M.S.M.Gerathy, J.D.Holt, B.Q.Lee, B.P.McCormick, A.J.Mitchell, M.Moukaddam, S.Mukhopadhyay, N.Palalani, T.Palazzo, E.E.Peters, A.P.D.Ramirez, S.R.Stroberg, T.Tornyi, S.W.Yates Identification of significant E0 strength in the 2+2 → 2+1 transitions of 58, 60, 62Ni NUCLEAR REACTIONS 58,60,62Ni(p, p'), E<9.2 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies and intensities, nuclear and quadrupole moments, B(E2), B(M1). Comparison with theoretical calculations.
doi: 10.1016/j.physletb.2018.01.076
2018GU16 Phys.Rev. C 98, 041601 (2018) Y.K.Gupta, D.C.Biswas, G.K.Prajapati, L.S.Danu, B.N.Joshi, S.Mukhopadhyay, B.V.John, S.Dubey, Si.Chettri, N.Kumar, R.P.Vind, S.Mukherjee Affirmation of transfer-breakup as a source for α particle emission in 12, 13C + 232Th fission reactions NUCLEAR REACTIONS 232Th(12C, F), (13C, F), E=74.5 MeV; measured reaction products and fission fragments, Eα, Iα, α(θ), (fragment)α-coin, α-particle multiplicity spectra by moving source disentangling analysis (MSDA) using position sensitive ionization chambers and hybrid detector telescope for fission fragment and α detection at BARC-TIFR 14-MV Pelletron accelerator facility; deduced compound nucleus excitation energy, Qα and S(n), α-particle multiplicity contributions, complementary fission fragment, near-scission emission, excess α-particle emission from α-transfer induced fission by α-particle transfer following breakup of 8Be into two α particles.
doi: 10.1103/PhysRevC.98.041601
2018KU06 Eur.Phys.J. A 54, 63 (2018) S.Kundu, C.Bhattacharya, T.K.Rana, S.Bhattacharya, R.Pandey, K.Banerjee, P.Roy, J.K.Meena, G.Mukherjee, T.K.Ghosh, S.Mukhopadhyay, A.K.Saha, J.K.Sahoo, R.M.Saha, V.Srivastava, M.Sinha, M.A.Asgar Effect of clustering on the emission of light charged particles NUCLEAR REACTIONS 27Al(p, α), E=18 MeV; measured Eα, Iα(θ); deduced σ(Eα, θ); calculated σ(Eα, θ) using CASCADE code with RLDM values of spin-dependent deformation parameters; deduced critical angular momentum, deformation parameters; compared with published results for 15 heavy-ion reactions.
doi: 10.1140/epja/i2018-12494-5
2018MO22 Phys.Lett. B 784, 423 (2018) D.Mondal, D.Pandit, S.Mukhopadhyay, S.Pal, S.Bhattacharya, A.De, N.Dinh Dang, N.Quang Hung, S.Bhattacharya, S.Bhattacharyya, B.Dey, P.Roy, K.Banerjee, S.R.Banerjee Study of giant dipole resonance in hot rotating light mass nucleus 31P NUCLEAR REACTIONS 27Al(α, X)31P, E=28, 35, 42 MeV; measured reaction products, Eγ, Iγ; deduced yields, σ, giant dipole resonance parameters, widths. Comparison with theoretical calculations.
doi: 10.1016/j.physletb.2018.07.052
2018MU08 Phys.Rev. C 97, 065804 (2018) S.Mukhopadhyay, J.Lahiri, D.Atta, K.Imam, D.N.Basu Gravitational waves from isolated neutron stars: Mass dependence of r-mode instability
doi: 10.1103/PhysRevC.97.065804
2018PA16 Phys.Rev. C 97, 041301 (2018) D.Pandit, S.Bhattacharya, D.Mondal, P.Roy, K.Banerjee, S.Mukhopadhyay, S.Pal, A.De, B.Dey, S.R.Banerjee Experimental signature of collective enhancement in nuclear level density NUCLEAR REACTIONS 165Ho(α, X)169Tm*, E=28 MeV; measured Eγ, Iγ, from GDR, E(n) and I(n) from Tm nuclides, nγ-coin, nγ(θ) of 169Tm compound nucleus n-decay chain using LAMBDA spectrometer at the K-130 cyclotron facility of Variable Energy Cyclotron Centre (VECC), Kolkata. 169,168,167Tm; deduced enhanced nuclear level densities (NLD). Comparison with calculations using CASCADE code.
doi: 10.1103/PhysRevC.97.041301
2017AL45 Nucl.Instrum.Methods Phys.Res. A874, 103 (2017) S.S.Alam, T.Bhattacharjee, D.Banerjee, A.Saha, D.Pandit, D.Mondal, S.Mukhopadhyay, S.Pal, P.Bhaskar, S.K.Das, S.R.Banerjee VECC array for Nuclear fast Timing and angUlar corRElation studies (VENTURE) RADIOACTIVITY 132Te(β-) [ from 238U(α, F), E not given]; measured decay products, Eγ, Iγ; deduced γ-ray energies, angular correlations. RADIOACTIVITY 60Ni, 106Pd, 133Cs(IT); measured decay products, Eγ, Iγ; deduced γ-ray energies, level T1/2. Comparison with a Monte Carlo simulation with GEANT3 package.
doi: 10.1016/j.nima.2017.08.037
2017BA35 Phys.Lett. B 772, 105 (2017) K.Banerjee, P.Roy, D.Pandit, J.Sadhukhan, S.Bhattacharya, C.Bhattacharya, G.Mukherjee, T.K.Ghosh, S.Kundu, A.Sen, T.K.Rana, S.Manna, R.Pandey, T.Roy, A.Dhal, Md.A.Asgar, S.Mukhopadhyay Direct evidence of fadeout of collective enhancement in nuclear level density NUCLEAR REACTIONS 169Tm, 181Ta, 197Au(α, X), E=26, 30, 35, 40 MeV; measured reaction products. 173Lu, 185Re, 201Tl; deduced the phenomenon of collective enhancement in nuclear level density and its fadeout using neutron evaporation study. Comparison with calculations based on finite temperature density functional theory.
