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NSR database version of May 23, 2024.

Search: Author = J.Barreto

Found 20 matches.

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2001ST15      Phys.Rev. C63, 064610 (2001)

P.Staszel, Z.Majka, L.G.Sobotka, D.G.Sarantites, R.J.Charity, J.Cibor, K.Hagel, N.Marie, J.B.Natowitz, R.Wada, D.W.Stracener, G.Auger, Y.Schutz, J.P.Wieleczko, R.Dayras, E.Plagnol, J.Barreto, E.Norbeck

Fragment Excitation Energies at Freeze-Out in 84Kr + 93Nb Collisions at 45 MeV/Nucleon

NUCLEAR REACTIONS 93Nb(84Kr, X), E=45 MeV/nucleon; measured light charged particle and intermediate mass fragment multiplicity, charge, angle, and mass distributions, correlation functions; deduced primary fragment excitation energy, reaction mechanism features.

doi: 10.1103/PhysRevC.63.064610
Citations: PlumX Metrics


1996BI06      Phys.Rev. C53, 3165 (1996)

K.S.Bindra, P.F.Hua, B.R.S.Babu, C.Baktash, J.Barreto, D.M.Cullen, C.N.Davids, J.K.Deng, J.D.Garrett, M.L.Halbert, J.H.Hamilton, N.R.Johnson, A.Kirov, J.Kormicki, I.Y.Lee, W.C.Ma, F.K.McGowan, A.V.Ramayya, D.G.Sarantites, F.Soramel, D.Winchell

Reply to ' Comment on ' Prolate-Oblate Band Mixing and New Bands in 182Hg ' '

NUCLEAR STRUCTURE 182Hg; analyzed band-mixing interpretations; deduced method's applicability limitations.

doi: 10.1103/PhysRevC.53.3165
Citations: PlumX Metrics


1996LH02      Phys.Rev. C54, 593 (1996)

I.Lhenry, T.Suomijarvi, Y.Blumenfeld, Ph.Chomaz, N.Frascaria, J.P.Garron, J.C.Roynette, J.A.Scarpaci, D.Beaumel, S.Fortier, S.Gales, H.Laurent, A.Gillibert, G.M.Crawley, J.Finck, G.Yoo, J.Barreto

One-Nucleon Transfer Reactions to Continuum States Induced by Heavy Ion Projectiles

NUCLEAR REACTIONS 207Pb, 209Bi, 59Co(20Ne, 19Ne), (20Ne, 21Na), (20Ne, 19F), E=48 MeV/nucleon; 207Pb, 209Bi, 63Cu(36Ar, 35Ar), (36Ar, 37K), E=42 MeV/nucleon; measured σ(E, θ); deduced structure, particle-hole states, collective strength. RPA, DWBA calculations, Bonaccorso-Brink single-particle transfer model.

doi: 10.1103/PhysRevC.54.593
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1995BA18      Phys.Rev.Lett. 74, 1299 (1995)

S.P.Baldwin, B.Lott, B.M.Szabo, B.M.Quednau, W.U.Schroder, J.Toke, L.G.Sobotka, J.Barreto, R.J.Charity, L.Gallamore, D.G.Sarantites, D.W.Stracener, R.T.de Souza

Dissipative Orbiting in 209Bi + 136Xe Collisions at E(lab)/A = 28 MeV

NUCLEAR REACTIONS 209Bi(136Xe, X), E=28 MeV/nucleon; measured charged product yields, (fragment)(light charged particle)-, (fragment)n-coin; deduced dissipative orbiting evidence.

doi: 10.1103/PhysRevLett.74.1299
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1995BA34      Phys.Rev. C51, 2584 (1995)

J.L.Barreto, N.G.Nicolis, D.G.Sarantites, R.J.Charity, L.G.Sobotka, D.W.Stracener, D.C.Hensley, J.R.Beene, C.Baktash, M.L.Halbert, M.Thoennessen

Decay of 160Er(*) in 16O + 144Nd and 64Ni + 96Zr Fusion Reactions

NUCLEAR REACTIONS, ICPND 144Nd(16O, xn), E=87 MeV; 96Zr(64Ni, xn), E=242 MeV; measured γ-ray fold distributions. 160Er deduced decay features. 4π γ-ray detection system. Statistical model.

doi: 10.1103/PhysRevC.51.2584
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1995BI02      Phys.Rev. C51, 401 (1995)

K.S.Bindra, P.F.Hua, B.R.S.Babu, C.Baktash, J.Barreto, D.M.Cullen, C.N.Davids, J.K.Deng, J.D.Garrett, M.L.Halbert, J.H.Hamilton, N.R.Johnson, A.Kirov, J.Kormicki, I.Y.Lee, W.C.Ma, F.K.McGowan, A.V.Ramayya, D.G.Sarantites, F.Soramel, D.Winchell

