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NSR database version of April 11, 2024.

Search: Author = S.Dubey

Found 9 matches.

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

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
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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 ^239,241Pu(n, F)⁸⁹Se/⁸⁹Br/⁹⁰Br/⁹¹Br/⁸⁹Kr/⁹⁰Kr/⁹¹Kr/⁹²Kr/⁹³Kr/⁹⁴Kr/⁹⁵Kr/⁸⁹Rb/⁹⁰Rb/⁹¹Rb/⁹²Rb/⁹³Rb/⁹⁴Rb/⁹⁵Rb/⁹⁶Rb/⁹⁷Rb/⁹⁰Sr/⁹¹Sr/⁹²Sr/⁹³Sr/⁹⁴Sr/⁹⁵Sr/⁹⁶Sr/⁹⁷Sr/⁹⁸Sr/⁹⁹Sr/¹⁰⁰Sr/⁹³Y/⁹⁴Y/⁹⁵Y/⁹⁶Y/⁹⁷Y/⁹⁸Y/⁹⁹Y/¹⁰⁰Y/¹⁰¹Y/¹⁰²Y/⁹⁶Zr/⁹⁷Zr/⁹⁸Zr/⁹⁹Zr/¹⁰⁰Zr/¹⁰¹Zr/¹⁰²Zr/¹⁰³Zr/¹⁰⁴Zr/¹⁰⁵Zr/⁹⁸Nb/⁹⁹Nb/¹⁰⁰Nb/¹⁰¹Nb/¹⁰²Nb/¹⁰³Nb/¹⁰⁴Nb/¹⁰⁵Nb/¹⁰⁶Nb/¹⁰¹Mo/¹⁰²Mo/¹⁰³Mo/¹⁰⁴Mo/¹⁰⁵Mo/¹⁰⁶Mo/¹⁰⁷Mo/¹⁰⁸Mo/¹⁰⁹Mo/¹⁰⁴Tc/¹⁰⁵Tc/¹⁰⁶Tc/¹⁰⁷Tc/¹⁰⁸Tc/¹⁰⁹Tc/¹¹⁰Tc/¹¹¹Tc/¹¹²Tc/¹⁰⁶Ru/¹⁰⁷Ru/¹⁰⁸Ru/¹⁰⁹Ru/¹¹⁰Ru/¹¹¹Ru/¹¹²Ru/¹⁰⁹Rh/¹¹⁰Rh/¹¹¹Rh/¹¹²Rh/¹¹²Pd/¹¹³Rh/¹¹³Pd, 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 ^239,241Pu. Comparison with previous experimental data.

doi: 10.1103/PhysRevC.104.034621
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23780.

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 ⁹²Rb and ⁹⁶Y yields for thermal-neutron-induced fission of ²³⁵U and ^{239, 241}Pu determined using calorimetric low-temperature detectors

NUCLEAR REACTIONS ²³⁵U, ^239,241Pu(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 ⁹²Rb, ⁹²Sr, ⁹²Kr, ⁹⁶Rb, ⁹⁶Sr, ⁹⁶Y and ⁹⁶Zr, 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 ⁹²Rb β^- decay to ⁹²Sr ground-state in the context of discrepancies between previous measurements for fission yields.

doi: 10.1103/PhysRevC.102.044602
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23763.

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
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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
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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 + 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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6347.

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 + 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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6273.

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 + 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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6234.