NSR Query Results
Output year order : Descending NSR database version of March 21, 2024. Search: Author = S.Hama Found 36 matches. 2009CO17 Phys.Rev. C 80, 034605 (2009) Global Dirac optical potential from helium to lead NUCLEAR REACTIONS 4He, 12C, 16O, 28Si, 40Ca, 58Ni, 90Zr, 116Sn, 144Sm, 208Pb(p, p), E=20-1040 MeV; analyzed σ, σ(θ), analyzing powers using optical-model parametrization.
doi: 10.1103/PhysRevC.80.034605
2006CL02 Phys.Rev. C 73, 024608 (2006) Global Dirac phenomenology for proton elastic scattering from 4He NUCLEAR REACTIONS 4He(p, p), E=156-1728 MeV; analyzed σ(θ), Ay(θ); deduced optical potential parameters.
doi: 10.1103/PhysRevC.73.024608
2005DE32 Phys.Rev. C 72, 014608 (2005) P.K.Deb, B.C.Clark, S.Hama, K.Amos, S.Karataglidis, E.D.Cooper Comparison of optical model results from a microscopic Schrodinger approach to nucleon-nucleus elastic scattering with those from a global Dirac phenomenology NUCLEAR REACTIONS 12C, 16O, 40Ca, 90Zr, 208Pb(p, p), E=65, 200 MeV; calculated σ(θ), Ay(θ), other spin observables. 12C, 16O, 40Ca, 90Zr, 208Pb(p, X), (n, X), E=20-800 MeV; calculated total, reaction σ. Comparison of Dirac and Schrodinger approaches, comparison with data.
doi: 10.1103/PhysRevC.72.014608
2003CL03 Phys.Rev. C 67, 054605 (2003) Neutron densities from a global analysis of medium-energy proton-nucleus elastic scattering NUCLEAR REACTIONS 40,48Ca, 208Pb(p, p), E=500-1040 MeV; analyzed σ(θ), Ay(θ). 40,48Ca, 208Pb deduced neutron densities, radii. Comparison with model predictions.
doi: 10.1103/PhysRevC.67.054605
2000KU08 Prog.Theor.Phys.(Kyoto) 103, 321 (2000) L.Kurth Kerr, B.C.Clark, S.Hama, L.Ray, G.W.Hoffmann Theoretical and Experimental K+ + Nucleus Total and Reaction Cross Sections from the KDP-RIA Model NUCLEAR REACTIONS 6Li, 12C, 28Si, 40Ca(K+, X), E at 450-750 MeV/c; calculated total, reaction σ. 12C(K+, K+), E at 715 MeV/c; calculated σ(θ). Kemmer-Duffin-Petiau equation, relativistic impulse approximation. Comparisons with data.
1999IN01 Nucl.Phys. A653, 341 (1999) A.Ingemarsson, J.Nyberg, P.U.Renberg, O.Sundberg, R.F.Carlson, A.Auce, R.Johansson, G.Tibell, B.C.Clark, L.Kurth Kerr, S.Hama Reaction Cross Sections for 65 MeV Protons on Targets from 9Be to 208Pb NUCLEAR REACTIONS 9Be, 12C, 16O, 28Si, 40Ca, 58,60Ni, 112,116,118,120,124Sn, 208Pb(p, X), E=65.5 MeV; measured reaction σ. Comparison with optical model predictions.
doi: 10.1016/S0375-9474(99)00236-5
1998CL04 Phys.Lett. 427B, 231 (1998); Erratum Phys.Lett. 486B, 272 (2000) B.C.Clark, R.J.Furnstahl, L.Kurth Kerr, J.Rusnak, S.Hama Pion-Nucleus Scattering at Medium Energies with Densities from Chiral Effective Field Theories NUCLEAR REACTIONS 208Pb(π+, π+), (π-, π-), E at 790 MeV/c; calculated σ(θ). Relativistic point-coupling models, mean-field meson models. Comparison with data.
