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NSR database version of April 25, 2024.

Search: Author = J.R.Wu

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1988SI01      Phys.Rev. C37, 158 (1988)

J.D.Silk, H.D.Holmgren, D.L.Hendrie, T.J.M.Symons, G.D.Westfall, P.H.Stelson, S.Raman, R.L.Auble, J.R.Wu, K.Van Bibber

Fragmentation of ¹⁶O Projectiles at 100 MeV per Nucleon

NUCLEAR REACTIONS ²⁷Al(¹⁶O, ¹²CX), E=100 MeV/nucleon; measured invariant σ vs rapidity. ²⁷Al(¹⁶O, X), E=100 MeV/nucleon; measured σ(fragment θ), σ vs fragment mass for X=^7,9,10Be, ^10,11,12B, ^{10,11,12,13,14}C, ^13,14,15N; deduced reaction mechanism.

doi: 10.1103/PhysRevC.37.158
Citations: PlumX Metrics

1984CI04      Phys.Rev. C29, 2017 (1984)

G.Ciangaru, C.C.Chang, J.R.Wu, R.W.Koontz, H.D.Holmgren

Nuclear States of ²⁸Si and ²⁸Al from (α, t) and (α, h) Reactions at 80 MeV

NUCLEAR REACTIONS ²⁷Al(α, t), (α, ³He), E=80 MeV; measured σ(θ), σ(Et), σ(E(³He)); deduced optical model parameters. ²⁸Si, ²⁸Al levels deduced L, spectroscopic factors. Finite-range DWBA, shell model wave functions.

doi: 10.1103/PhysRevC.29.2017
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetT0097.

1983KA13      Phys.Rev. C28, 105 (1983)

A.M.Kalenda, B.D.Anderson, A.R.Baldwin, R.Madey, J.W.Watson, C.C.Chang, H.D.Holmgren, R.W.Koontz, J.R.Wu, H.Machner

Energy and Angular Distributions of Neutrons from 90 MeV Proton and 140 MeV Alpha-Particle Bombardment of Nuclei

NUCLEAR REACTIONS ²⁷Al, ⁵⁸Ni, ⁹⁰Zr, ²⁰⁹Bi(p, n), E=90 MeV; ²⁷Al, ⁵⁸Ni, ⁹⁰Zr, ²⁰⁹Bi(α, n), E=140 MeV; measured σ(θ, En); deduced reaction mechanisms. Plane wave impulse approximation, quasifree scattering, preequilibrium exciton, intranuclear cascade, geometry dependent hybrid models, (p, p') data comparison.

doi: 10.1103/PhysRevC.28.105
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC0310.

1983OB02      Phys.Rev. C27, 2753 (1983)

F.E.Obenshain, F.E.Bertrand, E.E.Gross, N.W.Hill, J.R.Wu, R.L.Burman, M.Hamm, M.J.Leitch, R.D.Edge, B.M.Preedom, M.A.Moinester, M.Blecher, K.Gotow

Positive-Pion-Nucleus Elastic Scattering at 20 MeV

NUCLEAR REACTIONS ¹²C, ¹⁶O, ⁴⁰Ca, ⁹⁰Zr, ¹²⁰Sn, ²⁰⁸Pb(π⁺, π⁺), E=20 MeV; measured σ(θ); deduced optical model, s-, p-wave strength parameters. Phenomenological optical model.

doi: 10.1103/PhysRevC.27.2753
Citations: PlumX Metrics

1982AU04      Phys.Rev. C25, 2504 (1982)

R.L.Auble, J.B.Ball, F.E.Bertrand, R.L.Ferguson, C.B.Fulmer, I.Y.Lee, R.L.Robinson, G.R.Young, J.R.Wu, J.C.Wells, H.Yamada

Light-Ion Emission in Heavy-Ion Collision: Beam energy dependence

NUCLEAR REACTIONS ⁶⁰Ni(¹²C, pX), (¹²C, dX), (¹²C, tX), (¹²C, ³HeX), (¹²C, αX), E=90, 123, 156, 189 MeV; measured σ(θp), σ(θd), σ(θα), σ(θ(³He)) vs E; deduced integral yields, model parameters. Moving source model.

doi: 10.1103/PhysRevC.25.2504
Citations: PlumX Metrics

1982TA05      Phys.Rev. C25, 1253 (1982)

S.L.Tabor, C.C.Chang, M.T.Collins, G.J.Wagner, J.R.Wu, D.W.Halderson, F.Petrovich

Survey of the (³He, t) Reaction: Excitation of the isobaric analog of the giant dipole resonance