doi: 10.1016/j.physletb.2017.06.033
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
2017DE34 Phys.Rev. C 96, 054326 (2017) B.Dey, D.Pandit, S.Bhattacharya, N.Quang Hung, N.Dinh Dang, L.Tan Phuc, D.Mondal, S.Mukhopadhyay, S.Pal, A.De, S.R.Banerjee Level density and thermodynamics in the hot rotating 96Tc nucleus NUCLEAR REACTIONS 93Nb(α, n)96Tc, E=28 MeV; measured E(n), I(n), Eγ, Iγ, nγ-coin at VECC-Kolkata cyclotron facility; deduced fold and angular momentum distributions, neutron and proton pairing gaps as functions of temperature, angular momentum gated nuclear level density (NLD), excitation energy-dependent spin cutoff factor. Comparison with statistical model calculations, and different microscopic calculations such as exact pairing plus independent particle model at finite temperature (EP+IPM), Hartree-Fock plus BCS (HF+BCS), and Hartree-Fock-Bogoliubov plus combinatorial method (HFBC).
doi: 10.1103/PhysRevC.96.054326
2017JO03 Pramana 88, 29 (2017) B.N.Joshi, A.K.Jain, D.C.Biswas, B.V.John, Y.K.Gupta, L.S.Danu, R.P.Vind, R.P.Vind, G.K.Prajapati, S.Mukhopadhyay, A.Saxena Search for 12C+12C clustering in 24Mg ground state NUCLEAR REACTIONS 24Mg(12C, 212C)12C, E=104 MeV; measured reaction products; deduced σ(θ, E). Comparison with theoretical calculations.
doi: 10.1007/s12043-016-1331-6
2017MO15 Phys.Rev.Lett. 118, 192501 (2017) D.Mondal, D.Pandit, S.Mukhopadhyay, S.Pal, B.Dey, S.Bhattacharya, A.De, S.Bhattacharya, S.Bhattacharyya, P.Roy, K.Banerjee, S.R.Banerjee Experimental Determination of η/s for Finite Nuclear Matter NUCLEAR REACTIONS 27Al(α, X)31P, E=28, 35, 42 MeV; 93Nb(α, X)97Tc, E=28, 35, 42 MeV; 115In(α, X)119Sb, E=28, 35, 42, 50 MeV; 197Au(α, X)201Tl, E=35, 42, 50 MeV; measured reaction products, Eγ, Iγ; deduced yields, giant dipole resonance (GDR) energies and widths, the ratio of shear viscosity to entropy density for the finite nuclear matter at different temperatures. Comparison with available data.
doi: 10.1103/PhysRevLett.118.192501
2017MU03 Phys.Rev. C 95, 014327 (2017) S.Mukhopadhyay, B.P.Crider, B.A.Brown, S.F.Ashley, A.Chakraborty, A.Kumar, M.T.McEllistrem, E.E.Peters, F.M.Prados-Estevez, S.W.Yates Nuclear structure of 76Ge from inelastic neutron scattering measurements and shell model calculations NUCLEAR REACTIONS 76Ge(n, n'γ), E=1.6-3.7 MeV; measured Eγ, Iγ, γ(θ) for E(n)=3.0-3.5 MeV, excitation functions, σ(E), level half-lives by DSAM at the University of Kentucky Accelerator Laboratory (UKAL). 76Ge; deduced levels, J, π, multipolarities, mixing ratios, B(E2), B(M1), 2+ mixed-symmetry state. Comparison with large-scale shell-model calculations using NuShellX computer code, and with previous experimental results.
doi: 10.1103/PhysRevC.95.014327
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
2017PA03 Phys.Rev. C 95, 034301 (2017) D.Pandit, D.Mondal, B.Dey, S.Bhattacharya, S.Mukhopadhyay, S.Pal, A.De, S.R.Banerjee Signature of clustering in quantum many-body systems probed by the giant dipole resonance NUCLEAR REACTIONS 28Si(α, γ), E=45 MeV; 12C(20Ne, γ), E=145 MeV; measured high-energy GDR Eγ, Iγ, γ(θ), yields using a part of LAMBDA spectrometer at VECC-Kolkata cyclotron facility. 32S; deduced GDR parameters, GDR strength functions, and compared with thermal shape fluctuation model (TSFM) calculations, cluster formation in superdeformed states of 32S. 31P; deduced Coulomb spreading width to estimate isospin mixing.
doi: 10.1103/PhysRevC.95.034301
2017PE10 Phys.Rev. C 96, 014313 (2017) E.E.Peters, A.Chakraborty, B.P.Crider, S.F.Ashley, E.Elhami, S.F.Hicks, A.Kumar, M.T.McEllistrem, S.Mukhopadhyay, J.N.Orce, F.M.Prados-Estevez, S.W.Yates Level lifetimes and the structure of 134Xe from inelastic neutron scattering NUCLEAR REACTIONS 134Xe(n, n'γ), E=1.5-3.5 MeV; measured Eγ, Iγ, γ(θ), excitation functions, half-lives of levels by DSAM using a Compton-suppressed HPGe detector at the 7-MV Van de Graaff accelerator of the University of Kentucky (UKAL). 134Xe; deduced levels, J, π, 3- octupole state, multipolarities, mixing ratios, B(E2), B(E1), B(M1), and candidates for a complete negative-parity multiplet based on ν(1h11/2, 2d3/2) configuration. Comparisons with a vibrational description of the nucleus. Systematics of energy levels in N=80 isotones of 132Te, 134Xe, 136Ba and 138Ce.
doi: 10.1103/PhysRevC.96.014313
2017PR03 Phys.Rev. C 95, 034328 (2017) F.M.Prados-Estevez, E.E.Peters, A.Chakraborty, M.G.Mynk, D.Bandyopadhyay, N.Boukharouba, S.N.Choudry, B.P.Crider, P.E.Garrett, S.F.Hicks, A.Kumar, S.R.Lesher, C.J.McKay, M.T.McEllistrem, S.Mukhopadhyay, J.N.Orce, M.Scheck, J.R.Vanhoy, J.L.Wood, S.W.Yates Collective quadrupole behavior in 106Pd NUCLEAR REACTIONS 106Pd(n, n'γ), E=2.0-3.8 MeV; measured Eγ, Iγ, γγ-coin, γ(θ), level half-lives by DSAM at University of Kentucky Accelerator Laboratory. 106Pd; deduced levels, J, π, γ-ray branching ratios, multipolarities, mixing ratios, B(M1), B(E1), B(E2). Comparison of level half-lives with previous experimental results. Comparison of experimental B(E2) values with predictions of various model calculations.
