NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = J.Ruiz Found 22 matches. 1996PO23 Nucl.Instrum.Methods Phys.Res. B111, 315 (1996) E.Porras, T.Carter, J.M.Perez, J.L.Ferrero, F.Sanchez, J.A.Ruiz, Y.Schutz, F.Lei, A.J.Dean, V.Reglero, P.Olmos Production of Radionuclides by 1.7 GeV Proton-Induced Reactions on CdTe Crystals NUCLEAR REACTIONS Cd, Te(p, X), E=1.7 GeV; measured unstable residuals production σ. Activation technique. Comparison with Monte Carlo simulation, implications for satellite-borne γ-ray telescopes discussed.
doi: 10.1016/0168-583X(95)01435-7
1996VO02 Z.Phys. A353, 373 (1996) W.von Oertzen, Th.Wilpert, B.Bilwes, L.Stuttge, J.L.Ferrero, J.A.Ruiz, I.J.Thompson, B.Imanishi A Study of Coupled-Reaction Channel Effects in the 36S + 37Cl System, Hybridization between Single Particle Orbits NUCLEAR REACTIONS 36S(37Cl, 37Cl), (37Cl, 37Cl'), E=101.4 MeV; measured Q-value spectra, σ(θ). 36S levels deduced collective excitation parameters. Coupled reaction channel approach.
doi: 10.1007/BF01285149
1995LO02 Nucl.Phys. A581, 373 (1995) Y.Lou, M.Gonin, R.Wada, K.Hagel, J.Li, B.Xiao, M.Gui, D.Utley, R.Tezkratt, L.Cooke, T.Botting, B.Hurst, D.O'Kelly, G.Mouchaty, R.P.Schmitt, W.Turmel, J.B.Natowitz, D.Fabris, G.Nebbia, G.Viesti, J.Ruiz, R.Burch, F.Gramegna, M.Poggi, G.Prete, M.E.Brandan, A.Menchaca-Rocha Light-Particle Evaporation as a Function of Neutron Excess for Medium-Mass Compound Nuclei with E(x) ≈ 2 MeV/u NUCLEAR REACTIONS 92,100Mo(63Cu, F), E=10 MeV/nucleon; 144,148,154Sm(20Ne, F), E=20 MeV/nucleon; measured fission (fragment)α-coin, proton, neutron, α-multiplicities, mass, total kinetic energy, linear momentum transfer distributions; deduced dynamic fission role. Statistical model analysis.
doi: 10.1016/0375-9474(94)00482-3
1995PA19 Nucl.Phys. A588, 537 (1995) J.C.Pacheco, B.Bilwes, F.Sanchez, J.A.Ruiz, J.Diaz, J.L.Ferrero, D.Kadi-Hanifi Surface Absorption in the 32S + 24Mg Interactions at Energies Near the Coulomb Barrier NUCLEAR REACTIONS 24Mg(32S, 32S), E=65-110 MeV; measured σ(θ); deduced narrow surface absorption evidence. Optical model.
doi: 10.1016/0375-9474(95)00058-9
1995PO23 Nucl.Instrum.Methods Phys.Res. B95, 344 (1995) E.Porras, T.Carter, J.M.Perez, J.L.Ferrero, F.Sanchez, J.A.Ruiz, Y.Schutz, F.Lei, A.J.Dean, V.Reglero, P.Olmos High Energy Proton-Induced Radioactivity in HgI2 Crystals NUCLEAR REACTIONS 127I, Hg(p, X), E=1.7 GeV; measured γ-spectra; deduced production σ for 126I to 187W. Mercuric iodide semiconductor crystals.
