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Search: Author = R.L.Mercer

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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
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC0434.


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC0677.


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


1988HO05      Phys.Rev. C37, 1307 (1988)

G.W.Hoffmann, M.L.Barlett, G.Pauletta, L.Ray, J.F.Amann, K.Jones, J.B.McClelland, R.W.Fergerson, M.M.Gazzaly, B.C.Clark, R.L.Mercer

Large Angle p(pol) + 40Ca Elastic Scattering at 497.5 MeV

NUCLEAR REACTIONS 40Ca(polarized p, p), E=497.5 MeV; measured σ(θ), analyzing power. Relativistic, nonrelativistic scattering models.

doi: 10.1103/PhysRevC.37.1307
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC0678.


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC0069.


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


1983CL03      Phys.Lett. 122B, 211 (1983)

B.C.Clark, R.L.Mercer, P.Schwandt

Prediction of the Spin-Rotation Function Q(θ) using a Dirac Equation based Optical Model

NUCLEAR REACTIONS 40Ca(polarized p, p), E=497 MeV; analyzed σ(θ), polarization data. Dirac equation optical model treatment.

doi: 10.1016/0370-2693(83)90686-X
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


1981AR01      Phys.Rev. C23, 15 (1981)

L.G.Arnold, B.C.Clark, R.L.Mercer

Coulomb Correction for 40Ca from a Relativistic Optical Model

NUCLEAR REACTIONS 40Ca(p, p), E=26.3 MeV; 40Ca(n, n), E=26 MeV; calculated σ(θ), polarization vs θ. Relativistic optical potential, Coulomb corrections.

doi: 10.1103/PhysRevC.23.15
Citations: PlumX Metrics


1981AR07      Phys.Rev. C23, 1949 (1981)

L.G.Arnold, B.C.Clark, R.L.Mercer, P.Schwandt

Dirac Optical Model Analysis of p(pol) - 40Ca Elastic Scattering at 180 MeV and the Wine-Bottle-Bottom Shape

NUCLEAR REACTIONS 40Ca(polarized p, p), E=181 MeV; calculated σ(θ), A(θ); deduced effective optical potential. Dirac equation, optical model.

doi: 10.1103/PhysRevC.23.1949
Citations: PlumX Metrics


1980AR08      Phys.Rev. C21, 1899 (1980)

L.G.Arnold, B.C.Clark, R.L.Mercer

Diffraction Structure in Back Angle p-4He Elastic Scattering

NUCLEAR REACTIONS 4He(p, p), E=788 MeV; calculated σ(θ), A(θ), spin-rotation function vs (θ). Relativistic optical, Majorana exchange potentials.

doi: 10.1103/PhysRevC.21.1899
Citations: PlumX Metrics


1979AR02      Phys.Rev. C19, 917 (1979)

L.G.Arnold, B.C.Clark, R.L.Mercer

Relativistic Optical Model Analysis of Medium Energy p-4He Elastic Scattering Experiments

NUCLEAR REACTIONS 4He(polarized p, p), E=561-1730 MeV; calculated σ(θ), A(θ). Relativistic optical model.

doi: 10.1103/PhysRevC.19.917
Citations: PlumX Metrics


1978CA18      Phys.Rev. C18, 1388 (1978)

L.S.Cardman, D.H.Dowell, R.L.Gulbranson, D.G.Ravenhall, R.L.Mercer

Coupled-Channel Analysis of High-Energy Electron Scattering by 152Sm and 166Er

NUCLEAR REACTIONS 152Sm, 166Er(e, e), (e, e'); calculated dispersive effects on σ. Coupled channels calculations.

doi: 10.1103/PhysRevC.18.1388
Citations: PlumX Metrics


1978ME04      Phys.Lett. 73B, 9 (1978)

R.L.Mercer, L.G.Arnold, B.C.Clark

Phenomenological Optical Model for p-4He Elastic Scattering

NUCLEAR REACTIONS 4He(p, p), E=560-1730 MeV; calculated σ(E). Optical model analysis.

doi: 10.1016/0370-2693(78)90158-2
Citations: PlumX Metrics


1977AR01      Lett.Nuovo Cim. 18, 151 (1977)

L.G.Arnold, B.C.Clark, R.L.Mercer

Energy Dependence of the p-4He Optical Model from Intermediate-Energy Elastic-Scattering Experiments

NUCLEAR REACTIONS 4He(p, p), E > 500 MeV; analyzed data. Optical model.

doi: 10.1007/BF02782051
Citations: PlumX Metrics


1977ME09      Phys.Rev. C15, 1786 (1977)

R.L.Mercer

Coupled-Channel Method for Nuclear Scattering of Dirac Particles: High-Energy Electrons on Calcium

NUCLEAR REACTIONS 40,44Ca(e, e'), E=250, 50 MeV; calculated dispersion effects. Coupled channel calculations.

doi: 10.1103/PhysRevC.15.1786
Citations: PlumX Metrics


1976AR12      Phys.Rev. C14, 1878 (1976)

L.G.Arnold, B.C.Clark, R.L.Mercer, D.G.Ravenhall, A.M.Saperstein

Optical-Model Partial-Wave Analyses of p-4He Elastic Scattering

NUCLEAR REACTIONS 4He(p, p), E=600, 1000, 1050 MeV; calculated σ(θ); deduced optical-model parameters.

doi: 10.1103/PhysRevC.14.1878
Citations: PlumX Metrics


1976RA10      Phys.Rev. C13, 2324 (1976)

D.G.Ravenhall, R.L.Mercer

Electron Scattering from Oriented Holmium

NUCLEAR REACTIONS 165Ho(e, e'), E ≈ 200 MeV; calculated σ(θ). Oriented nuclei. DWBA.

doi: 10.1103/PhysRevC.13.2324
Citations: PlumX Metrics


1974ME30      Phys.Rev. C10, 2002 (1974)

R.L.Mercer, D.G.Ravenhall

Coupled-Channel Calculations of Electron Scattering by Samarium

NUCLEAR REACTIONS 152Sm(e, e'), E=105 MeV; 154Sm(e, e'), E=250 MeV; calculated σ(θ); deduced dispersive effects on σ.

doi: 10.1103/PhysRevC.10.2002
Citations: PlumX Metrics


1973CL01      Phys.Rev. C7, 466 (1973)

B.C.Clark, R.L.Mercer, D.G.Ravenhall, A.M.Saperstein

Optical-Model Partial-Wave Analysis of 1-GeV Proton-Nucleus Elastic Scattering

NUCLEAR REACTIONS 4He, 12C, 16O(p, p), E=1.696 GeV/c; analyzed σ(θ). Optical-model, partial-wave analysis.

doi: 10.1103/PhysRevC.7.466
Citations: PlumX Metrics


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