doi: 10.1103/PhysRevC.95.034328
2017RA12 Phys.Rev. C 95, 064605 (2017) A.P.D.Ramirez, J.R.Vanhoy, S.F.Hicks, M.T.McEllistrem, E.E.Peters, S.Mukhopadhyay, T.D.Harrison, T.J.Howard, D.T.Jackson, P.D.Lenzen, T.D.Nguyen, R.L.Pecha, B.G.Rice, B.K.Thompson, S.W.Yates Neutron scattering cross section measurements for 56Fe NUCLEAR REACTIONS 56Fe(n, n), (n, n'), E=1.30-7.96 MeV; measured E(n), I(n), σ(E, θ) using a C6D6 liquid scintillation detector and time-of-flight techniques at the University of Kentucky Accelerator Laboratory. Comparison with previous experimental data, evaluations in ENDF, JENDL, and JEFF databases, and with theoretical calculations using different optical model potentials in TALYS and EMPIRE codes.
doi: 10.1103/PhysRevC.95.064605
2016BH07 Phys.Rev. C 94, 054312 (2016) R.Bhattacharjee, S.Samanta, S.Das, S.S.Bhattacharjee, R.Raut, S.S.Ghugre, A.K.Sinha, U.Garg, R.Chakrabarti, S.Mukhopadhyay, A.Dhal, R.P.Singh, N.Madhavan, S.Muralithar High spin γ-ray spectroscopy in 41Ca NUCLEAR REACTIONS 27Al(16O, np), E=34 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linear polarization), level half-lives by DSAM using the INGA array at the IUAC-New Delhi 15 UD Pelletron Accelerator facility. 41Ca, deduced high-spin levels, J, π, γ-branching ratios, multipolarities, B(M1), B(E2). Comparison with shell-model calculations.
doi: 10.1103/PhysRevC.94.054312
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
2016DU25 Phys.Rev. C 94, 064610 (2016) S.Dubey, D.C.Biswas, S.Mukherjee, D.Patel, Y.K.Gupta, G.K.Prajapati, B.N.Joshi, L.S.Danu, S.Mukhopadhyay, B.V.John, S.V.Suryanarayana, R.P.Vind Quasi-elastic scattering and transfer angular distribution for 10, 11B + 232Th systems at near-barrier energies NUCLEAR REACTIONS 232Th(11B, 11B'), (11B, X), E=52, 53, 54, 55, 56, 57, 59, 61, 65 MeV; 232Th(10B, 10B'), (10B, X), E=49, 51, 52, 53, 54, 55, 56, 57, 59, 61, 65 MeV; measured outgoing particles, quasielastic σ(θ, E), transfer σ(E) for 12,13C, 9,10Be, 6,7Li, and reaction σ(E) at 14UD BARC-TIFR Pelletron facility; deduced optical model parameters, energy dependence of the real and imaginary potentials, reduced reaction cross sections. Optical model analysis using code ECIS with phenomenological Woods-Saxon potentials.
doi: 10.1103/PhysRevC.94.064610
2016HA36 Phys.Rev. C 94, 054329 (2016) D.J.Hartley, R.V.F.Janssens, L.L.Riedinger, M.A.Riley, X.Wang, S.L.Miller, A.D.Ayangeakaa, P.F.Bertone, M.P.Carpenter, C.J.Chiara, P.Chowdhury, U.Garg, G.Gurdal, S.S.Hota, F.G.Kondev, T.Lauritsen, W.C.Ma, J.Matta, E.A.McCutchan, S.Mukhopadhyay, E.E.Pedicini, J.R.Vanhoy, S.Zhu First observation of rotational structures in 168Re NUCLEAR REACTIONS 118Sn(55Mn, 5n), E=260 MeV; measured Eγ, Iγ, γγ-coin using Gammasphere array at ATLAS-ANL facility. 168Re; deduced high-spin levels, J, π, γ-branching ratios, bands, alignments, band crossings, B(M1)/B(E2) ratios, configuration. Comparison of B(M1)/B(E2) ratios with theoretical calculations. Systematics of level energies for πh11/2νi13/2 bands in 166,168,170,172,174Re. Systematics of signature splitting for πh11/2νi13/2 bands in 166,168,170,172,174Re, 164,166,168,170,172Ta, 162,164,166,168,170Lu.
doi: 10.1103/PhysRevC.94.054329
2016MO35 Phys.Lett. B 763, 422 (2016) D.Mondal, D.Pandit, S.Mukhopadhyay, S.Pal, S.Bhattacharya, A.De, So.Bhattacharya, S.Bhattacharyya, B.Dey, P.Roy, K.Banerjee, S.R.Banerjee Exclusive measurement of isospin mixing at high temperature in 32S NUCLEAR REACTIONS 27Al(α, X)31P, E=35 MeV;28Si(α, X)32S, E=38 MeV; measured reaction products, Eγ, Iγ; deduced yields, σ, isospin mixing, Coulomb spreading width, nuclear level density parameter and angular momentum.
doi: 10.1016/j.physletb.2016.10.065
2016PE13 Phys.Rev. C 94, 024313 (2016) E.E.Peters, T.J.Ross, S.F.Ashley, A.Chakraborty, B.P.Crider, M.D.Hennek, S.H.Liu, M.T.McEllistrem, S.Mukhopadhyay, F.M.Prados-Estevez, A.P.D.Ramirez, J.S.Thrasher, S.W.Yates 0+states in 130, 132Xe: A search for E(5) behavior NUCLEAR REACTIONS 130Xe(n, n'), E=2.0, 2.5 MeV; 132Xe(n, n'), E=2.2, 2.7 MeV; measured Eγ, Iγ, γ(θ), cross sections for level population, level half-lives by DSAM at the University of Kentucky Van de Graaff accelerator facility. 130,132Xe; deduced levels, J, π, γ-branching ratios, multipolarity, mixing ratio, B(E2). Discussed E(5) critical-point symmetry. Comparison of experimental cross sections with statistical model calculations. Systematics of energies and B(E2) of first 2+ states and E(first 4+)/E(first 2+) ratios in N=56-90 even-A Xe isotopes taken from the ENSDF database.