doi: 10.1016/0168-583X(94)00604-0
1994HA34 Phys.Rev. C50, 2017 (1994) K.Hagel, M.Gonin, R.Wada, J.B.Natowitz, F.Haddad, Y.Lou, M.Gui, D.Utley, B.Xiao, J.Li, G.Nebbia, D.Fabris, G.Prete, J.Ruiz, D.Drain, B.Chambon, B.Cheynis, D.Guinet, X.C.Hu, A.Demeyer, C.Pastor, A.Giorni, A.Lleres, P.Stassi, J.B.Viano, P.Gonthier Violent Collisions and Multifragment Final States in the 40Ca + 40Ca Reaction at 35 MeV/nucleon NUCLEAR REACTIONS 40Ca(40Ca, X), (40Ar, X), E=35 MeV/nucleon; measured fragment yield distributions, energy spectra, σ(fragment, θ), charged particle, neutron multiplicity; deduced charge distribution moments, multi-fragment probability, inpact parameter distributions. Quantum molecular dynamics model analysis. AMPHORA 4π charged particle detector, neutron ball.
doi: 10.1103/PhysRevC.50.2017
1993BI01 Phys.Rev.Lett. 70, 259 (1993) R.Bilwes, B.Bilwes, L.Stuttge, J.L.Ferrero, J.A.Ruiz, W.von Oertzen, B.Imanishi Hybridization of sd- and fp-Shell Proton Orbitals in the System 36S + 37Cl NUCLEAR REACTIONS 36S(37Cl, 37Cl), (37Cl, 37Cl'), E(cm)=50 MeV; measured σ(θ); deduced different parity orbits hybridization.
doi: 10.1103/PhysRevLett.70.259
1993FI02 Phys.Lett. 298B, 283 (1993) L.Fiore, G.Viesti, P.F.Bortignon, P.Blasi, G.D'Erasmo, D.Fabris, E.M.Fiore, F.Gramegna, F.Lucarelli, G.Nebbia, A.Pantaleo, V.Paticchio, G.Prete, J.A.Ruiz Dynamical Effects in the Pre-Scission Neutron Emission from 160Yb at E(x) ≈ 75 MeV NUCLEAR REACTIONS 144Sm(16O, F), E=115 MeV; 100Mo(60Ni, F), E=270 MeV; measured fission (fragment)n-coin; deduced prescission.
doi: 10.1016/0370-2693(93)91821-4
1993FI05 Phys.Rev. C47, R1835 (1993) L.Fiore, G.Viesti, P.F.Bortignon, P.Blasi, G.D'Erasmo, D.Fabris, E.M.Fiore, F.Gramegna, F.Lucarelli, G.Nebbia, A.Pantaleo, V.Paticchio, G.Prete, J.A.Ruiz Prescission Neutron Emission from 104Pd NUCLEAR REACTIONS 76Ge(28Si, F), E=190 MeV; measured fission (fragment)n-coin. 104Pd deduced prescission neutron multiplicity, average fission time. Monte Carlo calculations.
doi: 10.1103/PhysRevC.47.R1835
1993FO07 Phys.Rev. C48, 2072 (1993) B.Fornal, F.Gramegna, G.Prete, G.D'Erasmo, E.M.Fiore, L.Fiore, A.Pantaleo, V.Paticchio, P.Blasi, N.Gelli, F.Lucarelli, A.M.Bizzeti-Sona, P.F.Bortignon, D.Fabris, G.Nebbia, J.A.Ruiz, G.Viesti, G.Nardelli Neutron Spectra from the 156Er Compound Nucleus Populated by 12C- and 64Ni-Induced Reactions NUCLEAR REACTIONS 92Zr(64Ni, X), E=245 MeV; 144Sm(12C, nX), E=73 MeV; measured inclusive σ(E, θ), neutron spectra. Statistical model calculations.
doi: 10.1103/PhysRevC.48.2072
1992FO01 Nucl.Instrum.Methods Phys.Res. A320, 283 (1992) B.Fornal, F.Gramegna, G.Prete, R.Burch, D.Fabris, G.Nebbia, J.A.Ruiz, G.Viesti, F.Lucarelli, N.Gelli High Spin Selection in Compound Nucleus Decay by Detecting Multiple Alpha Chains NUCLEAR REACTIONS 27Al(32S, xpyα), E=190 MeV; measured multiple α-particle events distribution, (light particle)γ-, (light particle)(evaporation residue)-coin; deduced α-particle number dependence on emitter states angular momentum. Large area hodoscope, Si strip detectors, CsI(Tl) scintillators.
