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NSR database version of April 11, 2024.

Search: Author = R.A.Williams

Found 25 matches.

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2004CO24      Phys.Rev. C 70, 055201 (2004)

S.R.Cotanch, R.A.Williams

Glueball enhancements in p(γ, VV)p through vector meson dominance

NUCLEAR REACTIONS 1H(γ, X), E=5.8 GeV; calculated double vector meson production σ(θ), invariant mass spectra, sensitivity to glueball width. 1H(γ, X), E=3-10 GeV; calculated double vector meson production σ. Vector meson dominance and Regge theory.

doi: 10.1103/PhysRevC.70.055201
Citations: PlumX Metrics

2002CO24      Phys.Lett. 549B, 85 (2002)

S.R.Cotanch, R.A.Williams

Probing Proton Strangeness with Time-Like Virtual Compton Scattering

NUCLEAR REACTIONS 1H(γ, e+e-), E=high; calculated σ(θ), φ-meson contribution, strangeness effects, related features.

doi: 10.1016/S0370-2693(02)02869-1
Citations: PlumX Metrics

1998CO07      Nucl.Phys. A631, 478c (1998)

S.R.Cotanch, R.A.Williams

Probing Nucleon Strangeness using Vector Meson Dominance

doi: 10.1016/S0375-9474(98)00051-7
Citations: PlumX Metrics

1998WI01      Phys.Rev. C57, 223 (1998)


φ Photoproduction Near Threshold with Okubo-Zweig-Iizuka Evading φNN Interactions

doi: 10.1103/PhysRevC.57.223
Citations: PlumX Metrics

1998WI14      Phys.Rev. C57, 2605 (1998)

R.A.Williams, B.Jackson

Elastic Meson Form Factors with Modified Vector Resonance Propagators

doi: 10.1103/PhysRevC.57.2605
Citations: PlumX Metrics

1997WI04      Phys.Rev. C55, 882 (1997)

R.A.Williams, T.M.Small

Extracting F2Λ(q2)/F2ΣΛ(q2) from p(e, e'K+)Λ(pol)/Σ(pol)0 Polarizations ( Question )

NUCLEAR REACTIONS 1H(e, e'X), E not given; calculated polarized hyperon production σ ratio; deduced F2(Λ)/F2(ΛΣ) dependence, other features. Effective hadronic field Lagrangian model.

doi: 10.1103/PhysRevC.55.882
Citations: PlumX Metrics

1996WI04      Phys.Rev. C53, 1580 (1996)

R.A.Williams, C.Puckett-Truman

Extended Vector Meson Dominance Model for the Baryon Octet Electromagnetic Form Factors

NUCLEAR STRUCTURE 1H, 1n; calculated form factors. Extended vector meson dominance model.

doi: 10.1103/PhysRevC.53.1580
Citations: PlumX Metrics

1996WI17      Phys.Rev.Lett. 77, 1008 (1996)

R.A.Williams, S.R.Cotanch

Nucleon Strangeness Content through Vector Meson Dominance

NUCLEAR STRUCTURE 1H; calculated electric, magnetic form factor. Generalized VMD, with, without φ coupling.

NUCLEAR REACTIONS 1H(π-, γ), (π+, γ), E=3 GeV; calculated VMD crossing prediction.

doi: 10.1103/PhysRevLett.77.1008
Citations: PlumX Metrics

1995BU21      Phys.Lett. 351B, 24 (1995)

W.W.Buck, R.A.Williams, H.Ito

Elastic Charge Form Factors for K Mesons

doi: 10.1016/0370-2693(95)00405-A
Citations: PlumX Metrics

1995WI04      Phys.Rev. C51, 566 (1995)

R.A.Williams, S.Krewald, K.Linen

Vector Resonances and Electromagnetic Nucleon Structure

NUCLEAR STRUCTURE 1n, 1H; calculated charge radii, electric, magnetic form factors. Hybrid vector meson dominance formalism.

doi: 10.1103/PhysRevC.51.566
Citations: PlumX Metrics

1993CO12      Phys.Scr. 48, 217 (1993)

