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NSR database version of April 11, 2024.

Search: Author = R.R.Silbar

Found 31 matches.

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2012GO02      Phys.Rev. C 85, 015203 (2012)

T.Goldman, R.R.Silbar

Charmed mesons have no discernible color-Coulomb attraction

doi: 10.1103/PhysRevC.85.015203
Citations: PlumX Metrics


2008GO16      Phys.Rev. C 77, 065203 (2008)

T.Goldman, R.R.Silbar

Effect of pion exchange in a relativistic quark model of baryons

doi: 10.1103/PhysRevC.77.065203
Citations: PlumX Metrics


2002GO29      Phys.Rev. D66, 056001 (2002)

A.S.Goldhaber, T.Goldman, R.R.Silbar

Effect of hadron dynamics on the proton lifetime

NUCLEAR STRUCTURE 1H; calculated hadron dynamics effects on decay rate.

doi: 10.1103/PhysRevD.66.056001
Citations: PlumX Metrics


1990KL02      Phys.Rev. C41, 2263 (1990)

W.M.Kloet, R.R.Silbar, J.A.Tjon

Parity-Violating Asymmetry in p(pol)p Scattering at Medium Energies

NUCLEAR REACTIONS 1H(p, X), E ≤ 1 GeV; calculated longitudinal asymmetry; deduced parity-violation. Polarized target.

doi: 10.1103/PhysRevC.41.2263
Citations: PlumX Metrics


1989SH26      Phys.Rev. C40, 2203 (1989)

R.L.Shypit, D.V.Bugg, A.H.Sanjari, D.M.Lee, M.W.McNaughton, R.R.Silbar, C.L.Hollas, K.H.McNaughton, P.Riley, C.A.Davis

Spin Dependence of pp → npπ+ from 492 to 796 MeV

NUCLEAR REACTIONS 1H(polarized p, pπ+), E=492-796 MeV; measured spin correlation parameters; deduced no dibaryon evidence. Longitudinally polarized target.

doi: 10.1103/PhysRevC.40.2203
Citations: PlumX Metrics


1989SI18      Phys.Rev. C40, 2218 (1989)

R.R.Silbar, W.M.Kloet, L.S.Kisslinger, J.Dubach

Pion-Exchange Contribution to the Parity-Violating Asymmetry in p(pol)p Scattering

NUCLEAR REACTIONS 1H(polarized p, p), E=200-1000 MeV; calculated parity violating asymmetry vs E; deduced pion-exchange contribution.

doi: 10.1103/PhysRevC.40.2218
Citations: PlumX Metrics


1988SH06      Phys.Rev.Lett. 60, 901 (1988)

R.L.Shypit, D.V.Bugg, D.M.Lee, M.W.McNaughton, R.R.Silbar, N.M.Stewart, A.S.Clough, C.L.Hollas, K.H.McNaughton, P.Riley, C.A.Davis

Evidence against Broad Dibaryons

NUCLEAR REACTIONS 1H(polarized p, π+n), E=492-796 MeV; measured spin correlation parameters; deduced no broad dibaryons. Isobar analysis.

doi: 10.1103/PhysRevLett.60.901
Citations: PlumX Metrics


1988SH09      Nucl.Phys. A477, 541 (1988)

R.L.Shypit, D.V.Bugg, D.M.Lee, M.W.McNaughton, R.R.Silbar, N.M.Stewart, A.S.Clough, C.L.Hollas, K.H.McNaughton, P.Riley, C.A.Davis

A(SL), A(LL) and A(N0) for NN → πD at 492, 729 and 796 MeV

NUCLEAR REACTIONS 1H(polarized p, π+), E=492-796 MeV; measured spin correlation parameters A(LL), A(SL), A(N0). Longitudinally polarized propanediol target.

doi: 10.1016/0375-9474(88)90404-6
Citations: PlumX Metrics


1987DU03      Nucl.Phys. A466, 573 (1987)

