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NSR database version of May 10, 2024.

Search: Author = A.Samana

Found 15 matches.

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2023DO10      Eur.Phys.J. A 59, 260 (2023)

M.dos Santos, A.R.Samana, S.B.Duarte, C.A.Barbero

Neutral-current neutrino-nucleus scattering within QRPA models

doi: 10.1140/epja/s10050-023-01171-9
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2023MO06      Eur.Phys.J. A 59, 31 (2023)

M.Mohammadzadeh, H.Khalili, A.R.Samana, M.dos Santos, C.A.Barbero, S.B.Duarte

Neutrino and Antineutrino captures on ¹⁸O within QRPA models

NUCLEAR REACTIONS ¹⁸O(ν, e^-), (ν, e⁺), E<14 MeV; calculated σ within the Quasiparticle Random Phase Approximation (QRPA) and Projected QRPA (PQRPA) models. Comparison with available data.

doi: 10.1140/epja/s10050-023-00944-6
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2020FE03      Phys.Rev. C 101, 044314 (2020)

V.dosS.Ferreira, A.R.Samana, F.Krmpotic, M.Chiapparini

Nuclear structure model for double-charge-exchange processes

RADIOACTIVITY ⁴⁸Ca(2β^-); ⁹⁶Ru(2EC); calculated neutron and proton mean field single-particle energies, nuclear matrix elements (NMEs), half-lives and Q-values for two-neutrino double-beta decay mode, Fermi and Gamow-Teller double-charge exchange (DCE) transition strength distributions using a nuclear structure model involving (pn, 2p2n)-QTDA excitations on the BCS mean field. ⁴⁸Ca, ⁴⁸Ti, ⁹⁶Ru, ⁹⁶Mo; calculated levels, J, π. Comparison with available experimental values.

doi: 10.1103/PhysRevC.101.044314
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2018PO11      Braz.J.Phys. 48, 485 (2018)

D.N.Possidonio, R.C.Ferreira, A.J.Dimarco, C.A.Barbero, A.R.Samana, M.R.Azevedo, C.L.Santana, A.E.Mariano

Influence of the Axial-Vector Coupling Constant and the Energy Distribution Function on β-Decay Rates Within the Gross Theory of Beta Decay

doi: 10.1007/s13538-018-0564-x
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2018TU10      J.Phys.(London) G45, 115103 (2018)

O.Tumbarell, F.Guzman, F.G.Velasco, J.L.Bernal-Castillo, O.Rodriguez, A.Samana, E.Andrade II, A.Deppman

Calculation of the Coulomb barrier and the level density parameter at the fission saddle point in spallation nuclear reactions

NUCLEAR REACTIONS ²⁰⁸Pb, ²³⁸U(p, X), E=1 GeV; calculated average values of the number of emitted particles as a function of the excitation energy of the initial residual nuclei, kinetic energy distribution of the emitted particles, considering fission.

doi: 10.1088/1361-6471/aae3d7
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2017DO11      Phys.Rev. C 96, 044322 (2017)

V.dos Santos Ferreira, F.Krmpotic, C.A.Barbero, A.R.Samana

Partial restoration of spin-isospin SU(4) symmetry and the one-quasiparticle random-phase approximation method in double-β decay

RADIOACTIVITY ⁴⁸Ca, ⁷⁶Ge, ⁸²Se, ⁹⁶Zr, ¹⁰⁰Mo, ^128,130Te, ¹⁵⁰Nd(2β^-); calculated matrix elements and half-lives for 2νββ and 0νββ decay modes. Comparison with available experimental data, and other theoretical calculations. Proton-neutron quasiparticle random-phase approximation (pn-QRPA) calculations, within the framework of partial restoration of SU(4) symmetry.

doi: 10.1103/PhysRevC.96.044322
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2017VA26      Phys.Rev. C 96, 054606 (2017)

D.Vargas, A.R.Samana, F.G.Velasco, O.R.Hoyos, F.Guzman, J.L.Bernal-Castillo, E.Andrade II, R.Perez, A.Deppman, C.A.Barbero, A.E.Mariano

Nuclear medium effects in muonic neutrino interactions with energies from 0.2 to 1.5 GeV

NUCLEAR REACTIONS ²H, ¹²C, ¹⁶O, ²⁷Al, ⁴⁰Ar, ⁵⁶Fe, ²⁰⁸Pb(ν, X), E=0.2-1.5 GeV; calculated σ(E) data, energy distributions for π⁺ and μ^- spectra in the framework of Monte Carlo calculation in the intranuclear cascade model. Comparison with experimental data.

doi: 10.1103/PhysRevC.96.054606
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2011SA04      Phys.Rev. C 83, 024303 (2011)

A.R.Samana, F.Krmpotic, N.Paar, C.A.Bertulani

Neutrino and antineutrino charge-exchange reactions on ¹²C

NUCLEAR STRUCTURE ¹²B, ¹²N; calculated ground state energies, GT-B values, weak-interaction properties of ground states. QRPA and Projected quasiparticle random phase approximation (QRPA).

