NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = H.S.Sherif Found 50 matches. 2007HE29 Phys.Rev. C 76, 055207 (2007) Inclusive photoproduction of η mesons on nuclei and the in-medium properties of the S11 resonance NUCLEAR REACTIONS 12C, 27Al, 63Cu(γ, n), E=740, 980 MeV; calculated effect of S11(1535) resonance on reaction cross section. Comparison with experimental values.
doi: 10.1103/PhysRevC.76.055207
2004HE17 Nucl.Phys. A740, 309 (2004) New calculations for incoherent eta photoproduction on nuclei including nonlocal and medium effects NUCLEAR REACTIONS 12C(γ, X), E=650-1000 MeV; calculated η-meson production σ, σ(E, θ), resonance contributions, nonlocal and medium effects.
doi: 10.1016/j.nuclphysa.2004.05.011
2003HE18 Phys.Rev. C 68, 045205 (2003) M.Hedayati-Poor, S.Bayegan, H.S.Sherif Nonlocality and medium effects in the exclusive photoproduction of η mesons on nuclei NUCLEAR REACTIONS 12C(γ, pX)11B, E=750 MeV; 40Ca(γ, pX)39K, E=750 MeV; calculated η meson production σ(E, θ); deduced medium and nonlocal effects, resonance contribution. Relativistic model.
doi: 10.1103/PhysRevC.68.045205
2001BL13 Nucl.Phys. A694, 337 (2001); Erratum Nucl.Phys. A732, 220 (2004) Relativistic Calculations for Incoherent Photoproduction of η Mesons NUCLEAR REACTIONS 12C(γ, X), E=550-1000 MeV; calculated incoherent η-meson production σ(θ), σ. Relativistic model.
doi: 10.1016/S0375-9474(01)00989-7
2001ES07 Phys.Rev. C64, 065801 (2001) J.Escher, B.K.Jennings, H.S.Sherif Spectroscopic Amplitudes and Microscopic Substructure Effects in Nucleon Capture Reactions
doi: 10.1103/PhysRevC.64.065801
2001LO28 Can.J.Phys. 79, 1223 (2001) On the Calculation of Charge-Exchange Effects in a Relativistic Model for (γ, n) Reactions NUCLEAR REACTIONS 16O(γ, n), E=60, 150 MeV; calculated σ(θ), charge-exchange contribution. Relativistic model, two-step process, comparison with data.
doi: 10.1139/p01-069
2000JO04 Nucl.Phys. A665, 403 (2000) J.I.Johansson, H.S.Sherif, F.Ghoddoussi Orthogonality Effects in Relativistic Models of Nucleon Knockout Reactions NUCLEAR REACTIONS 16O(γ, p), E=100, 196 MeV; 40Ca(γ, p), E=100, 300 MeV calculated overlap coefficients, σ(θ), polarisation, photon asymmetry. 16O(e, e'p), E=456 MeV; 40Ca(e, e'p), E=460 MeV; calculated momentum distribution, polarisation. Comparison with data.
doi: 10.1016/S0375-9474(99)00434-0
1999JO06 Phys.Rev. C59, 3481 (1999) Relativistic Calculations of Induced Polarization in 12C(e, e'p(pol)) Reactions NUCLEAR REACTIONS 12C(e, e'p), E=579 MeV; calculated induced proton polarization vs missing momentum. Comparison of relativistic, nonrelativistic calculations.
doi: 10.1103/PhysRevC.59.3481
1998HE18 Phys.Rev. C58, 326 (1998) Inclusive Photoproduction of η Mesons on Complex Nuclei NUCLEAR REACTIONS 12C, 40Ca(γ, X), E=600-800 MeV; calculated η production σ(E), σ(θ). Relativistic model. Comparison with data.
doi: 10.1103/PhysRevC.58.326
1997HE14 Phys.Rev. C56, 1557 (1997) Relativistic Calculations for the Exclusive Photoproduction of η Mesons from Complex Nuclei NUCLEAR REACTIONS 12C, 16O, 40Ca(γ, pX), E=750 MeV; calculated η production associated σ(θ, E(η)), photon asymmetry vs E(η); deduced S11(1535) resonance role. Relativistic calculations, several potentials compared.
