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Search: Author = S.Cotanch

Found 48 matches.

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2010CO14      Nucl.Phys. A842, 48 (2010)


Coupled channels optical theorem and non-elastic cross section sum rule

doi: 10.1016/j.nuclphysa.2010.04.011
Citations: PlumX Metrics

2007CO08      Eur.Phys.J. A 31, 656 (2007)

S.R.Cotanch, I.J.General, P.Wang

QCD Coulomb gauge approach to exotic hadrons

doi: 10.1140/epja/i2006-10234-2
Citations: PlumX Metrics

2005CO04      Eur.Phys.J. A 24, Supplement 2, 101 (2005)


Time-like Compton scattering and the Bethe-Heitler process

NUCLEAR REACTIONS 1H(γ, γ'), (γ, ee+), E=4 GeV; calculated σ(θ), electric form factor for time-like virtual Compton scattering. Role of Bethe-Heitler process discussed.

doi: 10.1140/epjad/s2005-04-022-2
Citations: PlumX Metrics

2005SC24      Nucl.Phys. A762, 82 (2005)

T.Schafer, C.-W.Kao, S.R.Cotanch

Many body methods and effective field theory

doi: 10.1016/j.nuclphysa.2005.08.006
Citations: PlumX Metrics

2004CO24      Phys.Rev. C 70, 055201 (2004)

S.R.Cotanch, R.A.Williams

Glueball enhancements in p(γ, VV)p through vector meson dominance

NUCLEAR REACTIONS 1H(γ, X), E=5.8 GeV; calculated double vector meson production σ(θ), invariant mass spectra, sensitivity to glueball width. 1H(γ, X), E=3-10 GeV; calculated double vector meson production σ. Vector meson dominance and Regge theory.

doi: 10.1103/PhysRevC.70.055201
Citations: PlumX Metrics

2004GE09      Phys.Rev. C 69, 035202 (2004)

I.J.General, S.R.Cotanch

Goldberger-Treiman constraint criterion for hyperon coupling constants

doi: 10.1103/PhysRevC.69.035202
Citations: PlumX Metrics

2004LL02      Phys.Rev. C 70, 035202 (2004)

F.J.Llanes-Estrada, S.R.Cotanch, A.P.Szczepaniak, E.S.Swanson

Hyperfine meson splittings: chiral symmetry versus transverse gluon exchange

doi: 10.1103/PhysRevC.70.035202
Citations: PlumX Metrics

2002CO24      Phys.Lett. 549B, 85 (2002)

S.R.Cotanch, R.A.Williams

Probing Proton Strangeness with Time-Like Virtual Compton Scattering

NUCLEAR REACTIONS 1H(γ, e+e-), E=high; calculated σ(θ), φ-meson contribution, strangeness effects, related features.

doi: 10.1016/S0370-2693(02)02869-1
Citations: PlumX Metrics

2002LL01      Nucl.Phys. A697, 303 (2002)

F.J.Llanes-Estrada, S.R.Cotanch

Relativistic Many-Body Hamiltonian Approach to Mesons

doi: 10.1016/S0375-9474(01)01237-4
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2002LL02      Nucl.Phys. A710, 45 (2002)

F.J.Llanes-Estrada, S.R.Cotanch, P.J.de A.Bicudo, J.E.F.T.Ribeiro, A.Szczepaniak

QCD glueball Regge trajectory and the pomeron

doi: 10.1016/S0375-9474(02)01090-4
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2001CO16      Nucl.Phys. A689, 481c (2001)

S.R.Cotanch, F.J.Llanes-Estrada

Relativistic Many-Body Approach to Exotic and Charmed Hybrid Mesons

doi: 10.1016/S0375-9474(01)00886-7
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1999CO29      Fizika(Zagreb) B8, 387 (1999)


Hyperon and Glueball Electromagnetic Production

NUCLEAR REACTIONS 1,2H(e, e'K+), E=high; analyzed σ(Q2). Comparison with model predictions.

1998CO07      Nucl.Phys. A631, 478c (1998)

S.R.Cotanch, R.A.Williams

Probing Nucleon Strangeness using Vector Meson Dominance

doi: 10.1016/S0375-9474(98)00051-7
Citations: PlumX Metrics

1998CO08      Nucl.Phys. A631, 640c (1998)

S.R.Cotanch, A.P.Szczepaniak, E.S.Swanson, C.-R.Ji

QCD Hamiltonian Approach for the Glueball Spectrum

doi: 10.1016/S0375-9474(98)00082-7
Citations: PlumX Metrics

1997BR19      Nucl.Phys. A621, 754 (1997)

T.B.Bright, B.Hoistad, R.Johansson, E.Traneus, S.R.Cotanch

Radiative Proton Capture to Discrete States in 13N at 98 and 176 MeV

NUCLEAR REACTIONS 12C(p, γ), E=98, 176 MeV; measured σ(θ); deduced reaction mechanism. High resolution magnetic pair spectrometer. Microscopic continuum shell model.

doi: 10.1016/S0375-9474(97)00185-1
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1872.

