NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = W.R.Gibbs Found 80 matches. 2017GI12 Phys.Rev. C 96, 034001 (2017) Isospin breaking from diquark clustering NUCLEAR REACTIONS 1H(p, X), E<30 MeV; analyzed scattering data to deduce one-pion-exchange (OPE) potential. 1H(p, X), (n, X), 1n(n, X), E not given; calculated variations of scattering lengths with parameters of the model for pp, nn and pn scattering, scattering length versus strength parameter, neutron-neutron and pp potentials, crypto-Coulomb (CC) charge symmetry breaking potential. 3H, 3He; calculated mass difference, and Coulomb differences in the three-nucleon system. 4H, 4He; calculated binding energies for hypernuclei, and isospin breaking energy differences as a function of cutoff parameter. Schematic model based on clustering of quark to establish connection between diquark clustering in the two-nucleon system and isospin breaking arising from the Coulomb interaction.
doi: 10.1103/PhysRevC.96.034001
2012GI01 Phys.Rev. C 86, 024604 (2012) Monte Carlo eikonal scattering NUCLEAR REACTIONS 4He(α, α), E=2.554, 4.20 GeV; 12C(α, α), E=1.37, 4.20 GeV; 16O(α, α), E=240, 400 MeV; 40Ca(α, α), E=1.37 GeV; 208Pb(α, α), E=288, 340, 480, 699 MeV; 12C(6He, 6He), E=230, 250 MeV; 12C(12C, 12C), E=1.016, 1.449, 1.620, 2.400 GeV; 12C, 40Ca(16O, 16O), E=1.503 GeV; 40Ca(40Ca, 40Ca), E=3.387 GeV; analyzed σ(θ) by calculation of Glauber elastic scattering amplitudes with the center-of-mass and Coulomb corrections. Monte Carlo eikonal method for elastic scattering.
doi: 10.1103/PhysRevC.86.024604
2008CH14 Phys.Rev. C 77, 054002 (2008) Q.Chen, C.R.Howell, T.S.Carman, W.R.Gibbs, B.F.Gibson, A.Hussein, M.R.Kiser, G.Mertens, C.F.Moore, C.Morris, A.Obst, E.Pasyuk, C.D.Roper, F.Salinas, H.R.Setze, I.Slaus, S.Sterbenz, W.Tornow, R.L.Walter, C.R.Whiteley, M.Whitton Measurement of the neutron-neutron scattering length using the π-d capture reaction NUCLEAR REACTIONS 2H(π-, nγ)n, E=20 MeV; measured neutron time-of-flight spectra, Eγ, Iγ, nγ-coin, neutron-neutron scattering length.
doi: 10.1103/PhysRevC.77.054002
2008DE14 Phys.Rev. C 77, 044003 (2008) J.-P.Dedonder, W.R.Gibbs, M.Nuseirat Phase variation of hadronic amplitudes
doi: 10.1103/PhysRevC.77.044003
2008GI01 Phys.Rev. C 77, 014003 (2008) Two-pion exchange contribution to proton-proton scattering at medium energies NUCLEAR REACTIONS p(p, X), E at 12 GeV/c; calculated amplitudes, pion-quark distributions.
doi: 10.1103/PhysRevC.77.014003
2007GI04 Phys.Rev. C 75, 035204 (2007) Partial-wave analysis of K+-nucleon scattering NUCLEAR REACTIONS 1H(K+, X), E at 0.5-1.6 GeV/c; analyzed σ, phase shifts, related data; deduced scattering lengths.
doi: 10.1103/PhysRevC.75.035204
2007GI09 Nucl.Phys. A790, 315c (2007) Two pion exchange in proton-proton scattering NUCLEAR REACTIONS 1H(polarized p, p), E at < 12 GeV/c; analyzed σ(θ=90°, E); deduced spin transfer parameter. Dispersion relations.
doi: 10.1016/j.nuclphysa.2007.03.057
2005GI21 Phys.Rev. C 72, 065205 (2005) Minimal electromagnetic and mass difference corrections in πN scattering NUCLEAR REACTIONS 1H(π-, π0), E=10-64 MeV; calculated σ(θ), Coulomb and mass difference corrections. Comparison with data.
doi: 10.1103/PhysRevC.72.065205
2004DE22 Phys.Rev. C 69, 054611 (2004) Pion charge exchange on deuterium NUCLEAR REACTIONS 2H(π+, pπ0), E=228, 294 MeV; analyzed Ep, pp-coin, σ(E, θ); deduced quantum corrections to classical intranuclear cascade model.
doi: 10.1103/PhysRevC.69.054611
2004GI12 Phys.Rev. C 70, 045208 (2004) Pentaquark in K+-d total cross section data NUCLEAR REACTIONS 2H(K+, X), E at 0.1-0.6 GeV/c; analyzed σ, related data; deduced pentaquark resonance width, energy.
doi: 10.1103/PhysRevC.70.045208
2004WU09 Braz.J.Phys. 34, 808 (2004) Double Charge Exchange on Medium Mass Nuclei NUCLEAR REACTIONS 56Fe, 93Nb(π+, π-), E=20-240 MeV; calculated σ(θ=5°). Optical model, pseudo-SU(4) model.
