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NSR database version of May 24, 2024.

Search: Author = S.Upadhyaya

Found 7 matches.

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2023CI03      Phys.Rev. C 108, 054611 (2023)

C.Ciampi, S.Piantelli, G.Casini, A.Ono, J.D.Frankland, L.Baldesi, S.Barlini, B.Borderie, R.Bougault, A.Camaiani, A.Chbihi, J.A.Duenas, Q.Fable, D.Fabris, C.Frosin, T.Genard, F.Gramegna, D.Gruyer, M.Henri, B.Hong, S.Kim, A.Kordyasz, T.Kozik, M.J.Kweon, N.Le Neindre, I.Lombardo, O.Lopez, T.Marchi, K.Mazurek, S.H.Nam, J.Park, M.Parlog, G.Pasquali, G.Poggi, A.Rebillard-Soulie, A.A.Stefanini, S.Upadhyaya, S.Valdre, G.Verde, E.Vient, M.Vigilante, for the INDRA-FAZIA Collaboration

Quasiprojectile breakup and isospin equilibration at Fermi energies: Potential indication of longer projectile-target contact times

doi: 10.1103/PhysRevC.108.054611
Citations: PlumX Metrics


2021CA04      Phys.Rev. C 103, 014605 (2021)

A.Camaiani, G.Casini, S.Piantelli, A.Ono, E.Bonnet, R.Alba, S.Barlini, B.Borderie, R.Bougault, C.Ciampi, A.Chbihi, M.Cicerchia, M.Cinausero, J.A.Duenas, D.Dell'Aquila, Q.Fable, D.Fabris, C.Frosin, J.D.Frankland, F.Gramegna, D.Gruyer, K.I.Hahn, M.Henri, B.Hong, S.Kim, A.Kordyasz, M.J.Kweon, H.J.Lee, J.Lemarie, N.LeNeindre, I.Lombardo, O.Lopez, T.Marchi, S.H.Nam, P.Ottanelli, M.Parlog, G.Pasquali, G.Poggi, J.Quicray, A.A.Stefanini, S.Upadhyaya, S.Valdre, E.Vient

Isospin diffusion measurement from the direct detection of a quasiprojectile remnant

NUCLEAR REACTIONS 40,48Ca(40Ca, X), (48Ca, X), E=35 MeV/nucleon; measured reaction products, particle spectra, N/Z of quasiprojectiles (QP) using FAZIA multitelescope array at the Superconducting Cyclotron facility of INFN-LNS-Catania; deduced isotopic identification of QP phase space, isospin transport ratio, isospin diffusion as a function of reaction centrality, comparison between QP evaporative and break-up channel. Comparison of the measured equilibration degree with model predictions using antisymmetrized molecular dynamics (AMD) coupled with statistical decay using GEMINI++ code.

doi: 10.1103/PhysRevC.103.014605
Citations: PlumX Metrics


2020CA24      Phys.Rev. C 102, 044607 (2020)

A.Camaiani, S.Piantelli, A.Ono, G.Casini, B.Borderie, R.Bougault, C.Ciampi, J.A.Duenas, C.Frosin, J.D.Frankland, D.Gruyer, N.LeNeindre, I.Lombardo, G.Mantovani, P.Ottanelli, M.Parlog, G.Pasquali, S.Upadhyaya, S.Valdre, G.Verde, E.Vient

Influence of fast emissions and statistical de-excitation on the isospin transport ratio

NUCLEAR REACTIONS 48,40Ca(48Ca, X), (40Ca, X), E=35 MeV/nucleon; analyzed experimental data from INDRA+VAMOS campaign, and FAZIA experiment; calculated neutron-to-proton ratio of the quasiprojectile (QP) as a function of the QP excitation energy, correlations between the neutron-to-proton ratio, symmetry energy of nuclear equation of state, isospin transport ratio. Estimation of the perturbation introduced by dynamical and statistical emissions on the measurement of neutron-proton equilibration via isospin transport ratio. Antisymmetrized molecular dynamics (AMD), and statistical decay (GEMINI and HIPSE).

doi: 10.1103/PhysRevC.102.044607
Citations: PlumX Metrics


2020PI03      Phys.Rev. C 101, 034613 (2020)

