NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = A.Arazi Found 48 matches. 2023GI04 J.Phys.(London) G50, 045103 (2023) T.Giudice, D.Abriola, A.Arazi, E.de Barbara, M.A.Cardona, J.Gomez, D.Hojman, R.M.Id Betan, M.S.Kohen, N.Llaneza, G.V.Marti, B.Paes, D.Schneider, H.Soler, J.Lubian Study of the threshold anomaly in the elastic scattering of d+ 197Au NUCLEAR REACTIONS 197Au(d, d), E=5-16 MeV; measured reaction products; deduced critical interaction distance, σ, σ(θ); deduced fitting parameters using two alternative models: the semi-microscopic Sao Paulo and the effective Woods–Saxon optical potentials. The 20UD tandem accelerator TANDAR.
doi: 10.1088/1361-6471/acb452
2022ZA03 Phys.Rev. C 106, 014603 (2022) J.C.Zamora, J.L.Ferreira, A.Barioni, E.N.Cardozo, D.Abriola, A.Arazi, M.Assuncao, E.de Barbara, M.A.Cardona, V.Guimaraes, D.Hojman, G.V.Marti, D.R.Mendes, A.J.Pacheco, K.C.C.Pires, D.Ramos, O.C.B.Santos, J.Lubian Role of direct mechanism in two-nucleon T=0 transfer reactions in light nuclei using the (6Li, α) probe NUCLEAR REACTIONS 12C, 19F(6Li, α), (6Li, 6Li), E=20 MeV; measured reaction products, Eα, Iα, angular distribution; deduced σ(θ) for elastic scattering and isoscalar np-transfer reactions, contributions from direct and sequential reaction mechanism yo the σ, population of particular bound and unbound states in daughter nuclei. Data analysis with coupled-reaction-channels (CRC) approach. Sequential np-transfer mechanism was investigated with coupled-channels Born approximation (CCBA) calculations. Systematics of np-transfer σ obtained with different probes - (α, d), (6Li, α) and (3He, p). Detector setup composed of an array of eight surface-barrier detectors and four silicon telescopes at TANDAR facility.
doi: 10.1103/PhysRevC.106.014603
2022ZA04 Phys.Rev. C 106, 014622 (2022) V.A.B.Zagatto, M.Gomez-Ramos, L.R.Gasques, A.M.Moro, L.C.Chamon, M.A.G.Alvarez, V.Scarduelli, J.P.Fernandez-Garcia, J.R.B.de Oliveira, A.Lepine-Szily, A.Arazi Elastic, inelastic, and one-neutron transfer angular distributions of 6Li + 120Sn at energies near the Coulomb barrier NUCLEAR REACTIONS 120Sn(6Li, 6Li), (6Li, 7Li), E=19, 24, 27 MeV; measured reaction products, angular distributions; deduced elastic, inelastic and neutron transfer σ(θ). Comparison to continuum-discretized coupled channels (CDCC) calculations. SATURN (silicon array based on telescopes of USP for reactions and nuclear applications) and STAR (silicon telescopes array for reactions) at tandem accelerator at the LAFN-USP laboratory.
doi: 10.1103/PhysRevC.106.014622
2021GA14 Phys.Rev. C 103, 034616 (2021) L.R.Gasques, M.A.G.Alvarez, A.Arazi, B.V.Carlson, L.C.Chamon, J.P.Fernandez-Garcia, A.Lepine-Szily, J.Lubian, J.Rangel, M.Rodriguez-Gallardo, V.Scarduelli, V.A.B.Zagatto Understanding the mechanisms of nuclear collisions: A complete study of the 10B + 120Sn reaction NUCLEAR REACTIONS 120Sn(10Be, 10Be), (10B, X)4He/6He/6Li/7Li/9Be/10Be/10B/11B/11C/12C, E≈39.70 MeV; measured reaction products, particle spectra, σ(θ) for elastic and inelastic scattering using SATURN and STAR particle-detector arrays of semiconductor silicon surface barrier detectors and single sided silicon strip detector (SSSSD) at the 8 MV tandem accelerator of the University of Sao Paulo; deduced σ(θ) for the 1-neutron transfer channel, energy projection of 9Be nuclei, σ(θ) for 6,7Li, 9,10Be, 11B and 12C. Comparison with coupled reaction channels (CRC) calculations using the SPP as the bare interaction.
doi: 10.1103/PhysRevC.103.034616
2021GO21 Phys.Rev. C 104, 024609 (2021) F.Gollan, D.Abriola, A.Arazi, M.A.Cardona, E.de Barbara, J.de Jesus, D.Hojman, R.M.Id Betan, J.Lubian, A.J.Pacheco, B.Paes, D.Schneider, H.O.Soler One-neutron transfer, complete fusion, and incomplete fusion from the 9Be + 197Au reaction NUCLEAR REACTIONS 197Au(9Be, 9Be), (9Be, 9Be'), (9Be, 8Be)198Au, (9Be, 10Be)196Au, (9Be, X)199Tl/200Tl/201Bi/202Bi/203Bi, E=22-50.5 MeV from the 20 UD tandem accelerator of TANDAR Laboratory in Buenos Aires; measured off-line Eγ, Iγ from an activated target; deduced σ(E) for elastic and inelastic scattering, σ(E) for one-neutron stripping and pickup and elastic breakup, complete-fusion (CF) and incomplete fusion (ICF). Comparison with Universal Fusion Function (UFF) method, and with continuum discretized coupled-channel (CDCC) calculations, with Sao Paulo Potential (SPP) systematics. RADIOACTIVITY 196,198Au(β-), 196Au, 199,200Tl, 201,202Bi, 203Bi(EC), (β+)[from 197Au(9Be, X), E=22-50.5 MeV]; measured γ radiation, T1/2 of decays from γ-decay curves.