doi: 10.1016/S0370-2693(98)00352-9
1997KA22 Phys.Rev. C55, 2533 (1997) G.Kahrimanis, G.Burleson, C.M.Chen, B.C.Clark, K.Dhuga, D.J.Ernst, J.A.Faucett, H.T.Fortune, S.Hama, A.Hussein, M.F.Jiang, K.W.Johnson, L.Kurth Kerr, S.Mathews, J.McGill, C.F.Moore, S.Mordechai, C.L.Morris, J.O'Donnell, M.Snell, M.Rawool-Sullivan, L.Ray, C.Whitley, A.L.Williams Pion-Nucleus Elastic Scattering on 12C, 40Ca, 90Zr, and 208Pb at 400 and 500 MeV NUCLEAR REACTIONS 12C, 40Ca, 208Pb(π+, π+), (π-, π-), E=400, 500 MeV; 90Zr(π+, π+), E=400, 500 MeV; 90Zr(π-, π-), E=400 MeV; measured σ(θ). 208Pb(π+, π+), (π-, π-), E=662.7 MeV; 40Ca(π+, π+), (π-, π-), 12C(π+, π+), E=672.5 MeV; 12C(π-, π-), E=672.5, 486.2 MeV; analyzed σ(θ). Impulse approximation approach.
doi: 10.1103/PhysRevC.55.2533
1996HO08 Phys.Rev. C53, 1974 (1996) G.W.Hoffmann, L.Ray, D.Read, S.Worm, M.L.Barlett, A.A.Green, B.Storm, B.C.Clark, S.Hama, R.L.Mercer Measurement of the Polarization Transfer Parameter D(NN) for 12,13C(p(pol), p(pol)) at 500 MeV NUCLEAR REACTIONS 12,13C(polarized p, p), E=500 MeV; measured polarization transfer parameter D(NN). Non-relativistic DWBA analysis, coupled-channels Dirac, relativistic DWBA analyses.
doi: 10.1103/PhysRevC.53.1974
1996MI13 Phys.Lett. 382B, 29 (1996) R.Michael, M.B.Barakat, S.Bart, R.E.Chrien, B.C.Clark, D.J.Ernst, S.Hama, K.H.Hicks, W.Hinton, E.V.Hungerford, M.G.Jiang, T.Kishimoto, C.M.Kormanyos, L.J.Kurth, L.Lee, B.Mayes, R.J.Peterson, L.Pinsky, R.Sawafta, R.Sutter, L.Tang, J.E.Wise K+ Elastic Scattering from C and 6Li at 715 MeV/c NUCLEAR REACTIONS 12C, 6Li(K+, K+), E at 715 MeV/c; measured σ(θ). Parameter-free impluse approximation.
doi: 10.1016/0370-2693(96)00664-8
1995KU11 Nucl.Phys. A585, 335c (1995) L.J.Kurth, B.C.Clark, E.D.Cooper, S.Hama, R.L.Mercer, L.Ray, G.W.Hoffmann Meson-Nucleus Scattering in the KDP Formalism NUCLEAR REACTIONS 12C(K+, K+), E at 800, 715 MeV/c; calculated σ(θ). Kemmer-Duffin-Petiau equation, relativistic impulse approximation.
doi: 10.1016/0375-9474(94)00594-D
1994KU05 Phys.Rev. C49, 2086 (1994) L.Kurth, B.C.Clark, E.D.Cooper, S.Hama, S.Shim, R.L.Mercer, L.Ray, G.W.Hoffmann Dirac Coupled Channel Calculations for Proton Inelastic Scattering from Spherically Symmetric Nuclei for Projectile Energies of 362, 500, and 800 MeV NUCLEAR REACTIONS 40Ca, 90Zr, 208Pb(polarized p, p'), (polarized p, p), E=362, 500, 800 MeV; analyzed σ(θ), analyzing power, other polarization data; deduced model parameters. 40Ca, 90Zr, 208Pb levels deduced deformation lengths, parameters. Phenomenological, relativistic impulse approximation optical potentials.
doi: 10.1103/PhysRevC.49.2086
1994KU23 Phys.Rev. C50, 2624 (1994) L.J.Kurth, B.C.Clark, E.D.Cooper, S.Hama, R.L.Mercer, L.Ray, G.W.Hoffmann Relativistic Impulse Approximation Treatment of the Elastic Scattering of 400 MeV π± on 28Si NUCLEAR REACTIONS 28Si(π+, π+), (π-, π-), E=400 MeV; calculated σ(θ). Relativistic impulse approximation, Kemmer-Duffin-Petiau formalism.
doi: 10.1103/PhysRevC.50.2624
1993CO02 Phys.Rev. C47, 297 (1993) E.D.Cooper, S.Hama, B.C.Clark, R.L.Mercer Global Dirac Phenomenology for Proton-Nucleus Elastic Scattering NUCLEAR REACTIONS 28Si(polarized p, p), E=179 MeV; 12C(polarized p, p), E=494 MeV; calculated σ(θ), analyzing power, polarization observables vs θ. 12C, 16O, 40Ca, 90Zr, 208Pb(p, X), E ≤ 1 GeV; 12C, 16O, 40Ca, 90Zr, 208Pb(n, X), E < 500 MeV; analyzed σ(E); deduced global Dirac optical model parameters, characteristic features.