2003WU09 Phys.Rev. C 68, 054610 (2003) Double charge exchange and configuration mixing NUCLEAR REACTIONS 16,18O, 40Ca(π+, π-), E=20-220 MeV; calculated σ(θ) for ground-state and double-isobaric-analog-state transitions; deduced configuration mixing effects. Comparison with data.
doi: 10.1103/PhysRevC.68.054610
2002AL11 Phys.Rev. C65, 044609 (2002) Pion Double Charge Exchange on 4He NUCLEAR REACTIONS 4He(π+, π-), E=180, 240, 270 MeV; calculated σ(E, θ). Two-nucleon sequential single charge exchange and intranuclear cascade models, comparisons with data.
doi: 10.1103/PhysRevC.65.044609
2002AL27 Phys.Rev. C 66, 064604 (2002) Final state interactions in pion production from nuclei NUCLEAR REACTIONS 2H, 12C, 40Ca, 208Pb(π+, π+π-X), (π+, 2π+X), E=283 MeV; calculated pion pair invariant mass spectra, final state interaction effects. Comparison with data.
doi: 10.1103/PhysRevC.66.064604
2002WU07 Acta Phys.Hung.N.S. 16, 447 (2002) Effects of Nuclear Structure in Double Charge Exchange Reactions on 16O and 40Ca NUCLEAR REACTIONS 16O, 40Ca(π+, π-), E=50 MeV; calculated σ(θ); deduced nuclear structure effects. Comparison with data.
doi: 10.1556/APH.16.2002.1-4.47
2000GI10 Phys.Rev. C61, 064003 (2000) W.R.Gibbs, S.A.Coon, H.K.Han, B.F.Gibson Λ-Neutron Scattering Lengths from Radiative K- Capture NUCLEAR REACTIONS 2H(K-, γX), E=not given; analyzed data; deduced hyperon-neutron triplet and singlet scattering lengths.
doi: 10.1103/PhysRevC.61.064003
2000WU07 Phys.Rev. C62, 044614 (2000) Pion Elastic Scattering and Double Charge Exchange on Heavy Nuclei in the Generalized Seniority Model NUCLEAR REACTIONS 90Zr, 208Pb(π+, π+), E=30, 40, 50 MeV; 208Pb(π-, π-), E=162 MeV; 128,130Te(π+, π-), E=48 MeV; calculated σ(θ). 128Te(π+, π-), E=20-100 MeV; calculated σ(θ=10°). Generalized seniority model, partial Pauli blocking. Comparison with data.
doi: 10.1103/PhysRevC.62.044614
2000WU10 Acta Phys.Hung.N.S. 11, 433 (2000) Pion Elastic Scattering and Double Charge Exchange on Medium and Heavy Nuclei NUCLEAR REACTIONS 90Zr, 208Pb(π+, π+), E=30-162 MeV; 208Pb(π-, π-), E=162 MeV; 128Te(π+, π-), E=48 MeV; calculated σ(θ); deduced range of π-nucleus interaction. Comparison with data.
1999CO08 Phys.Rev. C59, 1290 (1999) Elastic Scattering of Pions from the Three-Nucleon System NUCLEAR REACTIONS 3H, 3He(π+, π+), (π-, π-), E=180 MeV; calculated σ(θ), scattering amplitudes, asymmetries; deduced double-spin-flip correction. Comparison with data.
doi: 10.1103/PhysRevC.59.1290
1999GI04 Phys.Rev. C59, 2282 (1999) Density Determination in a Multidimensional Space
doi: 10.1103/PhysRevC.59.2282
1999ZH14 Phys.Rev. C59, 3281 (1999) Pion Scattering from Polarized 3He NUCLEAR REACTIONS 3He(π+, π+), (π-, π-), E=100-256 MeV; calculated σ(θ), Ay(θ); deduced role of three-body wave function. Polarized target. Comparison with data.
doi: 10.1103/PhysRevC.59.3281
1998GI02 Phys.Rev. C57, 784 (1998) Low-Energy Pion-Nucleon Scattering NUCLEAR REACTIONS 1H(π+, π+), (π-, π-), E ≈ 30-90 MeV; analyzed data; deduced pion-nucleon coupling constant, scattering volumes, subthreshold Σ term, off-shell amplitudes. Several data sets used.
