NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = U.Datta Found 14 matches. 2023DA19 Phys.Rev. C 108, 064304 (2023) P.Das, U.Datta, S.Chakraborty, A.Rahaman, O.Tengblad, B.K.Agrawal, A.Becerril, J.Cederkall, J.Dey, A.Gottberg, S.M.Adil Imam, M.Kowalska, J.Kurcewicz, M.Lund, S.Mandal, M.Madurga, N.Marginean, R.Marginean, C.Mihai, I.Marroquin, E.Nacher, A.Negret, S.Pascu, A.Perea, E.Rapisarda, F.Rotaru, J.Ray, P.Sharma, T.Stora, C.Sotty, V.Vedia, N.Warr, R.Wadsworth Exotic decay of 115Cs
doi: 10.1103/PhysRevC.108.064304
2023GH04 Eur.Phys.J. A 59, 266 (2023) T.Ghosh, Sangeeta, G.Saxena, B.K.Agrawal, U.Datta Impact of density dependence of symmetry energy on astrophysical S-factor for heavy-ion fusion reactions NUCLEAR STRUCTURE 16,24O, 40,48,54,60Ca, 78Ni, 124,132Sn; analyzed available data; deduced Radial density distributions for neutrons and protons from SLy4 and SkO Skyrme effective interactions. NUCLEAR REACTIONS 40Ca(40Ca, X), 16O(16O, X), 24O(24O, X), 54Ca(54Ca, X), 60Ca(60Ca, X), 78Ni(78Ni, X), 124Sn(124Sn, X), 132Sn(132Sn, X), E(cm)=45-50 MeV; analyzed available data; deduced σ, the maximum barrier height and width obtained by DFM potentials M3Y-Paris without density dependence (PDD0), sub-barrier fusion σ and astrophysical S-factor. Comparison with available data.
doi: 10.1140/epja/s10050-023-01173-7
2021BH12 Phys.Rev. C 104, 045801 (2021) A.Bhattacharyya, U.Datta, A.Rahaman, S.Chakraborty, T.Aumann, S.Beceiro Novo, K.Boretzky, C.Caesar, B.V.Carlson, W.N.Catford, M.Chartier, D.Cortina-Gil, P.Das, G.D.Angelis, P.Diaz Fernandez, H.Emling, H.Geissel, D.Gonzalez-Diaz, M.Heine, H.Johansson, B.Jonson, N.Kalantar-Nayestanaki, T.Kroll, R.Krucken, J.Kurcewicz, C.Langer, T.Le Bleis, Y.Leifels, J.Marganiec, G.Munzenberg, T.Nilsson, C.Nociforo, V.Panin, S.Paschalis, R.Plag, R.Reifarth, M.V.Ricciardi, C.Rigollet, D.Rossi, C.Scheidenberger, H.Scheit, H.Simon, Y.Togano, S.Typel, Y.Utsuno, A.Wagner, F.Wamers, H.Weick, J.S.Winfield Neutron capture cross sections of light neutron-rich nuclei relevant for r-process nucleosynthesis NUCLEAR REACTIONS 208Pb, 12C(29Na, X), (30Na, X), (33Mg, X), (35Al, X), E=410-430 MeV/nucleon, [secondary 29,30Na, 33Mg, 35Al beams from fragmentation of 540 MeV/nucleon 40Ar beam, followed by separation of ions of interest using the FRS-ALADIN-LAND apparatus at GSI]; measured reaction products, Eγ, Iγ, invariant mass spectra in coincidence with the sum energy of γ rays in different energy ranges using an array of 162 NaI(Tl) detectors for γ rays emitted from the excited core of the projectiles after Coulomb dissociation; deduced number of E1 type virtual photons from Coulomb, invariant mass spectra of breakup of incident beams into 28Na, 29Na, 32Mg and 34Al and one neutron in each case, and analyzed using direct breakup model. 29Na, 30Na, 33Mg, (γ, n), E*=2-16 MeV; 35Al(γ, n), E*=5-20 MeV, virtual photons from Coulomb breakup of incident beams; deduced photoabsorption σ(E) as function of excitation energy. 28,29Na, 32Mg, 34Al(n, γ), E<13 MeV; deduced neutron capture σ(E) using the photoabsorption cross sections. 28,29Na, 32Mg, 34Al(n, γ), T9=0.01-100; deduced astrophysical total reaction rates at the onset and at the end of the r-process. 14C(n, γ), E(cm)=10-1000 keV; analyzed previous experimental cross section data, and compared with theoretical calculations. 29,30Na, 33Mg, 35Al; deduced spectroscopic factors for the occupied orbitals of valence neutron(s) in the ground states from Coulomb breakup cross sections, and compiled previous experimental spectroscopic factors. Relevance to neutrino-driven wind model of core-collapse supernovae, and r-process nucleosynthesis.
