NSR Query Results
Output year order : Descending NSR database version of May 3, 2024. Search: Author = E.O.Zevallos Found 8 matches. 2023SA13 Eur.Phys.J. A 59, 48 (2023) O.C.B.Santos, R.Lichtenthaler, A.M.Moro, K.C.C.Pires, U.Umbelino, A.S.Serra, E.O.N.Zevallo, A.L.de Lara, V.Scarduelli, J.Alcantara-Nunez, A.Lepine-Szily, J.Lei, S.Appannababu, M.Assuncao One-neutron stripping from 8Li projectiles to 9Be target nuclei NUCLEAR REACTIONS 9Be(8Li, 7Li), E=23.8 MeV; measured reaction products; deduced σ(θ), σ(θ, E). Comparison with optical model calculations using standard Woods-Saxon potentials. The RIBRAS (Radioactive Ion Beams in Brasil) facility.
doi: 10.1140/epja/s10050-023-00959-z
2022BA37 XLIV Brazilian Meeting on Nuclear Physics, Brazil, 9-11 Nov 2021 p.012040 (2022); J.Phys.:Conf.Ser. 2340 A.Barioni, G.Kaur, J.Alcantara-Nunez, M.Assuncao, V.Guimaraes, A.L.Lara, A.Lepine-Szily, R.Lichtenthaler, R.Linares, D.R.Mendes, K.C.C.Pires, O.C.B.Santos, A.S.Serra, J.M.B.Shorto, U.Umbelino, V.A.B.Zagatto, E.O.N.Zevallos, J.C.Zamora Two-neutron transfer as a tool to study pairing correlations in nuclei NUCLEAR REACTIONS 12C, 19F(6He, 6He), (6He, X), (α, α), (α, X), E=20 MeV; measured reaction products, Eα, Iα; deduced σ(θ), feasibility of two-neutron transfer reactions. RIBRAS facility.
doi: 10.1088/1742-6596/2340/1/012040
2022KA10 Phys.Rev. C 105, 024609 (2022) G.Kaur, V.Guimaraes, J.C.Zamora, M.Assuncao, J.Alcantara-Nunez, A.L.de Lara, E.O.N.Zevallos, J.B.Ribeiro, R.Lichtenthaler, K.C.C.Pires, O.C.B.Santos, V.Morcelle, R.J.deBoer New resonances in 11C above the 10B + p threshold investigated by inverse kinematic resonant scattering NUCLEAR REACTIONS 1H(10B, p), E=37.2 MeV; measured reaction products, Ep, Ip, angular distributions; deduced σ, σ(θ). 11C; deduced resonances, J, π, widths. R-matrix analysis. Comparison of level structure to 11B mirror nucleus. Beam from Radioactive Ion Beams in Brazil (RIBRAS) facility.
doi: 10.1103/PhysRevC.105.024609
2022KA39 XLIV Brazilian Meeting on Nuclear Physics, Brazil, 9-11 Nov 2021 p.012042 (2022); J.Phys.:Conf.Ser. 2340 G.Kaur, V.Guimaraes, J.C.Zamora, M.Assuncao, J.Alcantara-Nunez, A.L.de Lara, E.O.N.Zevallos, J.B.Ribeiro, R.Lichtenthaler, K.C.C.Pires, O.C.B.Santos, V.Morcelle, R.J.deBoer Resonant scattering measurement for 11C using thick target in inverse kinematics NUCLEAR REACTIONS 1H(10B, α), (10B, 3He), (10B, X)11C, E=35.93 MeV; measured reaction products; deduced σ(θ). RIBRAS facility, IFUSP, Sao Paulo.
doi: 10.1088/1742-6596/2340/1/012042
2022UM01 Phys.Rev. C 106, 054602 (2022) U.Umbelino, R.Lichtenthaler, O.C.B.Santos, K.C.C.Pires, A.S.Serra, V.Scarduelli, A.L.de Lara, E.O.N.Zevallos, J.C.Zamora, A.Lepine-Szily, J.M.B.Shorto, M.Assuncao, V.A.B.Zagatto Quasielastic scattering of light radioactive and stable projectiles on 9Be NUCLEAR REACTIONS 9Be(10Be, 10Be), E=21.8, 26.9 MeV;9Be(9Be, 9Be), E=24.3, 30.1 MeV; 9Be(7Be, 7Be), E=17.3 MeV;9Be(7Li, 7Li), E=17.7, 21.9 MeV;9Be(6Li, 6Li), E=11.2, 21.1, 25.7 MeV;9Be(8Li, 8Li), E=15.4, 18.9 MeV;9Be(8B, 8B), E=23.7 MeV;9Be(11B, 11B), E=31.4 MeV;9Be(12B, 12B), E=28.3, 34.3 MeV; measured reaction products, angular distributions; deduced σ(θ), total σ, optical model parameters. Analysis with the optical model using Woods-Saxon form factor and Sao Paulo potential. Comparison to Coupled channels (CC), coupled reaction channels (CRC), and continuum-discretized coupled channels (CDCC) calculations to investigate couplings of the inelastic, breakup, and transfer channels on the total σ. Cocktail secondary beam produced by the RIBRAS (Radioactive Ion Beams in Brasil) facility from 9Be(11B, X) and 3He(6Li, X) reactions.