doi: 10.1103/PhysRevC.57.784
1998HO24 Phys.Lett. 444B, 252 (1998) C.R.Howell, Q.Chen, T.S.Carman, A.Hussein, W.R.Gibbs, B.F.Gibson, G.Mertens, C.F.Moore, C.Morris, A.Obst, E.Pasyuk, C.D.Roper, F.Salinas, I.Slaus, S.Sterbenz, W.Tornow, R.L.Walter, C.R.Whitley, M.Whitton Toward a Resolution of the Neutron-Neutron Scattering-Length Issue NUCLEAR REACTIONS 2H(π-, nγ), E not given; measured En, nγ(θ); deduced neutron-neutron scattering length. TOF.
doi: 10.1016/S0370-2693(98)01386-0
1998LO06 Nucl.Phys. A631, 442c (1998) Proton-Proton Scattering at 90° for P(lab) up to 12 GeV/c NUCLEAR REACTIONS 1H(polarized p, p), E at < 12 GeV/c; analyzed spin correlation parameter, σ(θ); deduced multiple pion exchange role.
doi: 10.1016/S0375-9474(98)00044-X
1998NU02 Phys.Rev. C58, 314 (1998) M.Nuseirat, M.A.K.Lodhi, W.R.Gibbs Pion-Nucleus Scattering NUCLEAR REACTIONS 12C, 16O, 40Ca(π+, π+), E=20-180 MeV; analyzed σ(θ); deduced phase shifts. Nonlocal optical model.
doi: 10.1103/PhysRevC.58.314
1998NU05 Phys.Rev. C58, 2292 (1998) M.Nuseirat, M.A.K.Lodhi, M.O.El-Ghossain, W.R.Gibbs, W.B.Kaufmann Energy Dependence of Pion Double Charge Exchange NUCLEAR REACTIONS 14C, 42,44,48Ca(π+, π-), E < 250 MeV; calculated σ(E, θ=10°); deduced reaction mechanism possible short-range corrections. Comparison with data.
doi: 10.1103/PhysRevC.58.2292
1998TO06 Nucl.Phys. A631, 421c (1998) W.Tornow, T.S.Carman, Q.Chen, W.R.Gibbs, B.F.Gibson, D.E.Gonzalez Trotter, C.R.Howell, A.H.Hussein, G.Mertens, C.F.Moore, C.Morris, A.Obst, E.Pasyuk, C.D.Roper, F.Salinas, D.Schmidt, H.R.Setze, I.Slaus, S.Sterbenz, H.Tang, R.L.Walter, C.R.Whitley, H.Witala, Z.Zhou Scattering Length Measurements from Radiative Pion Capture and Neutron-Deuteron Breakup NUCLEAR REACTIONS 2H(π-, 2n), E not given; 2H(n, np), E=13 MeV; measured nn, np scattering lengths; deduced no three-nucleon force effects.
doi: 10.1016/S0375-9474(98)00040-2
1997ES05 Phys.Rev. C56, 2607 (1997) M.A.Espy, J.M.O'Donnell, B.Davis, D.Dehnhard, J.L.Langenbrunner, B.Larson, M.Palarczyk, C.M.Riedel, K.Wick, S.Blanchard, G.R.Burleson, W.R.Gibbs, B.Lail, B.Nelson, B.K.Park, Q.Zhao, W.J.Cummings, P.P.J.Delheij, B.K.Jennings, O.Hausser, R.Henderson, D.Thiessen, E.Brash, M.K.Jones, B.Brinkmoller, K.Maeda, F.Merrill, C.L.Morris, S.Penttila, D.Swenson, D.Tupa, C.Bennhold, S.S.Kamalov Asymmetries for Elastic Scattering of π- from Polarized 3He atΔ Resonance Energies NUCLEAR REACTIONS 3He(π+, π+), E=142, 180, 256 MeV; 3He(π-, π-), E=180 MeV; measured σ(θ); deduced asymmetries, Δ-n spin-spin interaction. Optically pumped spin polarized target, large acceptance spectrometer. Model comparisons.
doi: 10.1103/PhysRevC.56.2607
1996ES04 Phys.Rev.Lett. 76, 3667 (1996) M.A.Espy, D.Dehnhard, C.M.Edwards, M.Palarczyk, J.L.Langenbrunner, B.Davis, G.R.Burleson, S.Blanchard, W.R.Gibbs, B.Lail, B.Nelson, B.K.Park, Q.Zhao, W.J.Cummings, P.P.J.Delheij, B.K.Jennings, R.Henderson, O.Hausser, D.Thiessen, E.Brash, M.K.Jones, B.Larson, B.Brinkmoller, K.Maeda, C.L.Morris, J.M.O'Donnell, S.Penttila, D.Swenson, D.Tupa, C.Bennhold, S.S.Kamalov Asymmetries for Elastic Scattering of π+ from Polarized 3He and the Δ-Neutron Spin-Spin Interaction NUCLEAR REACTIONS 3He(π+, π+), E=142-256 MeV; measured energy spectra, asymmetry vs θ; deduced Δ-n spin-spin interaction role. Polarized target.
