NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = A.J.Pacheco Found 86 matches. 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
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
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
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
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
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
2007CA17 Phys.Rev. C 75, 047601 (2007) O.A.Capurro, J.O.Fernandez Niello, A.J.Pacheco, P.R.S.Gomes Surface diffuseness parameter for systems with ZPZT ≈ 780 NUCLEAR REACTIONS 105,106,110Pd(35Cl, X), E(cm)=80-90 MeV; 110Pd(32S, X), E(cm)=77-82 MeV; analyzed quasielastic σ(θ); deduced surface diffuseness parameter.
doi: 10.1103/PhysRevC.75.047601
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
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
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
2006MA13 Phys.Rev. C 73, 024611 (2006) H.D.Marta, R.Donangelo, J.O.Fernandez Niello, A.J.Pacheco Continuum effects in transfer reactions induced by heavy ions NUCLEAR REACTIONS 26F(27F, X), E(cm)=4-16 MeV; calculated break-up and one-neutron transfer σ; deduced continuum effects.
doi: 10.1103/PhysRevC.73.024611
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.
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
2004GO49 Phys.Rev. C 70, 054605 (2004) P.R.S.Gomes, R.M.Anjos, C.Muri, J.Lubian, I.Padron, L.C.Chamon, R.Liguori Neto, N.Added, J.O.Fernandez Niello, G.V.Marti, O.A.Capurro, A.J.Pacheco, J.E.Testoni, D.Abriola Threshold anomaly with weakly bound projectiles: Elastic scattering of 9Be + 27Al NUCLEAR REACTIONS 27Al(9Be, 9Be), E=12-47.5 MeV; measured σ(θ); deduced model parameters, no threshold anomaly.
doi: 10.1103/PhysRevC.70.054605
2004MB08 Braz.J.Phys. 34, 885 (2004) G.V.Marti, A.J.Pacheco, J.E.Testoni, D.Abriola, O.A.Capurro, D.E.DiGregorio, J.O.Fernandez Niello, A.O.Macchiavelli, R.M.Clark, P.Fallon, A.Goergen, D.Ward, C.Y.Wu, A.Hayes, D.Cline, R.Teng Measurement of Inelastic-Scattering Cross Sections in the 16O+28Si System to Discriminate Regular and Chaotic Regimes NUCLEAR REACTIONS 28Si(16O, 16O'), E=40-46, 71, 73, 75 MeV; measured Eγ, Iγ, (particle)γ-coin, σ(θ). Gammasphere, Chico arrays. Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1543. 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.
2003LU18 Braz.J.Phys. 33, 323 (2003) J.Lubian, P.R.S.Gomes, R.M.Anjos, I.Padron, C.Muri, S.B.Moraes, J.J.S.Alves, A.M.M.Maciel, R.Liguori Neto, N.Added, G.V.Marti, M.Ramirez, A.J.Pacheco, O.A.Capurro, J.O.Fernandez Niello, J.E.Testoni, D.Abriola, M.R.Spinella Influence of the Break-up on the Fusion and Scattering Processes NUCLEAR REACTIONS 27Al(6Li, X), (7Li, X), (9Be, X), (11B, X), (16O, X), E(cm) ≈ 10-40 MeV; 64Zn(6Li, X), (7Li, X), (9Be, X), (16O, X), E(cm) ≈ 15-40 MeV; analyzed fusion σ, role of break-up process.
doi: 10.1590/s0103-97332003000200032
2002AN11 Phys.Lett. 534B, 45 (2002) R.M.Anjos, C.Muri, J.Lubian, P.R.S.Gomes, I.Padron, J.J.S.Alves, G.V.Marti, J.O.Fernandez Niello, A.J.Pacheco, O.A.Capurro, D.Abriola, J.E.Testoni, M.Ramirez, R.Liguori Neto, N.Added No Evidence of Break-Up Effects on the Fusion of 9Be with Medium-Light Nuclei NUCLEAR REACTIONS 27Al(9Be, X), E=33-55 MeV; 27Al(9Be, 9Be), E=12-35 MeV; 9Be, 12C(19F, X), (19F, 19F), E=48-72 MeV; measured fusion and elastic scattering σ, angular distributions; deduced no fusion hindrance due to break-up contribution. One-dimensional barrier penetration model. Other data compared.
doi: 10.1016/S0370-2693(02)01554-X
2002CA29 Phys.Rev. C65, 064617 (2002) O.A.Capurro, J.E.Testoni, D.Abriola, D.E.DiGregorio, J.O.Fernandez Niello, G.V.Marti, A.J.Pacheco, M.R.Spinella, M.Ramirez, C.Balpardo, M.Ortega Barrier Distributions Derived from Quasielastic Excitation Functions for the 35Cl + 105, 106, 110Pd Systems NUCLEAR REACTIONS 105,106,110Pd(35Cl, X), E=107.0-138.5 MeV; measured quasielastic excitation functions; deduced fusion barrier distributions, transfer channel contributions. Coupled-channels calculations.
