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NSR database version of May 10, 2024.

Search: Author = S.Bhattacharjee

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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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2024LU03      Phys.Rev. C 109, 014309 (2024)

R.S.Lubna, A.B.Garnsworthy, V.Tripathi, G.C.Ball, C.R.Natzke, M.Rocchini, C.Andreoiu, S.S.Bhattacharjee, I.Dillmann, F.H.Garcia, S.A.Gillespie, G.Hackman, C.J.Griffin, G.Leckenby, T.Miyagi, B.Olaizola, C.Porzio, M.M.Rajabali, Y.Saito, P.Spagnoletti, S.L.Tabor, R.Umashankar, V.Vedia, A.Volya, J.Williams, D.Yates

Cross-shell excited configurations in the structure of 34Si

doi: 10.1103/PhysRevC.109.014309
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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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2023KO21      Phys.Rev. C 108, 034601 (2023)

J.Kovoor, K.L.Jones, J.Hooker, M.Vostinar, R.Kanungo, S.D.Pain, M.Alcorta, J.Allen, C.Andreoiu, L.Atar, D.W.Bardayan, S.S.Bhattacharjee, D.Blankstein, C.Burbadge, S.Burcher, W.N.Catford, S.Cha, K.Chae, D.Connolly, B.Davids, N.E.Esker, F.H.Garcia, S.Gillespie, R.Ghimire, A.Gula, G.Hackman, S.Hallam, M.Hellmich, J.Henderson, M.Holl, P.Jassal, S.King, T.Knight, R.Kruecken, A.Lepailleur, J.Liang, L.Morrison, P.D.O'Malley, X.Pereira-Lopez, A.Psaltis, A.Radich, J.Refsgaard, A.C.Shotter, M.Williams, O.Workman

Structure studies of 13Be from the 12Be(d, p) reaction in inverse kinematics on a solid deuteron target

doi: 10.1103/PhysRevC.108.034601
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2023RO02      Phys.Rev.Lett. 130, 122502 (2023)

M.Rocchini, P.E.Garrett, M.Zielinska, S.M.Lenzi, D.D.Dao, F.Nowacki, V.Bildstein, A.D.MacLean, B.Olaizola, Z.T.Ahmed, C.Andreoiu, A.Babu, G.C.Ball, S.S.Bhattacharjee, H.Bidaman, C.Cheng, R.Coleman, I.Dillmann, A.B.Garnsworthy, S.Gillespie, C.J.Griffin, G.F.Grinyer, G.Hackman, M.Hanley, A.Illana, S.Jones, A.T.Laffoley, K.G.Leach, R.S.Lubna, J.McAfee, C.Natzke, S.Pannu, C.Paxman, C.Porzio, A.J.Radich, M.M.Rajabali, F.Sarazin, K.Schwarz, S.Shadrick, S.Sharma, J.Suh, C.E.Svensson, D.Yates, T.Zidar

First Evidence of Axial Shape Asymmetry and Configuration Coexistence in 74Zn: Suggestion for a Northern Extension of the N=40 Island of Inversion

RADIOACTIVITY 74Cu(β-) [from Ta(p, X)74Cu, E=490 MeV]; measured decay products, Eγ, Iγ; deduced γ-ray energies and relative intensities, energy levels, J, π, relative B(E2), ground state enhanced axial shape asymmetry (triaxiality). Comparison with available data, with shell-model calculations (SM) and shell-model calculations in a deformed Hartree-Fock basis (DNO-SM). The GRIFFIN γ-ray spectrometer, TRIUMF-ISAC1 facility.

doi: 10.1103/PhysRevLett.130.122502
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2023SA26      Phys.Rev. C 107, 064611 (2023)

R.Santra, B.Dey, S.Roy, R.Palit, Md.S.R.Laskar, H.Pai, S.Rajbanshi, S.Ali, S.Bhattacharjee, F.S.Babra, A.Mukherjee, S.Jadhav, B.S.Naidu, A.T.Vazhappilly, S.Pal

Collective enhancement in nuclear level density of 72Ga and 71Ga from γ-gated proton spectra

NUCLEAR REACTIONS 64Ni(9Be, np), (9Be, 2np), E=30 MeV; measured Ep, Ip, Eγ, Iγ, pγ-coin; deduced reaction yields proton yields from compound nuclei. 71,72Ga; deduced nuclear level density (NLD), rotational enhancement factor. Comparison to statistical model calculations. CsI(Tl) detector array (proton detection) combined with 14 Compton-suppressed Clover detectors (γ detection) at BARC-TIFR Pelletron Linac Facility (Mumbai).

doi: 10.1103/PhysRevC.107.064611
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2023SU03      Phys.Lett. B 839, 137801 (2023)

L.J.Sun, C.Fry, B.Davids, N.Esker, C.Wrede, M.Alcorta, S.Bhattacharjee, M.Bowry, B.A.Brown, T.Budner, R.Caballero-Folch, L.Evitts, M.Friedman, A.B.Garnsworthy, B.E.Glassman, G.Hackman, J.Henderson, O.S.Kirsebom, J.Lighthall, P.Machule, J.Measures, M.Moukaddam, J.Park, C.Pearson, D.Perez-Loureiro, C.Ruiz, P.Ruotsalainen, J.Smallcombe, J.K.Smith, D.Southall, J.Surbrook, L.E.Weghorn, M.Williams

