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NSR database version of May 19, 2024.

Search: Author = J.Ruiz

Found 22 matches.

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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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
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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
Citations: PlumX Metrics


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
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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
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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
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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
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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
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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
Citations: PlumX Metrics


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
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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
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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
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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
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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
Citations: PlumX Metrics


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
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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
Citations: PlumX Metrics


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
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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
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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
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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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Note: The following list of authors and aliases matches the search parameter J.Ruiz: , J.A.RUIZ