doi: 10.1103/PhysRevC.104.024609
2020AV03 Phys.Rev. C 101, 044601 (2020) M.Aversa, D.Abriola, M.A.G.Alvarez, A.Arazi, M.A.Cardona, L.C.Chamon, E.de Barbara, J.de Jesus, J.P.Fernandez-Garcia, L.R.Gasques, D.Hojman, A.Lepine-Szily, G.V.Marti, A.J.Pacheco, V.Scarduelli, V.A.B.Zagatto Investigation of the fusion process for 10B + 197Au at near-barrier energies NUCLEAR REACTIONS 197Au(10B, 9B)198Au, (10B, 11B)196Au, (10B, 3n)204Po, (10B, 4n)203Po, (10B, 5n)202Po, (10B, 2np)204Bi, (10B, 3np)203Bi, (10B, 4np)202Bi, (10B, 2nα)201Pb, (10B, 3nα)200Pb, (10B, 4nα)199Pb, (6Li, 4n), E=38-61 MeV; measured Eγ, Iγ, fusion σ(E) by offline detection of γ rays from products after complete and incomplete fusion at the 20 UD TANDAR Accelerator facility. Comparison with coupled reaction channel (CRC) calculations using the Sao Paulo potential. 197Au(α, X), (8He, X), (6Li, X), (7Li, X), (11B, X), (12C, X), (16O, X), (40Ar, X), (40Ca, X), (48Ca, X), E(reduced)=-2 to +4; analyzed previous fusion σ(E) data with the present data for 197Au(10B, X); deduced universal fusion function.
doi: 10.1103/PhysRevC.101.044601
2020GA11 Phys.Rev. C 101, 044604 (2020) L.R.Gasques, L.C.Chamon, A.Lepine-Szily, V.Scarduelli, V.A.B.Zagatto, D.Abriola, A.Arazi, M.A.Cardona, E.de Barbara, J.de Jesus, D.Hojman, G.V.Marti, A.J.Pacheco, D.Ramos Lopez, M.A.G.Alvarez, J.P.Fernandez-Garcia, M.Rodriguez-Gallardo, M.Cubero, L.F.Umana, S.Achi-Prado Investigation of the reaction mechanisms for 10B + 197Au at near-barrier energies NUCLEAR REACTIONS 197Au(10B, 10B), (10B, 10B'), (10B, 11B), (10B, 9Be), E=38-61 MeV; measured reaction products, beam-like recoils, and σ(E, θ) using E-ΔE silicon surface barrier telescopes at the 8-MV Pelletron accelerator of the University of Sao Paulo, and at the 20-MV tandem accelerator TANDAR; deduced total integrated cross sections. 10B, 197Au; deduced levels, J, π, yields. Comparison with coupled reaction channel (CRC) calculations, with double-folding Sao Paulo potential. Discussed breakup process of 10B.
doi: 10.1103/PhysRevC.101.044604
2020GO04 Nucl.Phys. A1000, 121789 (2020) F.Gollan, D.Abriola, A.Arazi, M.A.Cardona, E.de Barbara, D.Hojman, R.M.Id Betan, G.V.Marti, A.J.Pacheco, D.Rodrigues, M.Togneri Energy dependence of the optical potential of the weakly bound 9Be projectile on the 197Au target
doi: 10.1016/j.nuclphysa.2020.121789
2020KO20 Phys.Rev.Lett. 125, 031101 (2020) G.Korschinek, T.Faestermann, M.Poutivtsev, A.Arazi, K.Knie, G.Rugel, A.Wallner Supernova-Produced 53Mn on Earth ATOMIC MASSES 53Mn; measured 53Mn contents in four different crusts; deduced 53Mn/Mn ratio.
doi: 10.1103/PhysRevLett.125.031101
2019AL32 Phys.Rev. C 100, 064602 (2019) M.A.G.Alvarez, J.P.Fernandez-Garcia, J.L.Leon-Garcia, M.Rodriguez-Gallardo, L.R.Gasques, L.C.Chamon, V.A.B.Zagatto, A.Lepine-Szily, J.R.B.Oliveira, V.Scarduelli, B.V.Carlson, J.Casal, A.Arazi, D.A.Torres, F.Ramirez Systematic study of optical potential strengths in reactions on 120Sn involving strongly bound, weakly bound, and exotic nuclei NUCLEAR REACTIONS 120Sn(6Li, 6Li), E=19, 24, 27 MeV; measured scattered 6Li, σ(E, θ) using SATURN array of Si detectors at the tandem accelerator of LAFN, University of Sao Paulo. 120Sn(α, α), E(reduced)=5.1, 12.0, 15.6, 19.1 MeV; 120Sn(6He, 6He), E(reduced)=3.8, 4.4, 6.1, 6.7, 8.4 MeV; 120Sn(7Li, 7Li), E(reduced)=0.6, 1.3, 3.2, 5.1, 7.0, 8.9 MeV; 120Sn(9Be, 9Be), E(reduced)=0.3, 0.7, 1.6, 1.7, 3.1, 13.3, 20.7 MeV; 120Sn(10B, 10B), E(reduced)=0.2, 1.6, 2.1, 3.4 MeV; 120Sn(16O, 16O), E(reduced)=2.3, 3.1, 4.0 MeV; 120Sn(18O, 18O), E(reduced)=2.1 MeV; analyzed previous σ(E, θ) data as part of the E-125 experimental campaign, developed at the LAFN, with experiments carried out at Sao Paulo and TANDAR facility in Buenos Aires. Optical model analyses based on the double-folding Sao Paulo potential. NUCLEAR STRUCTURE 6Li, 6He, 9,10Be; calculated matter densities using Hartree-Bogoliubov (HB) theory with NL3 and DDME1 interactions, and from charge densities obtained in (e, e') experiments. 4,6He, 6,7Li, 9,10Be, 16,18O; calculated s-wave barrier parameters using double-folding Sao Paulo potential (SPP) for systems with projectiles focusing on 120Sn.