doi: 10.1016/0168-9002(92)90787-5
1992HA09 Phys.Rev.Lett. 68, 2141 (1992) K.Hagel, M.Gonin, R.Wada, J.B.Natowitz, B.H.Sa, Y.Lou, M.Gui, D.Utley, G.Nebbia, D.Fabris, G.Prete, J.Ruiz, D.Drain, B.Chambon, B.Cheynis, D.Guinet, X.C.Hu, A.Demeyer, C.Pastor, A.Giorni, A.Lleres, P.Stassi, J.B.Viano, P.Gonthier Multifragmentation of 40Ca + 40Ca NUCLEAR REACTIONS 40Ca(40Ca, X), E=35 MeV/nucleon; measured fragment emission probability vs charge for different number of fragments; deduced multi-fragmentation mechanism. Different models.
doi: 10.1103/PhysRevLett.68.2141
1992NE01 Phys.Rev. C45, 317 (1992) G.Nebbia, J.A.Ruiz, D.Fabris, G.Viesti, R.H.Burch, F.Gramegna, G.Prete, A.Giorni, A.Lleres, J.B.Viano, B.Chambon, B.Cheynis, A.Demeyer, D.Drain, D.Guinet, X.C.Hu, M.Gonin, K.Hagel, J.B.Natowitz, R.Wada, P.L.Gonthier Incomplete Fusion and Cluster Production in Heavy-Ion Collisions at 30 MeV/Nucleon NUCLEAR REACTIONS 58Ni(32S, X), E=960 MeV; measured fragment mass, charge, velocity distributions; deduced total energy dissipation, reaction mechanisms components. Statistical, multi-fragmentation models.
doi: 10.1103/PhysRevC.45.317
1992RU05 Nucl.Phys. A548, 510 (1992) J.A.Ruiz, J.L.Ferrero, B.Bilwes, R.Bilwes Folding Model Analysis of 58Ni + 64Ni Elastic and Inelastic Scattering at E(lab) = 203.8 and 219.2 MeV NUCLEAR REACTIONS 64Ni(58Ni, 58Ni), (58Ni, 58Ni'), E=203.8, 219.2 MeV; measured elastic, inelastic σ(E, θ). Folding model, coupled-channel analyses.
doi: 10.1016/0375-9474(92)90698-J
1992ST11 Nucl.Phys. A548, 453 (1992) A.M.Stefanini, L.Corradi, D.Ackermann, A.Facco, F.Gramegna, H.Moreno, L.Mueller, D.R.Napoli, G.F.Prete, P.Spolaore, S.Beghini, D.Fabris, G.Montagnoli, G.Nebbia, J.A.Ruiz, G.F.Segato, C.Signorini, G.Viesti Cross Sections and Mean Angular Momenta for 64Ni + 92,96Zr Fusion Near and Below the Coulomb Barrier NUCLEAR REACTIONS 92,96Zr(64Ni, X), E=202-269 MeV; measured evaporation residues, γγ-coin; deduced fusion σ(E), average spin distribution around, below Coulomb barrier. Coupled-channel calculations. Enriched targets, recoil mass spectrometer, electrostatic beam separator.
doi: 10.1016/0375-9474(92)90695-G
1991FO03 Phys.Lett. 255B, 325 (1991) B.Fornal, F.Gramegna, G.Prete, R.Burch, G.D'Erasmo, E.M.Fiore, L.Fiore, A.Pantaleo, V.Paticchio, G.Viesti, P.Blasi, N.Gelli, F.Lucarelli, M.Anghinolfi, P.Corvisiero, M.Taiuti, A.Zucchiatti, P.F.Bortignon, J.Ruiz, G.Nebbia, M.Gonin, J.B.Natowitz Test of Dynamical Effects in the Decay of the 59Cu Compound Nucleus NUCLEAR REACTIONS 27Al(32S, xpyα), E=190 MeV; measured Eα. 59Cu deduced decay mechanism. Monte Carlo statistical model.