doi: 10.1103/PhysRevC.104.045801
2021DA18 J.Phys.(London) G48, 125201 (2021) Evidence of sterile neutrino from endpoint analysis of β-spectrum RADIOACTIVITY 138La(β-); analyzed available data; deduced an anomaly around the endpoint of the measured β spectrum of second unique forbidden transition, sterile neutrino mass limits.
doi: 10.1088/1361-6471/ac2397
2021KA31 Int.J.Mod.Phys. E30, 2150053 (2021) S.Kalkal, S.Mandal, N.Madhavan, A.Jhingan, S.Nath, E.Prasad, R.Sandal, S.Goyal, M.Saxena, G.Mohanto, S.Verma, B.R.Behera, S.Kumar, U.Datta, A.K.Sinha, R.Singh, S.Noor Ground state and excited state multinucleon transfer channels in interactions of 28Si with 90, 94Zr in near barrier region NUCLEAR REACTIONS 90,94Zr(28Si, X), E=95.5 MeV; measured reaction products; deduced ground and excited states transfer reaction yields.
doi: 10.1142/S0218301321500531
2018BR04 Phys.Lett. B 778, 155 (2018) J.Bradt, Y.Ayyad, D.Bazin, W.Mittig, T.Ahn, S.Beceiro Novo, B.A.Brown, L.Carpenter, M.Cortesi, M.P.Kuchera, W.G.Lynch, S.Rost, N.Watwood, J.Yurkon, J.Barney, U.Datta, J.Estee, A.Gillibert, J.Manfredi, P.Morfouace, D.Perez-Loureiro, E.Pollacco, J.Sammut, S.Sweany Study of spectroscopic factors at N = 29 using isobaric analogue resonances in inverse kinematics NUCLEAR REACTIONS 1H(46Ar, X), E<140 MeV/nucleon; measured reaction products, Ep, Ip. 46,47Ar, 47K; deduced energy levels, J, π, resonance widths. Comparison with R-matrix calculations.
doi: 10.1016/j.physletb.2018.01.015
2017CH36 Phys.Rev. C 96, 034301 (2017) S.Chakraborty, U.Datta, T.Aumann, S.Beceiro Novo, K.Boretzky, C.Caesar, B.V.Carlson, W.N.Catford, M.Chartier, D.Cortina-Gil, G.De Angelis, P.Diaz Fernandez, H.Emling, O.Ershova, L.M.Fraile, H.Geissel, D.Gonzalez-Diaz, H.Johansson, B.Jonson, N.Kalantar-Nayestanaki, T.Kroll, R.Krucken, C.Langer, T.Le Bleis, Y.Leifels, J.Marganiec, G.Munzenberg, M.A.Najafi, T.Nilsson, C.Nociforo, V.Panin, R.Plag, A.Rahaman, R.Reifarth, M.V.Ricciardi, C.Rigollet, D.Rossi, C.Scheidenberger, H.Scheit, H.Simon, J.T.Taylor, Y.Togano, S.Typel, Y.Utsuno, A.Wagner, F.Wamers, H.Weick, J.S.Winfield Ground-state configuration of neutron-rich 35Al via Coulomb breakup NUCLEAR REACTIONS C, Pb(35Al, 34Al), E=403 MeV/nucleon, [secondary 35Al beam from fragmentation of 531 MeV/nucleon 40Ar primary beam followed by separation of reaction products using FRS separator at GSI]; measured four-momenta of the projectile, fragments, and other decay products such as fragments, neutrons, and γ rays after secondary reaction using Large Area Neutron Detector for neutrons and Crystal Ball array of NaI(Tl) detectors for γ detection at GSI; deduced inclusive differential Coulomb dissociation (CD) cross section of 35Al breaking up into a neutron and 34Al fragment in its ground state and isomer. 34Al; deduced levels, Coulomb dissociation σ, spectroscopic factors. 35Al; deduced J, π, configurations, spectroscopic factor for the ground state.