J.Dubach, W.M.Kloet, R.R.Silbar

NN → NNπ at Intermediate Energies: Predictions of a unitary model

NUCLEAR REACTIONS 1H(p, pπ+), (p, pπ0), (n, pπ-), (p, pX), (p, nX), E=800 MeV; calculated σ(Ep, θp, θπ), spin observables, σ(Ep, θp), σ(En, θn). Unitary model.

doi: 10.1016/0375-9474(87)90458-1
Citations: PlumX Metrics


1987RI06      Phys.Lett. 197B, 23 (1987)

P.J.Riley, M.Bachman, C.L.Hollas, K.H.McNaughton, S.-W.Xu, B.E.Bonner, O.B.Van Dyck, J.McGill, M.W.McNaughton, J.C.Peng, R.R.Silbar, J.Dubach, W.M.Kloet

Polarization Observables for the Reaction pp → ppπ0 at 800 MeV

NUCLEAR REACTIONS 1H(polarized p, pπ0), E=647, 733, 800 MeV; measured induced polarization, analyzing power, Wolfenstein parameters. Orthogonal beam polarization.

doi: 10.1016/0370-2693(87)90334-0
Citations: PlumX Metrics


1986DU01      Phys.Rev. C33, 373 (1986)

J.Dubach, W.M.Kloet, R.R.Silbar

Nucleon-Nucleon Final-State Interactions in NN → NNπ

NUCLEAR REACTIONS 1H(p, pπ+), (polarized p, pπ+), E=800 MeV; calculated σ(θp, θ(π)), spin observables, spin-spin correlation parameter vs proton momentum.

doi: 10.1103/PhysRevC.33.373
Citations: PlumX Metrics


1986DU08      Phys.Rev. C34, 944 (1986)

J.Dubach, W.M.Kloet, R.R.Silbar, J.A.Tjon, E.van Faassen

Model Dependence of Unitary Isobar Model Treatments of NN → NN(π) at Intermediate Energies

NUCLEAR REACTIONS 1H(polarized p, π+), E=800 MeV; calculated σ(θp, θ(π)) vs proton momentum, spin observables vs θ; deduced dibaryon resonance role. Unitary isobar model.

doi: 10.1103/PhysRevC.34.944
Citations: PlumX Metrics


1985HO16      Phys.Rev.Lett. 55, 29 (1985)

C.L.Hollas, K.H.McNaughton, P.J.Riley, Shen-wu Xu, B.E.Bonner, O.B.van Dyck, J.McGill, M.W.McNaughton, J.C.Peng, R.R.Silbar, J.Dubach, W.M.Kloet

Wolfenstein Polarization Observables for the Reaction p(pol)p → p(pol)πn at 800 MeV

NUCLEAR REACTIONS 1H(polarized p, pπ+), E=650, 733, 800 MeV; measured Wolfenstein polarization parameters, induced polarization, σ(θ1, θ2) vs proton momentum.

doi: 10.1103/PhysRevLett.55.29
Citations: PlumX Metrics


1985MI04      Phys.Rev.Lett. 54, 1237 (1985)

C.Milner, M.Barlett, G.W.Hoffmann, S.Bart, R.E.Chrien, P.Pile, P.D.Barnes, G.B.Franklin, R.Grace, H.S.Plendl, J.F.Amann, T.S.Bhatia, T.Kozlowski, J.C.Peng, R.R.Silbar, H.A.Thiessen, C.Glashausser, J.A.McGill, R.Hackenburg, E.V.Hungerford, R.L.Stearns

Observation of Lambda-Hypernuclei in the Reaction 12C(π+, K+)12C(Lamdba)

NUCLEAR REACTIONS 12C(π+, K+), E at 716, 728 MeV/c; measured σ(θ); deduced 12C hypernuclear levels.

doi: 10.1103/PhysRevLett.54.1237
Citations: PlumX Metrics


1985SI26      J.Phys.(Paris), Colloq.C-2, 389 (1985)

R.R.Silbar

Theoretical Aspects of the Nucleon-Nucleon Workshop

NUCLEAR REACTIONS 1H(p, π+n), E=0.3-1.4 GeV; analyzed σ(Ep, θp, θπ), asymmetry data. 1H(p, n), E=800 MeV; analyzed spin transfer coefficient data.