doi: 10.1103/PhysRevC.94.024313
2016RO31 Phys.Rev. C 94, 064607 (2016) P.Roy, K.Banerjee, C.Bhattacharya, R.Pandey, A.Sen, S.Manna, S.Kundu, T.K.Rana, T.K.Ghosh, G.Mukherjee, T.Roy, A.Dhal, A.Dey, J.K.Meena, A.K.Saha, D.Pandit, S.Mukhopadhyay, S.Bhattacharya Excitation energy dependence of the level density parameter close to the doubly magic 208Pb NUCLEAR REACTIONS 208Pb, 209Bi(α, n), E=28, 31, 35, 40, 60 MeV; measured E(n), I(n), σ(θ, E), time-of-flight at Variable Energy Cyclotron Centre (VECC); deduced shell-damping parameter, inverse level density parameters and temperatures. Comparison with the Thomas-Fermi model predictions.
doi: 10.1103/PhysRevC.94.064607
2015BH06 Phys.Rev. C 91, 044306 (2015) S.S.Bhattacharjee, R.Bhattacharjee, R.Raut, S.S.Ghugre, A.K.Sinha, L.Chaturvedi, T.Trivedi, U.Garg, S.Ray, B.K.Yogi, M.K.Raju, R.Chakrabarti, S.Mukhopadhyay, A.Dhal, R.P.Singh, N.Madhavan, S.Muralithar, S.Saha, J.Sethi, R.Palit Spectroscopy and shell model calculations in Si isotopes NUCLEAR REACTIONS 18O(16O, nα), E=34 MeV; 18O(13C, 2n), E=30 MeV; measured Eγ, Iγ, γγ-coin, γ(θ), angular asymmetry ratios of γ rays, γγ(linear pol), level half-lives by DSAM and line-shape methods using INGA array at IUAC-Delhi and TIFR-Mumbai accelerator facilities. 29Si; deduced levels, J, π, multipolarity, mixing ratio, branching ratios, B(M1), B(E2). Comparison with large-basis shell model calculations with USDA and SDPFMW interactions using NUSHELLX code. NUCLEAR STRUCTURE 28,30Si; calculated levels, J, π, B(E2), Q0, level half-lives for prolate, oblate, superdeformed and γ-vibrational structures. large-basis shell model calculations with USDA and SDPFMW interactions using NUSHELLX code. Comparison with experimental data.
doi: 10.1103/PhysRevC.91.044306
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
2015DE10 Phys.Rev. C 91, 044326 (2015) B.Dey, D.Pandit, S.Bhattacharya, K.Banerjee, N.Quang Hung, N.Dinh Dang, D.Mondal, S.Mukhopadhyay, S.Pal, A.De, S.R.Banerjee Experimental investigation on the temperature dependence of the nuclear level density parameter NUCLEAR REACTIONS 93Nb(α, X)97Tc*, E=28, 35, 42, 50 MeV; measured E(n), I(n), Eγ, Iγ, TOF at VECC, Kolkata facility; deduced angular momentum distributions, average temperature, average angular momentum, density parameter, temperature and angular momentum dependence of the inverse level density parameter. Comparison with theoretical calculations using CASCADE, FTBCS and FTBCS1 codes.
doi: 10.1103/PhysRevC.91.044326
2015GO03 Phys.Rev. C 91, 014609 (2015) M.Gohil, P.Roy, K.Banerjee, C.Bhattacharya, S.Kundu, T.K.Rana, T.K.Ghosh, G.Mukherjee, R.Pandey, H.Pai, V.Srivastava, J.K.Meena, S.R.Banerjee, S.Mukhopadhyay, D.Pandit, S.Pal, S.Bhattacharya Angular momentum dependence of the nuclear level density in the A ≈ 170 - 200 region NUCLEAR REACTIONS 165Ho(α, X)169Tm*, 181Ta(α, X)185Re*, 197Au(α, X)201Tl*, E=28, 40 MeV; measured E(n), I(n), nγ-coin, n(θ), double differential σ(E) using TOF technique at VECC-Kolkata facility; analyzed γ-ray-fold-gated neutron using the statistical model code CASCADE; deduced variation of the inverse level density parameter with average angular momentum. 58Ni, 93Nb, 115In(α, X), E=30, 40 MeV; analyzed variation of the inverse level density parameter with average angular momentum using previous experimental data.
doi: 10.1103/PhysRevC.91.014609
2015MA13 Phys.Rev.Lett. 114, 082501 (2015) J.T.Matta, U.Garg, W.Li, S.Frauendorf, A.D.Ayangeakaa, D.Patel, K.W.Schlax, R.Palit, S.Saha, J.Sethi, T.Trivedi, S.S.Ghugre, R.Raut, A.K.Sinha, R.V.F.Janssens, S.Zhu, M.P.Carpenter, T.Lauritsen, D.Seweryniak, C.J.Chiara, F.G.Kondev, D.J.Hartley, C.M.Petrache, S.Mukhopadhyay, D.Vijaya Lakshmi, M.K.Raju, P.V.Madhusudhana Rao, S.K.Tandel, S.Ray, F.Donau Transverse Wobbling in 135Pr NUCLEAR REACTIONS 123Sb(16O, 4n), E=80 MeV; measured reaction products, Eγ, Iγ, γ-γ-γ-coin.; deduced energy levels, J, π, wobbling bands, B(M1)/B(E2), deviation from axiality. Comparison with available data and theoretical calculations.