Prolate-Oblate Band Mixing and New Bands in 182Hg

NUCLEAR REACTIONS 154Gd(32S, 4n), E=160-165 MeV; measured Eγ, Iγ, γγ(θ). 182Hg deduced high-spin levels, J, π, shape features. Compton suppressed Ge detectors, fragment mass analyzer, high spin states.

doi: 10.1103/PhysRevC.51.401
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1995TO02      Nucl.Phys. A583, 519c (1995)

J.Toke, B.Lott, S.P.Baldwin, B.M.Quednau, W.U.Schroder, L.G.Sobotka, J.Barreto, R.J.Charity, L.Gallamore, D.G.Sarantites, D.W.Stracener, R.T.De Souza

Dynamical Production of Intermediate-Mass Fragments in Peripheral 209Bi + 136Xe Collisions at E(lab)/A = 28 MeV

NUCLEAR REACTIONS 209Bi(136Xe, X), E=28 MeV/nucleon; measured (fragment)(particle)-coin; deduced intermediate mass fragments statistical, fast dynamical emission evidence.

doi: 10.1016/0375-9474(94)00713-W
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1995TO10      Phys.Rev.Lett. 75, 2920 (1995)

J.Toke, B.Lott, S.P.Baldwin, B.M.Quednau, W.U.Schroder, L.G.Sobotka, J.Barreto, R.J.Charity, D.G.Sarantites, D.W.Stracener, R.T.de Souza

Intermediate-Mass Fragment Decay of the Neck Zone Formed in Peripheral 209Bi + 136Xe Collisions at E(lab)/A = 28 MeV

NUCLEAR REACTIONS 209Bi(136Xe, X), E=28 MeV/nucleon; measured (fragment)(fragment)-coin; deduced reaction partners neck zone dynamical fragmentation evidence.

doi: 10.1103/PhysRevLett.75.2920
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1994CH10      Phys.Lett. 323B, 113 (1994)

R.J.Charity, L.G.Sobotka, G.Van Buren, F.A.Tibbals, J.Barreto, D.R.Bowman, M.Chartier, J.Dinius, D.Fox, C.K.Gelbke, D.O.Handzy, W.C.Hsi, P.F.Hua, A.S.Kirov, M.A.Lisa, W.G.Lynch, G.F.Peaslee, L.Phair, D.G.Sarantites, C.Schwarz, R.T.de Souza, M.B.Tsang, C.Williams

Time Scale for Proton Emission from Highly Excited Projectiles

NUCLEAR REACTIONS 197Au(24Mg, X), E=60 MeV/nucleon; measured projectile breakup light charged particle velocity distribution centroids; deduced proton emission time scale.

doi: 10.1016/0370-2693(94)90278-X
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1993BA63      Phys.Rev. C48, 2881 (1993)

J.L.Barreto, N.G.Nicolis, D.G.Sarantites, R.J.Charity, L.G.Sobotka, D.W.Stracener, D.C.Hensley, J.R.Beene, C.Baktash, M.Halbert, M.Thoennessen

Search for Entrance Channel Effects in the Decay of the 164Yb Compound Nucleus at E(*) ≈ 54 MeV

NUCLEAR REACTIONS 148Sm(16O, xnypzα), E=87 MeV; 100Mo(64Ni, xnypzα), E=242 MeV; measured evaporation residue σ, entry state γ-ray fold distributions, emitted protons, alpha energy, σ(θ); deduced 164Y initial population role. Statistical model analysis.

doi: 10.1103/PhysRevC.48.2881
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1993HU10      Nucl.Instrum.Methods Phys.Res. A330, 121 (1993)

P.-F.Hua, D.G.Sarantites, L.G.Sobotka, J.L.Barreto, A.Kirov

' The Tube ': A simple 4π detector for enhancing channels in γ-ray spectroscopy experiments

NUCLEAR REACTIONS 154Gd(32S, X), E=165 MeV; measured γ, particle spectra. 4π charged-particle sensitive plastic scintillator tube.

doi: 10.1016/0168-9002(93)91312-B
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1992CH33      Phys.Rev. C46, 1951 (1992)

R.J.Charity, J.Barreto, L.G.Sobotka, D.G.Sarantites, D.W.Stracener, A.Chbihi, N.G.Nicolis, R.Auble, C.Baktash, J.R.Beene, F.Bertrand, M.Halbert, D.C.Hensley, D.J.Horen, C.Ludemann, M.Thoennessen, R.Varner

Mechanism for the Disassembly of Excited 16O Projectiles into Four Alpha Particles

NUCLEAR REACTIONS 159Tb(16O, 16O'X), E=25 MeV/nucleon; measured α-, light charged particle spectra; deduced projectile 4α-decay mechanism. 4π counter.

doi: 10.1103/PhysRevC.46.1951
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1992LO04      Phys.Rev.Lett. 68, 3141 (1992)

