NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = A.Etchegoyen Found 26 matches. 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
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
1993FI03 Nucl.Phys. A552, 125 (1993) L.K.Fifield, W.N.Catford, N.A.Orr, T.R.Ophel, A.Etchegoyen, M.C.Etchegoyen Charge-Exchange Reactions on 36S NUCLEAR REACTIONS 36S(7Li, 7Be), E=54 MeV; 36S(11B, 11C), E=81 MeV; 36S(13C, 13N), E=94.5 MeV; 36S(13C, 13C), E=98 MeV; 36S(18O, 18F), E=124 MeV; 36S(18O, 18O), E=112 MeV; measured σ(θ), spectra; deduced optical potentials, reaction mechanism.
doi: 10.1016/0375-9474(93)90335-U
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
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
1990ET01 Nucl.Phys. A518, 572 (1990) M.C.Etchegoyen, A.Etchegoyen, A.O.Macchiavelli, G.Crawley, C.Djalali, M.Renteria, A.Szanto de Toledo, G.Westfall 18O + 58Ni Reaction at 35 MeV/Nucleon NUCLEAR REACTIONS, ICPND 58Ni(18O, X), E=630 MeV; measured fragment σ(θ), σ(Z, A) vs fragment momentum, integrated σ, fragments momentum width; deduced distribution reduced width.
doi: 10.1016/0375-9474(90)90147-E
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
1989ET01 Phys.Rev. C39, 680 (1989) A.Etchegoyen, M.C.Etchegoyen, B.H.Wildenthal Neutron-Proton Weak Coupling: Reducing shell-model dimensions by truncations in the neutron and proton subspaces NUCLEAR STRUCTURE 20,22Ne; calculated levles, B(E2). Shell model truncations, separate neutron, proton subspaces.
doi: 10.1103/PhysRevC.39.680
1989ET02 Phys.Rev. C39, 1130 (1989) A.Etchegoyen, P.Federman, E.G.Vergini Importance of the Neutron-Proton Interaction for Zr Isotopes NUCLEAR STRUCTURE 100,102,104Zr; calculated levels. Shell model method.
doi: 10.1103/PhysRevC.39.1130
1989ET03 Phys.Lett. 231B, 224 (1989) A.Etchegoyen, E.D.Izquierdo, M.C.Etchegoyen Tensor Force in Single-Nucleon Knock-On Exchange in Heavy-Ion Reactions NUCLEAR REACTIONS 10B(7Li, 7Be), E=39 MeV; calculated σ(θ). Single nucleon knock-on mechanism.
doi: 10.1016/0370-2693(89)90203-7
1988ET01 Phys.Rev. C38, 1382 (1988) M.C.Etchegoyen, A.Etchegoyen, B.H.Wildenthal, B.A.Brown, J.Keinonen Analysis of Magnetic Dipole Transitions between sd-Shell States NUCLEAR STRUCTURE A=18-38; calculated B(M1); deduced effective magnetic dipole operator. Shell model.
doi: 10.1103/PhysRevC.38.1382
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
1984ET01 J.Phys.(London) G10, 823 (1984) M.C.Etchegoyen, A.Etchegoyen, E.Blemont Moreno Three-Particle Transfer on 14N NUCLEAR STRUCTURE 17F, 17O; calculated levels, three-nucleon parentage amplitudes. Shell model. NUCLEAR REACTIONS 14N(6Li, t), (6Li, 3He), E=36 MeV; measured σ(θ), 3Heα(θ), tα(θ); deduced three-particle transfer process high selectivity, optical model parameters. 6Li level deduced weak triton plus 3He clustering. 17F, 17O levels deduced J, π. Exact finite-range DWBA analysis, shell model calculations.
doi: 10.1088/0305-4616/10/6/015
1984FE04 Phys.Lett. 140B, 269 (1984) P.Federman, S.Pittel, A.Etchegoyen Quenching of the 2p1/2 - 2p3/2 Proton Spin-Orbit Splitting in the Sr-Zr Region NUCLEAR STRUCTURE 88,90,92,94,96,98Sr; analyzed 2+ level systematics; deduced 2p-proton spin-orbit splitting quenching role. Shell model.
doi: 10.1016/0370-2693(84)90750-0
1983ET01 Nucl.Phys. A397, 343 (1983) A.Etchegoyen, D.Sinclair, S.Liu, M.C.Etchegoyen, D.K.Scott, D.L.Hendrie A Study of the 26Mg(12C, 12B)26Al Charge Exchange Reaction NUCLEAR REACTIONS 26Mg(12C, 12B), E=102 MeV; measured σ(θ); deduced reaction mechanism. Microscopic DWBA, coupled reaction channel models.
doi: 10.1016/0375-9474(83)90107-0
1983ET02 Nucl.Phys. A402, 87 (1983) M.C.Etchegoyen, D.Sinclair, A.Etchegoyen, E.Belmont Moreno Spin Determination via α - d Angular Correlations and α-Transfer DWBA Analysis in 18F High-Energy States NUCLEAR REACTIONS 14N(6Li, d), E=36 MeV; measured σ(θd), αd(θ). 18F resonances deduced J, π, α-branching, Sα. Optical model, Hauser-Feshbach, exact finite-range DWBA analyses, cluster model interpretation.
doi: 10.1016/0375-9474(83)90563-8
1981GO02 Nucl.Phys. A351, 519 (1981) N.S.Godwin, W.D.M.Rae, B.Cooke, A.Etchegoyen, N.J.Eyre, P.S.Fisher, G.Proudfoot, D.Sinclair A Study of Three-Nucleon Transfer Reactions on 18O NUCLEAR REACTIONS 18O(11B, 8Li), (12C, 9Be), E=115 MeV; 18O(13C, 10B), E=105 MeV; measured σ(E(8Li)), σ(E(9Be)), σ(E(10B)). Shell model, semiclassical reaction model. Enriched gas target.
doi: 10.1016/0375-9474(81)90186-X
1981GO11 Nucl.Phys. A363, 493 (1981) N.S.Godwin, W.D.M.Rae, B.Cooke, A.Etchegoyen, N.J.Eyre, P.S.Fisher, G.Proudfoot, D.Sinclair A DWBA Analysis of Heavy-Ion Induced Three-Nucleon Transfer Reactions on 15N, 16O and 18O NUCLEAR REACTIONS 15N, 16,18O(11B, 8Li), (12C, 9Be), E=115 MeV; 15N, 16,18O(13C, 10B), E=105 MeV; measured σ(θ). DWBA analysis. Enriched gas target.
doi: 10.1016/0375-9474(81)90270-0
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