doi: 10.1103/PhysRevLett.114.082501
2014BH14 Phys.Rev. C 90, 044319 (2014) R.Bhattacharjee, S.S.Bhattacharjee, K.Basu, P.V.Rajesh, R.Raut, S.S.Ghugre, D.Das, A.K.Sinha, L.Chaturvedi, U.Garg, S.Ray, B.K.Yogi, M.K.Raju, R.Chakrabarti, S.Mukhopadhyay, A.Dhal, R.P.Singh, N.Madhavan, S.Muralithar Level lifetimes in 32P obtained using the Doppler-shift attenuation method with thick molecular targets NUCLEAR REACTIONS 18O(16O, np), E=34 MeV; measured Eγ, γγ-coin, level half-lives by Doppler-shift attenuation method (DSAM), dependence of molecular structural composition of the target on level half-life using INGA array at IUAC 15-UD Pelletron facility. 32P; deduced levels, J, π, B(E1), B(E2). Comparison with large-basis shell model calculations, and with previous experimental results.
doi: 10.1103/PhysRevC.90.044319
2014BH15 Phys.Rev. C 90, 054319 (2014) S.Bhattacharya, D.Pandit, B.Dey, D.Mondal, S.Mukhopadhyay, S.Pal, A.De, S.R.Banerjee Examination of level density prescriptions for the interpretation of high-energy γ-ray spectra NUCLEAR REACTIONS 93Nb(α, X)97Tc*, E=28, 35, 42, 50 MeV; measured Eγ, Iγ using LAMBDA array at VECC K-130 cyclotron facility; 59Co(α, X)63Cu*, E=35 MeV; 93Nb(20Ne, X)113Sb*, E=145, 160 MeV; 197Au(α, X)201Tl*, E=42, 50 MeV; analyzed high-energy γ-ray yield data with CASCADE predictions using three different density models. 63Cu, 97Tc, 113Sb, 201Tl; deduced GDR strengths, widths, and centroid energies; tested correct statistical model description for high-energy γ-ray spectra.
doi: 10.1103/PhysRevC.90.054319
2014BH17 Nucl.Instrum.Methods Phys.Res. A767, 19 (2014) T.Bhattacharjee, D.Pandit, S.K.Das, A.Chowdhury, P.Das, D.Banerjee, A.Saha, S.Mukhopadhyay, S.Pal, S.R.Banerjee Measurement of β-decay end point energy with planar HPGe detector RADIOACTIVITY 106Rh(β-); measured Eβ, Iβ, βγ-coin; deduced β end-point energies using planar HPGe detectors.
doi: 10.1016/j.nima.2014.08.008
2014DE07 Phys.Lett. B 731, 92 (2014) B.Dey, D.Mondal, D.Pandit, S.Mukhopadhyay, S. Pal, S.Bhattacharya, A.De, K.Banerjee, N.Dinh Dang, N.Quang Hung, S.R.Banerjee Probing the critical behavior in the evolution of GDR width at very low temperatures in A ∼ 100 mass region NUCLEAR REACTIONS 93Nb(α, X)97Tc, E=28, 35, 42, 50 MeV; measured reaction products, Eγ, Iγ, En, In; deduced yields, giant dipole resonance (GDR) width as a function of temperature. Comparison with microscopic and phenomenological models.
doi: 10.1016/j.physletb.2014.02.007
2014DU02 Phys.Rev. C 89, 014610 (2014) S.Dubey, S.Mukherjee, D.C.Biswas, B.K.Nayak, D.Patel, G.K.Prajapati, Y.K.Gupta, B.N.Joshi, L.S.Danu, S.Mukhopadhyay, B.V.John, V.V.Desai, S.V.Suryanarayana, R.P.Vind, N.N.Deshmukh, S.Appnnababu, P.M.Prajapati Effect of breakup processes on the near-barrier elastic scattering of the 6, 7Li + 232Th systems NUCLEAR REACTIONS 232Th(6Li, 6Li), (7Li, 7Li), E=24, 26, 30, 32, 35, 40, 44 MeV; measured scattered 6,7Li particle spectra, σ(E, θ), total fusion and reaction σ(E) using ΔE-E telescopes at BARC-TIFR pelletron accelerator facility; analyzed data by optical potential model ECIS code with Woods-Saxon and Sao Paulo potentials. Indication of breakup threshold anomaly for 6Li scattering. Discussed role of projectile breakup on reaction mechanism.
doi: 10.1103/PhysRevC.89.014610
2014MU12 Phys.Lett. B 739, 462 (2014) S.Mukhopadhyay, D.C.Biswas, S.K.Tandel, L.S.Danu, B.N.Joshi, G.K.Prajapati, S.Nag, T.Trivedi, S.Saha, J.Sethi, R.Palit, P.K.Joshi Coexisting shape- and high-K isomers in the shape transitional nucleus188Pt NUCLEAR REACTIONS 174Yb(18O, 4n)188Pt, E=85 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced energy levels, J, π, B(E2), K-isomeric states, shape evolution, yrast positive parity structure. Comparison with available data, Ultimate Cranker calculations.
doi: 10.1016/j.physletb.2014.10.069
2014MU13 Pramana 83, 729 (2014), Erratum Pramana 83, 1035 (2014) Nuclear triaxiality in the A ∼ 160-170 mass region the story so far NUCLEAR STRUCTURE A=160-170; analyzed available data; deduced triaxiality.
doi: 10.1007/s12043-014-0864-9
2014SO17 J.Phys.(London) G41, 125103 (2014) S.Sodaye, R.Tripathi, K.Sudarshan, S.K.Sharma, P.K.Pujari, R.Palit, S.Mukhopadhyay EC decay of 244Bk RADIOACTIVITY 244Bk(EC) [from 238U(11B, X), E=63.6 MeV]; measured decay products, Eγ, Iγ; deduced energy levels, relative intensities, decay level scheme, T1/2. Comparison with theoretical calculations.