S.R.Cotanch, R.A.Williams, C.-R.Ji

Kaon Electromagnetic Production and Radiative Capture Near Hyperon Thresholds

NUCLEAR REACTIONS 1H(γ, X), E=1.25-2.5 GeV; calculated K+ electromagnetic production near hyperon thresholds. Real, virtual photons, covariant perturbation theory.

doi: 10.1088/0031-8949/48/2/019
Citations: PlumX Metrics

1993WI11      Phys.Rev. C48, 1318 (1993)

R.A.Williams, C.-R.Ji, S.R.Cotanch

Kinematically Accessible Vector Meson Resonance Enhancements in p(K-, e+e-) (Lambda), Σ0, (Lambda)(1405)

NUCLEAR REACTIONS 1H(K-, X), E not given; calculated two-body virtual photon radiative capture σ vs momentum transfer squared; deduced kinematically accessible vector meson resonance enhancements features, (K-, e+e-)Y, Y=lambda, Σ0 production.

doi: 10.1103/PhysRevC.48.1318
Citations: PlumX Metrics

1992WI11      Phys.Rev. C46, 1617 (1992)

R.A.Williams, C.-R.Ji, S.R.Cotanch

Hyperon Electroproduction in a Crossing and Duality Constrained Model

NUCLEAR REACTIONS 1H(γ, K+X), E < 2.5 GeV; calculated σ(θ) vs E. Hyperon electroproduction, crossing, duality constrained model.

doi: 10.1103/PhysRevC.46.1617
Citations: PlumX Metrics

1991WI01      Phys.Rev. C43, 452 (1991)

R.A.Williams, C.-R.Ji, S.R.Cotanch

Crossing and Duality Consistent Study of Lambda, Σ0, and Lambda(1405) Production by Kaon Photoproduction and Radiative Capture

NUCLEAR REACTIONS 1H(γ, K+X), E=1.1-1.7 GeV; calculated σ(θ) vs E. 1H(K-, γX), E at 0.1-0.6 GeV/c; calculated σ(θ). Crossing, duality consistent model, Lambda, other particle production.

doi: 10.1103/PhysRevC.43.452
Citations: PlumX Metrics

1990CO39      J.Phys.(Paris), Colloq.C-6, 491 (1990)

S.R.Cotanch, R.A.Williams, C.-R.Ji

The Importance of Polarization in Kaon Photoproduction and Radiative Capture

NUCLEAR REACTIONS 1H(K-, γX), E at 0.1-0.6 GeV/c; 1H(γ, K+X), E ≈ 0.9-1.4 GeV; calculated σ(θ) for hyperon production.

1985DR07      Phys.Rev. C32, 1305 (1985)

B.J.Dropesky, G.W.Butler, G.C.Giesler, C.J.Orth, R.A.Williams

Excitation Functions for the Production of 18F and 24Na from Al and Si with Fast Pions

NUCLEAR REACTIONS Si, 27Al(π+, X)18F/24Na, E=50-390 MeV; Si, 27Al(π-, X)18F/24Na, E=50-500 MeV; measured residuals production σ(E); deduced pion absorption mechanism differences.

doi: 10.1103/PhysRevC.32.1305
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2377.

1980OR02      Phys.Rev. C21, 2524 (1980)

C.J.Orth, W.R.Daniels, B.J.Dropesky, R.A.Williams, G.C.Giesler, J.N.Ginocchio

Products of Stopped-Pion Interactions with Cu and Ta

NUCLEAR REACTIONS Cu, Ta(π-, X), E at rest; measured cumulative yields for 55,56,57,61Co, 52,59Fe, 48,49,51Cr, 48V, 43K, 41Ar, 24Na, 169Lu, 166,169Yb, 165,167Tm, independent yields for 56,57Ni, 58,60Co, 52,54Mn, 44,46,47,48Sc, 170,171,172,173,175,177,179Hf, 167,170,171,172,173,174,176,177,178,179Lu, 175,177Yb, 166,168,170,172,173Tm, 169,171Er. Three-step model calculations.

doi: 10.1103/PhysRevC.21.2524
Citations: PlumX Metrics

1979DR09      Phys.Rev. C20, 1844 (1979)

B.J.Dropesky, G.W.Butler, C.J.Orth, R.A.Williams, M.A.Yates-Williams, G.Friedlander, S.B.Kaufman

Absolute Cross Sections for the 12C(π±, πn)11C Reactions between 40 And 600 MeV

NUCLEAR REACTIONS 12C(π+, π+n), E=50-520 MeV; 12C(π-, π-n), E=40-600 MeV; measured σ(E), βγ-coin; deduced production σ for 11C. Semiclassical transport theory, intranuclear cascade.

doi: 10.1103/PhysRevC.20.1844
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2378.