doi: 10.1103/PhysRevC.56.1557
1997JO07 Phys.Rev. C56, 328 (1997) Importance of the Direct Knockout Mechanism in Relativistic Calculations (γ, p) Reactions NUCLEAR REACTIONS 12C(γ, p), E=45-51 MeV; 12C, 11B(p, γ), E=98, 176 MeV; 10B(γ, p), E=58, 73 MeV; 16O(γ, p), E=60-361 MeV; 208Pb(γ, p), E=45, 54 MeV; analyzed σ(θ). 10B(e, e'p), E not given; analyzed momentum distribution vs missing momentum. 16O(γ, p), E=60-361 MeV; analyzed reduced σ vs missing momentum. Several models compared, relativistic calculations, direct knockout mechanism.
doi: 10.1103/PhysRevC.56.328
1996JO15 Nucl.Phys. A605, 517 (1996) J.I.Johansson, H.S.Sherif, G.M.Lotz Relativistic Calculations for Photonuclear Reactions (III): A consistent relativistic analysis of the (e, e'p) and (γ, p) reactions NUCLEAR REACTIONS 12C(e, e'p), E=481 MeV; 16O(e, e'p), E=456 MeV; 40Ca(e, e'p), E=460 MeV; 51V(e, e'p), E=461 MeV; calculated momentum distribution. 12C, 16O, 40Ca, 51V(γ, p), E=60 MeV; calculated σ(θp). Relativistic approach.
doi: 10.1016/0375-9474(96)00176-5
1995HE06 Phys.Rev. C51, 2044 (1995) M.Hedayati-Poor, J.I.Johansson, H.S.Sherif Nuclear Medium Effects in the Relativistic Treatment of Quasifree Electron Scattering NUCLEAR REACTIONS 16O(e, e'p), E=456, 2000 MeV; calculated spectral functions, proton polarization vs missing momentum. 90Zr(e, e'p), E=461 MeV; calculated asymmetry vs missing momentum.
doi: 10.1103/PhysRevC.51.2044
1995HE26 Nucl.Phys. A593, 377 (1995) M.Hedayati-Poor, J.I.Johansson, H.S.Sherif Relativistic Calculations for Photonuclear Reactions (II). Nonrelativistic Reductions and Nuclear Medium Effects NUCLEAR REACTIONS 16O(γ, p), E=312 MeV; calculated σ(θ), photon asymmetry. Relativistic amplitude to nonrelativistic form, effective Pauli reduction scheme.
doi: 10.1016/0375-9474(95)00329-Y
1995JO05 Nucl.Phys. A581, 429 (1995) A Relativistic Description of the Quasifree Radiative Pion-Capture Reaction on Nuclei NUCLEAR REACTIONS 16O(π+, p), E=163.7 MeV; calculated σ(θp, θγ, Eγ), proton polarization. Relativistic model.
doi: 10.1016/0375-9474(94)00449-W
1994HE20 Phys.Lett. 326B, 9 (1994) Comparison of Relativistic and Non-Relativistic Amplitudes for Photonuclear Reactions NUCLEAR REACTIONS 16O(γ, p), E=60, 196 MeV; calculated σ(θ), photon asymmetry vs θ; deduced medium modifications role. Effective two-component Pauli reduction of relativistic DWBA amplitude.
doi: 10.1016/0370-2693(94)91184-3
1994JO05 Nucl.Phys. A575, 477 (1994) A Relativistic Model for Quasifree Negative-Pion Photoproduction on Nuclei NUCLEAR REACTIONS 12C(γ, pπ-), E ≤ 380 MeV; calculated σ(θ(π), θp, Ep), proton polarization, asymmetry. 16O(γ, pπ-), E=350 MeV; calculated σ(θ(π), θp, Ep). Relativistic model.
doi: 10.1016/0375-9474(94)90373-5
1992LO01 Nucl.Phys. A537, 285 (1992) Relativistic Calculations for Photonuclear Reactions (I). The Direct Knockout Mechanism NUCLEAR REACTIONS 16O(γ, p), E=196, 312 MeV; 40Ca(γ, p), E ≈ 100-300 MeV; calculated σ(θ). 12C(polarized p, γ), E=40 MeV; calculated σ(θ), analyzed power vs θ. Relativistic approach.
doi: 10.1016/0375-9474(92)90357-P
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
1990LO20 J.Phys.(Paris), Colloq.C-6, 495 (1990) Polarization Effects in a Dirac Equation Approach to Photonuclear Reactions NUCLEAR REACTIONS 15N(polarized p, γ), E=49.7 MeV; 12C(polarized p, γ), E=40 MeV; 3H(polarized p, γ), E=300 MeV; calculated analyzing power vs θ. Dirac approach.