First application of Markov chain Monte Carlo-based Bayesian data analysis to the Doppler-shift attenuation method

NUCLEAR REACTIONS 3He(32S, α)31S, E=128 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, levels, T1/2, resonances. Comparison with the shell-model code NuShellX calculations. Modern Markov chain Monte Carlo-based Bayesian statistical techniques. The Doppler Shift Lifetimes (DSL2) facility at the TRIUMF Isotope Separator and Accelerator (ISAC-II) facility.

doi: 10.1016/j.physletb.2023.137801
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2023WI02      Phys.Rev. C 107, 035803 (2023)

M.Williams, B.Davids, G.Lotay, N.Nishimura, T.Rauscher, S.A.Gillespie, M.Alcorta, A.M.Amthor, G.C.Ball, S.S.Bhattacharjee, V.Bildstein, W.N.Catford, D.T.Doherty, N.E.Esker, A.B.Garnsworthy, G.Hackman, K.Hudson, A.Lennarz, C.Natzke, B.Olaizola, A.Psaltis, C.E.Svensson, J.Williams, D.Walter, D.Yates

Cross sections of the 83Rb(p, γ)84Sr and 84Kr(p, γ)85Rb reactions at energies characteristic of the astrophysical γ process

NUCLEAR REACTIONS 1H(83Rb, γ)84Sr, E=2.4, 2.7 MeV/nucleon; 1H(84Kr, γ)85Rb, E=2.7 MeV/nucleon; measured Eγ, Iγ, (recoil)γ-coin; deduced σ(E). 1H(83Rb, γ)84Sr, E=2.4, 2.7 MeV/nucleon; deduced thermonuclear reaction rate. Comparison to SMARAGD and NON-SMOKER calculations. Relevance to the abundance of 84Sr produced during the γ process in supernovae. The EMMA recoil mass spectrometer with 12 Compton-suppressed HPGe detectors of the TIGRESS array at ISAC-II facility of TRIUMF.

doi: 10.1103/PhysRevC.107.035803
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2023YA17      Phys.Rev. C 107, 064309 (2023)

D.Yates, R.Krucken, I.Dillmann, P.E.Garrett, B.Olaizola, V.Vedia, F.A.Ali, C.Andreoiu, W.Ashfield, G.C.Ball, Z.Beadle, N.Bernier, S.S.Bhattacharjee, H.Bidaman, V.Bildstein, D.Bishop, M.Bowry, C.Burbadge, R.Caballero-Folch, D.Z.Chaney, D.C.Cross, A.Diaz Varela, M.R.Dunlop, R.Dunlop, L.J.Evitts, F.H.Garcia, A.B.Garnsworthy, S.Georges, S.A.Gillespie, G.Hackman, J.Henderson, B.Jigmeddorj, J.Lassen, R.Li, B.K.Luna, A.D.MacLean, C.R.Natzke, C.M.Petrache, A.J.Radich, M.M.Rajabali, P.H.Regan, Y.Saito, J.Smallcombe, J.K.Smith, M.Spieker, C.E.Svensson, A.Teigelhofer, K.Whitmore, T.Zidar

Decay spectroscopy of 160Eu: Quasiparticle configurations of excited states and structure of Kπ = 4+ bandheads in 160Gd

RADIOACTIVITY 160,160mEu(β-)[from U(p, X), E=480 MeV]; measured Eγ, Iγ, γγ-coin, γγ(θ) βγγ-coin; deduced logft, β-feeding intensities. 160Eu; deduced J, π of the b-decaying isomeric states with preliminary J=1 and J=5 assignments, configurations. 160Gd; deduced levels, J, π, transition intensities, δ, B(M1), B(E2), T1/2 of the excited states populated in 160Eu decay, band configurations. Comparison to previous experimental results. GRIFFIN spectrometer consisting of 15 HPGe clover detectors and surrounded by 7 LaBr3(Ce) detectors for lifetime measurements at the TRIUMF-ISAC facility.

doi: 10.1103/PhysRevC.107.064309
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2022BH07      Phys.Rev. C 106, 064612 (2022)

S.Bhattacharjee, P.Biswas, A.Gupta, M.K.Pradhan, N.Deshmukh, P.Basu, V.V.Parkar, S.Santra, K.Ramachandran, A.Chatterjee, S.Roy, A.Mukherjee

Systematic investigation of channel-coupling effects on elastic, inelastic, and neutron-transfer channels in 6Li+159Tb

NUCLEAR REACTIONS 159Tb(6Li, 6Li), (6Li, 7Li), E= 25, 27, 30, 35 MeV; measured reaction product, angular distributions; deduced elastic and quasielastic scattering σ(θ, E), 1n pickup reaction σ(θ, E), optical model potential parameters, spectroscopic factors for 158Tb+n and 6Li+n conigurations. Comparison to finite-range coupled-channel Born approximation (CCBA) calculations.Four Silicon surface barrier telescope detectors at 14UD BARC-TIFR Pelletron Accelerator (Mumbai, India).

doi: 10.1103/PhysRevC.106.064612
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2022CH50      Phys.Rev. C 106, 044329 (2022)

S.Chatterjee, B.Mondal, A.Ghosh, D.Arora, S.Das, S.Samanta, R.Raut, S.S.Ghugre, P.C.Srivastava, A.K.Sinha, U.Garg, H.K.Singh, Neelam, K.Rojeeta Devi, A.Sharma, S.S.Bhattacharjee, R.Garg, I.Bala, R.P.Singh, S.Muralithar