NUCLEAR REACTIONS ¹²C, ¹⁶O, ²⁷Al, ²⁸Si, ⁴⁰Ca, ⁴⁶Ti, ⁹⁰Zr(³He, t), (³He, ³He'), E=130, 170 MeV; measured σ(Et), σ(E(³He)), σ(θ). ¹⁶O, ²⁷Al, ²⁸Si, ⁴⁰Ca, ⁴⁶Ti, ⁹⁰Zr deduced T=0, GQR. ¹²N, ¹⁶F, ²⁷Si, ²⁸P, ⁴⁰Sc, ⁴⁶V, ⁹⁰Nb deduced IAS of T=1, GDR.

doi: 10.1103/PhysRevC.25.1253
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetT0078.

1981AN01      Phys.Rev.Lett. 46, 226 (1981)

B.D.Anderson, A.R.Baldwin, A.M.Kalenda, R.Madey, J.W.Watson, C.C.Chang, H.D.Holmgren, R.W.Koontz, J.R.Wu

Proton and Neutron Inclusive Spectra and the Importance of the Single Nucleon-Nucleon Scattering Process

NUCLEAR REACTIONS ²⁷Al, ⁵⁸Ni, ⁹⁰Zr, ²⁰⁹Bi(p, pX), (p, nX), E=90 MeV; measured σ(En, θ), σ(Ep, θ); deduced nucleon-nucleon scattering mechanism dominance. PWIA, quasifree scattering calculation.

doi: 10.1103/PhysRevLett.46.226
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC0841.

1981BE06      Phys.Lett. 99B, 213 (1981)

F.E.Bertrand, J.R.Beene, C.E.Bemis, Jr., E.E.Gross, D.J.Horen, J.R.Wu, W.P.Jones

Measurement of the Fission Decay of the Giant Quadrupole Resonance in ²³⁸U

NUCLEAR REACTIONS, Fission ²³⁸U(α, α'F), E=152 MeV; measured σ(Eα', θ), α(fragment)-coin, fission probability vs excitation energy. ²³⁸U deduced Γf/Γ for GQR, possible K conservation.

doi: 10.1016/0370-2693(81)91110-2
Citations: PlumX Metrics

1981BE33      Phys.Lett. 103B, 326 (1981)

F.E.Bertrand, E.E.Gross, D.J.Horen, J.R.Wu, J.Tinsley, D.K.McDaniels, L.W.Swenson, R.Liljestrand

Excitation of Giant Resonance Modes in ⁹⁰Zr and ¹²⁰Sn by 200 MeV Protons

NUCLEAR REACTIONS ⁹⁰Zr, ¹²⁰Sn(p, p'), E=200 MeV; measured σ(Ep, θ). ⁹⁰Zr deduced M1 transition strength. ⁹⁰Zr, ¹²⁰Sn deduced GDR, isoscalar GQR, giant octupole resonance, hexadecapole strength upper limit. Broad-range magnetic spectrograph.

doi: 10.1016/0370-2693(81)90235-5
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO0236.

1981FU04      Nucl.Phys. A356, 235 (1981)

C.B.Fulmer, G.R.Satchler, E.E.Gross, F.E.Bertrand, C.D.Goodman, D.C.Hensley, J.R.Wu, N.M.Clarke, M.F.Steeden

Elastic and Inelastic Scattering of 88 MeV ⁶Li Ions

NUCLEAR REACTIONS ^24,25,26Mg, ²⁷Al, ^40,48Ca, ⁵⁹Co, ⁶⁰Ni, ¹⁹⁷Au, ^206,208Pb(⁶Li, ⁶Li), ^24,26Mg, ⁶⁰Ni(⁶Li, ⁶Li'), E=88 MeV; measured σ(θ); deduced optical potentials. DWBA, coupled-channels calculations.

doi: 10.1016/0375-9474(81)90125-1
Citations: PlumX Metrics

1981FU05      Phys.Lett. 100B, 305 (1981)

C.B.Fulmer, J.B.Ball, R.L.Ferguson, R.L.Robinson, J.R.Wu

Light Particle Emission from Reactions of 208 MeV ¹⁶O Ions with ¹²C, ⁵⁶Fe, and ⁹¹Zr

NUCLEAR REACTIONS ¹²C, ⁵⁶Fe, ⁹¹Zr(¹⁶O, p), (¹⁶O, d), (¹⁶O, t), (¹⁶O, ³He), (¹⁶O, α), E=208.2 MeV; measured σ(θ, Ep), σ(θ, Et), σ(θ, E(³He)), σ(θ, Eα); deduced projectile breakup contributions. Modified fireball model.