doi: 10.1103/PhysRevC.100.064602
2018AR02 Phys.Rev. C 97, 044609 (2018) A.Arazi, J.Casal, M.Rodriguez-Gallardo, J.M.Arias, R.Lichtenthaler Filho, D.Abriola, O.A.Capurro, M.A.Cardona, P.F.F.Carnelli, E.de Barbara, J.Fernandez Niello, J.M.Figueira, L.Fimiani, D.Hojman, G.V.Marti, D.Martinez Heimann, A.J.Pacheco 9Be + 120Sn scattering at near-barrier energies within a four-body model NUCLEAR REACTIONS 120Sn(9Be, 9Be), (9Be, 9Be'), E=26, 27, 28, 29.5, 31, 42, 50 MeV; measured scattered particles, differential σ(E, θ) of elastic and inelastic channels using 20 UD tandem accelerator TANDAR at Buenos Aires; deduced excitation to first 2+ and 3- states in 120Sn. Comparison with optical model (OM) and four-body continuum-discretized coupled-channels (CDCC) calculations.
doi: 10.1103/PhysRevC.97.044609
2018CA01 Nucl.Phys. A969, 94 (2018) P.F.F.Carnelli, D.Martinez Heimann, A.J.Pacheco, A.Arazi, O.A.Capurro, J.O.Fernandez Niello, M.A.Cardona, E.de Barbara, J.M.Figueira, D.L.Hojman, G.V.Marti, A.E.Negri Inclusive and exclusive measurements of alpha particle production mechanisms in the 7Li + 144Sm system NUCLEAR REACTIONS 144Sm(7Li, x), E=24, 30 MeV; measured E, Ip(θ), E(d), I(d, θ), Ea, Iα(θ), other reaction products, coincidences using segmented-anode ionization chamber and three PSDs; deduced α-particle emission σ(Eα), σ(θ), S(θ, Eα); analyzed data including breakup possibility; calculated dσ using statistical description of the decay of composite system with inclusion of projectile breakup and transfer-breakup modes, direct transfer reaction using DWBA.
doi: 10.1016/j.nuclphysa.2017.08.007
2018GO20 Nucl.Phys. A979, 87 (2018) F.Gollan, D.Abriola, A.Arazi, O.A.Capurro, M.A.Cardona, E.de Barbara, D.Hojman, G.V.Marti, A.J.Pacheco, D.Rodrigues, J.E.Testoni Breakup threshold anomaly in the elastic scattering of the 9Be + 80Se system NUCLEAR REACTIONS 80Se(9Be, 9Be), E=17, 18, 19, 20, 21, 22, 23, 24, 25, 30, 32.8 MeV; measured Be ejectiles using array of eight surface-barrier Si detectors; deduced σ(θ); calculated σ(θ) using optical model with Woods-Saxon energy-dependent potentials with variable geometry and using Sao Paulo potential; deduced sensitivity radius of the real and imaginary parts of Woods-Saxon potential, volume integral per nucleon vs E(cm).
doi: 10.1016/j.nuclphysa.2018.09.003
2017SC24 Phys.Rev. C 96, 054610 (2017) V.Scarduelli, E.Crema, V.Guimaraes, D.Abriola, A.Arazi, E.de Barbara, O.A.Capurro, M.A.Cardona, J.Gallardo, D.Hojman, G.V.Marti, A.J.Pacheco, D.Rodrigues, Y.Y.Yang, N.N.Deshmukh, B.Paes, J.Lubian, D.R.Mendes, Jr, V.Morcelle, D.S.Monteiro Elastic and inelastic scattering for the 10B + 58Ni system at near-barrier energies NUCLEAR REACTIONS 58Ni(10B, 10B), (10B, 10B'), E=19.0, 21.0, 23.0, 24.0, 25.0, 35.0 MeV; measured particle spectra, σ(θ, E) at the 20 UD tandem accelerator facility of TANDAR laboratory in Buenos Aires; analyzed data by large-scale coupled reaction channel calculation, considering several inelastic transitions of the projectile and the target together with one- and two-step transfer reactions.
doi: 10.1103/PhysRevC.96.054610
2016CA01 Nucl.Phys. A945, 186 (2016) O.A.Capurro, A.J.Pacheco, A.Arazi, P.F.F.Carnelli, J.O.Fernandez Niello, D.Martinez Heimann Systematics of the breakup probability function for 6Li and 7Li projectiles COMPILATION 6,7Li; compiled data on non-capture breakup σ; deduced non-capture breakup probability, probability parameters at collisions with 12C, 28Si, 59Co, 65Cu, 120Sn, 144Sm, 197Au, 208Pb, 209Bi.