doi: 10.1103/PhysRevC.47.297
1992SH01 Phys.Rev. C45, 382 (1992) S.Shim, B.C.Clark, E.D.Cooper, S.Hama, R.L.Mercer Relativistic Optical Model Analysis of 180 MeV (p(pol)) + 12C Elastic and Inelastic Scattering NUCLEAR REACTIONS 12C(polarized p, p), (polarized p, p'), E=180 MeV; analyzed data. Dirac coupled-channels approach, collective model potentials.
doi: 10.1103/PhysRevC.45.382
1991MI01 Phys.Rev. C43, 801 (1991) V.K.Mishra, S.Hama, B.C.Clark, R.E.Kozack, R.L.Mercer, L.Ray Implications of Various Spin-One Relativistic Wave Equations for Intermediate-Energy Deuteron-Nucleus Scattering NUCLEAR REACTIONS 58Ni(polarized d, d), E=400 MeV; 40Ca(polarized d, d), E=700 MeV; calculated σ(θ), vector, tensor analyzing power vs θ. Various spin-one relativistic equations.
doi: 10.1103/PhysRevC.43.801
1990HA20 Phys.Rev. C41, 2737 (1990) S.Hama, B.C.Clark, E.D.Cooper, H.S.Sherif, R.L.Mercer Global Dirac Optical Potentials for Elastic Proton Scattering from Heavy Nuclei NUCLEAR REACTIONS 48,40Ca(polarized p, p), E=65-1040 MeV; 60Ni, 56Fe(polarized p, p), E=65 MeV; 90Zr, 208Pb(polarized p, p), E=65-800 MeV; analyzed σ(θ), polarization observables data; deduced model parameters. Global Dirac optical model.
doi: 10.1103/PhysRevC.41.2737
1990HO06 Phys.Rev. C41, 1651 (1990) G.W.Hoffmann, M.L.Barlett, D.Ciskowski, G.Pauletta, M.Purcell, L.Ray, J.F.Amann, J.J.Jarmer, K.W.Jones, S.Pentilla, N.Tanaka, M.M.Gazzaly, J.R.Comfort, B.C.Clark, S.Hama Cross Sections, Analyzing Powers, and Spin-Rotation-Depolarization Observables for 500 MeV Proton Elastic Scattering from 12C and 13C NUCLEAR REACTIONS 12,13C(polarized p, p), E=494 MeV; measured σ(θ), analyzing powers, spin rotation depolarization observables; deduced phenomenological Dirac optical potentials. Calculated retativistic impulse approximation optical potentials, observables.
doi: 10.1103/PhysRevC.41.1651
1990HO22 Phys.Rev.Lett. 65, 3096 (1990) G.W.Hoffmann, M.L.Barlett, W.Kielhorn, G.Pauletta, M.Purcell, L.Ray, J.F.Amann, J.J.Jarmer, K.W.Jones, S.Penttila, N.Tanaka, G.Burleson, J.Faucett, M.Gilaini, G.Kyle, L.Stevens, A.M.Mack, D.Mihailidis, T.Averett, J.Comfort, J.Gorgen, J.Tinsley, B.C.Clark, S.Hama, R.L.Mercer Polarized-Proton Elastic Scattering from Polarized 13C NUCLEAR REACTIONS 13C(polarized p, p), E=497.5 MeV; measured spin correlation parameter, target analyzing power vs θ. Dynamic nuclear polarization technique, polarized, cooled target, enriched ethylene glycol target.
doi: 10.1103/PhysRevLett.65.3096
1990SH26 Phys.Rev. C42, 1592 (1990) S.Shim, B.C.Clark, E.D.Cooper, S.Hama, R.L.Mercer, L.Ray, J.Raynal, H.S.Sherif Comparison of Relativistic and Nonrelativistic Approaches to the Collective Model Treatment of p + 40Ca Inelastic Scattering NUCLEAR REACTIONS 40Ca(polarized p, p), (polarized p, p'), E=497.5 MeV; calculated σ(θ), analyzing power, spin rotation function vs θ. Dirac, Schrodinger coupled-channels formalisms.