doi: 10.1103/PhysRevLett.76.3667
1995GI08 Phys.Rev.Lett. 74, 3740 (1995) Isospin Breaking in Low-Energy Pion-Nucleon Scattering NUCLEAR REACTIONS 1H(π+, π+), (π-, π-), (π-, π0), E=30-50 MeV; analyzed amplitudes obtained from data; deduced clear iso-spin breaking indications.
doi: 10.1103/PhysRevLett.74.3740
1994GI08 Phys.Rev. C50, 2742 (1994) Neutron-Proton Charge Exchange NUCLEAR REACTIONS 1H(polarized p, n), (p, n), E at ≤ 500 MeV/c; analyzed σ(θ), polarization observables data; deduced nucleon quark constituents pions exchange role.
doi: 10.1103/PhysRevC.50.2742
1993SI15 Phys.Rev. C48, 1939 (1993) Pion Scattering from Spin 1/2 Nuclei NUCLEAR REACTIONS 13C(π+, π+), (π-, π-), E=114-226 MeV; analyzed σ(θ), analyzing power data. 15N(π+, π+), E=164 MeV; analyzed analyzing power data; deduced mechanism. DWIA, spin-dependent optical potential.
doi: 10.1103/PhysRevC.48.1939
1993ZU01 Phys.Rev.Lett. 71, 1796 (1993) J.D.Zumbro, C.L.Morris, J.A.McGill, S.J.Seestrom, R.M.Whitton, C.M.Edwards, A.L.Williams, M.R.Braunstein, M.D.Kohler, B.J.Kriss, S.Hoibraten, R.J.Peterson, J.Ouyang, J.E.Wise, W.R.Gibbs Inclusive Scattering of 500-MeV Pions from Carbon NUCLEAR REACTIONS C(π+, π+X), (π-, π-X), E=500 MeV; measured inclusive σ(θ, E(π)); deduced comparison with (e, e'X).
doi: 10.1103/PhysRevLett.71.1796
1992GI07 Phys.Rev. C46, 1825 (1992) Neutron Radii of the Calcium Isotopes NUCLEAR STRUCTURE 40,42,44,48Ca; analyzed pion scattering data; deduced neutron, proton radii, difference. Multiple scattering theory. NUCLEAR REACTIONS 44Ca(π-, π-), E not given; analyzed σ(θ). Multiple scattering theory.
doi: 10.1103/PhysRevC.46.1825
1992KA35 Phys.Rev. C46, 1474 (1992) W.B.Kaufmann, P.B.Siegel, W.R.Gibbs Deeply Bound Pionic Atoms Via the (π-, p) Reactions NUCLEAR REACTIONS 58Ni(π-, p), E=20-50 MeV; 58Ni(π-, n), E=50 MeV; calculated σ(θ), pion capture of 1s atomic level. Distorted wave impulse approximation, direct capture into atomic level. ATOMIC PHYSICS 58Ni(π-, p), E=20-50 MeV; 58Ni(π-, n), E=50 MeV; calculated σ(θ), pion capture of 1s atomic level. Distorted wave impulse approximation, direct capture into atomic level.
doi: 10.1103/PhysRevC.46.1474
1992LA17 Phys.Rev.Lett. 69, 1508 (1992) J.Langenbrunner, M.K.Jones, D.Dehnhard, C.L.Morris, W.R.Gibbs Evidence for Direct Triton Knockout in the 4He(π, π't)p Reaction NUCLEAR REACTIONS 4He(π+, π+t), (π-, π-t), E=180 MeV; measured σ(θ(π), θ(p)); deduced direct triton knockout mechanism role.
doi: 10.1103/PhysRevLett.69.1508
1991GI02 Phys.Rev. C43, 1012 (1991) Neutron Radius Analysis in the Trinucleon System from Pion Scattering NUCLEAR REACTIONS 3H, 3He(π+, π+), (π-, π-), E not given; analyzed σ(θ). 3H, 3He deduced relative neutron-proton radii.
doi: 10.1103/PhysRevC.43.1012
1991GI06 Phys.Rev.Lett. 67, 1395 (1991) Determination of the Radius of the 11Li Neutron Halo from Pion Double Charge Exchange NUCLEAR REACTIONS 11B(π-, π+), E not given; analyzed data. 11Li deduced neutron halo radius.