doi: 10.1016/j.nuclphysa.2015.10.010
2016GU09 Phys.Rev. C 93, 064607 (2016) V.Guimaraes, J.J.Kolata, E.F.Aguilera, A.Howard, A.Roberts, F.D.Becchetti, R.O.Torres-Isea, A.Riggins, M.Febrarro, V.Scarduelli, P.N.de Faria, D.S.Monteiro, J.F.P.Huiza, A.Arazi, J.Hinnefeld, A.M.Moro, E.S.Rossi, V.Morcelle, A.Barioni, AlanJ.Mitchell Backscattering measurement of 6He on 209Bi: Critical interaction distance NUCLEAR REACTIONS 209Bi(6He, 6He), E=12, 14, 16 MeV, [secondary 6He beam from 2H(7Li, 6He), E=32 MeV]; measured 6He spectra using silicon ΔE-E telescope, σ(θ, E) at the TwinSol facility of Notre Dame Nuclear Structure Laboratory; deduced ratio of elastic to Rutherford cross sections. Comparison with a three-body CDCC calculation, and with experimental data for 209Bi(α, α), (6Li, 6Li), (9Be, 9Be), (12C, 12C), (16O, 16O), and 208Pb(6He, 6He) reactions.
doi: 10.1103/PhysRevC.93.064607
2015DE36 Phys.Rev. C 92, 054615 (2015) N.N.Deshmukh, V.Guimaraes, E.Crema, D.Abriola, A.Arazi, E.de Barbara, O.A.Capurro, M.A.Cardona, J.Gallardo, D.Hojman, G.V.Marti, A.J.Pacheco, D.Rodrigues, Y.Y.Yang, A.N.Deshmukh, D.R.Mendes, V.Morcelle, V.Scarduelli, D.S.Monteiro Elastic and inelastic scattering for the 11B + 58Ni system: Target and projectile reorientation effects NUCLEAR REACTIONS 58Ni(11B, 11B), (11B, 11B'), E=19.0, 20.0, 21.0, 23.0, 24.0, 25.0, 35.0 MeV; measured scattered particle spectra, σ(θ, E) at Tandar laboratory in Buenos Aires. 58Ni; measured σ(θ) for the first three excited states. Enriched target. Comparison with coupled-channel calculations. Discussed influence of 11B ground-state-spin reorientation and 58Ni first excited 2+ state on the reaction mechanism.
doi: 10.1103/PhysRevC.92.054615
2014MA03 Phys.Rev. C 89, 014615 (2014) D.Martinez Heimann, A.J.Pacheco, O.A.Capurro, A.Arazi, C.Balpardo, M.A.Cardona, P.F.F.Carnelli, E.de Barbara, J.O.Fernandez Niello, J.M.Figueira, D.Hojman, G.V.Marti, A.E.Negri, D.Rodrigues Differential and total cross sections of noncapture breakup reactions in the 6Li+144Sm system NUCLEAR REACTIONS 144Sm(6Li, dα), E=23-30 MeV; measured Eα, Ed, dα-coin, time-of-flight spectra at TANDAR-CNEA accelerator facility; deduced Q value, distributions of d-α relative energies and binary (6Li) asymptotic scattering angles, differential and integral σ(E) for direct and resonant breakup reactions. Comparison with calculations based on a dynamic classical model.
doi: 10.1103/PhysRevC.89.014615
2012FI11 Phys.Rev. C 86, 044607 (2012) L.Fimiani, J.M.Figueira, G.V.Marti, J.E.Testoni, A.J.Pacheco, W.H.Z.Cardenas, A.Arazi, O.A.Capurro, M.A.Cardona, P.Carnelli, E.de Barbara, D.Hojman, D.Martinez Heimann, A.E.Negri Elastic scattering in the 6, 7Li + 80Se systems NUCLEAR REACTIONS 80Se(6Li, 6Li), (7Li, 7Li), E(cm)=13-24 MeV; measured particle spectra, σ(E, θ), partial reaction cross sections, total reaction cross section; deduced best optical-potential depths, spatial density of absorption. Optical model. Double-folding potential analysis.
doi: 10.1103/PhysRevC.86.044607
2012WO01 Nucl.Phys. A873, 17 (2012) A.E.Woodard, J.M.Figueira, D.R.Otomar, J.O.Fernandez Niello, J.Lubian, A.Arazi, O.A.Capurro, P.Carnelli, L.Fimiani, G.V.Marti, D.Martinez Heimann, D.S.Monteiro, A.E.Negri, A.J.Pacheco, P.R.S.Gomes Breakup coupling effects on near-barrier inelastic scattering of the weakly bound 6Li projectile on a 144Sm target NUCLEAR REACTIONS 144Sm(6Li, 6Li'), E=23.0-35.1 MeV; measured E(particle), I(particle, θ) using barrier detector array; deduced σ(θ) to discrete states; calculated σ(θ) to discrete states using CDCC.