NUCLEAR REACTIONS ¹²C(ν, e^-)¹²N, E=0-600 MeV; ¹²C(ν-bar, e⁺)¹²B, E=0-600 MeV; calculated exclusive and inclusive cross sections, sum rule, muon capture transition rates. Astrophysical significance to supernova neutrino spectra. QRPA and PQRPA models. Comparison with experimental data.

doi: 10.1103/PhysRevC.83.024303
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2008BA41      Phys.Rev. C 78, 044324 (2008)

C.Barbero, A.Mariano, A.Samana

Shell model formalism for all hypernuclei types: A guide to solving the nonmesonic weak decay puzzle

NUCLEAR STRUCTURE ^4,5He, ¹¹B, ¹²C, ^16,17O, ²⁸Si; calculated weak decay rates, intrinsic asymmetry parameter for hypernuclei. Independent particle shell model. Comparison with experimental data.

doi: 10.1103/PhysRevC.78.044324
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2008SA33      Phys.Rev. C 78, 024312 (2008)

A.R.Samana, C.A.Bertulani

Detection of supernova neutrinos with neutrino-iron scattering

NUCLEAR REACTIONS ⁵⁶Fe(ν, e^-)⁵⁶Co; calculated σ. Projected quasiparticle random phase approximation.

doi: 10.1103/PhysRevC.78.024312
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2007SA50      Nucl.Phys. A791, 36 (2007)

A.R.Samana, T.Tarutina, F.Krmpotic, M.S.Hussein, T.T.S.Kuo

Pairing correlations in odd-mass carbon isotopes and effect of Pauli principle in particle-core coupling in ¹³C and ¹¹Be

NUCLEAR STRUCTURE ¹¹Be, ^13,15,17,19C; calculated level energies, J, π, and deformation parameters using one-quasiparticle PBCS model.

doi: 10.1016/j.nuclphysa.2007.03.115
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2006TA28      Braz.J.Phys. 36, 1349 (2006)

T.Tarutina, A.R.Samana, F.Krmpotic, M.S.Hussein

Quasiparticle-Rotor Model Description of Carbon Isotopes

NUCLEAR STRUCTURE ^{12,13,14,15,16,17,18,19}C;calculated level energies, J, π, configurations, deformation using quasiparticle-rotor coupling model withing the usual BCS and projected BCS.

doi: 10.1590/S0103-97332006000800003
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2005KR06      Phys.Rev. C 71, 044319 (2005)

F.Krmpotic, A.Samana, A.Mariano

Neutrino-nucleus reactions and muon capture in ¹²C

NUCLEAR REACTIONS ¹²B(μ^-, ν), ¹²C(ν, e), (ν, μ), E ≈ 0-300 MeV; calculated σ. Projected quasiparticle RPA, comparison with data.

doi: 10.1103/PhysRevC.71.044319
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2004SA67      Braz.J.Phys. 34, 862 (2004)

A.Samana, F.Krmpotic, A.Mariano

A Formalism for Weak Interactions in Nuclei

NUCLEAR REACTIONS ¹²C(ν, e), (ν, μ^-), E=spectrum; ¹²B(μ^-, ν), E=spectrum; calculated flux-averaged σ.

doi: 10.1590/S0103-97332004000500041
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2002KR14      Phys.Lett. 541B, 298 (2002)

F.Krmpotic, A.Mariano, A.Samana

RPA Puzzle in ¹²C Weak Decay Processes

NUCLEAR REACTIONS ¹²C(ν, e), (ν, μ^-), E not given; calculated σ. Projected quasiparticle RPA.

NUCLEAR STRUCTURE ¹²B, ¹²C, ¹²N; calculated level energies. ¹²B calculated muon capture rates. Projected quasiparticle RPA.

doi: 10.1016/S0370-2693(02)02231-1
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Note: The following list of authors and aliases matches the search parameter A.Samana: , A.R.SAMANA