Single-particle configurations of the excited states of 203Po

NUCLEAR REACTIONS 194Pt(13C, 4n), (13C, 3n), E=74 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ). 203Po; deduced levels, J, π, polarization asymmetry, ratio of angular distribution from oriented nuclei, linear polarisation of the transitions, δ, T1/2 of 2789-keV state, high-spin states. 204Po; deduced T1/2 of 3387-keV state. Comparison to other experimental data and large basis shell-model calculation using the KHH7B Hamiltonian. Indian National Gamma Array (INGA) consisting of 18 Compton suppressed HPGe clover detectors at 15UD Pelletron accelerator facility (IUAC, New Delhi).

doi: 10.1103/PhysRevC.106.044329
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Data from this article have been entered in the XUNDL database. For more information, click here.


2022KA24      Eur.Phys.J. A 58, 159 (2022)

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

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

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

doi: 10.1140/epja/s10050-022-00809-4
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2022LO11      Phys.Lett. B 833, 137361 (2022)

G.Lotay, J.Henderson, W.N.Catford, F.A.Ali, J.Berean, N.Bernier, S.S.Bhattacharjee, M.Bowry, R.Caballero-Folch, B.Davids, T.E.Drake, A.B.Garnsworthy, F.Ghazi Moradi, S.A.Gillespie, B.Greaves, G.Hackman, S.Hallam, D.Hymers, E.Kasanda, D.Levy, B.K.Luna, A.Mathews, Z.Meisel, M.Moukaddam, D.Muecher, B.Olaizola, N.A.Orr, H.P.Patel, M.M.Rajabali, Y.Saito, J.Smallcombe, M.Spencer, C.E.Svensson, K.Whitmore, M.Williams

Single neutron transfer on 23Ne and its relevance for the pathway of nucleosynthesis in astrophysical X-ray bursts

NUCLEAR REACTIONS 2H(23Ne, p)24Ne, E=8 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced excitation energies, J, π, spectroscopic factors, σ(θ), reduced uncertainties for 23Al + p resonance strengths. Comparison with reaction calculations in the Adiabatic Distorted Wave Approximation (ADWA), using the code TWOFNR. TIGRESS array, the ISAC-II facility at TRIUMF.

doi: 10.1016/j.physletb.2022.137361
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2811. Data from this article have been entered in the XUNDL database. For more information, click here.


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


2022SH26      Eur.Phys.J. A 58, 83 (2022)

S.Sharma, G.F.Grinyer, G.C.Ball, J.R.Leslie, C.E.Svensson, F.A.Ali, C.Andreoiu, N.Bernier, S.S.Bhattacharjee, V.Bildstein, C.Burbadge, R.Caballero-Folch, R.Coleman, A.Diaz Varela, M.R.Dunlop, R.Dunlop, A.B.Garnsworthy, E.Gyabeng Fuakye, G.M.Huber, B.Jigmeddorj, K.Kapoor, A.T.Laffoley, K.G.Leach, J.Long, A.D.MacLean, C.R.Natzke, B.Olaizola, A.J.Radich, N.Saei, J.T.Smallcombe, A.Talebitaher, K.Whitmore, T.Zidar

High-precision half-life determination of 14O via direct β counting

RADIOACTIVITY 14O(β+) [from Si(p, X), E=480 MeV]; measured decay products, Eβ, Iβ; deduced log ft, T1/2, the new world average based on several measurements. The Isotope Separator and Accelerator (ISAC) facility at TRIUMF.

doi: 10.1140/epja/s10050-022-00730-w
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Data from this article have been entered in the XUNDL database. For more information, click here.


2022SM02      Phys.Rev. C 106, 014312 (2022)

J.Smallcombe, A.B.Garnsworthy, W.Korten, P.Singh, F.A.Ali, C.Andreoiu, S.Ansari, G.C.Ball, C.J.Barton, S.S.Bhattacharjee, M.Bowry, R.Caballero-Folch, A.Chester, S.A.Gillespie, G.F.Grinyer, G.Hackman, C.Jones, B.Melon, M.Moukaddam, A.Nannini, P.Ruotsalainen, K.Starosta, C.E.Svensson, R.Wadsworth, J.Williams

Improved measurement of the 02+ → 01+ E0 transition strength for 72Se using the SPICE spectrometer

NUCLEAR REACTIONS 40Ca(36Ar, 4p), E=120 MeV from TRIUMF-ISAC-II linear accelerator; measured reaction products, Eγ, Iγ, ce, γγ-coin, (ce)γ-coin, and (ce)γ(t) using TIGRESS array of 12 HPGe clover detectors for γ detection, and SPICE array and a Si(Li) detector for conversion electrons. 72Se; deduced levels, T1/2 of 937, 0+ level, I(937, E0)/I(γ+ce)(75γ, E2) ratio, qK2(E0/E2) and ρ2(E0, 937) transition strength. Comparison with previous experimental results, and with two state mixing theoretical calculations for the g.s. and the first 2+ state. Systematics of experimental B(E2) and ρ2(E0) strengths in 66,68,70,72,74Ge, 68,70,72,74,76Se, 70,72,74,76,78Kr.

doi: 10.1103/PhysRevC.106.014312
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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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Data from this article have been entered in the XUNDL database. For more information, click here.