doi: 10.1016/j.nuclphysa.2011.10.003
2011CA05 Nucl.Phys. A849, 1 (2011) O.A.Capurro, A.J.Pacheco, A.Arazi, J.M.Figueira, D.Martinez Heimann, A.E.Negri Breakup excitation function at backward angles from α-spectra in the 6Li + 144Sm system NUCLEAR REACTIONS 144Sm(6Li, α), E=14-35 MeV; measured Eα, Iα; deduced breakup, σ(θ), reaction mechanism features. Comparison with other data, PACE and SUPERKIN calculations.
doi: 10.1016/j.nuclphysa.2010.10.001
2010AB06 Nucl.Instrum.Methods Phys.Res. B268, 1793 (2010) D.Abriola, P.Carnelli, A.Arazi, J.M.Figueira, O.A.Capurro, M.A.Cardona, J.O.Fernandez Niello, D.Hojman, L.Fimiani, P.Grinberg, D.Martinez Heimann, G.V.Marti, A.E.Negri, A.J.Pacheco Elastic scattering of 7Li + 27Al at several angles in the 7-11 MeV energy range NUCLEAR REACTIONS 27Al(7Li, 7Li), E=7-11 MeV; measured reaction products; deduced elastic scattering σ, σ(θ). Optical potentials, comparison with previous experimental data.
doi: 10.1016/j.nimb.2010.02.076
2010DE14 Phys.Rev. C 81, 044605 (2010) P.N.de Faria, R.Lichtenthaler, K.C.C.Pires, A.M.Moro, A.Lepine-Szily, V.Guimaraes, D.R.Mendes, Jr., A.Arazi, M.Rodriguez-Gallardo, A.Barioni, V.Morcelle, M.C.Morais, O.Camargo, Jr., J.Alcantara Nunez, M.Assuncao Elastic scattering and total reaction cross section of 6He+120Sn NUCLEAR REACTIONS 120Sn(6He, 6He), E=17.40, 18.05, 19.80, 20.5 MeV; σ(E, θ). Comparison with optical model and continuum discretized coupled channels (CDCC) calculations.
doi: 10.1103/PhysRevC.81.044605
2010DE34 Phys.Rev. C 82, 034602 (2010) P.N.de Faria, R.Lichtenthaler, K.C.C.Pires, A.M.Moro, A.Lepine-Szily, V.Guimaraes, D.R.Mendes, Jr., A.Arazi, A.Barioni, V.Morcelle, M.C.Morais α-particle production in 6He+120Sn collisions NUCLEAR REACTIONS 120Sn(6He, 6He), (6He, X), E=17.4, 18.04, 19.8, 20.5 MeV, [6He beam from 9Be(7Li, 6He), E=2-26 MeV]; measured α and 6He spectra, σ(E, θ). DWBA analysis. Comparison with breakup and neutron transfer calculations using continuum-discretized coupled-channels (CDCC) approach.
doi: 10.1103/PhysRevC.82.034602
2010FI01 Phys.Rev. C 81, 024613 (2010) J.M.Figueira, J.O.Fernandez Niello, A.Arazi, O.A.Capurro, P.Carnelli, L.Fimiani, G.V.Marti, D.Martinez Heimann, A.E.Negri, A.J.Pacheco, J.Lubian, D.S.Monteiro, P.R.S.Gomes Energy dependence of the optical potential of weakly and tightly bound nuclei as projectiles on a medium-mass target NUCLEAR REACTIONS 144Sm(6Li, 6Li), E=21.0, 22.1, 22.6, 23.0, 24.1, 26.0, 28.0, 30.1, 32.2, 35.1, 42.3 MeV; 144Sm(7Li, 7Li), E=21.6, 22.1, 22.6, 23.0, 25.0, 27.0, 29.0, 30.0, 32.0, 35.0, 40.8 MeV; measured σ, σ(θ); deduced optical potentials parameters, sensitivity radii, and energy dependence of the real and imaginary parts of the optical potential. Optical model analyses.
doi: 10.1103/PhysRevC.81.024613
2010MO26 Phys.Rev. C 82, 044606 (2010) P.Mohr, P.N.de Faria, R.Lichtenthaler, K.C.C.Pires, V.Guimaraes, A.Lepine-Szily, D.R.Mendes, Jr., A.Arazi, A.Barioni, V.Morcelle, M.C.Morais Comparison of 120Sn(6He, 6He)120Sn and 120Sn(α, α)120Sn elastic scattering and signatures of the 6He neutron halo in the optical potential NUCLEAR REACTIONS 120Sn(α, α), E=20.0, 26.1, 27.1, 29.7, 30.8, 34.4, 40.0, 50.5 MeV; 120Sn(6He, 6He), E=17.4, 18.05, 19.8, 20.50 MeV; analyzed σ, excitation functions, reflection coefficients using systematic double-folding Woods-Saxon potentials.
doi: 10.1103/PhysRevC.82.044606
2009GO35 Nucl.Phys. A828, 233 (2009) P.R.S.Gomes, J.Lubian, B.Paes, V.N.Garcia, D.S.Monteiro, I.Padron, J.M.Figueira, A.Arazi, O.A.Capurro, L.Fimiani, A.E.Negri, G.V.Marti, J.O.Fernandez Niello, A.Gomez-Camacho, L.F.Canto Near-barrier fusion, breakup and scattering for the 9Be + 144Sm system NUCLEAR REACTIONS 144Sm(9Be, X), E=3048 MeV; measured fusion and elastic σ, σ(θ), σ(E). 144Sm(9Be, X), (16O, X), E=3048 MeV; analyzed fusion σ, breakup mechanism; deduced universal fusion function. Delayed X-ray technique. Coupled channel calculations.
