NSR Query Results
Output year order : Descending NSR database version of April 25, 2024. Search: Author = R.Chakrabarti Found 17 matches. 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
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
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
2019SI39 Nucl.Data Sheets 160, 405 (2019) B.Singh, M.S.Basunia, M.Martin, E.A.McCutchan, I.Bala, R.Caballero-Folch, R.Canavan, R.Chakrabarti, A.Chekhovska, M.M.Grinder, S.Kaim, D.Kanjilal, D.Kasperovych, M.J.Kobra, H.Koura, S.Nandi, A.Olacel, A.Singh, B.P.E.Tee Nuclear Data Sheets for A=218 COMPILATION 218Pb, 218Bi, 218Po, 218At, 218Rn, 218Fr, 218Ra, 218Ac, 218Th, 218Pa, 218U; compiled, evaluated nuclear structure data.
doi: 10.1016/j.nds.2019.100524
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
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
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
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
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
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
2014PA31 Phys.Rev. C 90, 014603 (2014) A.Parihari, S.Santra, A.Pal, N.L.Singh, K.Mahata, B.K.Nayak, R.Tripathi, K.Ramachandran, P.K.Rath, R.Chakrabarti, S.Kailas Fission fragment angular distributions in 6, 7Li + 235, 238U reactions NUCLEAR REACTIONS 235,238U(6Li, F), (7Li, F), E=28-42 MeV; measured fission fragment spectra, fission fragment σ(θ, E), fission and fusion σ(E), fission fragment anisotropies as a function of center of mass energy at 14 UD BARC-TIFR pelletron facility; deduced mean square angular momenta <L2> from fission fragment anisotropy. Comparison with statistical saddle-point model (SSPM), entrance-channel dependent (ECD), and coupled-channel (CCDEF code) calculations. Discussed effect of projectile breakup.
doi: 10.1103/PhysRevC.90.014603
2012MA21 Phys.Rev. C 85, 064303 (2012) P.J.R.Mason, T.Alharbi, P.H.Regan, N.Marginean, Zs.Podolyak, E.C.Simpson, N.Alkhomashi, P.C.Bender, M.Bowry, M.Bostan, D.Bucurescu, A.M.Bruce, G.Cata-Danil, I.Cata-Danil, R.Chakrabarti, D.Deleanu, P.Detistov, M.N.Erduran, D.Filipescu, U.Garg, T.Glodariu, D.Ghita, S.S.Ghugre, A.Kusoglu, R.Marginean, C.Mihai, M.Nakhostin, A.Negret, S.Pascu, C.Rodriguez Triguero, T.Sava, A.K.Sinha, L.Stroe, G.Suliman, N.V.Zamfir Half-life of the Iπ = 4- intruder state in 34P: M2 transition strengths approaching the island of inversion NUCLEAR REACTIONS 18O(18O, pn), E=36 MeV; measured Eγ, Iγ, γγ-coin, level half-life by γγ(t). 34P; deduced levels, J, π, B(M2), B(E3). Comparison with shell-model calculations.
doi: 10.1103/PhysRevC.85.064303
2012MA65 J.Phys.:Conf.Ser. 381, 012063 (2012) P.J.R.Mason, T.Alharbi, P.H.Regan, N.Marginean, Zs.Podolyak, N.Alkhomashi, P.C.Bender, M.Bowry, M.Bostan, D.Bucurescu, A.M.Bruce, G.Cata-Danil, I.Cata-Danil, R.Chakrabarti, D.Deleanu, P.Detistov, M.N.Erduran, D.Filipescu, U.Garg, T.Glodariu, D.Ghita, S.S.Ghugre, A.Kusoglu, R.Marginean, C.Mihai, M.Nakhostin, A.Negret, S.Pascu, C.Rodriguez Triguero, T.Sava, E.C.Simpson, A.K.Sinha, L.Stroe, G.Suliman, N.V.Zamfir Half-life of the Iπ = 4- Intruder State in 34P Using LaBr3:Ce Fast Timing NUCLEAR REACTIONS 18O(18O, np), E=36 MeV; measured Eγ, Iγ, γγ-coin using fast timing with LaBr3:Ce scintillators. 34P deduced 4- intruder state T1/2, B(M2).
doi: 10.1088/1742-6596/381/1/012063
2011CH54 Phys.Rev. C 84, 054325 (2011) R.Chakrabarti, S.Mukhopadhyay, R.Bhattacharjee, S.S.Ghugre, A.K.Sinha, A.Dhal, L.Chaturvedi, M.K.Raju, N.Madhavan, R.P.Singh, S.Muralithar, B.K.Yogi, U.Garg Structure of 32P at high spins NUCLEAR REACTIONS 18O(16O, np), E=34 MeV; measured Eγ, Iγ, γγ-coin, DCO ratio, linear polarization using Multiclover INGA array. 38Ar, 41Ca, 41K; measured Eγ, linear polarization; deduced mixing ratios, multipolarity. 32P; deduced levels, J, π, branching ratios, mixing ratios, multipolarities. Comparison of levels, J, π, B(M1), B(E2), B(E1), B(M2) with Monte Carlo shell-model calculations (MCSM).
doi: 10.1103/PhysRevC.84.054325
2009CH43 Phys.Rev. C 80, 034326 (2009) R.Chakrabarti, S.Mukhopadhyay, Krishichayan, A.Chakraborty, A.Ghosh, S.Ray, S.S.Ghugre, A.K.Sinha, L.Chaturvedi, A.Y.Deo, I.Mazumdar, P.K.Joshi, R.Palit, Z.Naik, S.Kumar, N.Madhavan, R.P.Singh, S.Muralithar, B.K.Yogi, U.Garg Experimental study of nuclei in the vicinity of the "island of inversion" through the fusion-evaporation reaction NUCLEAR REACTIONS 18O(18O, X)33P/34P/33S/34S, E=34 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ), DCO ratios, γ(lin pol). 33,34P, 33S, 34S; deduced levels, J, π, multipolarity, mixing ratios, bands, branching ratios, transition probabilities. Comparison with truncated shell model calculations in the sdpf valence space.
doi: 10.1103/PhysRevC.80.034326
2009DE20 Phys.Rev. C 79, 067304 (2009) A.Y.Deo, R.Palit, Z.Naik, S.Sihotra, S.Kumar, P.K.Joshi, I.Mazumdar, R.Chakrabarti, R.Kshetri, D.Mehta, H.C.Jain Structure of dipole bands in 106In NUCLEAR REACTIONS 78Se(32S, 3np), E=125 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ), γ(linear polarization). 106In; deduced levels, J, π, bands, and configurations. Comparisons with projected deformed Hartree-Fock calculations.
doi: 10.1103/PhysRevC.79.067304
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