doi: 10.1103/PhysRevC.65.064617
2002MA01 Nucl.Phys. A697, 107 (2002) H.D.Marta, R.Donangelo, J.O.Fernandez Niello, A.J.Pacheco On the Slope Anomaly in Heavy-Ion Transfer Reactions NUCLEAR REACTIONS 27Al(27Al, X), E=55-75 MeV; 197Au(12C, X), E=57-82 MeV; 197Au(16O, X), E=75-110 MeV; 98Mo(37Cl, X), E=118-125 MeV; 154Sm(16O, X), E=65, 72 MeV; calculated one- and two-proton transfer probabilities vs distance of closest approach. 96,100Mo(32S, 33S), (32S, 34S), E=180 MeV; 92Mo(36S, 34S), E=180 MeV; 208Pb(28Si, 30Si), E=152, 225 MeV; calculated transfer probabilities. Semiclassical model, comparisons with data, origin of slope anomaly in neutron transfers discussed.
doi: 10.1016/S0375-9474(01)01229-5
2002PA46 Phys.Rev. C66, 044608 (2002) I.Padron, P.R.S.Gomes, R.M.Anjos, J.Lubian, C.Muri, J.J.S.Alves, G.V.Marti, M.Ramirez, A.J.Pacheco, O.A.Capurro, J.O.Fernandez Niello, J.E.Testoni, D.Abriola, M.R.Spinella Fusion of stable weakly bound nuclei with 27Al and 64Zn NUCLEAR REACTIONS 27Al, 64Zn(6Li, X), (7Li, X), E=24-43 MeV; measured fusion σ; deduced no fusion hindrance from projectile breakup. Other reactions analyzed.
doi: 10.1103/PhysRevC.66.044608
2000CA05 Phys.Rev. C61, 037603 (2000) O.A.Capurro, J.E.Testoni, D.Abriola, D.E.DiGregorio, G.V.Marti, A.J.Pacheco, M.R.Spinella Barrier Distribution for the 32S + 110Pd System Derived from the Quasielastic Scattering Excitation Function NUCLEAR REACTIONS 110Pd(32S, 32S'), E=100.00-129.75 MeV; measured quasielastic σ; deduced barrier distributions.
doi: 10.1103/PhysRevC.61.037603
2000CA30 Phys.Rev. C62, 014613 (2000) O.A.Capurro, J.E.Testoni, D.Abriola, D.E.DiGregorio, G.V.Marti, A.J.Pacheco, M.R.Spinella, E.Achterberg Barrier Distributions Derived from Quasielastic Excitation Functions for the 12, 13C + 105, 106Pd Systems NUCLEAR REACTIONS 105,106Pd(12C, X), (13C, X), E=30-52 MeV; measured quasielastic σ(θ=164°); deduced fusion barrier distributions, role of two-phonon state. Coupled channels calculations.
doi: 10.1103/PhysRevC.62.014613
2000CA52 Acta Phys.Hung.N.S. 11, 355 (2000) O.A.Capurro, J.E.Testoni, D.Abriola, E.Achterberg, D.E.DiGregorio, G.V.Marti, A.J.Pacheco, M.R.Spinella Quasi-Elastic Scattering Measurements in the Systems 12, 13C + 105, 106Pd NUCLEAR REACTIONS 105,106Pd(12C, X), (13C, X), E=30-52 MeV; measured quasi-elastic σ(θ, E), barrier distributions. Effects of neutron transfer discussed.
2000MA44 Phys.Rev. C61, 064610 (2000) H.D.Marta, R.Donangelo, J.O.Fernandez Niello, A.J.Pacheco One- and Two-Proton Transfer Reactions with Vibrational Nuclei NUCLEAR REACTIONS 98Mo(37Cl, X), E=118, 122, 125 MeV; calculated one- and two-proton transfer probabilities. Semiclassical model with quadrupole vibrations, comparison with data.
doi: 10.1103/PhysRevC.61.064610
2000MB03 Acta Phys.Hung.N.S. 11, 269 (2000) G.V.Marti, A.J.Pacheco, J.E.Testoni, D.Abriola, O.A.Capurro, D.E.DiGregorio, J.O.Fernandez Niello, E.Achterberg, D.E.Alvarez, M.R.Spinella Search for Chaotic Behavior in Nuclear Scattering NUCLEAR REACTIONS 28Si(16O, 16O), (16O, 16O'), E=39-77 MeV; measured σ(θ); deduced possible chaotic mechanism following comparison with coupled-channel calculations.
