NSR Query Results
Output year order : Descending NSR database version of May 24, 2024. Search: Author = S.Dubey Found 9 matches. 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, ^{28}Si NUCLEAR REACTIONS ^{90}Zr(^{28}Si, ^{28}Si), E=70-102 MeV; measured reaction products. ^{28}Si; 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
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 ^{232}Th(^{16}O, F)^{4}H, 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
2021DU19 Phys.Rev. C 104, 034621 (2021) S.Dubey, A.Echler, P.Egelhof, P.Grabitz, W.Lauterfeld, M.Mutterer, S.Stolte, A.Blanc, U.Koster, O.Serot, G.Kessedjian, S.Kraft-Bermuth, P.Scholz, S.Bishop, J.M.Gomez-Guzman, F.Gonnenwein Isotopic distributions of thermal-neutron-induced fission fragments of near-symmetric fission of ^{239, 241}Pu determined using calorimetric low-temperature detectors NUCLEAR REACTIONS ^{239,241}Pu(n, F)^{89}Se/^{89}Br/^{90}Br/^{91}Br/^{89}Kr/^{90}Kr/^{91}Kr/^{92}Kr/^{93}Kr/^{94}Kr/^{95}Kr/^{89}Rb/^{90}Rb/^{91}Rb/^{92}Rb/^{93}Rb/^{94}Rb/^{95}Rb/^{96}Rb/^{97}Rb/^{90}Sr/^{91}Sr/^{92}Sr/^{93}Sr/^{94}Sr/^{95}Sr/^{96}Sr/^{97}Sr/^{98}Sr/^{99}Sr/^{100}Sr/^{93}Y/^{94}Y/^{95}Y/^{96}Y/^{97}Y/^{98}Y/^{99}Y/^{100}Y/^{101}Y/^{102}Y/^{96}Zr/^{97}Zr/^{98}Zr/^{99}Zr/^{100}Zr/^{101}Zr/^{102}Zr/^{103}Zr/^{104}Zr/^{105}Zr/^{98}Nb/^{99}Nb/^{100}Nb/^{101}Nb/^{102}Nb/^{103}Nb/^{104}Nb/^{105}Nb/^{106}Nb/^{101}Mo/^{102}Mo/^{103}Mo/^{104}Mo/^{105}Mo/^{106}Mo/^{107}Mo/^{108}Mo/^{109}Mo/^{104}Tc/^{105}Tc/^{106}Tc/^{107}Tc/^{108}Tc/^{109}Tc/^{110}Tc/^{111}Tc/^{112}Tc/^{106}Ru/^{107}Ru/^{108}Ru/^{109}Ru/^{110}Ru/^{111}Ru/^{112}Ru/^{109}Rh/^{110}Rh/^{111}Rh/^{112}Rh/^{112}Pd/^{113}Rh/^{113}Pd, E=thermal; measured particle energies, and isotopic distributions for the light fission fragments in A=89-112, Z=36-45 asymmetric to symmetric fission region using calorimetric low-temperature detectors (CLTDs) and the LOHENGRIN spectrometer of the ILL, Grenoble high flux reactor; deduced fractional independent yields, independent yields, charge polarization as a function of the secondary mass, local proton odd-even effect versus nuclear charge number Z, virtual shell effect near Z=44, in analogy to the effect of the Z=50 shell in the complementary heavy fragment group of ^{239,241}Pu. Comparison with previous experimental data.
doi: 10.1103/PhysRevC.104.034621
2020DU13 Phys.Rev. C 102, 044602 (2020) S.Dubey, A.Echler, P.Egelhof, P.Grabitz, W.Lauterfeld, M.Mutterer, S.Stolte, A.Blanc, U.Koster, O.Serot, G.Kessedjian, S.Kraft-Bermuth, P.Scholz, F.Gonnenwein Precise ^{92}Rb and ^{96}Y yields for thermal-neutron-induced fission of ^{235}U and ^{239, 241}Pu determined using calorimetric low-temperature detectors NUCLEAR REACTIONS ^{235}U, ^{239,241}Pu(n, F), E=thermal neutrons from high-flux reactor at ILL-Grenoble; measured fission fragments using the LOHENGRIN mass spectrometer; deduced fractional independent yields per A=92 and A=96, independent yields per fission of A=92 and 96 isotopes of ^{92}Rb, ^{92}Sr, ^{92}Kr, ^{96}Rb, ^{96}Sr, ^{96}Y and ^{96}Zr, and cumulative yields. Comparison with previous experimental results, and with data in evaluated libraries: JENDL-4.0, JEFF-3.3, and ENDF/B-VIII.0, and with GEF theoretical calculations. Relevance to reducing nuclear data uncertainties in the computation of reactor antineutrino spectra by the summation method. Discussed problem of ^{92}Rb β^{-} decay to ^{92}Sr ground-state in the context of discrepancies between previous measurements for fission yields.
doi: 10.1103/PhysRevC.102.044602
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 ^{94}Mo(^{16}O, X)^{110}Sn^{*}, E=55, 60, 70, 75, 80 MeV; ^{100}Mo(^{16}O, X)^{116}Sn^{*}, 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
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 ^{28}Si + ^{197}Au reaction NUCLEAR REACTIONS ^{197}Au(^{28}Si, 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. ^{225}Np; calculated potential energy surface (PES). Discussed role of quasifission process in fission fragment mass distribution.
doi: 10.1103/PhysRevC.99.041602
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, 13}C + ^{232}Th fission reactions NUCLEAR REACTIONS ^{232}Th(^{12}C, F), (^{13}C, 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 ^{8}Be into two α particles.
doi: 10.1103/PhysRevC.98.041601
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, 11}B + ^{232}Th systems at near-barrier energies NUCLEAR REACTIONS ^{232}Th(^{11}B, ^{11}B'), (^{11}B, X), E=52, 53, 54, 55, 56, 57, 59, 61, 65 MeV; ^{232}Th(^{10}B, ^{10}B'), (^{10}B, 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 ^{12,13}C, ^{9,10}Be, ^{6,7}Li, 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
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, 7}Li + ^{232}Th systems NUCLEAR REACTIONS ^{232}Th(^{6}Li, ^{6}Li), (^{7}Li, ^{7}Li), E=24, 26, 30, 32, 35, 40, 44 MeV; measured scattered ^{6,7}Li 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 ^{6}Li scattering. Discussed role of projectile breakup on reaction mechanism.
doi: 10.1103/PhysRevC.89.014610
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