doi: 10.1103/PhysRevC.96.034301
2017RA03 J.Phys.(London) G44, 045101 (2017) A.Rahaman, U.Datta, T.Aumann, S.Beceiro Novo, K.Boretzky, C.Caesar, B.V.Carlson, W.N.Catford, S.Chakraborty, M.Chartier, D.Cortina-Gil, G.De Angelis, P.Diaz Fernandez, H.Emling, O.Ershova, L.M.Fraile, H.Geissel, D.Gonzalez-Diaz, H.Johansson, B.Jonson, N.Kalantar-Nayestanaki, T.Kroll, R.Krucken, J.Kurcewicz, C.Langer, T.Le Bleis, Y.Leifels, J.Marganiec, G.Munzenberg, M.A.Najafi, T.Nilsson, C.Nociforo, V.Panin, S.Paschalis, R.Plag, R.Reifarth, M.V.Ricciardi, C.Rigollet, D.Rossi, C.Scheidenberger, H.Scheit, H.Simon, J.T.Taylor, Y.Togano, S.Typel, V.Volkov, A.Wagner, F.Wamers, H.Weick, M.Weigand, J.S.Winfield, D.Yakorev, M.Zoric Coulomb breakup of neutron-rich 29, 30Na isotopes near the island of inversion NUCLEAR REACTIONS 208Pb(29Na, n), (30Na, n), E=400-430 MeV/nucleon; measured reaction products, Eγ, Iγ. 28,29Na; deduced σ, J, π, spectroscopic factors. Comparison with available data.
doi: 10.1088/1361-6471/aa594d
2016DA06 Phys.Rev. C 94, 034304 (2016) U.Datta, A.Rahaman, T.Aumann, S.Beceiro Novo, K.Boretzky, C.Caesar, B.V.Carlson, W.N.Catford, S.Chakraborty, M.Chartier, D.Cortina-Gil, G.de Angelis, P.Diaz Fernandez, H.Emling, O.Ershova, L.M.Fraile, H.Geissel, D.Gonzalez-Diaz, B.Jonson, H.Johansson, N.Kalantar-Nayestanaki, T.Kroll, R.Krucken, J.Kurcewicz, C.Langer, T.Le Bleis, Y.Leifels, J.Marganiec, G.Munzenberg, M.A.Najafi, T.Nilsson, C.Nociforo, V.Panin, S.Paschalis, R.Plag, R.Reifarth, V.Ricciardi, D.Rossi, H.Scheit, C.Scheidenberger, H.Simon, J.T.Taylor, Y.Togano, S.Typel, V.Volkov, A.Wagner, F.Wamers, H.Weick, M.Weigand, J.S.Winfield, D.Yakorev, M.Zoric Direct experimental evidence for a multiparticle-hole ground state configuration of deformed 33Mg NUCLEAR REACTIONS 12C, 208Pb(33Mg, 32Mg), E=400 MeV/nucleon, [33Mg secondary beam produced in fragmentation of 540 MeV/nucleon 40Ar beam]; measured reaction products, Eγ, Iγ, (33Mg)γ-coin, partial and total inclusive Coulomb dissociation (CD) cross sections for breakup of 33Mg into n+32Mg using FRS-ALADIN-LAND arrangement at GSI facility 32Mg; deduced levels, spectroscopic factors. 33Mg; deduced multiparticle-hole ground state configuration, and occupancy by valence neutrons by s and p orbitals.
doi: 10.1103/PhysRevC.94.034304
2016SH19 Nucl.Phys. A953, 80 (2016) Md.M.Shaikh, M.Das, S.Roy, M.Sinha, M.K.Pradhan, P.Basu, U.Datta, K.Ramachandran, A.Shrivastava Threshold behavior of interaction potential for the system 7Li + 64Ni: Comparison with 6Li + 64Ni NUCLEAR REACTIONS 64Ni(7Li, x), (7Li, 7Li), E=12, 14.3, 15, 16, 19.3, 26.4 MeV; measured reaction product particles using telescopes with Si surface barrier detectors; deduced σ, σ(ELi), σ(θ); calculated σ, σ(ELi), σ(θ) using optical model; deduced energy dependence of OM imaginary potential. Compared with data from 6Li-induced reaction.