1999MA08 Phys.Lett. 447B, 41 (1999) G.V.Marti, A.J.Pacheco, J.E.Testoni, D.Abriola, O.A.Capurro, D.E.Di Gregorio, J.O.Fernandez Niello, E.Achterberg, D.E.Alvarez Search for Experimental Evidence of Chaotic Behavior in Nuclear Scattering NUCLEAR REACTIONS 28Si(16O, 16O), (16O, 16O'), E=39-45, 70-77 MeV; measured σ(θ); deduced chaotic behavior. Coupled-channels calculations.
doi: 10.1016/S0370-2693(98)01562-7
1998MA40 Phys.Rev. C58, 601 (1998) H.D.Marta, R.Donangelo, D.Tomasi, J.O.Fernandez Niello, A.J.Pacheco Slope Anomaly in Neutron Transfer Reactions NUCLEAR REACTIONS 96,100Mo(32S, X), E=180 MeV; 208Pb(28Si, X), E=152, 225 MeV; 92Mo(36S, X), E=180 MeV; analyzed one-, two-neutron transfer probabilities; deduced absorption, tunneling effects. Semiclassical model.
doi: 10.1103/PhysRevC.58.601
1997CA05 Phys.Rev. C55, 766 (1997) O.A.Capurro, D.E.DiGregorio, S.Gil, D.Abriola, M.di Tada, J.O.Fernandez Niello, A.O.Macchiavelli, G.V.Marti, A.J.Pacheco, J.E.Testoni, D.Tomasi, I.Urteaga Average Angular Momentum in Compound Nucleus Reactions Deduced from Isomer Ratio Measurements NUCLEAR REACTIONS, ICPND 110Pd(12C, 3n), E=36.5-54 MeV; 115In(7Li, 3n), E=20.4-37.1 MeV; measured σ(E), residual isomer to ground states absolute yield ratio; analyzed statistical model parameters; deduced compound nucleus average angular momentum. Off-line observation of delayed γ-emission.
doi: 10.1103/PhysRevC.55.766
1997MA26 Phys.Rev. C55, 2975 (1997) H.D.Marta, R.Donangelo, D.Tomasi, J.O.Fernandez Niello, A.J.Pacheco Absorption and Tunneling Effects in One- and Two-Proton Transfer Reactions NUCLEAR REACTIONS 197Au(12C, X), E=57, 60, 70, 82 MeV; analyzed σ(θ) for 1p-, 2p-transfer reactions; deduced relative effect of Coulomb, nuclear processes on transfer probabilities.
doi: 10.1103/PhysRevC.55.2975
1996CA05 Phys.Rev. C53, 1301 (1996) O.A.Capurro, D.E.DiGregorio, S.Gil, D.Abriola, M.Di Tada, J.O.Fernandez Niello, A.O.Macchiavelli, G.V.Marti, A.J.Pacheco, J.E.Testoni, D.Tomasi, I.Urteaga Sub- and Near-Barrier Reactions for 12C + 108,110Pd and 7Li + 113,115In NUCLEAR REACTIONS 113,115In(7Li, X), E=20.4-37.1 MeV; 108,110Pd(12C, X), E=36.5-54 MeV; measured γ spectra, evaporation, transfer residues production σ(E); deduced model parameters. Fusion, statistical models comparisons. Enriched targets, hyperpure Ge detectors.
doi: 10.1103/PhysRevC.53.1301
1996FE16 Nucl.Instrum.Methods Phys.Res. B117, 156 (1996) J.O.Fernandez Niello, D.Abriola, D.E.Alvarez, O.A.Capurro, M.di Tada, A.Etchegoyen, A.M.J.Ferrero, G.V.Marti, A.J.Pacheco, J.E.Testoni, G.Korschinek Developments of AMS at the TANDAR Accelerator
doi: 10.1016/0168-583X(96)00223-6
1996MA60 Phys.Rev. C54, 3156 (1996) H.D.Marta, R.Donangelo, D.Tomasi, J.O.Fernandez Niello, A.J.Pacheco Effect of Nuclear Absorption on Nucleon Transfer Probabilities in Heavy-Ion Reactions NUCLEAR REACTIONS 197Au(12C, X), E=57-82 MeV; 197Au(16O, X), E=75-110 MeV; analyzed one-, two-proton transfer σ; deduced nuclear absorption role. Classical dynamics approach.