S.Piantelli, G.Casini, A.Ono, G.Poggi, G.Pastore, S.Barlini, A.Boiano, E.Bonnet, B.Borderie, R.Bougault, M.Bruno, A.Buccola, A.Camaiani, A.Chbihi, M.Cicerchia, M.Cinausero, M.D'Agostino, M.Degerlier, J.A.Duenas, Q.Fable, D.Fabris, J.D.Frankland, C.Frosin, F.Gramegna, D.Gruyer, M.Henri, A.Kordyasz, T.Kozik, N.Le Neindre, I.Lombardo, O.Lopez, G.Mantovani, T.Marchi, L.Morelli, A.Olmi, P.Ottanelli, M.Parlog, G.Pasquali, A.A.Stefanini, G.Tortone, S.Upadhyaya, S.Valdre, G.Verde, E.Vient, M.Vigilante, R.Alba, C.Maiolino

Dynamical fission of the quasiprojectile and isospin equilibration for the system 80Kr 48Ca at 35 MeV/nucleon

NUCLEAR REACTIONS 12C, 48Ca(80Kr, X), E=35 MeV/nucleon; measured reaction products, (fragment)(fragment)-coin using FAZIA blocks of 16 three-layer silicon-CsI(Tl) telescopes at the CS cyclotron facility of INFN-LNS, Catania, as FAZIA Collaboration; deduced velocity, charge and isotopic distributions of fragments, and fragment isospin asymmetry. Comparison with antisymmetrized molecular dynamics (AMD) model calculations, coupled to the GEMINI code to determine quasiparticle breakup timescales.

doi: 10.1103/PhysRevC.101.034613
Citations: PlumX Metrics


2018PA06      Phys.Rev. C 97, 014607 (2018)

V.V.Parkar, SushilK.Sharma, R.Palit, S.Upadhyaya, A.Shrivastava, S.K.Pandit, K.Mahata, V.Jha, S.Santra, K.Ramachandran, T.N.Nag, P.K.Rath, B.Kanagalekar, T.Trivedi

Investigation of complete and incomplete fusion in the 7Li + 124Sn reaction near Coulomb barrier energies

NUCLEAR REACTIONS 124Sn(7Li, 8Li), (7Li, 6Li), (7Li, 3n), (7Li, 4n), (7Li, 5n), (t, n), (t, 2n), (t, 3n), 123mSn/125Sn/125mSn/124Sb/125Sb/125Sb/126mSb/126I/128I, E(7Li)=17-39 MeV, [triton from 7Li breakup]; measured on-line and off-line Eγ, Iγ, σ(E) for 2n+3n+4n, complete fusion σ(E), total fusion σ(E), incomplete fusion σ(E) for 1n-stripping and 1n-pickup channels at the 14UD BARC-TIFR Pelletron-Linac accelerator facility, Mumbai. Comparison with theoretical calculations of σ(E) using CCFULL code, and continuum discretized coupled channel (CDCC) formalism. 125m,128I; measured decay curves and half-lives.

doi: 10.1103/PhysRevC.97.014607
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6337.


2018PA24      Phys.Rev. C 98, 014601 (2018)

V.V.Parkar, S.K.Pandit, A.Shrivastava, R.Palit, K.Mahata, V.Jha, K.Ramachandran, S.Gupta, S.Santra, S.K.Sharma, S.Upadhyaya, T.N.Nag, S.Bhattacharya, T.Trivedi, S.Kailas

Fusion reaction studies for the 6Li + 124Sn system at near-barrier energies

NUCLEAR REACTIONS 124Sn(6Li, X)126I/127I/123Sn/125Sn/125Sb/124Sb/127Te/126Te, E=17.5-35.7 MeV; 159Tb(6Li, X)160Ho/162Ho, E=23.7-33.8 MeV; measured Eγ, Iγ, σ(E) for evaporation residues, complete, incomplete and total fusion (CF, ICF, TF), transfer and capture reactions by online and offline activation methods at the BARC-TIFR Pelletron-Linac facility. Comparison with previous experimental incomplete fusion σ for 209Bi, 197Au, 159Tb, 124Sn(7Li, X), (6Li, X) reactions, and with statistical model and coupled channel calculations using PACE and CCFULL codes.

doi: 10.1103/PhysRevC.98.014601
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6342.


1982UP01      Indian J.Phys. 56A, 65 (1982)

S.N.Upadhyaya

Study of Particle Scattering in a Modified Coulomb Field

NUCLEAR REACTIONS 27Al(p, p), E=180 MeV; calculated σ(θ). Modified Coulomb field, Regge pole method.

ATOMIC PHYSICS He(e, e), E(cm)=500 eV; calculated σ(θ). Modified Coulomb field, Regge pole method.


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Note: The following list of authors and aliases matches the search parameter S.Upadhyaya: , S.N.UPADHYAYA