doi: 10.1103/PhysRevC.42.1592
1989KO34 Phys.Rev. C40, 2181 (1989) R.E.Kozack, B.C.Clark, S.Hama, V.K.Mishra, R.L.Mercer, L.Ray Spin-One Kemmer-Duffin-Petiau Equations and Intermediate-Energy Deuteron-Nucleus Scattering NUCLEAR REACTIONS 58Ni(polarized d, d), E=400 MeV; 40Ca(polarized d, d), E=700 MeV; calculated σ(θ), analyzing power vs θ. Phenomenological, microscopic nucleon-nucleus potentials, spin-one Kemmer-Duffin-Petiau equations.
doi: 10.1103/PhysRevC.40.2181
1988CO09 Phys.Lett. 206B, 588 (1988) E.D.Cooper, B.C.Clark, S.Hama, R.L.Mercer Dirac-Global Fits to Calcium Elastic Scattering Data in the Range 21-200 MeV NUCLEAR REACTIONS 40Ca(p, p), (polarized p, p), E=21-200 MeV; calculated σ(θ), analyzing power vs θ. Global relativistic optical model.
doi: 10.1016/0370-2693(88)90701-0
1988HA08 Phys.Rev. C37, 1111 (1988) S.Hama, B.C.Clark, R.E.Kozack, S.Shim, E.D.Cooper, R.L.Mercer, B.D.Serot Dirac Optical Potentials Constrained by a Dirac-Hartree Approach to Nuclear Structure NUCLEAR REACTIONS 16O, 48,40Ca, 90Zr, 208Pb(p, p), (polarized p, p), E=800 MeV; calculated σ(θ), polarization observables. Relativistic treatment.
doi: 10.1103/PhysRevC.37.1111
1988IQ02 Nucl.Phys. A487, 626 (1988) M.J.Iqbal, J.I.Johansson, S.Hama, H.S.Sherif Isovector Dirac Optical Potentials and Nucleon Charge Exchange Reactions NUCLEAR REACTIONS 90Zr(polarized p, n), E=160 MeV; 48Ca(polarized p, n), E=134 MeV; calculated σ(θ), analyzing power. 208Pb(polarized p, n), E=134 MeV; calculated σ(θ), spin rotation parameter vs θ; deduced model parameters. Dirac optical potentials.
doi: 10.1016/0375-9474(88)90030-9
1988KO12 Phys.Rev. C37, 2898 (1988) R.E.Kozack, B.C.Clark, S.Hama, V.K.Mishra, G.Kalbermann, R.L.Mercer, L.Ray Relativistic Deuteron-Nucleus Scattering in the Kemmer-Duffin-Petiau Formalism NUCLEAR REACTIONS 58Ni(d, d), (polarized d, d), E=400 MeV; measured σ(θ), analyzing power vs θ. Kemmer-Duffin-Petiau equations.
doi: 10.1103/PhysRevC.37.2898
1988RA08 Phys.Rev. C37, 1169 (1988); Erratum Phys.Rev. C39, 2089 (1989) L.Ray, G.W.Hoffmann, M.L.Barlett, J.D.Lumpe, B.C.Clark, S.Hama, R.L.Mercer Relativistic Impulse Approximation Description of Polarized Proton Elastic Scattering from Polarized 13C NUCLEAR REACTIONS 13C(polarized p, p), E=500 MeV; calculated σ(θ), P(θ), spin observables; deduced target nucleus relativistic effects role. Relativistic dynamics, pseudovector coupling.
doi: 10.1103/PhysRevC.37.1169
1988SH32 Phys.Rev. C38, 1968 (1988) S.Shim, B.C.Clark, S.Hama, E.D.Cooper, R.L.Mercer, L.Ray, G.W.Hoffmann Dirac Coupled Channels Calculation for p + 40Ca Inelastic Scattering using the Relativistic Impulse Approximation NUCLEAR REACTIONS 40Ca(polarized p, p), (polarized p, p'), E=497.5 MeV; calculated σ(θ), analyzing power vs θ. 40Ca levels deduced deformation lengths. Relativistic impulse approximation.
doi: 10.1103/PhysRevC.38.1968
1987CO32 Phys.Rev. C36, 2170 (1987) E.D.Cooper, B.C.Clark, R.Kozack, S.Shim, S.Hama, J.I.Johansson, H.S.Sherif, R.L.Mercer, B.D.Serot Global Optical Potentials for Elastic p + 40Ca Scattering using the Dirac Equation NUCLEAR REACTIONS 40Ca(p, p), (polarized p, p), E=400 MeV; calculated σ(θ), analyzing power, spin rotation function vs θ; deduced global model parameters. Relativistic optical model.