1978OR02      Phys.Rev. C18, 1426 (1978)

C.J.Orth, B.J.Dropesky, R.A.Williams, G.C.Giesler, J.Hudis

Pion-Induced Spallation of Copper Across the (3, 3) Resonance

NUCLEAR REACTIONS Cu(π+, X), (π-, X), E=50, 100, 190, 350 MeV; Cu(p, X), E=200, 350 MeV; measured production σ for radioactive nuclei.

doi: 10.1103/PhysRevC.18.1426
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO0418.

1978PO05      Phys.Rev. C18, 2231 (1978)

N.T.Porile, B.J.Dropesky, R.A.Williams

Emission of 24Na Fragments in the Interaction of 197Au with Intermediate-Energy Pions and Protons

NUCLEAR REACTIONS 197Au(p, X), E=197-800 MeV; 197Au(π+, X), E=176-368 MeV; 197Au(π-, X), E=239-368 MeV; measured σ(E) for 24Na production. Hot-spot, coherent-cascade evaporation calculation; deduced role of statistic phase-space factors.

doi: 10.1103/PhysRevC.18.2231
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetB0147.

1977PO03      Phys.Lett. 67B, 43 (1977)

N.T.Porile, B.J.Dropesky, R.A.Williams

Fragmentation of Gold by Pions and Protons

NUCLEAR REACTIONS 197Au(p, X), E=200-800 MeV; measured σ(E).

doi: 10.1016/0370-2693(77)90800-0
Citations: PlumX Metrics

1976WE02      Phys.Rev. C13, 128 (1976)

M.W.Weisfield, R.A.Williams, A.A.Caretto, Jr.

Mechanisms of Heavy-Ion Induced (p, n)- and (n, p)-Type Reactions

NUCLEAR REACTIONS 65Cu(12C, X), E=43-122 MeV; 65Cu(11B, X), E=60-115 MeV; measured σ(E, θ) leading to 65Zn, 65Ni.

doi: 10.1103/PhysRevC.13.128
Citations: PlumX Metrics

1975DR02      Phys.Rev.Lett. 34, 821 (1975)

B.J.Dropesky, G.W.Butler, C.J.Orth, R.A.Williams, G.Friedlander, M.A.Yates, S.B.Kaufman

Excitation Functions for the Reactions 12C(π±, πN)11C over the Region of the (3, 3) Resonance

NUCLEAR REACTIONS 12C(π+, πX), E=50-470 MeV; 12C(π-, πX), E=40-550 MeV; measured σ(E) for production of 11C.

doi: 10.1103/PhysRevLett.34.821
Citations: PlumX Metrics

1974WI08      Phys.Rev. C10, 601 (1974)

R.A.Williams, A.A.Caretto, Jr.

Transfer Versus Compound-Nuclear Mechanism in the Reaction of 12C and 11B with 63Cu and 65Cu

NUCLEAR REACTIONS 63,65Cu(11B, X), (12C, X), E=23-117 MeV; measured σ(E, E(fragment mass), θ).

doi: 10.1103/PhysRevC.10.601
Citations: PlumX Metrics

1973KA19      Phys.Lett. 44B, 459 (1973)

P.J.Karol, A.A.Caretto, Jr., R.L.Klobuchar, D.M.Montgomery, R.A.Williams, M.V.Yester

Cross Sections for (π, πn) Reactions on 14N and 19F at the (3/2, 3/2) Resonance

RADIOACTIVITY 11C, 13N, 18F; measured γγ-coin.

NUCLEAR REACTIONS 14N, 19F(π+, X), 19F(π-, π-n), E=190 MeV; measured σ production of 13N, 18F.

doi: 10.1016/0370-2693(73)90334-1
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