doi: 10.1103/PhysRevC.54.3156
1996OL02 Phys.Rev. C53, 2926 (1996) J.M.Oliveira, Jr., A.Lepine-Szily, A.C.C.Villari, R.Lichtenthaler, L.C.Gomes, W.Sciani, P.Fachini, G.L.Lima, A.C.G.Martins, V.Chiste, J.M.Casandjian, A.J.Pacheco, J.E.Testoni, D.Abriola, A.O.Macchiavelli, F.Hasenbalg, O.A.Capurro, D.Tomasi, J.Fernandez Niello, D.Brandizzi Orbiting Features in the Strongly Damped Binary Decay of the 28Si + 16O System NUCLEAR REACTIONS 16O(28Si, 28Si), (28Si, 32S), (28Si, 24Mg), E=107.5, 139 MeV; measured σ(θ), emitted particles mass distribution; deduced optical model parameters, reaction mechanism. Coupled-channels analysis.
doi: 10.1103/PhysRevC.53.2926
1996TO06 Phys.Rev. C54, 1282 (1996) D.Tomasi, J.O.Fernandez Niello, A.J.Pacheco, D.Abriola, J.E.Testoni, A.O.Macchiavelli, O.A.Capurro, D.E.DiGregorio, M.di Tada, G.V.Marti, I.Urteaga One and Two Charge Stripping Reactions in the 12C + 197Au and 16O + 197Au Systems at Large Distances NUCLEAR REACTIONS 197Au(12C, X), E=56-82 MeV; 197Au(16O, X), E=74-110 MeV; measured γ(fragment)-coin, projectilelike fragments Q-value spectra, one-, two-charge transfer σ(θ); deduced transfer probabilities incident energy dependence. Semi-classical, optical models analyses.
doi: 10.1103/PhysRevC.54.1282
1995AC04 Nucl.Instrum.Methods Phys.Res. A361, 222 (1995) E.Achterberg, A.J.Pacheco, M.di Tada, J.O.Fernandez Niello, R.Liberman, G.V.Marti, M.Ramirez, J.E.Testoni, K.Koide Initial Tests of the Magnetic Spectrometer at the TANDAR Accelerator NUCLEAR REACTIONS 197Au(12C, 12C), E=60-80 MeV; 197Au(16O, 16O), E=80-100 MeV; 197Au(32S, 32S), E=170 MeV; measured particle spectra; deduced system characteristics. New magnetic spectrometer, 120Sn(16O, 16O) also studied.
doi: 10.1016/0168-9002(95)00252-9
1995GI02 Phys.Rev. C51, 1336 (1995) S.Gil, F.Hasenbalg, J.E.Testoni, D.Abriola, M.C.Berisso, M.di Tada, A.Etchegoyen, J.O.Fernandez Niello, A.J.Pacheco, A.Charlop, A.A.Sonzogni, R.Vandenbosch Fusion Cross Sections in Systems Leading to 170Hf at Near-Barrier Energies NUCLEAR REACTIONS, ICPND 142Ce(28Si, X), E=105-145 MeV; 138Ba(32S, X), E=122-165 MeV; 122Sn(48Ti, X), E=169-222 MeV; measured E X-ray, I X-ray following fragment decay; deduced evaporation residue σ, fusion σ(E), barrier parameters.
doi: 10.1103/PhysRevC.51.1336
1994CH06 Phys.Rev. C49, R1235 (1994) A.Charlop, J.Bierman, Z.Drebi, A.Garcia, D.Prindle, A.A.Sonzogni, R.Vandenbosch, D.Ye, S.Gil, F.Hasenbalg, J.E.Testoni, D.Abriola, M.di Tada, A.Etchegoyen, M.C.Berisso, J.O.Fernandez-Niello, A.J.Pacheco Absence of Anomalous Entrance Channel Effects in Sub-Barrier Heavy Ion Fusion NUCLEAR REACTIONS 142Ce(28Si, X), 138Ba(32S, X), 122Sn(48Ti, X), E not given; measured fusion σ(E), γ multiplicity; deduced mean angular momentum. Coupled channels analysis.
doi: 10.1103/PhysRevC.49.R1235
1994GO01 Phys.Rev. C49, 245 (1994) P.R.S.Gomes, I.C.Charret, R.Wanis, G.M.Sigaud, V.R.Vanin, R.Liguori Neto, D.Abriola, O.A.Capurro, D.E.DiGregorio, M.di Tada, G.Duchene, M.Elgue, A.Etchegoyen, J.O.Fernandez Niello, A.M.J.Ferrero, S.Gil, A.O.Macchiavelli, A.J.Pacheco, J.E.Testoni Fusion of 32S + 154Sm at Sub-Barrier Energies NUCLEAR REACTIONS 154Sm(32S, xnypzα), E=122-155 MeV; measured E X-ray, I X-ray; deduced fusion-evaporation σ(E); calculated evaporation residue, fission, fusion σ(E). 154Sm(α, X), (12C, X), (16O, X), (28Si, X), (32S, X), (40Ar, X), E not given; calculated fusion σ(E).