doi: 10.1103/PhysRevC.36.2170
1986MC05 Phys.Rev. C33, 1624 (1986) R.H.McCamis, T.N.Nasr, J.Birchall, N.E.Davison, W.T.H.van Oers, P.J.T.Verheijen, R.F.Carlson, A.J.Cox, B.C.Clark, E.D.Cooper, S.Hama, R.L.Mercer Elastic Scattering of Protons from 40,42,44,48Ca from 20 to 50 MeV and Nuclear Matter Radii NUCLEAR REACTIONS 40,42,44,48Ca(p, p), E=21-48.4 MeV; measured σ(θ); deduced nuclear matter radii. Standard and Dirac optical model analyses.
doi: 10.1103/PhysRevC.33.1624
1986RA05 Phys.Rev.Lett. 56, 2465 (1986) L.Ray, G.W.Hoffmann, M.L.Barlett, J.J.Jarmer, B.C.Clark, R.E.Kozack, R.L.Mercer, G.R.Burleson, S.Hama Sensitivity of p(pol) + A(pol) Elastic Spin Observables to Relativistic Aspects of Nuclear Structure NUCLEAR REACTIONS 13C(polarized p, p), E=500 MeV; calculated σ(θ), polarization, other parameters vs θ; deduced relativistic effects role.
doi: 10.1103/PhysRevLett.56.2465
1985CL01 Phys.Rev. C31, 694 (1985); Erratum Phys.Rev. C31, 1975 (1985) B.C.Clark, S.Hama, S.G.Kalbermann, E.D.Cooper, R.L.Mercer Equivalent Local Dirac Potentials NUCLEAR REACTIONS 40Ca(p, p), E=200, 497.5 MeV; calculated potential parameters, σ(θ). Dirac equation, equivalent Lorentz scalar, four-vector, tensor potentials.
doi: 10.1103/PhysRevC.31.694
1985CL03 Phys.Rev.Lett. 55, 592 (1985) B.C.Clark, S.Hama, G.R.Kalbermann, R.L.Mercer, L.Ray Relativistic Impulse Approximation for Meson-Nucleus Scattering in the Kemmer-Duffin-Petiau Formalism NUCLEAR REACTIONS 40Ca(K+, K+), (π+, π+), E at 800 MeV/c; calculated meson-nucleus potentials, σ(θ). Relativistic impulse approximation.
doi: 10.1103/PhysRevLett.55.592
1984CL05 Phys.Rev. C30, 314 (1984) B.C.Clark, S.Hama, E.Sugarbaker, M.A.Franey, R.L.Mercer, L.Ray, G.W.Hoffmann, B.D.Serot Relativistic Description of (p, n) Reactions to the Isobaric Analog State NUCLEAR REACTIONS 90Zr(polarized p, p), (polarized p, n), E=160, 500 MeV; calculated σ(θ), analyzing power vs θ, spin rotation function vs θ; deduced proton-nucleus optical potential parameters. Lane model, relativistic generalization.
doi: 10.1103/PhysRevC.30.314
1984CL11 Phys.Rev.Lett. 53, 1423 (1984) B.C.Clark, S.Hama, J.A.McNeil, R.L.Mercer, L.Ray, B.D.Serot, D.A.Sparrow, K.Stricker-Bauer Relative Impulse-Approximation Calculation of p(bar)-Nucleus Elastic Scattering NUCLEAR REACTIONS 12C(p-bar, p-bar), (polarized p-bar, p-bar), E=46.8 MeV; calculated σ(θ), analyzing power, spin rotation parameter vs θ. Relativistic impulse approximation.
doi: 10.1103/PhysRevLett.53.1423
1983CL04 Phys.Rev.Lett. 50, 1644 (1983) B.C.Clark, S.Hama, R.L.Mercer, L.Ray, B.D.Serot Dirac-Equation Impulse Approximation for Intermediate-Energy Nucleon-Nucleus Scattering NUCLEAR REACTIONS 40Ca, 208Pb(polarized p, p), E=497, 800 MeV; calculated σ(θ), analyzing power, spin rotation parameter vs θ.
doi: 10.1103/PhysRevLett.50.1644
1983CL05 Phys.Rev. C28, 1421 (1983) B.C.Clark, S.Hama, R.L.Mercer, L.Ray, G.W.Hoffmann, B.D.Serot Energy Dependence of the Relativistic Impulse Approximation for Proton-Nucleus Elastic Scattering NUCLEAR REACTIONS 40Ca(p, p), (polarized p, p), E=181-1040 MeV; calculated σ(θ), analyzing power, spin rotation power vs θ. Relativistic, nonrelativistic impulse approximation.
doi: 10.1103/PhysRevC.28.1421
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