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
1989RA03 Phys.Lett. 218B, 403 (1989) J.Raynal, H.S.Sherif, A.M.Kobos, E.D.Cooper, J.I.Johansson Dirac Coupled Channel Calculations and Nucleon Scattering at Large Momentum Transfer NUCLEAR REACTIONS 40Ca(polarized p, p), E=800 MeV; calculated σ(θ), analyzing power vs θ. Dirac coupled-channels method.
doi: 10.1016/0370-2693(89)91435-4
1988HU10 Nucl.Phys. A483, 429 (1988) D.A.Hutcheon, W.C.Olsen, H.S.Sherif, R.Dymarz, J.M.Cameron, J.Johansson, P.Kitching, P.R.Liljestrand, W.J.McDonald, C.A.Miller, G.C.Neilson, D.M.Sheppard, D.K.McDaniels, J.R.Tinsley, P.Schwandt, L.W.Swenson, C.E.Stronach The Elastic Scattering of Intermediate Energy Protons from 40Ca and 208Pb NUCLEAR REACTIONS 40Ca, 208Pb(polarized p, p), E=200, 300, 400, 500 MeV; measured σ(E, θ), A(E, θ). Natural Ca, enriched 208Pb targets. Relativistic, non-relativistic phenomenological, microscopic model analysis.
doi: 10.1016/0375-9474(88)90078-4
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
1988JO02 Nucl.Phys. A476, 663 (1988) J.I.Johansson, E.D.Cooper, H.S.Sherif Relativistic DWBA Calculations for Proton Inelastic Scattering NUCLEAR REACTIONS, MECPD 48,40Ca(polarized p, p), (polarized p, p'), E=362, 500 MeV; 20Ne, 90Zr(polarized p, p), (polarized p, p'), E=800 MeV; calculated σ(θ), A(θ), polarization transfer. Relativistic DWBA. 48,40Ca, 90Zr levels deduced deformation lengths.
doi: 10.1016/0375-9474(88)90329-6
1988LO07 Phys.Lett. 210B, 45 (1988) Relativistic DWBA Calculations for Medium Energy Photonuclear Reactions NUCLEAR REACTIONS 16O(γ, p), E ≈ 50-350 MeV; 40Ca(γ, p), E=176.2 MeV; calculated σ(θ). Relativistic DWBA.
doi: 10.1016/0370-2693(88)90346-2
1987AB13 Phys.Rev. C36, 1900 (1987) Exchange Effects and Large Angle Proton Scattering on Light Nuclei at Intermediate Energies: p + 3He scattering NUCLEAR REACTIONS 3He(p, p), E=150-600 MeV; 3He(polarized p, p), E=300, 575 MeV; analyzed σ(θ), A(θ); deduced exchange effect role. Dirac optical potentials, DWBA.
doi: 10.1103/PhysRevC.36.1900
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
1986SH06 Nucl.Phys. A449, 709 (1986); Erratum Nucl.Phys. A477, 723 (1988) H.S.Sherif, R.I.Sawafta, E.D.Cooper Proton Inelastic Scattering at Intermediate Energies and Dirac-Equation-Based Optical Potentials NUCLEAR REACTIONS 40Ca(p, p), (p, p'), E=181 MeV; calculated σ(θ). 32S, 24Mg(p, p'), E=155 MeV; calculated σ(θ), polarization vs θ. 40Ca(p, p'), E=300 MeV; deduced potential parameters. 24Mg, 32S, 40Ca levels deduced deformation parameter, deformation length.
doi: 10.1016/0375-9474(86)90329-5
1985KO37 Nucl.Phys. A445, 605 (1985) A.M.Kobos, E.D.Cooper, J.I.Johansson, H.S.Sherif Phenomenological Study of Relativistic Optical Model Potentials in Proton Elastic Scattering NUCLEAR REACTIONS 4He, 16O, 40Ca, 90Zr, 208Pb(polarized p, p), E=160-800 MeV; calculated σ(θ), analyzing power vs θ. Relativistic optical model.
doi: 10.1016/0375-9474(85)90562-7
1985KW01 Phys.Rev. C31, 271 (1985) S.P.Kwan, S.T.Lam, G.C.Neilson, H.S.Sherif Isospin Dependence in the Central Real Part of the Optical Model Potential NUCLEAR STRUCTURE A=12-208; analyzed nucleon elastic scattering data; deduced potential isospin dependent term behavior. Empirical optical models.