doi: 10.1103/PhysRevC.49.245
1993DI04 Phys.Rev. C47, 2970 (1993) M.di Tada, D.E.DiGregorio, D.Abriola, O.A.Capurro, G.Duchene, M.Elgue, A.Etchegoyen, J.O.Fernandez Niello, A.M.J.Ferrero, A.J.Pacheco, P.R.Silveira Gomes, J.E.Testoni Sub-Barrier Fusion of 16O + 144Nd NUCLEAR REACTIONS, ICPND 144Nd(16O, X), E(cm)=54-67.5 MeV; measured X-ray spectra; deduced fusion σ(E). Barrier penetration model, inelastic channels.
doi: 10.1103/PhysRevC.47.2970
1993TO10 Phys.Rev. C48, 2840 (1993) D.Tomasi, J.O.Fernandez Niello, A.O.Macchiavelli, A.J.Pacheco, J.E.Testoni, D.Abriola, O.A.Capurro, D.E.Di Gregorio, M.di Tada, C.P.Massolo, F.Penayo One Neutron Pickup Reactions in the 32S + 144Sm and 32S + 166Er Systems at Energies Close to the Coulomb Barrier NUCLEAR REACTIONS, ICPND 166Er, 144Sm(32S, 33S), E=123.5-152.5 MeV; measured σ(E); deduced nucleon transfer probabilities. Off-line X-ray activities, semi-classical analyses.
doi: 10.1103/PhysRevC.48.2840
1992AB04 Phys.Rev. C46, 244 (1992) D.Abriola, A.A.Sonzogni, M.di Tada, A.Etchegoyen, M.C.Etchegoyen, J.O.Fernandez Niello, S.Gil, A.O.Macchiavelli, A.J.Pacheco, R.Piegaia, J.E.Testoni Fusion and Elastic Scattering for the 12C + 144Sm System at Energies Near to the Coulomb Barrier NUCLEAR REACTIONS, ICPND 144Sm(12C, X), E=46.5-75 MeV; 144Sm(12C, 12C), E=49-63 MeV; measured σ(E), σ(E, θ); deduced optical model parameters. Enriched targets, X-ray, γ-spectroscopy. Energy-dependent potentials.
doi: 10.1103/PhysRevC.46.244
1992FE01 Phys.Rev. C45, 748 (1992) J.O.Fernandez Niello, J.E.Testoni, M.diTada, A.J.Pacheco, D.R.Napoli, A.M.Stefanini, L.Corradi, B.Million, M.Narayanasamy, P.Spolaore, S.Beghini, G.Montagnoli, F.Scarlassara, G.F.Segato, C.Signorini, F.Soramel Near-Barrier Transfer Reactions in the 36S + 144,154Sm Systems NUCLEAR REACTIONS 144,154Sm(36S, X), E=142, 155 MeV; measured transfer reaction σ(E, θ); deduced model parameters. Semiclassical approaches.
doi: 10.1103/PhysRevC.45.748
1992PA15 Phys.Rev. C45, 2861 (1992) A.J.Pacheco, J.O.Fernandez Niello, D.E.DiGregorio, M.diTada, J.E.Testoni, Y.Chan, E.Chavez, S.Gazes, E.Plagnol, R.G.Stokstad Capture Reactions in the 40,48Ca + 197Au and 40,48Ca + 208Pb Systems NUCLEAR REACTIONS 208Pb, 197Au(40Ca, F), (48Ca, F), E=195-416 MeV; measured capture fission fragment σ(θ), σ vs E; deduced isotopic dependence. Extra push model, coupled-channels analyses.
doi: 10.1103/PhysRevC.45.2861
1991FE02 Phys.Rev. C43, 2303 (1991) J.O.Fernandez Niello, M.diTada, A.O.Macchiavelli, A.J.Pacheco, D.Abriola, M.Elgue, A.Etchegoyen, M.C.Etchegoyen, S.Gil, J.E.Testoni Hexadecapole Deformation Effects in Subbarier Fusion Reactions NUCLEAR REACTIONS, ICPND 176Yb, 166Er(16O, X), E=64.5-103 MeV; measured fusion σ(E); deduced deformations role. Delayed X-ray emission activity measured.
doi: 10.1103/PhysRevC.43.2303
1990GI07 Phys.Rev.Lett. 65, 3100 (1990) S.Gil, D.Abriola, D.E.DiGregorio, M.diTada, M.Elgue, A.Etchegoyen, M.C.Etchegoyen, J.Fernandez Niello, A.M.J.Ferrero, A.O.Macchiavelli, A.J.Pacheco, J.E.Testoni, P.Silveira-Gomes, V.R.Vanin, A.Charlop, A.Garcia, S.Kailas, S.J.Luke, E.Renshaw, R.Vandenbosch Observation of Mean-Spin Barrier Bump in Sub-Barrier Fusion of 28Si with 154Sm NUCLEAR REACTIONS, ICPND 154Sm(28Si, X), E=107-144 MeV; 166Er(16O, X), E=75-100 MeV; measured γ-multiplicity; deduced fusion σ(E). 182Os deduced spin distribution first moment vs E.