doi: 10.1088/0954-3899/41/12/125103
2014YA30 Phys.Rev. C 90, 054325 (2014) R.B.Yadav, W.C.Ma, J.C.Marsh, Q.A.Ijaz, R.V.F.Janssens, M.P.Carpenter, C.R.Hoffman, T.Lauritsen, S.Zhu, F.G.Kondev, G.Gurdal, G.B.Hagemann, D.J.Hartley, L.L.Riedinger, S.Mukhopadhyay Multiple excitation modes in 163Hf NUCLEAR REACTIONS 94Zr(74Ge, 5n), E=330 MeV; measured Eγ, Iγ, multi-fold γγ-coin, γγ(θ)(DCO) using Gammasphere array at ATLAS-ANL facility. 163Hf; deduced high-spin levels, J, π, multipolarity, bands, configurations, alignments, no evidence for triaxial strongly-deformed bands. Comparison with cranking model calculations using ULTIMATE CRANKER code. Systematics of proton crossing frequencies and aligned angular momenta in A=162-172 Hf isotopes, bandhead energies of 3/2[521] and 5/2[523] configurations in 155Gd, 157Dy, 159Er, 161Yb, 163Hf, and alignments in 159Er and 163Hf.
doi: 10.1103/PhysRevC.90.054325
2013AY03 Phys.Rev.Lett. 110, 102501 (2013) A.D.Ayangeakaa, U.Garg, M.A.Caprio, M.P.Carpenter, S.S.Ghugre, R.V.F.Janssens, F.G.Kondev, J.T.Matta, S.Mukhopadhyay, D.Patel, D.Seweryniak, J.Sun, S.Zhu, S.Frauendorf Tidal Waves in 102Pd: A Rotating Condensate of Multiple d Bosons NUCLEAR REACTIONS 76Ge(30Si, 4n)102Pd, E=90 MeV; measured reaction products, Eγ, Iγ; deduced high-spin yrast states, J, π, T1/2, B(E2), transition quadrupole moments. Doppler shift attenuation, comparison with calculations.
doi: 10.1103/PhysRevLett.110.102501
2013DE09 Phys.Rev. C 87, 034604 (2013) V.V.Desai, B.K.Nayak, A.Saxena, D.C.Biswas, E.T.Mirgule, B.John, S.Santra, Y.K.Gupta, L.S.Danu, G.K.Prajapati, B.N.Joshi, S.Mukhopadhyay, S.Kailas, P.K.Pujari, A.Kumar, D.Patel, S.Mukherjee, P.M.Prajapati Determination of 241Pu(n, f) cross sections by the surrogate-ratio method NUCLEAR REACTIONS 238U(6Li, d), E=39.6 MeV; 232Th(6Li, d), E=39.0 MeV; measured proton, deuteron, triton, α, projectile-like fragment (PLF), and fission fragment spectra, energy loss at BARC-TIFR facility; deduced σ. 241Pu(n, F), E=16-20 MeV; deduced σ(E) using surrogate ratio method (SRM). Comparison with previous studies, and calculations using EMPIRE 3.1 code for fission barrier libraries RIPL-1 and RIPL-3, and the barrier formula (BF). Best-fit σ(E) deduced for E(n)=2-20 MeV.
doi: 10.1103/PhysRevC.87.034604
2013HA02 Phys.Rev. C 87, 024315 (2013) D.J.Hartley, R.V.F.Janssens, L.L.Riedinger, M.A.Riley, X.Wang, S.Miller, A.D.Ayangeakaa, P.F.Bertone, M.P.Carpenter, C.J.Chiara, P.Chowdhury, U.Garg, G.Gurdal, S.S.Hota, F.G.Kondev, T.Lauritsen, W.C.Ma, J.Matta, E.A.McCutchan, S.Mukhopadhyay, E.E.Pedicini, J.R.Vanhoy, S.Zhu Multiple band structures in 169, 170Re: Search for the wobbling mode in 169Re, and residual-interaction analysis of structures in 170Re NUCLEAR REACTIONS 118Sn(55Mn, X), E=260 MeV; measured Eγ, Iγ, γγ-coin, using the Gammasphere. 169,170Re; deduced levels, J, π, B(M1)/B(E2), bands, configurations; calculated B(M1)/B(E2). NUCLEAR STRUCTURE 164,166,168Lu, 166,168,170,172Ta, 170,172,174Re, 176Ir; calculated residual interactions. 163,165,167,169,171Lu, 165,167,169,171,173Ta, 169,171,173,175Re, 173,175,177Ir; calculated relative levels of πi13/2, πh9/2, πh11/2 bands.
doi: 10.1103/PhysRevC.87.024315
2013MA73 Phys.Rev. C 88, 041306 (2013) J.C.Marsh, W.C.Ma, G.B.Hagemann, R.V.F.Janssens, R.Bengtsson, H.Ryde, M.P.Carpenter, G.Gurdal, D.J.Hartley, C.R.Hoffman, Q.A.Ijaz, F.G.Kondev, T.Lauritsen, S.Mukhopadhyay, L.L.Riedinger, R.B.Yadav, S.Zhu Identification of triaxial strongly deformed bands in 164Hf NUCLEAR REACTIONS 94Zr(74Ge, 4n), E=330 MeV; measured Eγ, Iγ, γγ-coin, four-fold γ coin using Gammasphere array at ATLAS-ANL facility. 164Hf; deduced high-spin levels, J, π, normal-deformed and triaxial strongly-deformed (TSD) bands, configurations, alignments; calculated total energy surface contours. Cranked shell-model calculations using Ultimate Cranker computer code.
doi: 10.1103/PhysRevC.88.041306
2013PA12 Phys.Rev. C 87, 044325 (2013) D.Pandit, B.Dey, D.Mondal, S.Mukhopadhyay, S.Pal, S.Bhattacharya, A.De, S.R.Banerjee Giant dipole resonance width as a probe for nuclear deformation at finite excitation NUCLEAR STRUCTURE 59,63Cu, 110,120Sn, 113,119Sb, 152Gd, 176W, 201Tl, 208Pb; analyzed average deformation β parameter as a function of width of giant dipole resonance (GDR), temperature and spin. GDR-induced quadrupole moment. Comparison with thermal shape fluctuation model (TSFM) calculations.
doi: 10.1103/PhysRevC.87.044325
2013PA39 Phys.Rev. C 88, 054327 (2013) D.Pandit, S.Bhattacharya, B.Dey, D.Mondal, S.Mukhopadhyay, S.Pal, A.De, S.R.Banerjee Giant dipole resonance width and the universality of a fluctuation model including critical temperature NUCLEAR REACTIONS 116Cd(28Si, X)144Sm*, E=125, 140 MeV; 124Sn(28Si, X)152Gd*, E=149, 185 MeV; analyzed energy and width of GDR as a function of angular momentum and temperature using phenomenological formula based on critical-temperature-included fluctuation model (CTFM) and thermal shape fluctuation model (pTSFM). Comparison with experimental data.