doi: 10.1103/PhysRevLett.67.1395
1990CA09 Phys.Rev. C41, 1637 (1990) F.Cannata, J.P.Dedonder, W.R.Gibbs Optical Potentials for Charged-Hadron-Nucleus Scattering: Role of Coulomb excitations NUCLEAR REACTIONS 40Ca(π+, π+), (π-, π-), E=50-180 MeV; calculated σ(θ); deduced Coulomb shift role.
doi: 10.1103/PhysRevC.41.1637
1990GI05 Phys.Rev. C41, 2726 (1990) W.R.Gibbs, W.R.Kaufmann, B.Loiseau, M.Lacombe, R.Vinh Mau Investigating Fundamental Antiproton-Nucleon Interactions by Means of (p-bar)-Nucleus Elastic Scattering NUCLEAR REACTIONS 12C(p-bar, p-bar), E=46.8 MeV; analyzed σ(θ); deduced interaction energy dependence.
doi: 10.1103/PhysRevC.41.2726
1989GI08 Phys.Lett. 231B, 6 (1989) W.R.Gibbs, W.B.Kaufmann, J.-P.Dedonder The Pion-Nucleus Resonance and Nuclear Translucence NUCLEAR REACTIONS 12C(π, π), E=10-80 MeV; calculated pion-nucleus s-wave phase shift; deduced nuclear translucence effect.
doi: 10.1016/0370-2693(89)90102-0
1989HE08 Phys.Rev. C39, 1896 (1989) π- Capture on the Deuteron as a Dibaryon Search NUCLEAR REACTIONS 2H(π-, π+X), E at rest; calculated capture rate; deduced dibaryon search relevance. ATOMIC PHYSICS, Mesic-Atoms 2H(π-, π+X), E at rest; calculated capture rate; deduced dibaryon search relevance.
doi: 10.1103/PhysRevC.39.1896
1989KA27 Phys.Rev. C40, 1729 (1989) K+-Nucleus Total Cross Section Analysis NUCLEAR REACTIONS 2H, 6Li, 12C, 16O, 28Si(K+, X), E at 550-800 MeV/c; analyzed σ extraction methods; deduced corrections.
doi: 10.1103/PhysRevC.40.1729
1989LE11 Phys.Rev. C39, 2356 (1989) M.J.Leitch, H.W.Baer, R.L.Burman, C.L.Morris, J.N.Knudson, J.R.Comfort, D.H.Wright, R.Gilman, S.H.Rokni, E.Piasetzky, Z.Weinfeld, W.R.Gibbs, W.B.Kaufmann 14C(π+, π-)14O Reaction between 19 and 80 MeV NUCLEAR REACTIONS 14C(π+, π-)14O, E=19-80 MeV; measured σ(θ) vs E. 14O deduced double IAS excitation. DWIA, optical model.
doi: 10.1103/PhysRevC.39.2356
1988AU05 Phys.Rev. C38, 1277 (1988) N.Auerbach, W.R.Gibbs, J.N.Ginocchio, W.B.Kaufmann Pion-Nucleus Double Charge Exchange and the Nuclear Shell Model NUCLEAR REACTIONS 42,44,46,48Ca, 46,48,50Ti, 52Cr, 54Fe(π+, π-), E=35, 45, 292 MeV; calculated ground, IAS transition σ(θ). Shell model.
doi: 10.1103/PhysRevC.38.1277
1987AU03 Phys.Rev.Lett. 59, 1076 (1987) N.Auerbach, W.R.Gibbs, E.Piasetzky Pion Double Charge Exchange and the Nuclear Shell Model NUCLEAR REACTIONS 42,44,46,48Ca(π+, π-), E=35 MeV; calculated double charge exchange σ.
doi: 10.1103/PhysRevLett.59.1076
1987KA03 Phys.Rev. C35, 838 (1987) Deser-Goldberger-Baumann-Thirring Formula for π-p Atoms NUCLEAR REACTIONS 1n(π0, π0), E=3.3-6.5 MeV; calculated σ(E). 1H(π-, π-), E not given; calculated scattering lengths. Dester-Goldberger-Baumann-Thirring formula. ATOMIC PHYSICS, Mesic-Atoms 1H; calculated pionic level shifts, widths. Deser-Goldberger-Baumann-Thirring formula.
doi: 10.1103/PhysRevC.35.838
1987SI18 Phys.Rev. C36, 2473 (1987) Meson-Nucleus Interactions using Polarized Nuclei NUCLEAR REACTIONS 10B(π+, π0), E=70, 165 MeV; calculated asymmetry vs θ. Polarized target.
