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NSR database version of May 10, 2024.

Search: Author = U.Datta

Found 14 matches.

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


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
Citations: PlumX Metrics


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
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2021DA18      J.Phys.(London) G48, 125201 (2021)

U.Datta, A.Rahaman

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
Citations: PlumX Metrics


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


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


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
Citations: PlumX Metrics


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


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
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6265.


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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO2273. Data from this article have been entered in the XUNDL database. For more information, click here.


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


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
Citations: PlumX Metrics


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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