2021AH06      Eur.Phys.J. A 57, 322 (2021)

A.Ahmed, N.Subba, Sh.Bhattacharjee, A.N.Tawfik, P.Kr.Haldar

Evidence of forward-backward correlation of pions in ultra-relativistic ring- and jet-like events in 16O - Ag/Br interactions at Elab = 60 A GeV

doi: 10.1140/epja/s10050-021-00635-0
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2021BA11      Eur.Phys.J. D 75, 37 (2021)

C.Bagdia, S.Biswas, A.Mandal, S.Bhattacharjee, L.C.Tribedi

Ionization and fragmentation of fluorene upon 250 keV proton impact

NUCLEAR REACTIONS C, H(p, X), E=250 keV; measured reaction products, the time-of-flight (TOF) of the recoil-ions; deduced ionization and fragmentation of a polycyclic aromatic hydrocarbon molecule (fluorene), the ratio of doubly to singly charged parent ions.

doi: 10.1140/epjd/s10053-020-00001-7
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2021BH14      Phys.Rev. C 104, 054607 (2021)

S.Bhattacharjee, A.Mukherjee, A.Gupta, R.Santra, D.Chattopadhyay, N.Deshmukh, S.Dhuri, S.Gupta, V.V.Parkar, S.K.Pandit, K.Ramachandran, K.Mahata, A.Shrivastava, R.Pachuau, S.Rathi

Fusion of 16O + 165Ho at deep sub-barrier energies

NUCLEAR REACTIONS 165Ho(16O, 3nα)174Ta, (16O, 5n)176Re, (16O, 4n)177Re, (16O, 3n)178Re, E=62-85 MeV; measured evaporation residues (ERs) by off-line γ-ray spectroscopy, Eγ, Iγ from decays of evaporation residues, σ(E) at 14UD BARC-TIFR Pelletron-LINAC facility; deduced fusion σ(E) and compared with σ(E) results of earlier experiments, astrophysical S factor. Comparison with coupled channel (CC) calculations using Woods-Saxon potential using code PACE4, fusion hindrance and compared with prediction from adiabatic model; analyzed previous experimental results for 19F+165Ho, 7Li+165Ho, 12C+198Pt, 16O+208Pb, 28Si+64Ni, 16O+208Pb, 32S+89Y, 36S+64Ni, 40Ca+40Ca, 40Ca+48Ca, and 48Ca+48Ca systems. 178Re; measured T1/2 of the decay of the g.s.

doi: 10.1103/PhysRevC.104.054607
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6413.


2021BI02      Phys.Rev. C 103, 014606 (2021)

P.Biswas, A.Mukherjee, D.Chattopadhyay, S.Bhattacharjee, M.K.Pradhan, Md.M.Shaikh, S.Roy, A.Goswami, P.Basu, S.Santra, S.K.Pandit, K.Mahata, A.Shrivastava

Large back-angle quasielastic scattering for 7Li + 159Tb

NUCLEAR REACTIONS 159Tb(7Li, 7Li), (7Li, X), E=17-34 MeV from 14UD BARC-TIFR Pelletron Accelerator; measured reaction products, σ(θ) using ΔE-E telescopes of Si-surface barrier detectors; deduced quasielastic excitation functions and quasielastic barrier distributions, complete fusion σ(E). Comparison with continuum discretized coupled-channel (CDCC) model calculations.

doi: 10.1103/PhysRevC.103.014606
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2021BI08      Phys.Rev. C 104, 034620 (2021)

P.Biswas, A.Mukherjee, S.Bhattacharjee, D.Chattopadhyay, S.Roy, S.Santra, S.K.Pandit, K.Ramachandran, K.Mahata, A.Shrivastava

Quasielastic backscattering and barrier distribution for the weakly bound projectile 6Li on 159Tb

NUCLEAR REACTIONS 159Tb(6Li, 6Li'), (6Li, X), E=17-33 MeV; measured charged-particle spectra, E-ΔE spectrum, σ(E) using Si detector telescopes at 14UD BARC-TIFR Pelletron-Linac Facility; deduced quasielastic excitation function and quasielastic barrier distributions and compared with FRESCO calculations, excluding and including α particles, production σ(E), and compared with the DWBA calculations. Discussed α-breakup threshold of the nucleus 6Li.

doi: 10.1103/PhysRevC.104.034620
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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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2021LO11      Phys.Rev.Lett. 127, 112701 (2021)

G.Lotay, S.A.Gillespie, M.Williams, T.Rauscher, M.Alcorta, A.M.Amthor, C.A.Andreoiu, D.Baal, G.C.Ball, S.S.Bhattacharjee, H.Behnamian, V.Bildstein, C.Burbadge, W.N.Catford, D.T.Doherty, N.E.Esker, F.H.Garcia, A.B.Garnsworthy, G.Hackman, S.Hallam, K.A.Hudson, S.Jazrawi, E.Kasanda, A.R.L.Kennington, Y.H.Kim, A.Lennarz, R.S.Lubna, C.R.Natzke, N.Nishimura, B.Olaizola, C.Paxman, A.Psaltis, C.E.Svensson, J.Williams, B.Wallis, D.Yates, D.Walter, B.Davids