doi: 10.1103/PhysRevLett.65.3100
1990ME07 Phys.Rev. C41, 2654 (1990) A.Menchaca-Rocha, E.Belmont-Moreno, M.E.Brandan, A.Martinez, D.Abriola, M.Elgue, A.Etchegoyen, M.C.Etchegoyen, J.O.Fernandez-Niello, D.E.DiGregorio, M.diTada, A.O.Macchiavelli, A.J.Pacheco, J.E.Testoni Search for a Valence-Neutron-Induced Enhancement in the Sub-Barrier Fusion of 32S + 12,13C NUCLEAR REACTIONS, ICPND 32S(12C, X), (13C, X), E=47-72 MeV; measured evaporation residues σ(θ); deduced fusion σ. Schematic coupled channel calculations.
doi: 10.1103/PhysRevC.41.2654
1989AB03 Phys.Rev. C39, 546 (1989) D.Abriola, D.DiGregorio, J.E.Testoni, A.Etchegoyen, M.C.Etchegoyen, J.O.Fernandez Niello, A.M.J.Ferrero, S.Gil, A.O.Macchiavelli, A.J.Pacheco, J.Kittl Energy Dependence of the Optical Potential for the 16O + 144Sm System Near the Coulomb Barrier NUCLEAR REACTIONS, ICPND 144Sm(16O, 16O), (16O, 16O'), E=61-76.3 MeV; measured σ(θ), σ(E); deduced model parameters. Optical model and DWBA analyses, energy-dependent potentials.
doi: 10.1103/PhysRevC.39.546
1989DI01 Phys.Rev. C39, 516 (1989) D.E.DiGregorio, M.diTada, D.Abriola, M.Elgue, A.Etchegoyen, M.C.Etchegoyen, J.O.Fernandez Niello, A.M.J.Ferrero, S.Gil, A.O.Macchiavelli, A.J.Pacheco, J.E.Testoni, P.R.Silveira Gomes, V.R.Vanin, R.Liguori Neto, E.Crema, R.G.Stokstad Subbarrier Fusion of 16O + 147,149Sm NUCLEAR REACTIONS, ICPND 147,149Sm(16O, X), (16O, n), (16O, 3n), (16O, 4n), (16O, xnα), E=61-75 MeV; measured fusion σ(E), residual relative yield vs E.
doi: 10.1103/PhysRevC.39.516
1988ET02 Phys.Rev. C38, 2124 (1988) A.Etchegoyen, M.C.Etchegoyen, E.D.Izquierdo, D.Abriola, D.E.Di Gregorio, J.O.Fernandez Niello, A.M.J.Ferrero, S.Gil, A.O.Macchiavelli, A.J.Pacheco, J.E.Testoni 10B(7Li, 7Be)10Be Charge-Exchange Reaction NUCLEAR REACTIONS 10B(7Li, 7Be), 10B(7Li, 7Li), E=39 MeV; measured σ(E(7Be)), σ(θ); deduced reaction mechanism. Microscopic DWBA analyses, different nucleon-nucleon interactions.
doi: 10.1103/PhysRevC.38.2124
1988PA23 Z.Phys. A331, 451 (1988) A.J.Pacheco, A.O.Macchiavelli, D.Abriola, D.E.DiGregorio, A.Etchegoyen, M.C.Etchegoyen, J.O.Fernandez Niello, A.M.J.Ferrero, S.Gil, J.A.Kittl, J.E.Testoni Near-Barrier Transfer in 16O + 144,154Sm NUCLEAR REACTIONS 144,154Sm(16O, X), E=65, 72 MeV; measured σ(fragment θ) for X=N, C; deduced charged particle transfer σ, reaction mechanism. Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1721. 1987KI19 Nucl.Phys. A471, 587 (1987) J.A.Kittl, J.E.Testoni, A.O.Macchiavelli, A.J.Pacheco, D.Abriola, D.E. Di Gregorio, A.Etchegoyen, M.C.Etchegoyen, J.O.Fernandez Niello, A.M.J.Ferrero, S.Gil Scattering, Fusion and Transfer Reactions in 16O+(A)(Sm) at Energies Close to the Coulomb Barrier NUCLEAR REACTIONS, ICPND 144Sm(16O, X), (16O, 16O), (16O, 16O'), E=61-72.3; 148Sm(16O, X), (16O, 16O), (16O, 16O'), E=59-75 MeV; 152,154,150Sm(16O, 16O), (16O, X), (16O, 16O'), E=60-75 MeV; analyzed elastic, inelastic σ(θ), fusion, transfer σ(E). Intrinsic coordinate dependent phase shifts, equivalent spheres formalism.