doi: 10.1103/PhysRevC.31.271
1985LA13 Phys.Rev. C32, 76 (1985) S.T.Lam, W.K.Dawson, S.A.Elbakr, H.W.Fielding, P.W.Green, R.L.Helmer, I.J.van Heerden, A.H.Hussein, S.P.Kwan, G.C.Neilson, T.Otsubo, D.M.Sheppard, H.S.Sherif, J.Soukup Elastic Scattering of Polarized Neutrons on 16O, 59Co, and Pb at 23 MeV NUCLEAR REACTIONS 16O, 59Co, Pb(polarized n, n), E=23 MeV; measured σ(θ), A(θ). Optical model potential analysis.
doi: 10.1103/PhysRevC.32.76
1985RO15 Nucl.Phys. A442, 686 (1985) G.Roy, H.S.Sherif, E.D.Cooper, L.G.Greeniaus, G.A.Moss, J.Soukup, G.M.Stinson, R.Abegg, D.P.Gurd, D.A.Hutcheon, R.Liljestrand, C.A.Miller Deformation and Target Spin-Dependent Effects in 9Be + p(pol) at 220 MeV NUCLEAR REACTIONS 9Be(polarized p, p), (polarized p, p'), E=220 MeV; measured σ(θ), analyzing power vs θ, depolarization parameter vs θ for elastic channel. Optical mode, DWBA, coupled channels, spin-spin interaction model analyses. Polarized beam.
doi: 10.1016/0375-9474(85)90372-0
1985SH14 Phys.Lett. 158B, 193 (1985) H.S.Sherif, E.D.Cooper, R.I.Sawafta Relativistic DWBA Calculations for Polarization Transfer in Proton Inelastic Scattering NUCLEAR REACTIONS 40Ca, 208Pb(polarized p, p), E=497 MeV; calculated polarization transfer coefficient vs θ. DWBA, Dirac phenomenology.
doi: 10.1016/0370-2693(85)90952-9
1984CO11 Phys.Rev. C30, 232 (1984) Parameter Sensitivities in the Relativistic Distorted-Wave Born Approximation Model for the (p, π+) Reaction NUCLEAR REACTIONS 40Ca(p, π+), (polarized p, π+), E=160 MeV; calculated σ(θ), analyzing power vs θ; deduced parameter sensitivity. Relativistic DWBA.
doi: 10.1103/PhysRevC.30.232
1983SH12 Phys.Rev. C27, 2759 (1983) H.S.Sherif, M.S.Abdelmonem, R.S.Sloboda Exchange Effects and Large Angle Proton Scattering on Light Nuclei at Intermediate Energies: Formalism and application to p + 4He scattering NUCLEAR REACTIONS 4He(p, p), E=0.1-1.2 GeV; calculated σ(θ), polarization; deduced optical model parameters. Modified DWBA, exchange effects, heavy particle stripping, different 4He overlap wave functions.
doi: 10.1103/PhysRevC.27.2759
1982AR01 Phys.Rev. C25, 936 (1982) L.G.Arnold, B.C.Clark, E.D.Cooper, H.S.Sherif, D.A.Hutcheon, P.Kitching, J.M.Cameron, R.P.Liljestrand, R.N.MacDonald, W.J.McDonald, C.A.Miller, G.C.Neilson, W.C.Olsen, D.M.Sheppard, G.M.Stinson, D.K.McDaniels, J.R.Tinsley, R.L.Mercer, L.W.Swenson, P.Schwandt, C.E.Stronach Energy Dependence of the p - 40Ca Optical Potential: A Dirac equation perspective NUCLEAR REACTIONS 40Ca(polarized p, p), E=26-1040 MeV; analyzed data; deduced optical potential energy dependence. Dirac equation.
doi: 10.1103/PhysRevC.25.936
1982CO07 Phys.Rev. C25, 3024 (1982) Distortion Effects in a Relativistic One-Nucleon Model for the (p, π+) Reaction NUCLEAR REACTIONS 40Ca(polarized p, p), E=181 MeV; 40Ca(polarized p, π+), E=185 MeV; 16O(polarized p, π+), E=157 MeV; 12C(polarized p, π+), E=159, 200 MeV; caculated σ(θ), A(θ); 40Ca(polarized p, π+), E=148, 160, 185 MeV; 16O(polarized p, π+), E=185, 165, 157, 154 MeV; calculated σ(θ). DWBA, Dirac equation, different pion-nucleon verticies.
doi: 10.1103/PhysRevC.25.3024
1981CO18 Phys.Rev.Lett. 47, 818 (1981) Pion Production, Nuclear Dirac Phenomenology, and the πNN Vertex NUCLEAR REACTIONS 40Ca(p, π+), E=160 MeV; calculated σ(θ); 16O(polarized p, π+), E=160 MeV; calculated analyzing power vs θ.