doi: 10.1016/j.nuclphysa.2016.04.035
2015SA11 Eur.Phys.J. A 51, 25 (2015) S.Sambi, R.Raabe, M.J.G.Borge, M.Caamano, S.Damoy, B.Fernandez-Dominguez, F.Flavigny, H.Fynbo, J.Gibelin, G.F.Grinyer, A.Heinz, B.Jonson, M.Khodery, T.Nilsson, R.Orlandi, J.Pancin, D.Perez-Loureiro, G.Randisi, G.Ribeiro, T.Roger, D.Suzuki, O.Tengblad, R.Thies, U.Datta 12C+p resonant elastic scattering in the Maya active target NUCLEAR REACTIONS 1H(12C, 12C), E(cm)=0.3-3.0 MeV (above proton breakup threshold in 13N); measured recoil Ep, Ip(θ) using active target Maya; deduced proton spectra, resonances.
doi: 10.1140/epja/i2015-15025-0
2015SE17 Phys.Rev. C 92, 064307 (2015) K.Selvakumar, A.K.Singh, C.Ghosh, P.Singh, A.Goswami, R.Raut, A.Mukherjee, U.Datta, P.Datta, S.Roy, G.Gangopadhyay, S.Bhowal, S.Muralithar, R.Kumar, R.P.Singh, M.K.Raju Evidence for octupole correlation and chiral symmetry breaking in 124Cs NUCLEAR REACTIONS 96Zr(32S, 3np), E=140 MeV; measured Eγ, Iγ, γγ-coin, branching ratios, level half-lives by DSAM using INGA array at Pelletron accelerator at IUAC-New Delhi. 124Cs; deduced high-spin levels, J, π, bands, B(E2), B(M1), B(E1), B(M1)/B(E2) ratios, chiral-partner bands. Comparison with particle-rotor model, and triaxial projected shell model calculations. Comparison of B(M1) and B(E2) rates, and energy separations in chiral partner bands with those in 126,128Cs.
doi: 10.1103/PhysRevC.92.064307
2012GH03 Phys.Scr. 85, 065205 (2012) D.Ghosh, A.Deb, S.Bhattacharyya, U.Datta Multiplicity dependence of entropy in different rapidity bins in high-energy nucleus-nucleus interactions
doi: 10.1088/0031-8949/85/06/065205
2002OZ03 Nucl.Phys. A709, 60 (2002); Erratum Nucl.Phys. A727, 465 (2003) A.Ozawa, T.Baumann, L.Chulkov, D.Cortina, U.Datta, J.Fernandez, H.Geissel, F.Hammache, K.Itahashi, M.Ivanov, R.Janik, T.Kato, K.Kimura, T.Kobayashi, K.Markenroth, M.Meister, G.Munzenberg, T.Ohtsubo, S.Ohya, T.Okuda, A.A.Ogloblin, V.Pribora, M.Sekiguchi, B.Sitar, P.Strmen, S.Sugimoto, K.Summerer, T.Suzuki, I.Tanihata, Y.Yamaguchi Measurements of the Interaction Cross Sections for Ar and Cl Isotopes NUCLEAR REACTIONS C(31Ar, X), (32Ar, X), (33Ar, X), (34Ar, X), (35Ar, X), (36Ar, X), (37Ar, X), (38Ar, X), (39Ar, X), (40Ar, X), (31Cl, X), (32Cl, X), (33Cl, X), (34Cl, X), (35Cl, X), (36Cl, X), (37Cl, X), E ≈ 950 MeV/nucleon; measured interaction and inelastic σ.31,32,33,34,35,36,37,38,39,40Ar, 31,32,33,34,35,36,37Cl deduced effective radii. 32,33,34,35,36,37,38,39,40Ar deduced proton skin features.
doi: 10.1016/S0375-9474(02)01071-0
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