doi: 10.1103/PhysRevC.36.2473
1986SI04 Phys.Rev. C33, 1407 (1986) Pion-Nucleon Charge Exchange and Scattering at Low Energies NUCLEAR REACTIONS 1H(π+, π+), (π-, π-), E ≈ 0-100 MeV; calculated phase shifts, σ(θ). 1n(π+, π0), 1H(π-, π0), E=35-65 MeV; calculated σ(θ), σ(E). Coupled-channels, non-local potentials.
doi: 10.1103/PhysRevC.33.1407
1985SI09 Phys.Rev. C31, 2184 (1985) P.B.Siegel, W.B.Kaufmann, W.R.Gibbs K+ as a Probe of Partial Deconfinement in Nuclei NUCLEAR REACTIONS 12C, 40Ca(K+, K+), E at 300-800 MeV/c; calculated σ(θ), σ(E), σ(12C)/σ(2H); deduced K+-nucleon interaction, phase shift nucleon size dependence.
doi: 10.1103/PhysRevC.31.2184
1984GI11 Phys.Lett. 145B, 1 (1984) Antiprotonic Atomic Energy Levels via the (p(bar), p) Reaction NUCLEAR REACTIONS 31P(p-bar, p), E=150 MeV; calculated σ(θ). 31P, 19F, 23Na(p-bar, p), E=100 MeV; calculated σ(θ=0°); deduced possible antiprotonic atom level detection. DWIA.
doi: 10.1016/0370-2693(84)90934-1
1984SI13 Phys.Rev. C30, 1256 (1984) P.B.Siegel, W.B.Kaufmann, W.R.Gibbs K+-Nucleus Elastic Scattering and Charge Exchange NUCLEAR REACTIONS 12C, 40Ca(K+, K+), E=446.4, 425, 433, 440 MeV; 13C(K+, K0), E=100-400 MeV; calculated σ(θ), σ(θ) vs E; deduced medium effects. DWIA analysis, multiple scattering theory.
doi: 10.1103/PhysRevC.30.1256
1983KA19 Phys.Rev. C28, 1286 (1983) Nuclear Medium Effects in Pion Elastic Scattering and Charge Exchange NUCLEAR REACTIONS 12C(π+, π+), E=165 MeV; calculated σ(θ). 7Li, 15N, 13C(π+, π0), E=40-240 MeV; calculated σ(0°), σ vs E, σ(θ); deduced binding, Pauli blocking correction effects. Pion-nucleus optical model, three-body approximation.
doi: 10.1103/PhysRevC.28.1286
1982GA19 Nucl.Phys. A381, 487 (1982) The Contribution of Pion Absorption with Two-Nucleon Emission to the Pion-Nucleus Optical Potential NUCLEAR REACTIONS C(π, X), E=20-140 MeV; calculated σ(absorption), σ(reaction). Quasielastic scattering, pion absorption, two nucleon emission.
doi: 10.1016/0375-9474(82)90372-4
1982RA34 Phys.Rev.Lett. 48, 781 (1982) R.D.Ransome, C.L.Hollas, P.J.Riley, B.E.Bonner, W.R.Gibbs, M.W.McNaughton, J.E.Simmons, T.S.Bhatia, G.Glass, J.C.Hiebert, L.C.Northcliffe, W.B.Tippens Spin Dependence In Neutron-Proton Charge Exchange At 790 Mev NUCLEAR REACTIONS 1H(n, n), E=790 MeV; measured products, Ep, Ip; deduced polarization data. Data were imported from EXFOR entry 13538.
doi: 10.1103/PhysRevLett.48.781
1981GA07 Nucl.Phys. A356, 284 (1981) Corrections to the Closure Approximation for the Pion-Nucleon T-Matrix inside the Nucleus NUCLEAR REACTIONS 12C(π, π), (π, X), E=30-150 MeV; 12C(π+, π+), (π-, π-), E=30, 50 MeV; calculated σ(θ), σ(reaction) vs E. Three-body model optical potential, closure approximation.
doi: 10.1016/0375-9474(81)90190-1
1981GI10 Phys.Lett. 103B, 281 (1981) Statistical Intermediate Structures in Compound Nucleus Reactions NUCLEAR REACTIONS 12C(12C, 12C), E(cm)=10-30 MeV; 16O(16O, 16O), E(cm)=15-35 MeV; calculated σ(θ, E); deduced intermediate structure, widths. Stochastic theory.
doi: 10.1016/0370-2693(81)90224-0
1981PO10 Phys.Rev. C23, 2648 (1981) W.N.Polyzou, W.R.Gibbs, G.J.Stephenson, Jr. Energy Shift Effects in Pion-Nucleus Charge Exchange NUCLEAR REACTIONS 13C(π+, π0), E=162 MeV; calculated σ(θ); deduced core isospin splitting effects. Plane, distorted wave analyses.