First Direct Measurement of an Astrophysical p-Process Reaction Cross Section Using a Radioactive Ion Beam

NUCLEAR REACTIONS 1H(83Rb, γ), (84Kr, γ), E=2.4, 2.7 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies, partial σ. Comparison with statistical model calculations.

doi: 10.1103/PhysRevLett.127.112701
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2021RA22      Phys.Rev. C 104, L042801 (2021)

J.S.Randhawa, R.Kanungo, J.Refsgaard, P.Mohr, T.Ahn, M.Alcorta, C.Andreoiu, S.S.Bhattacharjee, B.Davids, G.Christian, A.A.Chen, R.Coleman, P.E.Garrett, G.F.Grinyer, E.G.Fuakye, G.Hackman, J.Hollett, R.Jain, K.Kapoor, R.Krucken, A.Laffoley, A.Lennarz, J.Liang, Z.Meisel, B.Nikhil, A.Psaltis, A.Radich, M.Rocchini, N.Saei, M.Saxena, M.Singh, C.Svensson, P.Subramaniam, A.Talebitaher, S.Upadhyayula, C.Waterfield, J.Williams, M.Williams

First direct measurement of 59Cu(p, α)56Ni: step towards constraining the Ni-Cu cycle in the cosmos

NUCLEAR REACTIONS 1H(59Cu, α)56Ni, E=8.5 MeV/nucleon, [secondary 59Cu beam from Nb(p, X), E=480 MeV at the TRIUMF cyclotron, followed by re-acceleration of 59Cu beam by ISAC-II superconducting LINAC, solid H2 target]; measured protons and α particles, angle-integrated σ using thick single-sided silicon strip detectors and a layer of thick CsI(Tl) detectors; deduced ratio of integrated σ to total σ, exclusive population of the ground state of 56Ni in (p, α). Comparison with Hauser-Feshbach based statistical model calculations; deduced overestimation of (p, α) cross section in this region. Discussed impact on νp process and x-ray bursts (XRBs). Relevance to Ni-Cu cycle in nucleosynthesis, with competing 59Cu(p, α)56Ni and 59Cu(p, γ)60Zn reactions.

doi: 10.1103/PhysRevC.104.L042801
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2021SH09      Phys.Rev. C 103, 024324 (2021)

A.Sharma, R.Raut, S.Muralithar, R.P.Singh, S.S.Bhattacharjee, S.Das, S.Samanta, S.S.Ghugre, R.Palit, S.Jehangir, N.Rather, G.H.Bhat, J.A.Sheikh, S.S.Tiwary, Neelam, P.V.Madhusudhana Rao, U.Garg, S.K.Dhiman

Evidence of antimagnetic rotational motion in 103Pd

NUCLEAR REACTIONS 94Zr(13C, 4n)103Pd, E=55 MeV; measured Eγ, Iγ, half-lives of levels in the negative-parity yrast band by Doppler-shift attenuation method (DSAM) using the INGA array of 18 Compton suppressed HPGe clover detectors. 103Pd; deduced levels, J, π, B(E2), configurations, dynamic moment of inertia, antimagnetic rotational (AMR) band structure; calculated total Routhian surface (TRS) contour for the negative-parity yrast band in (β2cos(γ+30°), β2sin(γ+30°)) plane, and quasiparticle Routhians for proton and neutron using cranked-shell model. Comparison of spin versus angular frequency distribution and B(E2) values with tilted-axis cranked-shell model calculations based on the covariant density functional theory, and with semi-classical particle-rotor model calculations.

doi: 10.1103/PhysRevC.103.024324
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2020CH05      Nucl.Phys. A996, 121687 (2020)

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

γ-vibration in 126Xe: A revisit

doi: 10.1016/j.nuclphysa.2019.121687
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2020CH11      Eur.Phys.J. A 56, 50 (2020)

S.Chakraborty, H.P.Sharma, S.S.Tiwary, C.Majumder, P.Banerjee, S.Ganguly, S.Rai, P.Popli, S.Modi, P.Arumugam, M.Singh, S.Kumar, A.Kumar, S.S.Bhattacharjee, R.P.Singh, S.Muralithar, R.Palit

Signature splitting in the positive parity bands of 127Xe

doi: 10.1140/epja/s10050-020-00066-3
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2020CH46      Phys.Lett. B 811, 135854 (2020)

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

Multiphonon longitudinal wobbling in 127Xe

NUCLEAR REACTIONS 122Sn(9Be, X)127Xe, E=48 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, E2 fraction, wobbling bands. Comparison with available data.

doi: 10.1016/j.physletb.2020.135854
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2020CH48      J.Phys.(London) G47, 015103 (2020)

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

Possible antimagnetic rotational band in 127Xe

NUCLEAR REACTIONS 122Sn(9Be, 4n)127Xe, E=48 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced γ-ray energies and intensities, branching ratios, J, π, bands. Comparison with semiclassical particles-plus-rotor model calculations.

doi: 10.1088/1361-6471/ab5374
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2020CR04      Phys.Rev. C 102, 024335 (2020)