doi: 10.1016/j.nuclphysa.2009.07.008
2009MO03 Phys.Rev. C 79, 014601 (2009) D.S.Monteiro, O.A.Capurro, A.Arazi, J.O.Fernandez Niello, J.M.Figueira, G.V.Marti, D.Martinez Heimann, A.E.Negri, A.J.Pacheco, V.Guimaraes, D.R.Otomar, J.Lubian, P.R.S.Gomes Near- and subbarrier elastic and quasielastic scattering of the weakly bound 6Li projectile on 144Sm NUCLEAR REACTIONS 144Sm(6Li, 6Li), E=14-35 MeV; measured excitation functions. Comparison with coupled-channel calculations.
doi: 10.1103/PhysRevC.79.014601
2009OT01 Phys.Rev. C 80, 034614 (2009) D.R.Otomar, J.Lubian, P.R.S.Gomes, D.S.Monteiro, O.A.Capurro, A.Arazi, J.O.Fernandez Niello, J.M.Figueira, G.V.Marti, D.Martinez Heimann, A.E.Negri, A.J.Pacheco, V.Guimaraes, L.C.Chamon Breakup coupling effects on near-barrier quasi-elastic scattering of 6, 7Li on 144Sm NUCLEAR REACTIONS 144Sm(6Li, X), E=14-35 MeV; 144Sm(7Li, X), E=12-32 MeV; measured particle spectra, quasi-elastic scattering excitation functions and barrier distributions. Comparison with continuum discretized coupled-channel (CDCC) calculations.
doi: 10.1103/PhysRevC.80.034614
2007BE19 Phys.Lett. B 647, 30 (2007) E.A.Benjamim, A.Lepine-Szily, D.R.Mendes, Jr., R.Lichtenthaler, V.Guimaraes, P.R.S.Gomes, L.C.Chamon, M.S.Hussein, A.M.Moro, A.Arazi, I.Padron, J.Alcantara Nunez, M.Assuncao, A.Barioni, O.Camargo, Jr., R.Z.Denke, P.N.de Faria, K.C.C.Pires Elastic scattering and total reaction cross section for the 6He + 27Al system NUCLEAR REACTIONS 27Al(6He, 6He), E=9.5, 11.0, 12.0, 13.4 MeV; measured σ, σ(θ). 6He deduced radius, deformation parameters. 27Al(6Li, 6Li), (7Li, 7Li), (9Be, 9Be), (16O, 16O), E≈7-45 MeV; analysed total σ. 6,7Li, 9Be, 16O deduced deformation parameters. Sao Paulo potential.
doi: 10.1016/j.physletb.2007.01.048
2007FE13 Nucl.Phys. A787, 484c (2007) J.O.Fernandez Niello, J.M.Figueira, D.Abriola, A.Arazi, O.A.Capurro, G.V.Marti, D.Martinez Heinmann, A.J.Pacheco, E.de Barbara, I.Padron, P.R.S.Gomes, J.Lubian Study of the Threshold Anomaly in the Scattering of Li Isotopes on 27Al NUCLEAR REACTIONS 27Al(6Li, 6Li), E=7, 8, 10, 12, 18 MeV; 27Al(7Li, 7Li), E=6, 7, 8, 9, 10, 11, 12, 14, 16, 18 MeV; measured σ(θ). Optical model analysis, several potentials compared. Breakup threshold anomaly discussed.
doi: 10.1016/j.nuclphysa.2006.12.072
2007FI01 Phys.Rev. C 75, 017602 (2007) J.M.Figueira, J.O.Fernandez Niello, D.Abriola, A.Arazi, O.A.Capurro, E.de Barbara, G.V.Marti, D.Martinez Heimann, A.E.Negri, A.J.Pacheco, I.Padron, P.R.S.Gomes, J.Lubian, T.Correa, B.Paes Breakup threshold anomaly in the elastic scattering of 6Li on 27Al NUCLEAR REACTIONS 27Al(6Li, 6Li), E=7, 8, 10, 12, 18 MeV; measured σ(θ); deduced breakup threshold anomaly, optical model parameters. Woods-Saxon optical potential, double-folding Sao Paolo potential.
doi: 10.1103/PhysRevC.75.017602
2007LI81 Eur.Phys.J. Special Topics 150, 27 (2007) R.Lichtenthaler, P.N.de Faria, A.Lepine-Szily, V.Guimaraes, O.Camargo, R.Denke, E.A.Benjamim, A.Barioni, K.C.C.Pires, D.J.Mendes, M.Assuncao, A.Arazi, I.Padron, P.R.S.Gomes Elastic scattering of 6He + 27Al and 7Be + 51V at RIBRAS NUCLEAR REACTIONS 27Al(6He, 6He'), E=9.5-13.4 MeV; 51V(7Be, 7Be'), E=26 MeV; measured reaction cross sections and angular distributions. Compared results to model calculations.
doi: 10.1140/epjst/e2007-00257-9
2007LU14 Nucl.Phys. A791, 24 (2007) J.Lubian, T.Correa, B.Paes, J.M.Figueira, D.Abriola, J.O.Fernandez Niello, A.Arazi, O.A.Capurro, E.de Barbara, G.V.Marti, D.Martinez Heinmann, A.E.Negri, A.J.Pacheco, I.Padron, P.R.S.Gomes 7Li breakup polarization potential at near barrier energies NUCLEAR REACTIONS 27Al(7Li, 7Li'), (7Li, 6Li), E=6-18 MeV; measured elastic and one neutron transfer cross sections and angular distributions. Deduced dynamic polarization potential.