doi: 10.1103/PhysRevLett.47.818
1981HU04 Phys.Rev.Lett. 47, 315 (1981) D.A.Hutcheon, J.M.Cameron, R.P.Liljestrand, P.Kitching, C.A.Miller, W.J.McDonald, D.M.Sheppard, W.C.Olsen, G.C.Neilson, H.S.Sherif, D.K.McDaniels, J.R.Tinsley, L.W.Swenson, P.Schwandt, C.E.Stronach, L.Ray Elastic Scattering of 400-MeV Protons by 208Pb NUCLEAR REACTIONS 208Pb(polarized p, p), E=400 MeV; measured σ(θ), A(θ). Second-order Kerman-McManus-Thaler optical model analysis.
doi: 10.1103/PhysRevLett.47.315
1981SH04 Phys.Lett. 99B, 369 (1981) Heavy Particle Stripping and Large Angle p + 4He Scattering NUCLEAR REACTIONS 4He(p, p), E=147, 156 MeV; calculated σ(θ), polarization vs θ. DWBA, optical, heavy particle stripping amplitudes.
doi: 10.1016/0370-2693(81)90550-5
1981SH07 Phys.Rev. C23, 2361 (1981) Role of Heavy Particle Stripping in 3He + 4He Elastic Scattering NUCLEAR REACTIONS 4He(3He, 3He), E(cm)=60.2, 113.1 MeV; calculated σ(θ); deduced heavy particle stripping contribution. Optical model, modified DWBA amplitude.
doi: 10.1103/PhysRevC.23.2361
1979SH06 Phys.Rev. C19, 1649 (1979) Low-Energy p + 3He Elastic Scattering and the Optical Potential NUCLEAR REACTIONS 3He(p, p), E=6.8-16.2 MeV; calculated σ(θ), P(θ), polarization transfer. Optical model.
doi: 10.1103/PhysRevC.19.1649
1979SH07 Phys.Lett. 83B, 293 (1979) H.S.Sherif, S.W.Leung, A.W.Thomas, G.Brookfield The (p, nπ+) Reaction and the NNπ Vertex NUCLEAR REACTIONS 4He, 40Ca(p, nπ+), E=500 MeV; calculated σ. Two-nucleon model; deduced sensitivity to NNπ vertex function.
doi: 10.1016/0370-2693(79)91110-9
1978LE23 Can.J.Phys. 56, 1116 (1978) Optical Model Analysis of p + 4He Elastic Scattering at Intermediate Energies NUCLEAR REACTIONS 4He(p, p), E=100-1150 MeV; calculated σ(θ), polarization; deduced optical model parameters.
1975BL10 Phys.Lett. 60B, 25 (1975) J.S.Blair, M.P.Baker, H.S.Sherif Quadrupole Spin-Flip in Elastic Scattering of Nucleons NUCLEAR REACTIONS 9Be, 10B, 27Al(X, X'); calculated depolarization.
doi: 10.1016/0370-2693(75)90517-1
1975KI02 Phys.Rev. C11, 420 (1975) P.Kitching, W.C.Olsen, H.S.Sherif, W.Dollhopf, C.Lunke, C.F.Perdrisat, J.R.Priest, W.K.Roberts (p, pd) Reaction on 6Li at 590 MeV for High Recoil Momenta NUCLEAR REACTIONS 6Li(p, pd), E=590 MeV; measured σ; deduced momentum distribution, αd-clustering.
doi: 10.1103/PhysRevC.11.420
1973BR20 Phys.Rev. C8, 881 (1973) K.H.Bray, J.M.Cameron, H.W.Fearing, D.R.Gill, H.S.Sherif Isospin Mixing of States in 6Li NUCLEAR REACTIONS 7Li(3He, α), (3He, αd), E=1.45 MeV; measured αd-coin. 6Li levels deduced d-branching, isospin mixing.
doi: 10.1103/PhysRevC.8.881
1973HU05 Phys.Rev. C8, 518 (1973) Spin-Spin Term of the Nucleon-Nucleus Optical Potential NUCLEAR STRUCTURE 9Be, 10B, 27Al, 59Co, 209Bi; calculated form factors, effects of a spin-spin interaction.
doi: 10.1103/PhysRevC.8.518
1972SH35 Phys.Lett. 41B, 465 (1972) Depolarization and the Tensor Part of the Spin-Spin Term of the Optical Potential
doi: 10.1016/0370-2693(72)90676-4
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