NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = J.O.Fernandez-Niello Found 62 matches. 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
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
2014CA08 Phys.Rev.Lett. 112, 192701 (2014) P.F.F.Carnelli, S.Almaraz-Calderon, K.E.Rehm, M.Albers, M.Alcorta, P.F.Bertone, B.Digiovine, H.Esbensen, J.O.Fernandez Niello, D.Henderson, C.L.Jiang, J.Lai, S.T.Marley, O.Nusair, T.Palchan-Hazan, R.C.Pardo, M.Paul, C.Ugalde Measurements of Fusion Reactions of Low-Intensity Radioactive Carbon Beams on 12C and their Implications for the Understanding of X-Ray Bursts NUCLEAR REACTIONS 12C(10C, X), (12C, X), (13C, X), (14C, X), (15C, X), E=40-50 MeV; measured fusion reaction products; deduced S-factors, σ. Time-dependent HF calculations.
doi: 10.1103/PhysRevLett.112.192701
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
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
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
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
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
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
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
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.
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.
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
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
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
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
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
Back to query form Note: The following list of authors and aliases matches the search parameter J.O.Fernandez-Niello: J.O.FERNANDEZ NIELLO, J.O.FERNANDEZ-NIELLO |