B.Lott, S.P.Baldwin, B.M.Szabo, B.M.Quednau, W.U.Schroder, J.Toke, L.G.Sobotka, J.Barreto, R.J.Charity, L.Gallamore, D.G.Sarantites, D.W.Stracener, R.T.de Souza

Binary Character of Highly Dissipative 209Bi + 136Xe Collisions at E(lab)/A = 28.2 MeV

NUCLEAR REACTIONS 209Bi(136Xe, nX), E=28.2 MeV/nucleon; measured (particle)n-coin for X=p, d, different neutron multiplicities, charged particle velocity distributions; deduced highly dissipative collision binary nature. 4π detectors.

doi: 10.1103/PhysRevLett.68.3141
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1986DE04      Z.Phys. A323, 101 (1986)

S.de Barros, S.D.de Magalhaes, H.Wolf, J.Barreto, J.Eichler, N.Lisbona, I.O.de Souza, D.M.Vianna

Excitation Function and Half-Life for the Fission Isomer 240mPu from the 238U(α, 2n)240mPu Reaction

RADIOACTIVITY 240mPu(SF) [from 238U(α, 2n), E=20.1-27.3 MeV]; measured T1/2.

NUCLEAR REACTIONS, ICPND 238U(α, 2n), E=20.1-27.3 MeV; measured residual fission isomer production σ(E). 240mPu deduced delayed fission σ, isomeric σ ratio.

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0691.


1983BA09      Phys.Rev. C27, 1335 (1983)

J.Barreto, G.Auger, M.Langevin, E.Plagnol

Fusion of the 40Ca + 40Ca System

NUCLEAR REACTIONS 40Ca(40Ca, X), E=100-140 MeV; measured Eγ, Iγ; deduced σ(fragment E), fusion σ(E).

doi: 10.1103/PhysRevC.27.1335
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1982BA10      Phys.Rev. C25, 1641 (1982)

J.Barreto, L.Tassan-Got, C.Stephan, J.P.Garron, M.Langevin

Absence of Closed Shell Effect in the Fusion Reaction 40Ca + 48Ca at 330 MeV

NUCLEAR REACTIONS 48Ca(40Ca, X), 48Ti(40Ar, X), E=330 MeV; measured σ(fusion) vs θ; deduced no shell effects. Evaporation residue detection, ΔE-E telescope.

doi: 10.1103/PhysRevC.25.1641
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1982BA33      Nucl.Phys. A384, 211 (1982)

J.Barreto, M.Langevin, C.Detraz

Formation and Deexcitation of the 79Rb Compound Nucleus

NUCLEAR REACTIONS 63Cu(16O, X), E=40-85 MeV; 45Sc(34S, X)77Kr/76Kr/75Kr/77Br/75Br/74Br/73Br/73Se/76Br/70As/71As/72As/69Ge, E=85-130 MeV; measured Eγ, Iγ; deduced production σ vs E for residuals. 79Rb deduced fusion barrier. Activation technique, enriched target. Statistical model.

doi: 10.1016/0375-9474(82)90314-1
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1982TO03      Nucl.Phys. A373, 341 (1982)

E.Tomasi, D.Ardouin, J.Barreto, V.Bernard, B.Cauvin, C.Magnago, C.Mazur, C.Ngo, E.Piasecki, M.Ribrag

Fusion Excitation Function of the 40Ca + 40Ca System Close to the Threshold

NUCLEAR REACTIONS 40Ca(40Ca, X), E=112.5-165 MeV; measured σ(fusion, E), σ(evaporation residue θ).

doi: 10.1016/0375-9474(82)90155-5
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1981TO18      Fizika(Zagreb) 13, Suppl.No.1, 6 (1981)

E.Tomasi, D.Ardouin, J.Barreto, V.Bernard, H.Doubre, C.Ngo, C.Mazur, E.Piasecki, M.Ribrag

Fusion Excitation Function of the 40Ca + 40Ca System near Threshold

NUCLEAR REACTIONS 40Ca(40Ca, X), E(cm) ≈ 60-80 MeV; measured σ(fusion, E). Two-dimensional position sensitive detector.


1976LA11      Phys.Rev. C14, 152 (1976)

M.Langevin, J.Barreto, C.Detraz

Complete Fusion Mechanism in the 16O + 63Cu Reaction

NUCLEAR REACTIONS 63Cu(16O, 2n), (16O, np), (16O, 2np), (16O, 3np), 63Cu(16O, 2p), (16O, n2p), (16O, 2n2p), (16O, nα), (16O, 2nα), (16O, npα), (16O, n2pα), (16O, 2α), (16O, n2α), (16O, np2α), E=40-85 MeV; measured σ(E); deduced critical angular momentum. Enriched target.

doi: 10.1103/PhysRevC.14.152
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Note: The following list of authors and aliases matches the search parameter J.Barreto: , J.L.BARRETO