doi: 10.1016/0375-9474(87)90101-1
1986DI08 Phys.Lett. 176B, 322 (1986) D.E.Di Gregorio, J.O.Fernandez Niello, A.J.Pacheco, D.Abriola, S.Gil, A.O.Macchiavelli, J.E.Testoni, P.R.Pascholati, V.R.Vanin, R.Liguori Neto, N.Carlin Filho, M.M.Coimbra, P.R.Silveira Gomes, R.G.Stokstad Fusion of 16O + 144Sm at Sub-Barrier Energies NUCLEAR REACTIONS, ICPND 144Sm(16O, X), E=63-72 MeV; measured (X-ray)(t); deduced fusion σ(E).
doi: 10.1016/0370-2693(86)90172-3
1986SO05 Phys.Lett. 175B, 27 (1986) L.G.Sobotka, G.J.Wozniak, R.J.McDonald, M.A.McMahan, R.J.Charity, L.G.Moretto, Z.H.Liu, F.S.Stephens, R.M.Diamond, M.A.Deleplanque, A.J.Pacheco Excitation Energy Division in the First 160 MeV of Total Kinetic Energy Loss for the Reaction 684 MeV 80Kr + 174Yb NUCLEAR REACTIONS 174Yb(80Kr, X)168Hf/170Hf/172Hf/174Hf/176Hf, E=684 MeV; measured (fragment)γ-coin, mean Hf isotope mass; deduced excitation energy division, thermal equilibrium channel dependence.
doi: 10.1016/0370-2693(86)90325-4
1985MO19 Nucl.Phys. A442, 578 (1985) D.J.Morrissey, G.J.Wozniak, L.G.Sobotka, R.J.McDonald, A.J.Pacheco, L.G.Moretto Sequential Fission Angular Distribution from Mass-Asymmetric Heavy-Ion Reactions NUCLEAR REACTIONS 197Au, 238U(40Ar, XF), E=340 MeV; measured sequential fission fragment in-plane, out-of-plane σ(θ); deduced spin transfer, alignment. Equilibrium statistical model, other data systematics.
doi: 10.1016/S0375-9474(85)80031-2
1983PA03 Nucl.Phys. A397, 313 (1983) A.J.Pacheco, G.J.Wozniak, R.J.McDonald, R.M.Diamond, C.C.Hsu, L.G.Moretto, D.J.Morrissey, L.G.Sobotka, F.S.Stephens Angular-Momentum Transfer and Alignment in Deep-Inelastic Reactions for nearly Symmetric Heavy-Ion Systems NUCLEAR REACTIONS 176Yb, 148Sm, Ag(165Ho, X), E=1400 MeV; measured continuum γ(θ), γ-multiplicity; deduced fragment spin distributions.
doi: 10.1016/0375-9474(83)90106-9
1983SO05 Phys.Rev. C28, 219 (1983) L.G.Sobotka, R.J.McDonald, G.J.Wozniak, D.J.Morrissey, A.J.Pacheco, L.G.Moretto Alpha-Particle Emission from the Reaction 1354 MeV 165Ho + 181Ta NUCLEAR REACTIONS 181Ta(165Ho, αX), E=1354 MeV; measured σ(Eα, θα, fragment θ), σ(Eα, φα, fragment θ); deduced α-particle multiplicity, nuclear temperature.
doi: 10.1103/PhysRevC.28.219
1983SO08 Phys.Rev.Lett. 51, 2187 (1983) L.G.Sobotka, M.L.Padgett, G.J.Wozniak, G.Guarino, A.J.Pacheco, L.G.Moretto, Y.Chan, R.G.Stokstad, I.Tserruya, S.Wald Compound-Nucleus Decay via the Emission of Heavy Nuclei NUCLEAR REACTIONS Ag(3He, α), (3He, 7Be), (3He, 9Be), E=90 MeV; measured σ(θ), σ(θ, Eα), σ(θ, E(Be)). Ag(3He, X), E=90 MeV; measured σ(fragment E), σ(fragment θ), σ(fragment Z) for X=B, C, N, O; deduced reaction mechanism.
doi: 10.1103/PhysRevLett.51.2187
1982MC02 Nucl.Phys. A373, 54 (1982) R.J.McDonald, A.J.Pacheco, G.J.Wozniak, H.H.Bolotin, L.G.Moretto, C.Schuck, S.Shih, R.M.Diamond, F.S.Stephens Evidence for Spin Fluctuations in the Deep-Inelastic Reaction 165Ho + 165Ho at 8.5 MeV/amu NUCLEAR REACTIONS 165Ho(165Ho, X), E=1.4 GeV; measured γ-multiplicity, anisotropy; deduced transfer angular momentum magnitude, alignment, (Q) dependence. Equilibrium model, deep inelastic processes.