doi: 10.1103/PhysRevC.23.2648
1978GI13 Phys.Rev. C18, 1761 (1978) W.R.Gibbs, B.F.Gibson, G.J.Stephenson, Jr. Threshold Pion Photoproduction and Radiative Pion Capture. III. 3He → 3H NUCLEAR REACTIONS 3He(π-, γ), 3He(π-, π0); calculated threshold cross sections, capture rate, Panofsky ratio.
doi: 10.1103/PhysRevC.18.1761
1978YO02 Phys.Rev. C17, 837 (1978) Effect of Pion Distortion on the Asymmetry in (p, P+) Reactions on Light Nuclei NUCLEAR REACTIONS 12C, 16O(polarized p, π+), E=200 MeV; calculated asymmetry.
doi: 10.1103/PhysRevC.17.837
1977GI04 Phys.Rev.C15, 1384 (1977) W.R.Gibbs, B.F.Gibson, A.T.Hess, G.J.Stephenson, Jr. Pion Double Charge Exchange on 4He NUCLEAR REACTIONS 4He(π-, π+), E=0-500 MeV; calculated σ(E, θ).
doi: 10.1103/PhysRevC.15.1384
1977GI06 Phys.Lett. 68B, 205 (1977) A Model for Estimating (p, π+) Cross Sections NUCLEAR REACTIONS 2H(p, π+), E=330, 470, 590 MeV; 12C(p, π+), E=185 MeV; 3He(p, π+), E=415 MeV; calculated σ(θ).
doi: 10.1016/0370-2693(77)90270-2
1977GI09 Phys.Rev. C16, 322 (1977) W.R.Gibbs, B.F.Gibson, G.J.Stephenson, Jr. Threshold Charged-Pion Photoproduction and Radiative Pion Capture. I. The Nucleon NUCLEAR REACTIONS 1H(π-, γ), (γ, π+); calculated threshold σ, capture rate.
doi: 10.1103/PhysRevC.16.322
1977GI10 Phys.Rev. C16, 327 (1977); Erratum Phys.Rev. C17, 856 (1978) W.R.Gibbs, B.F.Gibson, G.J.Stephenson, Jr. Threshold Charged-Pion Photoproduction and Radiative Pion Capture. II. π-d → γnn NUCLEAR REACTIONS 2H(π-, γ); calculated capture rate, n-n scattering length.
doi: 10.1103/PhysRevC.16.327
1977GI16 Phys.Rev.Lett. 39, 1316 (1977) W.R.Gibbs, B.F.Gibson, G.J.Stephenson, Jr. Evidence for the Lorentz-Lorenz Effect in Low-Energy Pion-Nucleus Scattering NUCLEAR REACTIONS 16O(π+, π+), E=50 MeV; calculated strength parameters.
doi: 10.1103/PhysRevLett.39.1316
1976GI01 Phys.Rev.Lett. 36, 85 (1976) W.R.Gibbs, B.F.Gibson, A.T.Hess, G.J.Stephenson, Jr., W.B.Kaufmann Pion Charge-Exchange Scattering from Light Nuclei NUCLEAR REACTIONS 7Li, 10B, 13C(π+, π0); calculated σ(E).
doi: 10.1103/PhysRevLett.36.85
1976GI06 Phys.Rev. C13, 2433 (1976) W.R.Gibbs, B.F.Gibson, A.T.Hess, G.J.Stephenson, Jr., W.B.Kaufmann Elastic Pion-4He Scattering NUCLEAR REACTIONS 4He(π+, π+), (π-, π-), E=24-110 MeV; calculated σ(θ).
doi: 10.1103/PhysRevC.13.2433
1976PR11 Phys.Lett. 65B, 31 (1976) B.M.Preedom, C.W.Darden, R.D.Edge, T.Marks, M.J.Saltmarsh, K.Gabathuler, E.E.Gross, C.A.Ludemann, P.Y.Bertin, M.Blecher, K.Gotow, J.Alster, R.L.Burman, J.P.Perroud, R.P.Redwine, B.Goplen, W.R.Gibbs, E.L.Lomon The Deuteron D-State and the π+ + d → p + p Reaction NUCLEAR REACTIONS 2H(π+, 2p), E=40, 50, 60 MeV; measured σ(θ); deduced deuteron d-state probability.
doi: 10.1016/0370-2693(76)90527-X
1974GO07 Phys.Rev.Lett. 32, 1012 (1974) B.Goplen, W.R.Gibbs, E.L.Lomon Off-Shell Effects in Pion-Deuteron Absorption NUCLEAR REACTIONS 2H(π+, 2p); calculated σ.