1984SI03      Phys.Rev. C29, 1116 (1984); Erratum Phys.Rev.C30, 1365 (1984)

R.R.Silbar, E.Piasetzky

Isospin Dependence of Pion Absorption on Nucleon Pairs

NUCLEAR REACTIONS 3,4He(π-, pn), (π+, 2p), E at rest to resonance; calculated σ(θ), ratio; deduced nucleon pair absorption isospin dependence. Unitary isobar model.

doi: 10.1103/PhysRevC.29.1116
Citations: PlumX Metrics


1983BH07      Phys.Rev. C28, 2071 (1983)

T.S.Bhatia, J.G.J.Boissevain, J.J.Jarmer, R.R.Silbar, J.E.Simmons, G.Glass, J.C.Hiebert, R.A.Kenefick, L.C.Northcliffe, W.B.Tippens, W.M.Kloet, J.Dubach

Analyzing Powers and Spin Correlations A(NN) and A(LL) for pp → npπ+ at 650 and 800 MeV

NUCLEAR REACTIONS 1H(polarized p, pπ), E=800, 650 MeV; measured analyzing power, spin correlation vs proton momentum. Born approximation calculations.

doi: 10.1103/PhysRevC.28.2071
Citations: PlumX Metrics


1982LO11      Phys.Rev. C26, 586 (1982)

D.G.Long, M.M.Sternheim, R.R.Silbar

Simplified Intranuclear Cascade Approach to Inclusive (p, π-xn) Reaction near Threshold

NUCLEAR REACTIONS 209Bi(p, xnπ-), E=175-220 MeV; calculated σ(E) inclusive. Intranuclear cascade model, nucleon, pion charge exchange.

doi: 10.1103/PhysRevC.26.586
Citations: PlumX Metrics


1981DU17      Phys.Lett. 106B, 29 (1981)

J.Dubach, W.M.Kloet, A.Cass, R.R.Silbar

Exclusive Spin-Dependent Pion Production in Medium-Energy Nucleon-Nucleon Collisions: The role of unitarity

NUCLEAR REACTIONS 1H(polarized p, π+p), E=800 MeV; calculated asymmetry vs θp, θ(π). Unitarity, relativistic model dynamics.

doi: 10.1016/0370-2693(81)91073-X
Citations: PlumX Metrics


1981ST14      Phys.Rev. C24, 574 (1981)

M.M.Sternheim, R.R.Silbar

(π, πn) Puzzle above the (3, 3) Resonance

NUCLEAR REACTIONS 12C(π+, πp), (π+, πn), (π-, πp), (π-, πn), E=40-1000 MeV; calculated σ(π+)/σ(π-). Impulse approximation, Pauli principle, Fermi motion, pion production corrections, final state effects.

doi: 10.1103/PhysRevC.24.574
Citations: PlumX Metrics


1980SH02      Nucl.Phys. A333, 461 (1980)

T.C.Sharma, L.W.Swenson, K.S.Krane, P.Varghese, D.K.McDaniels, H.A.Thiessen, N.Tanaka, R.R.Silbar, M.Greenfield, C.F.Moore

Proton Yields from Quasielastic Pion Scattering on 27Al and 208Pb

NUCLEAR REACTIONS 27Al, 208Pb(π+, π+p), (π-, π-p), E=255 MeV; measured σ(Ep, θp); deduced σ ratio. Semi-classical nucleon charge exchange model.

doi: 10.1016/0375-9474(80)90110-4
Citations: PlumX Metrics


1980ST07      Phys.Rev. C21, 1974 (1980)

M.M.Sternheim, R.R.Silbar

Interpretation of Quasielastic Pion Scattering Coincidence Experiments

NUCLEAR REACTIONS 12C, 27Al, 208Pb(π+, π+p), (π-, π-p), E=180, 190, 255 MeV; analyzed pion-nucleon coin data. Impulse approximation, recoil nucleon charge exchange.