doi: 10.1016/0370-2693(91)90774-K
1991FO06 Z.Phys. A340, 59 (1991) B.Fornal, F.Gramegna, G.Prete, R.Burch, G.D'Erasmo, E.M.Fiore, L.Fiore, A.Pantaleo, V.Paticchio, G.Viesti, P.Blasi, N.Gelli, F.Lucarelli, M.Anghinolfi, P.Corvisiero, M.Taiuti, A.Zucchiatti, P.F.Bortignon, D.Fabris, G.Nebbia, J.A.Ruiz, M.Gonin, J.B.Natowitz The Width of the Giant Dipole Resonance Built on Excited States of Cu Compound Nuclei NUCLEAR REACTIONS 27Al(32S, X), E=190 MeV; measured γγ-, γα-coin, continuum spectra. 59Cu deduced GDR built on excited states, Γ.
doi: 10.1007/BF01284481
1991FO08 Phys.Rev. C44, 2588 (1991) B.Fornal, F.Gramegna, G.Prete, R.Burch, G.D'Erasmo, E.M.Fiore, L.Fiore, A.Pantaleo, V.Paticchio, G.Viesti, P.Blasi, M.Cinausero, F.Lucarelli, M.Anghinolfi, P.Corvisiero, M.Taiuti, A.Zucchiatti, P.F.Bortignon, D.Fabris, G.Nebbia, J.A.Ruiz Level Density of Hot Nuclei with A ≤ 40 NUCLEAR REACTIONS 24Mg(16O, X), E=130 MeV; measured p(evaporation residue)-, α(evaporation residue)-coin. 40Ca deduced level density parameter at high excitation. Statistical model calculations.
doi: 10.1103/PhysRevC.44.2588
1990FE03 Nucl.Phys. A510, 360 (1990) J.L.Ferrero, J.A.Ruiz, B.Bilwes, R.Bilwes Parity Dependence in the Optical Potential of sd-Shell Nuclei NUCLEAR REACTIONS 32S(31P, 31P), E=86.5 MeV; 28,29Si(31P, 31P), E=85.9 MeV; 27Al(31P, 31P), E=79.5 MeV; 30Si(32S, 32S), E=90 MeV; 36S(32S, 32S), E=90, 97 MeV; 40Ca(37Cl, 37Cl), E=120.5 MeV; measured σ(E, θ); deduced spectroscopic factors. Parity-dependent folding model, elastic transfer, EFR-DWBA analyses.
doi: 10.1016/0375-9474(90)90245-H
1989DI06 Nucl.Phys. A494, 311 (1989) J.Diaz, J.L.Ferrero, J.A.Ruiz, B.Bilwes, R.Bilwes The Threshold Anomaly in the 32S + 40Ca Interaction NUCLEAR REACTIONS, ICPND 40Ca(32S, 32S), (32S, 31S), E=90, 110 MeV; 40Ca(32S, 28Si), E=90, 100, 110 MeV; measured elastic, inelastic, transfer σ(E, θ); deduced σ(E). Double-folding model, coupled channels, DWBA.
doi: 10.1016/0375-9474(89)90026-2
1988BI06 Nucl.Phys. A484, 174 (1988) B.Bilwes, R.Bilwes, J.Diaz, J.L.Ferrero, J.C.Pacheco, J.A.Ruiz Test of Complex Effective Interaction by Folding Analysis of 32S Elastic Scattering on sd-Shell Nuclei NUCLEAR REACTIONS 32S(32S, 32S), E=70, 75, 90, 97.09, 120, 160 MeV; 40Ca(32S, 32S), E=90, 100, 110, 120, 151.5 MeV; 34S(32S, 32S), E=77, 90, 97.09 MeV; 28Si(32S, 32S), E=70, 77, 90, 97.09, 120, 135 MeV; measured σ(E, θ). Folding model analysis.
doi: 10.1016/0375-9474(88)90148-0
1987BI12 Fizika(Zagreb) 19, Supplement 1, 37 (1987) B.Bilwes, R.Bilwes, J.Diaz, J.L.Ferrero, C.Roldan, J.A.Ruiz Parity Dependence in 32S + 34S and 32S + 30Si Elastic Scattering NUCLEAR REACTIONS 34S, 30Si(32S, 32S), E=90 MeV; calculated σ(θ); deduced model parameters, parity dependence.
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