doi: 10.1103/PhysRevLett.32.1012
1974KA07 Phys.Rev. C9, 1340 (1974) W.B.Kaufmann, J.C.Jackson, W.R.Gibbs Charge-Exchange Reactions on Light Nuclei in a Multiple-Scattering Formalism NUCLEAR REACTIONS 18O(π+, π0), E=180 MeV; calculated σ(E); 18O(π+, π-), E=180 MeV; calculated σ(E); 13C(π+, π0), E=30-200 MeV; calculated σ(E); 13C(π+, π0), E=180 MeV; calculated σ(θ); 9Be(π+, π0), E=30-250 MeV; calculated σ(E); 9Be(π+, π-), E=30-250 MeV; calculated σ(E) to T=3/2 final states; 9Be(π+, π0), E=175 MeV; calculated σ(θ) to ground, sum of final states; 9Be(π+, π-), E=175 MeV; calculated σ(θ) to T=3/2 final states; 11B(π+, π0), E=20-250 MeV; calculated σ(E) to ground, sum of final states.
doi: 10.1103/PhysRevC.9.1340
1972GI04 Phys.Rev. C5, 755 (1972) Multiple Scattering of Pions by 12C NUCLEAR REACTIONS 12C(π, π), (π, π'), E=120-280 MeV; calculated σ(E;θ).
doi: 10.1103/PhysRevC.5.755
1972LE34 Phys.Rev. C6, 1240 (1972) R.B.Leachman, P.Fessenden, W.R.Gibbs Variation of the 32S Compound-Nucleus Width with Energy and Spin NUCLEAR REACTIONS 31P(p, α), 16O(16O, α), Ep=5.2-5.6 MeV;E(16o)=25-36 MeV; measured σ(E;θ). 32S deduced coherence widths.
doi: 10.1103/PhysRevC.6.1240
1971FE01 Phys.Rev. C3, 807 (1971) P.Fessenden, W.R.Gibbs, R.B.Leachman Nuclear-State Widths of Medium-Weight Nuclei in the Continuum NUCLEAR REACTIONS 75As, 89Y, 103Rh, 107,109Ag, 115In(p, α), E < 14 MeV; measured σ(E;θ). 76Se, 90Zr, 104Pd, 108,110Cd, 116Sn deduced resonances, level-width.
doi: 10.1103/PhysRevC.3.807
1971GI01 Phys.Rev. C3, 1127 (1971) Multiple Scattering of Pions by Deuterons NUCLEAR REACTIONS 2H(π, π), E=85, 142 MeV; calculated σ(θ).
doi: 10.1103/PhysRevC.3.1127
1965BR40 Phys.Rev. 139, B354 (1965) H.C.Britt, W.R.Gibbs, J.J.Griffin, R.H.Stokes (d, p-f) Angular-Correlation Study of Fission-Barrier Transition States: Energy Gap of a Highly Deformed Nucleus NUCLEAR REACTIONS, Fission 233U, 239Pu(d, pF), E=14.9 MeV; measured σ(Ep, θ(p), θ(fragment)). 234U, 240Pu deduced fission-barrier transition states.
doi: 10.1103/PhysRev.139.B354
1965DE17 Phys.Rev. 139, B1170 (1965) G.Dearnaley, W.R.Gibbs, R.B.Leachman, P.C.Rogers Investigation of the Al27(α, p) Reaction by Cross-Section Fluctuation Studies NUCLEAR STRUCTURE 30Si; measured not abstracted; deduced nuclear properties.
doi: 10.1103/PhysRev.139.B1170
1965GI01 Nucl.Phys. 62, 548 (1965) Spin-Orbit Effects in the Ne20(d, nγ)Na21 Reaction NUCLEAR REACTIONS 20Ne(d, nγ), E=1.84, 2.36, 2.87 MeV; measured Eγ, σ(E, θ nγ). 21Na deduced level, J, delta(E2/M1). Natural target.
doi: 10.1016/0029-5582(65)90580-8
1963GI16 Helv.Phys.Acta 36, 693 (1963) Reaction N14(d, n)O15 (5.20; 5.25 and 6.15 Mev) NUCLEAR STRUCTURE 14N; measured not abstracted; deduced nuclear properties.
1962GR31 Helv.Phys.Acta 35, 548 (1962) Winkelkorrelationsmessungen der Stripping-Reaktion Ne20(d, nγ) Na21 NUCLEAR STRUCTURE 21Na, 20Ne; measured not abstracted; deduced nuclear properties.
1961GI04 Phys.Rev. 124, 1496 (1961) Distortion Effects in Deuteron Stripping Reactions with Low Q Values NUCLEAR STRUCTURE 12C; measured not abstracted; deduced nuclear properties.
doi: 10.1103/PhysRev.124.1496
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