doi: 10.1016/0370-2693(81)90092-7
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1981RI07      Phys.Rev. C24, 552 (1981); Erratum Phys.Rev. C26, 2337 (1982)

B.G.Ritchie, R.D.Edge, D.J.Malbrough, B.M.Preedom, F.E.Bertrand, E.E.Gross, F.E.Obenshain, J.R.Wu, M.Blecher, K.Gotow, R.L.Burman, R.Carlini, M.E.Hamm, M.J.Leitch, M.A.Moinester

Reaction π⁺ + d → p + p at 20 to 65 MeV

NUCLEAR REACTIONS ²H(π⁺, p), E=20, 25, 30, 35, 40, 45, 65 MeV; measured σ(θ); deduced σ(total). Polynomial analysis.

doi: 10.1103/PhysRevC.24.552
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1981RO11      Phys.Rev. C24, 2084 (1981)

R.L.Robinson, R.L.Auble, I.Y.Lee, M.J.Martin, G.R.Young, J.Gomez del Campo, J.B.Ball, F.E.Bertrand, R.L.Ferguson, C.B.Fulmer, J.R.Wu, J.C.Wells, H.Yamada

Fast Proton and Alpha Particles from the ¹²C + ⁶⁰Ni Reaction

NUCLEAR REACTIONS ⁶⁰Ni(¹²C, pX), (¹²C, αX), E=136, 194 MeV; measured Eγ, Iγ, αγ-, α(fragment)-, p(fragment)-coin, (particle)(particle)(θ), γ-multiplicities; deduced light-ion production mechanism.

doi: 10.1103/PhysRevC.24.2084
Citations: PlumX Metrics

1981WU02      Phys.Rev. C24, 500 (1981)

J.R.Wu, J.R.Beene, C.E.Bemis, Jr., F.E.Bertrand, E.E.Gross, D.J.Horen, W.P.Jones

Fission Probability of ²³⁹U at High Excitation Measured with the ²³⁸U(α, ³Hef) Reaction

NUCLEAR REACTIONS, Fission ²³⁸U(α, ³HeF), E=152 MeV; measured σ(θ(³He), E(³He)), σ(θ(³He), E(³He), fragment θ), ³He(fragment)(fragment)-coin; deduced reaction mechanism. ²³⁹U deduced fission probability vs excitation energy.

doi: 10.1103/PhysRevC.24.500
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2495.

1980BE50      Phys.Rev. C22, 1832 (1980)

F.E.Bertrand, G.R.Satchler, D.J.Horen, J.R.Wu, A.D.Bacher, G.T.Emery, W.P.Jones, D.W.Miller, A. van der Woude

Giant Multipole Resonances from Inelastic Scattering of 152-MeV Alpha Particles

NUCLEAR REACTIONS ²⁰⁸Pb, ¹²⁰Sn, ⁹⁰Zr, ⁵⁸Ni, ⁴⁶Ti(α, α), (α, α'), E=152 MeV; measured σ(Eα, θ). ⁴⁶Ti, ⁵⁸Ni, ⁹⁰Zr, ¹²⁰Sn, ²⁰⁸Pb deduced GQR, giant monopole resonances, Γ, L, T, β(L), B(λ), EWSR. Folding model analysis.

doi: 10.1103/PhysRevC.22.1832
Citations: PlumX Metrics

1980CO19      Phys.Rev.Lett. 45, 1930 (1980)

A.A.Cowley, C.C.Chang, H.D.Holmgren, J.D.Silk, D.L.Hendrie, R.W.Koontz, P.G.Roos, C.Samanta, J.R.Wu

Energy Dissipation Process for 100-MeV Protons and the Nucleon-Nucleon Interactions in Nuclei

NUCLEAR REACTIONS ⁵⁸Ni(p, 2p), E=100 MeV; measured pp-coin, σ(Ep₁, Ep₂, θ₁, θ₂); deduced reaction mechanism, energy dissipation process. DWIA analysis, quasifree scattering.

doi: 10.1103/PhysRevLett.45.1930
Citations: PlumX Metrics

1980WU02      Phys.Lett. 91B, 169 (1980)

J.R.Wu

Mechanisms for (p, p') Reactions in the Continuum

NUCLEAR REACTIONS ¹²C, ¹⁶O(p, p'), E=62 MeV; ²⁷Al(p, p'), E=62, 90 MeV; calculated σ(θ); deduced reaction mechanisms. Quasielastic PWIA, pre-equilibrium exciton models.