doi: 10.1103/PhysRevC.88.054327
2013PA42 Phys.Rev. C 88, 064302 (2013) H.Pai, G.Mukherjee, S.Bhattacharya, C.Bhattacharya, S.Bhattacharyya, T.Bhattacharjee, S.Chanda, S.Rajbanshi, A.Goswami, M.R.Gohil, S.Kundu, T.K.Ghosh, K.Banerjee, T.K.Rana, R.Pandey, G.K.Prajapati, S.R.Banerjee, S.Mukhopadhyay, D.Pandit, S.Pal, J.K.Meena, P.Mukhopadhyay, A.Choudhury Band structures and intruder π12/2 state in 197Tl NUCLEAR REACTIONS 197Au(α, 4n)197Tl, E=48 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linear polarization) at VECC, Kolkata 197Tl; deduced high-spin levels, J, π, multipolarity, bands, alignments; calculated Total Routhian surface (TRS) contour in (β2, γ) plane. Evidence for a possible intruder πi13/2 state. Systematics of band alignments in 193,195,197Tl.
doi: 10.1103/PhysRevC.88.064302
2013RO24 Phys.Rev. C 88, 031601 (2013) P.Roy, K.Banerjee, M.Gohil, C.Bhattacharya, S.Kundu, T.K.Rana, T.K.Ghosh, G.Mukherjee, R.Pandey, H.Pai, V.Srivastava, J.K.Meena, S.R.Banerjee, S.Mukhopadhyay, D.Pandit, S.Pal, S.Bhattacharya Effect of collectivity on the nuclear level density NUCLEAR REACTIONS 165Ho(α, xn)169Tm*, E=28, 40 MeV; 181Ta(α, xn)185Re*, E=30, 40 MeV; 197Au(α, xn)201Tl, E=28, 40 MeV; measured back-angle neutron evaporation spectra (mainly 2n- and 3n-channel) from compound nuclei, double-differential σ(E); deduced inverse level density parameter, dependence of this parameter on deformation of compound nucleus, signature of collectivity. Comparison of measured σ(E) with statistical model calculation using GEMINI++ computer code.
doi: 10.1103/PhysRevC.88.031601
2013TA12 Phys.Rev. C 87, 034319 (2013) S.K.Tandel, M.Hemalatha, A.Y.Deo, S.B.Patel, R.Palit, T.Trivedi, J.Sethi, S.Saha, D.C.Biswas, S.Mukhopadhyay Evolution of octupole collectivity in 221Th NUCLEAR REACTIONS 208Pb(16O, 3n), E=86 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO) using INGA array at TIFR facility. 221Th; deduced high-spin levels, J, π, bands, multipolarity, moment of inertia plots, reflection-asymmetric octupole structures, intrinsic electric dipole moment. Systematics of energy splittings between positive and negative-parity states in odd-A (A=219-225) Th nuclei. Comparison with Woods-Saxon cranking calculations including octupole deformation.
doi: 10.1103/PhysRevC.87.034319
2013ZI01 Acta Phys.Pol. B44, 651 (2013) M.Zieblinski, M.Jastrzab, N.Dokania, V.Nanal, S.Brambilla, P.Bednarczyk, M.Ciemala, E.Dutkiewicz, M.Kmiecik, M.Krzysiek, J.Lekki, A.Maj, Z.Szklarz, B.Wasilewska, M.Dudelo, K.Hadynska-Klek, P.Napiorkowski, B.Genolini, Ch.Schmitt, W.Catford, M.Nakhostin, N.Yavuzkanat, O.Dorvaux, R.G.Pillay, M.S.Pose, S.Mishra, S.Mathimalar, V.Singh, N.Katyan, D.R.Chakrabarty, V.M.Datar, S.Kumar, G.Mishra, S.Mukhopadhyay, D.Pandit, S.Erturk Testing of the PARIS LaBr3-NaI Phoswich Detector with High Energy Gamma-rays
doi: 10.5506/APhysPolB.44.651
2012BA26 Phys.Rev. C 85, 064310 (2012) K.Banerjee, S.Bhattacharya, C.Bhattacharya, M.Gohil, S.Kundu, T.K.Rana, G.Mukherjee, R.Pandey, P.Roy, H.Pai, A.Dey, T.K.Ghosh, J.K.Meena, S.Mukhopadhyay, D.Pandit, S.Pal, S.R.Banerjee Variation of nuclear level density with angular momentum NUCLEAR REACTIONS 115In(α, X)119Sb*, E=30, 42 MeV; measured Eγ, E(n), nγ-coin, γ-ray fold distribution, angular distribution of neutrons, average angular momentum, inverse level-density parameter, temperature, time of flight. Comparison with statistical model calculations.
doi: 10.1103/PhysRevC.85.064310
2012CH17 Phys.Rev. C 85, 044619 (2012) D.R.Chakrabarty, V.M.Datar, Suresh Kumar, G.Mishra, E.T.Mirgule, A.Mitra, P.C.Rout, V.Nanal, D.Pandit, S.Mukhopadhyay, S.Bhattacharya Exclusive giant dipole resonance measurement on the Jacobi transition in the 19F+27Al system NUCLEAR REACTIONS 27Al(19F, X), E=74.7, 125 MeV; measured Eγ, Iγ, γγ-coin, fusion evaporation residue spectra, time of flight, fold distribution, evaporation residue-gated (ER-gated) spectra; deduced yields, compound nuclear spin distribution, average photon absorption cross section. Jacobi shape transition. Statistical model analysis.