S.Cruz, K.Wimmer, S.S.Bhattacharjee, P.C.Bender, G.Hackman, R.Krucken, F.Ames, C.Andreoiu, R.A.E.Austin, C.S.Bancroft, R.Braid, T.Bruhn, W.N.Catford, A.Cheeseman, A.Chester, D.S.Cross, C.Aa.Diget, T.Drake, A.B.Garnsworthy, R.Kanungo, A.Knapton, W.Korten, K.Kuhn, J.Lassen, R.Laxdal, M.Marchetto, A.Matta, D.Miller, M.Moukaddam, N.A.Orr, N.Sachmpazidi, A.Sanetullaev, C.E.Svensson, N.Terpstra, C.Unsworth, P.J.Voss

Single-particle structure in neutron-rich Sr isotopes approaching the N=60 shape transition

NUCLEAR REACTIONS 2H(94Sr, t), (95Sr, t), (96Sr, t), E=5.5 MeV/nucleon, [secondary beams of Sr isotopes produced in U(p, X), E=480 MeV primary reaction, followed by separation of Sr fragments using a laser ion source at TRIUMF-ISACII facility]; measured light charged particles using the highly segmented silicon detector array (SHARC), E(t), σ(θ), Eγ, Iγ, (triton)γ- and (triton)γγ-coin using TIGRESS array of eight clover detectors. 93,94,95Sr; deduced levels, J, π, L-transfers by DWBA analysis, spectroscopic factors, configurations. Comparison with shell-model calculations. Systematics of the excited 0+ states in 88,90,92,94,96,98,100Sr.

doi: 10.1103/PhysRevC.102.024335
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2020GA27      Phys.Rev.Lett. 125, 172501 (2020)

F.H.Garcia, C.Andreoiu, G.C.Ball, A.Bell, A.B.Garnsworthy, F.Nowacki, C.M.Petrache, A.Poves, K.Whitmore, F.A.Ali, N.Bernier, S.S.Bhattacharjee, M.Bowry, R.J.Coleman, I.Dillmann, I.Djianto, A.M.Forney, M.Gascoine, G.Hackman, K.G.Leach, A.N.Murphy, C.R.Natzke, B.Olaizola, K.Ortner, E.E.Peters, M.M.Rajabali, K.Raymond, C.E.Svensson, R.Umashankar, J.Williams, D.Yates

Absence of Low-Energy Shape Coexistence in 80Ge: The Nonobservation of a Proposed Excited 0+2 Level at 639 keV

RADIOACTIVITY 80Ga(β-); measured decay products, Eγ, Iγ, Eβ, Iβ, γ-γ-coin.; deduced γ-ray energies and intensities, J, π, partial level scheme, lack of evidence for low-energy shape coexistence. Comparison with large-scale shell model calculations.

doi: 10.1103/PhysRevLett.125.172501
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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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2020MA59      Phys.Rev. C 102, 054325 (2020)

A.D.MacLean, A.T.Laffoley, C.E.Svensson, G.C.Ball, J.R.Leslie, C.Andreoiu, A.Babu, S.S.Bhattacharjee, H.Bidaman, V.Bildstein, C.Burbadge, M.Bowry, C.Cheng, D.S.Cross, A.Diaz Varela, I.Dillmann, M.R.Dunlop, R.Dunlop, L.J.Evitts, P.Finlay, S.Gillespie, A.B.Garnsworthy, P.E.Garrett, E.Gopaul, C.J.Griffin, G.F.Grinyer, G.Hackman, J.Henderson, B.Jigmeddorj, K.G.Leach, E.Kassanda, J.McAfee, M.Moukaddam, C.Natzke, S.Nittala, B.Olaizola, J.Park, C.Paxman, J.L.Pore, C.Porzio, A.J.Radich, P.Ruotsalainen, Y.Saito, S.Sharma, J.Smallcombe, J.K.Smith, R.Sultana, J.Turko, J.Williams, D.Yates, T.Zidar

High-precision branching ratio measurement and spin assignment implications for 62Ga superallowed β decay

RADIOACTIVITY 62Ga(β+), (EC); measured Eγ, Iγ, β+, β+γ- and βγγ-coin, γγ(θ) using GRIFFIN array of 16 Compton-suppressed HPGe clover detectors for γ rays, and SCEPTAR array of plastic scintillators for β particles at TRIUMF-ISAC facility. 62Zn; deduced levels, J, π, multipole mixing ratios, precise β branch for superallowed 0+ to 0+ transition, β feedings to excited 0+ and (1+) states, isospin-symmetry-breaking correction. Comparison with previous experimental results and implications for theoretical studies of isospin-symmetry-breaking correction calculations.

doi: 10.1103/PhysRevC.102.054325
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2020SA22      Phys.Lett. B 806, 135487 (2020)

R.Santra, B.Dey, S.Roy, M.S.R.Laskar, R.Palit, H.Pai, S.Rajbanshi, S.Ali, S.Bhattacharjee, F.S.Babra, A.Mukherjee, S.Jadhav, B.S.Naidu, A.T.Vazhappilly, S.Pal

Nuclear level density of 69Zn from gamma gated particle spectrum and its implication on 68Zn(n, γ)69Zn capture cross section

NUCLEAR REACTIONS 64Zn(9Be, nα)68Zn, E=30 MeV; measured reaction products, Eα, Iα, Eγ, Iγ. 73Ge; deduced γ-ray energies, J, π, level scheme, yields, σ, nuclear level densities. Comparison with available data.

doi: 10.1016/j.physletb.2020.135487
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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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2020WA24      Phys.Rev. C 102, 024329 (2020)