doi: 10.1103/PhysRevC.21.1974
Citations: PlumX Metrics


1979KR14      Phys.Rev. C20, 1873 (1979)

K.S.Krane, T.C.Sharma, L.W.Swenson, D.K.McDaniels, P.Varghese, B.E.Wood, R.R.Silbar, H.D.Wohlfahrt, C.A.Goulding

Energetic Charged-Particle Spectrum Following μ- Capture by Nuclei

NUCLEAR REACTIONS Al, Cu, Pb(μ-, X), E=0; measured charged-particle spectrum, σ(E).

doi: 10.1103/PhysRevC.20.1873
Citations: PlumX Metrics


1977SI01      Phys.Rev. C15, 371 (1977)

R.R.Silbar, J.N.Ginocchio, M.M.Sternheim

Dramatic Nuclear Structure Effects in (π, πN) Reactions

NUCLEAR REACTIONS 11B, 12C, 16,17,18O, 19F, 31P, 58,60,62,64Ni, 64,66,68,70Zn(π, X), E ≈ 190 MeV; calculated pion induced nucleon knockout σ.

doi: 10.1103/PhysRevC.15.371
Citations: PlumX Metrics


1977SI03      Phys.Rev. C15, 1158 (1977)

R.R.Silbar

Neutron Removal from 7Li by π±

NUCLEAR REACTIONS 7Li(π+, π+n), (π+, π+p), E=50-290 MeV; calculated nucleon charge exchange probabilities.

doi: 10.1103/PhysRevC.15.1158
Citations: PlumX Metrics


1977ST27      Phys.Rev. C16, 2059 (1977)

M.M.Sternheim, R.R.Silbar

Neutron and Proton Knockout from 19F and 27Al by Negative Pions

NUCLEAR REACTIONS 19F, 27Al(π-, π-n), (π-, π-p), (π-, π0n), E=200 MeV; calculated neutron/proton knockout.

doi: 10.1103/PhysRevC.16.2059
Citations: PlumX Metrics


1975SI10      Phys.Rev. C11, 1610 (1975)

R.R.Silbar

Quasielastic Pion Scattering in the (3, 3) Resonance Region

NUCLEAR REACTIONS 12C, 63Cu, 208Pb(π, π'), E=100-400 MeV; calculated σ(θ).

doi: 10.1103/PhysRevC.11.1610
Citations: PlumX Metrics


1975SI18      Phys.Rev. C12, 341 (1975)

R.R.Silbar

(π, πN) Puzzle: Effects of Pion Charge Exchange

NUCLEAR REACTIONS 12C(π+, X), (π-, X), E=50-300 MeV; calculated pion charge exchange.

doi: 10.1103/PhysRevC.12.341
Citations: PlumX Metrics


1974SP07      Phys.Rev. C10, 2215 (1974)

D.A.Sparrow, M.M.Sternheim, R.R.Silbar

Semiclassical Model for Pion Production by Neutrons on Nuclei

NUCLEAR REACTIONS Al, Cu, Pb(p, π+), (p, π-), (n, π+), (n, π-), (p, γ), (n, γ); calculated σ.

doi: 10.1103/PhysRevC.10.2215
Citations: PlumX Metrics


1973SI23      Phys.Rev. C8, 492 (1973)

R.R.Silbar, M.M.Sternheim

Nuclear Effects in the Production of π+ and π- by Protons on Nuclei

NUCLEAR REACTIONS 27Al, 63Cu, 208Pb(p, π+), (p, π-); measured nothing, calculated production σ of π+, π-.

doi: 10.1103/PhysRevC.8.492
Citations: PlumX Metrics


1972SI24      Phys.Rev. C6, 764 (1972)

R.R.Silbar, M.M.Sternheim

Model Dependence of Pion-Nucleus Total Cross Sections

doi: 10.1103/PhysRevC.6.764
Citations: PlumX Metrics


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