doi: 10.1103/PhysRevC.85.044619
2012CH47 Phys.Rev. C 86, 064314 (2012) A.Chakraborty, F.M.Prados-Estevez, S.N.Choudry, B.P.Crider, P.E.Garrett, W.D.Kulp, A.Kumar, M.T.McEllistrem, S.Mukhopadhyay, M.G.Mynk, J.N.Orce, E.E.Peters, J.L.Wood, S.W.Yates New decay pattern of negative-parity states at N=90 NUCLEAR REACTIONS 150Nd(n, n'), E=1.2, 1.4, 2.05, 2.7 MeV; measured Eγ, Iγ, γ(θ), γγ-coin, level half-lives by DSAM. 150Nd; deduced levels, J, π, multipolarity, mixing ratios, B(E1). Comparison of E1 transition strengths in 150Nd and 152Sm. Enhanced E1 rates, octupole collectivity.
doi: 10.1103/PhysRevC.86.064314
2012DA17 Eur.Phys.J. A 48, 186 (2012) L.S.Danu, P.K.Joshi, D.C.Biswas, S.Mukhopadhyay, A.Goswami, P.N.Prashanth, L.A.Kinage, R.K.Choudhury, B.Singh Revisiting the decay scheme and half-life of 139Ba RADIOACTIVITY 139Ba(β-); measured 139La Eγ, Iγ, γγ-coin. 139Ba deduced β-decay scheme, branching ratios, log ft to individual levels. 139La deduced levels, J, π, γ transitions, branching ratios, T1/2 of individual levels. 139Ba deduced β-decay scheme, branching ratios, log ft to individual levels. Compared with other data and ENSDF.
doi: 10.1140/epja/i2012-12186-2
2012DE22 Phys.Scr. T150, 014011 (2012) A.Dey, S.Kundu, T.K.Rana, K.Banerjee, C.Bhattacharya, M.Biswas, T.K.Ghosh, H.Pai, G.Mukherjee, J.K.Meena, D.Gupta, S.Bhattacharya, S.Mukhopadhyay, D.Pandit, S.R.Banerjee, S.Kumar, A.Chatterjee, K.Ramachandran, K.Mahata, S.Santra, S.Pandit Study of the 1p transfer channel in the 12C + 27Al reaction at 6-7 MeV per nucleon NUCLEAR REACTIONS 27Al(12C, 11B)28Si, E=73, 81, 85 MeV; measured reaction products. 28Si; deduced σ, σ(θ), spectroscopic factors for different excited states. ECIS94 and distorted-wave Born approximation, comparison with available data.
doi: 10.1088/0031-8949/2012/T150/014011
2012KU19 Phys.Rev. C 85, 064607 (2012) S.Kundu, C.Bhattacharya, K.Banerjee, T.K.Rana, S.Bhattacharya, A.Dey, T.K.Ghosh, G.Mukherjee, J.K.Meena, P.Mali, S.Mukhopadhyay, D.Pandit, H.Pai, S.R.Banerjee, D.Gupta, P.Banerjee, Suresh Kumar, A.Shrivastava, A.Chatterjee, K.Ramachandran, K.Mahata, S.K.Pandit, S.Santra Complex-fragment emission in low-energy light-ion reactions NUCLEAR REACTIONS 28Si(12C, X), E=77 MeV; 28Si(11B, X), E=64 MeV; 27Al(12C, X), E=73 MeV; measured particle spectra for Z=3-5 fragments, fragment σ(E, θ, Z), total fusion-fission fragment and deep inelastic fragment cross sections, angular distribution of deep inelastic fragments; deduced average Q values, angular momentum dissipation factor with fragment. Comparison with theoretical predictions from statistical model.
doi: 10.1103/PhysRevC.85.064607
2012MU03 Phys.Lett. B 709, 9 (2012) S.Mukhopadhyay, D.Pandit, S.Pal, S.Bhattacharya, A.De, S.Bhattacharya, C.Bhattacharya, K.Banerjee, S.Kundu, T.K.Rana, G.Mukherjee, R.Pandey, M.Gohil, H.Pai, J.K.Meena, S.R.Banerjee Measurement of giant dipole resonance width at low temperature: A new experimental perspective NUCLEAR REACTIONS 115In(α, X)119Sb, E=30, 35, 42 MeV; measured reaction products, Eγ, Iγ, En, In; deduced yields, Giant Dipole Resonance width and bremsstrahlung parameters. Comparison with predictions of thermal shape fluctuation model.
doi: 10.1016/j.physletb.2012.01.059
2012MU08 Phys.Rev. C 85, 064321 (2012) S.Mukhopadhyay, L.S.Danu, D.C.Biswas, A.Goswami, P.N.Prashanth, L.A.Kinage, A.Chatterjee, R.K.Choudhury Prompt γ spectroscopic studies of fragment nuclei in thermal neutron induced fission of 235U NUCLEAR REACTIONS 235U(n, F), E=thermal; measured Eγ, Iγ, γγ-coin. 88,90Kr, 94,95,96,98Sr, 96,98,100,102Zr, 128,130,132,134,136Te, 136,137,138,139,140Xe, 140,141,142,143,144,145,146Ba; deduced yrast and near-yrast levels, J, π, isotopic yield and mean angular momentum distributions of fission fragments.
doi: 10.1103/PhysRevC.85.064321
2012PA18 Phys.Rev. C 85, 064317 (2012) H.Pai, G.Mukherjee, R.Raut, S.K.Basu, A.Goswami, S.Chanda, T.Bhattacharjee, S.Bhattacharyya, C.Bhattacharya, S.Bhattacharya, S.R.Banerjee, S.Kundu, K.Banerjee, A.Dey, T.K.Rana, J.K.Meena, D.Gupta, S.Mukhopadhyay, S.Bhattacharya, S.Bhattacharya, S.Ganguly, R.Kshetri, M.K.Pradhan Onset of deformation at N = 112 in Bi nuclei NUCLEAR REACTIONS 181Ta(20Ne, 6n)195Bi, E=130 MeV; measured Eγ, Iγ, γγ-coin, delayed γγ-coin, DCO, γγ(linear pol) using the INGA array. 195Bi; deduced high-spin levels, J, π, multipolarity, bands, configurations. Comparison with total Routhian surface calculations using Woods-Saxon potential. Systematics of level energies in A=190-206 odd-odd Bi nuclei and even-even Pb nuclei. Discussed nuclear shape, and onset of deformation.
doi: 10.1103/PhysRevC.85.064317
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