doi: 10.1016/0370-2693(80)90422-0
Citations: PlumX Metrics

1980WU03      Phys.Rev.Lett. 45, 8 (1980)

J.R.Wu, I.Y.Lee

Projectile Fragmentation Accompanied by Incomplete Fusion

NUCLEAR REACTIONS ¹⁶⁰Gd(¹²C, αxn), E=90, 120, 160, 200 MeV; calculated (particle)(particle)(θ), (particle)γ(θ). Two-step reaction model.

doi: 10.1103/PhysRevLett.45.8
Citations: PlumX Metrics

1979CO07      Phys.Rev.Lett. 42, 1440 (1979)

M.T.Collins, C.C.Chang, S.L.Tabor, G.J.Wagner, J.R.Wu

Decay Modes of the Isoscalar Giant Quadrupole Resonance in ⁵⁸Ni

NUCLEAR REACTIONS ⁵⁸Ni(α, α'), (α, α'p), (α, α'n), (α, 2α), E=140 MeV; measured σ(Eα'), α'p-coin, α'n-coin, α'α-coin. ⁵⁸Ni deduced branching ratios for α, p decay of GQR. Continuum, statistical model analysis.

doi: 10.1103/PhysRevLett.42.1440
Citations: PlumX Metrics

1979HO31      Phys.Rev. C19, 1595 (1979)

W.F.Hornyak, M.D.Glascock, C.C.Chang, J.R.Wu

Reaction ²⁷Al + α at Eα = 140 MeV: II

NUCLEAR REACTIONS ²⁷Al(α, X), E=140 MeV; measured fragment σ(θ, E); deduced fragment velocities, reaction mechanism, model characteristics. Monte Carlo, exciton model calculations.

doi: 10.1103/PhysRevC.19.1595
Citations: PlumX Metrics

1979KO32      Phys.Rev.Lett. 43, 1862 (1979)

R.W.Koontz, C.C.Chang, H.D.Holmgren, J.R.Wu

Projectile Fragmentation Processes in 35-MeV/amu (α, xy) Reactions

NUCLEAR REACTIONS ⁹⁰Zr(α, pt), (α, 2d), (α, pX), E=35 MeV/nucleon; measured fragment-fragment (θ), (fragment)(fragment)-coin; deduced reaction mechanism.

doi: 10.1103/PhysRevLett.43.1862
Citations: PlumX Metrics

1979WA11      Phys.Rev. C20, 1079 (1979)

N.S.Wall, J.R.Wu, C.C.Chang, H.D.Holmgren

Medium Energy Nuclear Reactions: 'Quasi-Two-Body Scaling' and 'Hot Spots'

NUCLEAR REACTIONS ²⁷Al, ⁵⁸Ni, ⁹⁰Zr, ²⁰⁹Bi(p, p), (p, d), (p, t), (p, α), E=90 MeV; ²⁷Al, ⁵⁸Ni, ⁹⁰Zr, ²⁰⁹Bi(α, p), (α, d), (α, t), (α, α), E=140 MeV; calculated energy spectra; deduced characteristic parameter. Quasi two-body scaling, hot spot interpretation.

doi: 10.1103/PhysRevC.20.1079
Citations: PlumX Metrics

1979WU02      Phys.Rev. C19, 370 (1979)

J.R.Wu, C.C.Chang, H.D.Holmgren

Charged-Particle Spectra: 80 MeV Deuterons on ²⁷Al and ⁵⁸Ni and 70 MeV Deuterons on ⁹⁰Zr, ²⁰⁸Pb, and ²³²Th

NUCLEAR REACTIONS ²⁷Al, ⁵⁸Ni, ⁹⁰Zr, ²⁰⁸Pb, ²³²Th(d, pX), (d, dX), (d, tX), (d, ³HeX), (d, αX), E=70, 80 MeV; measured σ(θp, Ep), σ(θd, Ed), σ(θt, Et), σ(θ(³He), E(³He)), σ(θα, Eα); deduced σ(E). Comparison with preequilibrium exciton, compound nuclear evaporation, deuteron breakup model.

doi: 10.1103/PhysRevC.19.370
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1035.

1979WU03      Phys.Rev. C19, 659 (1979)

J.R.Wu, C.C.Chang, H.D.Holmgren

Charged Particle Spectra: 140 MeV α Particle Bombardment of ²⁷Al, ⁵⁸Ni, ⁹⁰Zr, ²⁰⁹Bi, and ²³²Th

NUCLEAR REACTIONS ²⁷Al, ⁵⁸Ni, ⁹⁰Zr, ²⁰⁹Bi, ²³²Th(α, pX), (α, dX), (α, ³HeX), (α, αX), E=140 MeV; measured σ(Ep, θp), σ(Ed, θd), σ(Et, θt), σ(E(³He), θ(³He)), σ(Eα, θα); comparison with preequilibrium exciton, evaporation, projectile breakup models.

doi: 10.1103/PhysRevC.19.659
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC0884.