doi: 10.1016/j.nuclphysa.2007.04.011
2006AR12 Phys.Rev. C 74, 025802 (2006) A.Arazi, T.Faestermann, J.O.Fernandez Niello, K.Knie, G.Korschinek, M.Poutivtsev, E.Richter, G.Rugel, A.Wallner Measurement of 25Mg(p, γ)26Alg resonance strengths via accelerator mass spectrometry NUCLEAR REACTIONS 25Mg(p, γ), E(cm)=189, 304, 374, 418 keV; measured yields; deduced resonance strengths. Accelerator mass spectrometry. Astrophysical implications discussed.
doi: 10.1103/PhysRevC.74.025802
2006FI04 Phys.Rev. C 73, 054603 (2006) J.M.Figueira, D.Abriola, J.O.Fernandez Niello, A.Arazi, O.A.Capurro, E.de Barbara, G.V.Marti, D.Martinez Heimann, A.J.Pacheco, J.E.Testoni, I.Padron, P.R.S.Gomes, J.Lubian Absence of the threshold anomaly in the elastic scattering of the weakly bound projectile 7Li on 27Al NUCLEAR REACTIONS 27Al(7Li, 7Li), E=6-18 MeV; measured σ(θ); deduced optical model parameters, no threshold anomaly.
doi: 10.1103/PhysRevC.73.054603
2006GO10 Phys.Lett. B 634, 356 (2006) P.R.S.Gomes, I.Padron, E.Crema, O.A.Capurro, J.O.Fernandez Niello, G.V.Marti, A.Arazi, M.Trotta, J.Lubian, M.E.Ortega, A.J.Pacheco, M.D.Rodriguez, J.E.Testoni, R.M.Anjos, L.C.Chamon, M.Dasgupta, D.J.Hinde, K.Hagino Disentangling the reaction mechanism of weakly bound nuclei NUCLEAR REACTIONS 9Be(144Sm, X), E=30-44 MeV; measured delayed Eγ, Iγ; deduced total-, complete-, incomplete-fusion and inelastic σ, total fusion suppression factor, reaction mechanism. Comparison with coupled-channels model calculations.
doi: 10.1016/j.physletb.2006.02.005
2006GO19 Phys.Rev. C 73, 064606 (2006) P.R.S.Gomes, I.Padron, E.Crema, O.A.Capurro, J.O.Fernandez Niello, A.Arazi, G.V.Marti, J.Lubian, M.Trotta, A.J.Pacheco, J.E.Testoni, M.D.Rodriguez, M.E.Ortega, L.C.Chamon, R.M.Anjos, R.Veiga, M.Dasgupta, D.J.Hinde, K.Hagino Comprehensive study of reaction mechanisms for the 9Be + 144Sm system at near- and sub-barrier energies NUCLEAR REACTIONS 144Sm(9Be, 9Be), E=33-41 MeV; measured elastic σ(θ). 144Sm(9Be, n), (9Be, 2n), (9Be, 3n), (9Be, 4n), (9Be, np), (9Be, 2np), E=30-44 MeV; 144Sm(9Be, X)147Gd, E=3-44 MeV; measured σ; deduced complete and incomplete fusion σ, reaction σ. Delayed x-ray detection technique, comparison with model predictions.
doi: 10.1103/PhysRevC.73.064606
2006HO03 Phys.Rev. C 73, 044604 (2006) D.Hojman, M.A.Cardona, A.Arazi, O.A.Capurro, J.O.Fernandez-Niello, G.V.Marti, A.J.Pacheco, J.E.Testoni, D.Bazzacco, A.Burlon, J.Davidson, M.Davidson, G.de Angelis, M.De Poli, M.E.Debray, A.Gadea, A.J.Kreiner, S.M.Lenzi, S.Lunardi, N.H.Medina, D.R.Napoli, C.Rossi Alvarez, C.Ur Reaction-dependent spin population and evidence of breakup in 18O NUCLEAR REACTIONS 207,208Pb, 209Bi(18O, 2nα), (18O, 3nα), (18O, n2α), 208Pb, 209Bi(18O, 2n2α), E ≈ 90-94 MeV; measured Eγ, Eα, αγ-coin, angular distributions and correlations; deduced reaction mechanism features. GASP array.
doi: 10.1103/PhysRevC.73.044604
2005FE11 Nucl.Instrum.Methods Phys.Res. B240, 495 (2005) J.O.Fernandez-Niello, A.Priller, A.Arazi, D.Djokic, R.Golser, W.Kutschera, P.Steier, C.Vockenhuber, A.Wallner A study of the tandem-terminal-stripper reaction 1H(12C, γ)13N with accelerator mass spectrometry NUCLEAR REACTIONS 1H(12C, γ), E(cm)=206.8, 229.5 keV; measured yields. Accelerator mass spectrometry.
