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NSR database version of April 27, 2024.

Search: Author = J.A.Ruiz

Found 18 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

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
Citations: PlumX Metrics

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

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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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