1979WU04      Phys.Rev. C19, 698 (1979)

J.R.Wu, C.C.Chang, H.D.Holmgren

Charged-Particle Spectra: 90 MeV Protons on ²⁷Al, ⁵⁸Ni, ⁹⁰Zr, and ²⁰⁹Bi

NUCLEAR REACTIONS ²⁷Al, ⁹⁰Zr, ²⁰⁹Bi(p, pX), (p, dX), (p, tX), (p, ³HeX), (p, αX), E=90 MeV; ⁵⁸Ni(p, pX), (p, dX), (p, tX), (p, ³HeX), (p, αX), E=90, 100 MeV; measured σ(Ep, θp), σ(Ed, θd), σ(Et, θt), σ(E(³He), θ(³He)), σ(Eα, θα). Comparison with pre-equilibrium exciton, evaporation models.

doi: 10.1103/PhysRevC.19.698
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO0137.

1979WU09      Phys.Rev. C20, 1284 (1979)

J.R.Wu, C.C.Chang, H.D.Holmgren, R.W.Koontz

Alpha-Particle Breakup at Incident Energies of 20 and 40 MeV/Nucleon

NUCLEAR REACTIONS ²⁷Al, ⁵⁸Ni, ⁹⁰Zr, ²⁰⁹Bi(α, p), (α, d), (α, t), (α, ³He), E=80, 160 MeV; measured differential energy spectra; deduced α breakup yield, reaction mechanism. Plane wave model.

doi: 10.1103/PhysRevC.20.1284
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1978WU02      Phys.Rev.Lett. 40, 1013 (1978)

J.R.Wu, C.C.Chang, H.D.Holmgren

Breakup of α Particles in the Fields of Nuclei

NUCLEAR REACTIONS ²⁰⁹Bi, ⁵⁸Ni, ⁹⁰Zr, ¹²⁰Sn, ²³²Th(α, p), (α, d), (α, t), (α, ³He), E=140 MeV; analyzed α-particle breakup.

doi: 10.1103/PhysRevLett.40.1013
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1978WU03      Phys.Rev. C17, 1540 (1978)

J.R.Wu, C.C.Chang

Complex-Particle Emission in the Pre-Equilibrium Exciton Model

NUCLEAR REACTIONS ¹²C, ¹⁶O, ²⁷Al, ⁵⁴Fe, ⁸⁹Y, ¹²⁰Sn, ¹⁹⁷Au, ²⁰⁹Bi(p, X), E=62 MeV; ⁵⁴Fe(p, X), E=29, 39 MeV; ⁵⁸Ni(p, X), E=90 MeV; calculated σ. Pre-equilibrium exciton model.

doi: 10.1103/PhysRevC.17.1540
Citations: PlumX Metrics

1977WU02      Phys.Rev. C16, 1812 (1977)

J.R.Wu, C.C.Chang

Pre-Equilibrium Particle Decay in the Photonuclear Reactions

NUCLEAR REACTIONS ²⁷Al, ⁶³Cu, ¹¹⁵In, ¹¹⁸Sn, ¹⁸¹Ta, ²⁰⁷Pb, ²⁰⁹Bi, ²³⁵U(γ, X), E=55, 85 MeV; ¹²C(γ, X), E=110 MeV; ¹²⁷I(γ, xn), E=50, 100, 150 MeV; calculated σ.

doi: 10.1103/PhysRevC.16.1812
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1976DI05      Phys.Rev. C13, 1388 (1976)

J.-P.Didelez, C.C.Chang, N.S.Chant, H.D.Holmgren, R.I.Steinberg, J.R.Wu

Analysis of the ¹²C(d, ³He)¹¹B(g.s.) Reaction at 80 MeV

NUCLEAR REACTIONS ¹²C(d, ³He), E=80 MeV; calculated σ(θ). ¹¹B deduced S. DWBA.

doi: 10.1103/PhysRevC.13.1388
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1976WU01      Phys.Lett. 60B, 423 (1976)

J.R.Wu, C.C.Chang

Pre-Equilibrium Decay in the Exciton Model

NUCLEAR REACTIONS ⁵⁴Fe(p, p'X), E=39, 62 MeV; calculated pre-equilibrium decay.

doi: 10.1016/0370-2693(76)90697-3
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