S.G.Wahid, S.K.Tandel, S.Suman, M.Hemalatha, A.Patel, P.Roy, A.Y.Deo, Pragati, P.C.Srivastava, B.Bhoy, S.S.Bhattacharjee, R.P.Singh, S.Muralithar, P.Chowdhury, R.V.F.Janssens, M.P.Carpenter, T.L.Khoo, F.G.Kondev, T.Lauritsen, C.J.Lister, D.Seweryniak, S.Zhu, S.Rai, A.Sharma

Metastable states from multinucleon excitations in 202Tl and 203Pb

NUCLEAR REACTIONS 198Pt(7Li, 3n)202Tl, E=31-36 MeV; 197Au(209Bi, X), E=1450 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linear polarization), half-lives of isomers by γ(t) and centroid-shift method using the INGA array at IUAC-New Delhi for the 202Tl experiment, and Gammasphere array at the ATLAS-ANL facility for 203Pb. 202Tl, 203Pb; deduced high-spin levels, isomers, J, π, multipolarities, B(E2), B(E3), configurations. Systematics of energies and B(Eλ) for isomers in 202,203,204Tl and 203,204,205Pb. Comparison with shell-model calculations.

doi: 10.1103/PhysRevC.102.024329
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2019AY03      Phys.Rev.Lett. 123, 082501 (2019)

Y.Ayyad, B.Olaizola, W.Mittig, G.Potel, V.Zelevinsky, M.Horoi, S.Beceiro Novo, M.Alcorta, C.Andreoiu, T.Ahn, M.Anholm, L.Atar, A.Babu, D.Bazin, N.Bernier, S.S.Bhattacharjee, M.Bowry, R.Caballero-Folch, M.Cortesi, C.Dalitz, E.Dunling, A.B.Garnsworthy, M.Holl, B.Kootte, K.G.Leach, J.S.Randhawa, Y.Saito, C.Santamaria, P.Siuryte, C.E.Svensson, R.Umashankar, N.Watwood, D.Yates

Direct Observation of Proton Emission in 11Be

RADIOACTIVITY 11Be(β-p) [from U(p, X), E=480 MeV]; measured decay products, Eβ, Iβ, Ep, Ip; deduced level energy, resonance parameters, J, π. Comparison with available data.

doi: 10.1103/PhysRevLett.123.082501
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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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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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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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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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2018SU11      Phys.Rev. C 98, 014330 (2018)

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

Possible onset of multifaceted excitation modes in 29Al

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

doi: 10.1103/PhysRevC.98.014330
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2017BH05      Phys.Rev. C 95, 054330 (2017)

S.S.Bhattacharjee, R.P.Singh, S.Muralithar, I.Bala, R.Garg, S.Rajbanshi, D.Singh, A.Dhal, M.Kumar Raju, S.Saha, J.Sethi, R.Palit

Shape evolution with increasing angular momentum in the 66Ga nucleus

NUCLEAR REACTIONS 56Fe(12C, np), E=62 MeV from Pelletron Linac facility at TIFR-Mumbai; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(θ)(ADO ratios), γγ(linear polarization asymmetries) using the INGA array. 66Ga; deduced high-spin levels, J, π, multipolarities, mixing ratios, bands, alignments, configurations, shape evolution. Comparison with shell model calculations using jj44bpn interaction. Cranking and TRS calculations.

doi: 10.1103/PhysRevC.95.054330
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2017BH10      Phys.Rev. A 96, 052707 (2017)

S.Bhattacharjee, S.Biswas, J.M.Monti, R.D.Rivarola, L.C.Tribedi

Double-differential cross section for ionization of H2O molecules by 4-MeV/u C6+ and Si13+ ions

NUCLEAR REACTIONS H, O(C, X), (Si, X), E=4 MeV/nucleon; measured reaction products, Eβ, Iβ; deduced σ(θ, E) for electrons ejected in collisions.

doi: 10.1103/PhysRevA.96.052707
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2017CH46      Braz.J.Phys. 47, 406 (2017)

S.Chakraborty, H.P.Sharma, S.S.Tiwary, C.Majumder, P.K.Prajapati, S.Rai, P.Popli, M.Singh, S.S.Bhattacharjee, R.P.Singh, S.Muralithar, P.Banerjee, S.Ganguly, S.Kumar, A.Kumar, R.Palit

Two-Neutron Alignment in 127Xe

NUCLEAR REACTIONS 122Sn(9Be, 4n)127Xe, E=48 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies and intensities, J, π, high-spin states. Comparison with Routhian calculations.

doi: 10.1007/s13538-017-0513-0
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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
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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
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2015RO20      Eur.Phys.J. A 51, 153 (2015)

T.Roy, G.Mukherjee, N.Madhavan, T.K.Rana, S.Bhattacharya, Md.A.Asgar, I.Bala, K.Basu, S.S.Bhattacharjee, C.Bhattacharya, S.Bhattacharya, S.Bhattacharyya, J.Gehlot, S.S.Ghugre, R.K.Gurjar, A.Jhingan, R.Kumar, S.Muralithar, S.Nath, H.Pai, R.Palit, R.Raut, R.P.Singh, A.K.Sinha, T.Varughese