doi: 10.1103/PhysRevC.106.054602
2021SA25 Phys.Rev. C 103, 064601 (2021) O.C.B.Santos, R.Lichtenthaler, K.C.C.Pires, U.Umbelino, E.O.N.Zevallos, A.L.de Lara, A.S.Serra, V.Scarduelli, J.Alcantara-Nunez, V.Guimaraes, A.Lepine-Szily, J.C.Zamora, A.M.Moro, S.Appannababu, M.Assuncao, A.Barioni, R.Linares, V.A.B.Zagatto, P.N.de Faria, M.C.Morais, V.Morcelle, J.M.B.Shorto, J.Lei Evidence of the effect of strong stripping channels on the dynamics of the 8Li + 58Ni reaction NUCLEAR REACTIONS 58Ni(8Li, 8Li), (8Li, 8Li'), (8Li, 7Li), E=23.9, 26.1, 28.7, 30 MeV, [secondary 8Li beam produced in 9Be(7Li, 8Li), E=26-32 MeV using the RIBRAS facility at the 8-UD Pelletron accelerator of the University of Sao Paulo]; measured reaction products, two-dimensional ΔE-E particle spectra, elastic σ(θ). Comparison with optical model and continuum discretized coupled channels (CDCC) calculations for the elastic and nonelastic breakup or particle-transfer processes.
doi: 10.1103/PhysRevC.103.064601
2019AP01 Phys.Rev. C 99, 014601 (2019) S.Appannababu, R.Lichtenthaler, M.A.G.Alvarez, M.Rodriguez-Gallardo, A.Lepine-Szily, K.C.C.Pires, O.C.B.Santos, U.U.Silva, P.N.de Faria, V.Guimaraes, E.O.N.Zevallos, V.Scarduelli, M.Assuncao, J.M.B.Shorto, A.Barioni, J.Alcantara-Nunez, V.Morcelle Two-neutron transfer in the 6He + 120Sn reaction NUCLEAR REACTIONS 120Sn(6He, α), E=20.3, 22.2, 22.4, 24.5 MeV; 120Sn(6He, 6He), E=22.2 MeV, [secondary 6He beam from 9Be(7Li, 6He) primary reaction]; measured reaction products, Eα, Iα, 6He scattered particles, differential σ(E, θ), and σ(θ) for elastic scattering using RIBRAS facility at Sao Paulo University; deduced Q-value centroids, transferred angular momentum, dependence of excitation energy of the residual system on the transferred angular momentum using Brink's formula, and square of the final angular momentum. Comparison with four body continuum discretized coupled channel (CDCC) calculations. Discussed formation of di-nuclear rotating system that could be formed after the reaction.
doi: 10.1103/PhysRevC.99.014601
2019ZE01 Phys.Rev. C 99, 064613 (2019) E.O.N.Zevallos, V.Guimaraes, E.N.Cardozo, J.Lubian, R.Linares, R.Lichtenthaler Filho, K.C.C.Pires, O.C.B.Santos, S.Appannababu, E.Crema, J.Alcantara-Nunez, A.L.Lara, Y.S.Villamizar, U.Umbelino, N.Added, M.Assuncao, V.Morcelle, D.S.Monteiro Elastic scattering of the 12B + 58Ni system at near-barrier energies NUCLEAR REACTIONS 58Ni(12B, 12B), E=30.0, 33.0 MeV; measured reaction products, ΔE-E plot and energy spectra for 4He, 7Li, 9Be and 12B, elastic scattering angular distributions, and σ(θ, E) using silicon ΔE-E telescopes at the University of Sao Paulo RIBRAS facility. Comparison with large-scale coupled reaction channel calculations including E2 and E3 inelastic transitions in the target, and one-nucleon transfer reactions.
doi: 10.1103/PhysRevC.99.064613
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