doi: 10.1016/0375-9474(82)90181-6
1982MO06 Z.Phys. A305, 131 (1982) D.J.Morrissey, G.J.Wozniak, L.G.Sobotka, A.J.Pacheco, C.C.Hsu, R.J.McDonald, L.G.Moretto Angular Momentum, Statistical Equilibrium and Sequential Fission in Very Asymmetric Systems NUCLEAR REACTIONS, Fission 197Au, 238U(20Ne, F), E=252 MeV; measured (fragment)(fragment)-coin, σ(fragment θ, φ). Statistical model.
doi: 10.1007/BF01415020
1982MO21 Nucl.Phys. A389, 120 (1982) D.J.Morrissey, G.J.Wozniak, L.G.Sobotka, A.J.Pacheco, R.J.McDonald, C.C.Hsu, L.G.Moretto Intrinsic Fragment Spins Generated in the Reactions of 20Ne with 197Au and 238U at 12.6 MeV/Nucleon NUCLEAR REACTIONS 238U, 197Au(20Ne, F), E=252 MeV; measured fission σ(fragment E), (fragment)(fragment)-coin, σ(E1, φ1, E2, φ2), σ(E1, φ2, E2, θ2); deduced fragment spin, alignment vs (Q). In-plane, out-of-plane measurements. Equilibrium statistical model.
doi: 10.1016/0375-9474(82)90294-9
1982SC10 Nucl.Phys. A379, 313 (1982) Equilibrium Treatment of Spin-Depolarizing Modes in Mass Asymmetric Heavy-Ion Systems NUCLEAR REACTIONS, Fission 197Au(Kr, F), E=600 MeV; calculated σ(fragment θ), σ(fragment φ), sequential fission. Two sphere model, spin depolarizing mode thermal excitation.
doi: 10.1016/0375-9474(82)90395-5
1982SO06 Phys.Rev. C25, 1693 (1982) L.G.Sobotka, R.J.McDonald, G.J.Wozniak, D.J.Morrissey, A.J.Pacheco, L.G.Moretto Alpha-Particle Emission from the Deep-Inelastic Reaction 1354 MeV 165Ho + 181Ta NUCLEAR REACTIONS 181Ta(165Ho, αX), E=1354 MeV; measured σ(Eα, θα, fragment θ); deduced α-emission mechanism. ΔE-E telescopes. Deep inelastic reaction.
doi: 10.1103/PhysRevC.25.1693
1981MO14 Nucl.Phys. A364, 125 (1981) L.G.Moretto, S.K.Blau, A.J.Pacheco Angular Momentum Misalignment in Deep Inelastic Processes and Angular Distribution of Sequentially Emitted Particles and Gamma Rays NUCLEAR REACTIONS, Fission 197Au(86Kr, F), E=600, 618 MeV; calculated σ(fragment, θ), σ(fragment, φ). Ag(84Kr, F), E=664 MeV; calculated σ(φα), σ(θα), γ(θ) following sequential fission. Thermal excitation, bending, twisting, wrigling, tilting modes.
doi: 10.1016/0375-9474(81)90437-1
1981SO01 Phys.Rev.Lett. 46, 887 (1981) L.G.Sobotka, C.C.Hsu, G.J.Wozniak, G.U.Rattazzi, R.J.McDonald, A.J.Pacheco, L.G.Moretto Rigid Rotation and l-Wave Fractionation in the Deep-Inelastic Reaction: 664-MeV 84Kr + (nat)Ag NUCLEAR REACTIONS Ag(84Kr, X), E=664 MeV; measured γ-multiplicity, (fragment)αγ-coin, σ(α(φ), fragment Z); deduced fragment spins. Rigid rotation, deep inelastic reaction.
doi: 10.1103/PhysRevLett.46.887
1980WO03 Phys.Rev.Lett. 45, 1081 (1980) G.J.Wozniak, R.J.McDonald, A.J.Pacheco, C.C.Hsu, D.J.Morrissey, L.G.Sobotka, L.G.Moretto, S.Shih, C.Schuck, R.M.Diamond, H.Kluge, F.S.Stephens Rise and Fall of the Spin Alignment in Deep-Inelastic Reactions NUCLEAR REACTIONS 165Ho(165Ho, X), E=8.5 MeV/nucleon; measured γ-multiplicity, anisotropy; deduced transferred angular momentum magnitude, alignment vs Q, spin alignment behavior in deep inelastic reactions.
doi: 10.1103/PhysRevLett.45.1081
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