doi: 10.1016/j.nimb.2005.06.149
2005GO09 Phys.Rev. C 71, 034608 (2005) P.R.S.Gomes, M.D.Rodriguez, G.V.Marti, I.Padron, L.C.Chamon, J.O.Fernandez Niello, O.A.Capurro, A.J.Pacheco, J.E.Testoni, A.Arazi, M.Ramirez, R.M.Anjos, J.Lubian, R.Veiga, R.Liguori Neto, E.Crema, N.Added, C.Tenreiro, M.S.Hussein Effect of the breakup on the fusion and elastic scattering of weakly bound projectiles on 64Zn NUCLEAR REACTIONS 64Zn(6Li, X), (7Li, X), (9Be, X), (16O, X), E ≈ 16-69 MeV; measured fusion and reaction σ; deduced reaction mechanism features. 64Zn(9Be, 9Be), E=17-28 MeV; 64Zn(16O, 16O), E=40-64 MeV; measured elastic σ(θ). Coupled channels analysis.
doi: 10.1103/PhysRevC.71.034608
2005GO35 J.Phys.(London) G31, S1669 (2005) P.R.S.Gomes, I.Padron, J.O.Fernandez Niello, G.V.Marti, M.D.Rodriguez, O.A.Capurro, A.J.Pacheco, J.E.Testoni, A.Arazi, J.Lubian, R.M.Anjos, L.C.Chamon, E.Crema, M.S.Hussein Fusion, break-up and elastic scattering of weakly bound nuclei NUCLEAR REACTIONS 27Al, 64Zn(9Be, X), E(cm) ≈ 14-25 MeV; 64Zn(6Li, X), E(cm) ≈ 15-40 MeV; measured reaction, break-up, and fusion σ; deduced optical potential features.
doi: 10.1088/0954-3899/31/10/051
2005GO42 Braz.J.Phys. 35, 902 (2005) P.R.S.Gomes, I.Padron, O.A.Capurro, J.O.Fernandez Niello, G.V.Marti, R.M.Anjos, J.Lubian, R.Veiga, E.Crema, A.J.Pacheco, J.E.Testoni, A.Arazi, M.D.RodrIguez, ME.Ortega, M.Trotta Complete Fusion of Weakly Bound Nuclei Applying the Delayed X-Ray Technique: the 9Be + 144Sm System NUCLEAR REACTIONS 144Sm(9Be, X), E ≈ 30-45 MeV; measured delayed X-ray spectra; deduced fusion σ.
2005LI56 Eur.Phys.J. A 25, Supplement 1, 733 (2005) R.Lichtenthaler, A.Lepine-Szily, V.Guimaraes, C.Perego, V.Placco, O.Camargo, Jr., R.Denke, P.N.de Faria, E.A.Benjamin, N.Added, G.F.Lima, M.S.Hussein, J.Kolata, A.Arazi Radioactive Ion beams in Brazil (RIBRAS)
doi: 10.1140/epjad/i2005-06-043-y
2005MA09 Phys.Rev. C 71, 027602 (2005) G.V.Marti, P.R.S.Gomes, M.D.Rodriguez, J.O.Fernandez Niello, O.A.Capurro, A.J.Pacheco, J.E.Testoni, M.Ramirez, A.Arazi, I.Padron, R.M.Anjos, J.Lubian, E.Crema Fusion, reaction, and breakup cross sections of 9Be on a light mass target NUCLEAR REACTIONS 27Al(9Be, X), E=12-24 MeV; measured fusion σ; deduced reaction and breakup σ.
doi: 10.1103/PhysRevC.71.027602
2004GO47 Phys.Lett. B 601, 20 (2004) P.R.S.Gomes, I.Padron, M.D.Rodriguez, G.V.Marti, R.M.Anjos, J.Lubian, R.Veiga, R.Liguori Neto, E.Crema, N.Added, L.C.Chamon, J.O.Fernandez Niello, O.A.Capurro, A.J.Pacheco, J.E.Testoni, D.Abriola, A.Arazi, M.Ramirez, M.S.Hussein Fusion, reaction and break-up cross sections of weakly bound projectiles on 64Zn NUCLEAR REACTIONS 64Zn(16O, X), E(cm) ≈ 32-55 MeV; 64Zn(9Be, X), E(cm) ≈ 14-25 MeV; 64Zn(6Li, X), (7Li, X), E(cm) ≈ 14-40 MeV; 64Zn(6He, X), E(cm) ≈ 7-13 MeV; measured fusion, reaction, and breakup σ. Comparison with previous results.
doi: 10.1016/j.physletb.2004.09.029
2004RO49 Braz.J.Phys. 34, 869 (2004) M.D.Rodriguez, I.Padron, G.V.Marti, R.M.Anjos, P.R.S.Gomes, J.Lubian, R.S.L.Veiga, A.J.Pacheco, O.A.Capurro, J.O.Fernandez Niello, J.E.Testoni, A.Arazi, M.Ramirez Fusion Cross Section Measurements for Systems 6Li + 27Al, 64Zn at Near-Barrier Energies NUCLEAR REACTIONS 27Al, 64Zn(6Li, X), E=14-24 MeV; 64Zn(9Be, X), E=20-24 MeV; measured fusion σ. Comparison with previous results.
2003FE11 Braz.J.Phys. 33, 218 (2003) J.O.Fernandez Niello, A.Arazi, T.Faestermann, K.Knie, G.Korschinek, E.Richter, G.Rugel, A.Wallner An Alternative Method for the Measurement of Stellar Nuclear-Reaction Rates NUCLEAR REACTIONS 25Mg(p, γ), E ≈ 316, 389, 434 keV; measured yields; deduced resonance strength. Accelerator mass spectrometry.
doi: 10.1590/s0103-97332003000200009
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