A new high-spin isomer in 195Bi

NUCLEAR REACTIONS 169Tm(30Si, 6n), E=168 MeV;169Tm(30Si, 4n), E=146 MeV; measured evaporation residues using HYRA (HYbrid Recoil mass Analyzer), Eγ, Iγ, γγ-coin; deduced γ energy spectrum, TAC spectrum, time spectrum gated by specific transition, γ ray multipolarity, J, π of initial and final states. 195Bi deduced levels, J, π, new high spin isomeric state, isomer T1/2. 194Pb, 195Bi calculated total Routhian Surface for different configurations, deformation. Isomer compared with other isomers in the region.

doi: 10.1140/epja/i2015-15153-5
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2014BH03      Phys.Rev. C 89, 024324 (2014)

S.S.Bhattacharjee, R.Bhattacharjee, R.Chakrabarti, R.Raut, S.S.Ghugre, A.K.Sinha, T.Trivedi, L.Chaturvedi, S.Saha, J.Sethi, R.Palit

Nuclear structure study of 26Mg following heavy-ion-induced fusion-evaporation reaction

NUCLEAR REACTIONS 18O(13C, nα), E=30 MeV; measured Eγ, Iγ, γγ-coin, γ(θ), γγ(θ)(DCO), angular anisotropy, γγ(linear polarization) using INGA array at BARC-TIFR Pelletron Linac facility. 26Mg; deduced levels, J, π, multipolarity, mixing ratio. 24,25Mg, 29Si, 35Cl, 38Ar; observed γ rays and angular anisotropies. Comparison with shell-model calculations.

NUCLEAR STRUCTURE 26Mg; calculated levels, J, π, level half-lives, quadrupole moments, orbital configuration amplitudes, B(M1), B(E2), B(E1)/B(E2). Large-scale shell-model calculations. Comparison with experimental data.

doi: 10.1103/PhysRevC.89.024324
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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
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2011BA23      Europhys.Lett. 94, 62002 (2011)

A.K.Basak, M.M.Billah, M.J.Kobra, M.K.Sarkar, M.Mizanur Rahman, Pretam K.Das, S.Hossain, M.N.A.Abdullah, A.S.B.Tariq, M.A.Uddin, S.Bhattacharjee, I.Reichstein, F.B.Malik

Non-monotonic potentials and vector analyzing powers of 6, 7Li scattering by 12C, 26Mg, 58Ni, and 120Sn

NUCLEAR REACTIONS 12C, 26Mg, 58Ni(6Li, 6Li), (7Li, 7Li), E=20 MeV; 120Sn(6Li, 6Li), (7Li, 7Li), E=44 MeV; calculated σ, vector analyzing power. Optical model potential, comparison with experimental data.

doi: 10.1209/0295-5075/94/62002
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2005BH09      Phys.Rev. C 72, 021601 (2005)

C.Bhattacharya, A.Dey, S.Kundu, K.Banerjee, S.Bhattacharya, S.Mukhopadhyay, D.Gupta, T.Bhattacharjee, S.R.Banerjee, S.Bhattacharyya, T.Rana, S.K.Basu, R.Saha, S.Bhattacharjee, K.Krishan, A.Mukherjee, D.Bandopadhyay, C.Beck

Survival of orbiting in 20Ne (7-10 MeV/nucleon) + 12C reactions

NUCLEAR REACTIONS 12C(20Ne, X), E=145-200 MeV; measured fragment yields, charge distributions, energy spectra, σ(E, θ); deduced survival of orbiting mechanism. Comparison with equilibrium model predictions.

doi: 10.1103/PhysRevC.72.021601
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1994DA17      J.Phys.(London) G20, 1591 (1994)

P.J.Dagnall, C.W.Beausang, R.M.Clark, R.Wadsworth, S.Bhattacharjee, P.Fallon, P.D.Forsyth, D.B.Fossan, G.de France, S.J.Gale, F.Hannachi, K.Hauschild, I.M.Hibbert, H.Hubel, P.M.Jones, M.J.Joyce, A.Korichi, W.Korten, D.R.LaFosse, E.S.Paul, H.Schnare, K.Starosta, J.F.Sharpey-Schafer, P.J.Twin, P.Vaska, M.P.Waring, J.N.Wilson

Oblate Bands in A ≈ 200 Bismuth Nuclei

NUCLEAR REACTIONS 186W(19F, 5n), (19F, 6n), (19F, 7n), E=115, 105 MeV; 198Pt(11B, 6n), (11B, 5n), E=74 MeV; measured γγ-coin. 198,199,200,203,204Bi deduced high-spin levels, J, π, band structure.


1994VA15      Phys.Rev. C50, 104 (1994)

P.Vaska, S.Bhattacharjee, D.B.Fossan, D.R.LaFosse, Y.Liang, H.Schnare, K.Starosta, M.P.Waring, I.Hibbert, R.Wadsworth, K.Hauschild, C.W.Beausang, S.Clarke, S.A.Forbes, P.J.Nolan, E.S.Paul, A.T.Semple, S.M.Mullins, H.Grawe, K.H.Maier

Neutron i13/2 Intruder Band in 139Sm

NUCLEAR REACTIONS 110Pd(34S, 5n), E=159 MeV; measured γγ-coin. 139Sm deduced high-spin levels, J, π, deformation parameters.

NUCLEAR STRUCTURE 139,137Sm, 141,139Gd; analyzed data; deduced dynamic moment of inertia, deformation parameters. Total Routhian surface, cranked shell model calculations.

doi: 10.1103/PhysRevC.50.104
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