1996BR20      Nucl.Phys. A603, 1 (1996)

T.B.Bright, B.Hoistad, R.Johansson, E.Traneus, S.R.Cotanch

Radiative Proton Capture to Discrete State in 12C at 98 and 176 MeV

NUCLEAR REACTIONS 11B(p, γ), E=98, 176 MeV; measured σ(θ); deduced reaction mechanism. High resolution magnetic pair spectrometer.

doi: 10.1016/0375-9474(96)00136-4
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1873.

1996WI17      Phys.Rev.Lett. 77, 1008 (1996)

R.A.Williams, S.R.Cotanch

Nucleon Strangeness Content through Vector Meson Dominance

NUCLEAR STRUCTURE 1H; calculated electric, magnetic form factor. Generalized VMD, with, without φ coupling.

NUCLEAR REACTIONS 1H(π-, γ), (π+, γ), E=3 GeV; calculated VMD crossing prediction.

doi: 10.1103/PhysRevLett.77.1008
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1995SZ06      Phys.Rev. C52, 2738 (1995)

A.Szczepaniak, C.-R.Ji, S.R.Cotanch

Nucleon Structure in a Relativistic Quark Model

NUCLEAR STRUCTURE 1H, 1n; calculated electric, magnetic form factors, structure function ratio. Relativistic quark model, comparison to baryons.

doi: 10.1103/PhysRevC.52.2738
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1993BR16      Phys.Rev.Lett. 71, 2563 (1993)

T.B.Bright, S.R.Cotanch

Simultaneous Microscopic Description of 16O(γ, n) and 16O(γ, p) Including Δ Degrees of Freedom

NUCLEAR REACTIONS 16O(γ, p), (γ, n), E=150-250 MeV; calculated σ(θ). Continuum shell model, coupled-channels framework, Δ degrees of freedom.

doi: 10.1103/PhysRevLett.71.2563
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1993CO12      Phys.Scr. 48, 217 (1993)

S.R.Cotanch, R.A.Williams, C.-R.Ji

Kaon Electromagnetic Production and Radiative Capture Near Hyperon Thresholds

NUCLEAR REACTIONS 1H(γ, X), E=1.25-2.5 GeV; calculated K+ electromagnetic production near hyperon thresholds. Real, virtual photons, covariant perturbation theory.

doi: 10.1088/0031-8949/48/2/019
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1993HO07      Nucl.Phys. A553, 543c (1993)

B.Hoistad, S.Isaksson, E.Nilsson, J.Thun, G.S.Adams, C.Landberg, T.B.Bright, S.R.Cotanch

Radiative Proton Capture and Exchange Currents in Light Nuclei

NUCLEAR REACTIONS 11B(p, γ), (p, e+e-), E=98 MeV; measured σ(θ, Eγ), σ(θ), pair production energy spectra, invariant mass distribution; deduced reaction mechanism.

doi: 10.1016/0375-9474(93)90657-J
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1993WI11      Phys.Rev. C48, 1318 (1993)

R.A.Williams, C.-R.Ji, S.R.Cotanch

Kinematically Accessible Vector Meson Resonance Enhancements in p(K-, e+e-) (Lambda), Σ0, (Lambda)(1405)

NUCLEAR REACTIONS 1H(K-, X), E not given; calculated two-body virtual photon radiative capture σ vs momentum transfer squared; deduced kinematically accessible vector meson resonance enhancements features, (K-, e+e-)Y, Y=lambda, Σ0 production.

doi: 10.1103/PhysRevC.48.1318
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1992HO04      Phys.Lett. 276B, 294 (1992)

B.Hoistad, E.Nilsson, J.Thun, S.Dahlgren, S.Isaksson, G.S.Adams, C.Landberg, T.B.Bright, S.R.Cotanch

Radiative Proton Capture to Individual States in 12C

NUCLEAR REACTIONS 11B(p, γ), E=98 MeV; measured σ(θ), radiative capture. Microscopic continuum shell model, realistic finite range effective interaction, tensor components.

doi: 10.1016/0370-2693(92)90321-T
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1992WI11      Phys.Rev. C46, 1617 (1992)

R.A.Williams, C.-R.Ji, S.R.Cotanch

Hyperon Electroproduction in a Crossing and Duality Constrained Model

NUCLEAR REACTIONS 1H(γ, K+X), E < 2.5 GeV; calculated σ(θ) vs E. Hyperon electroproduction, crossing, duality constrained model.

doi: 10.1103/PhysRevC.46.1617
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1991WI01      Phys.Rev. C43, 452 (1991)

R.A.Williams, C.-R.Ji, S.R.Cotanch

Crossing and Duality Consistent Study of Lambda, Σ0, and Lambda(1405) Production by Kaon Photoproduction and Radiative Capture

NUCLEAR REACTIONS 1H(γ, K+X), E=1.1-1.7 GeV; calculated σ(θ) vs E. 1H(K-, γX), E at 0.1-0.6 GeV/c; calculated σ(θ). Crossing, duality consistent model, Lambda, other particle production.

doi: 10.1103/PhysRevC.43.452
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1990CO39      J.Phys.(Paris), Colloq.C-6, 491 (1990)

S.R.Cotanch, R.A.Williams, C.-R.Ji

The Importance of Polarization in Kaon Photoproduction and Radiative Capture

NUCLEAR REACTIONS 1H(K-, γX), E at 0.1-0.6 GeV/c; 1H(γ, K+X), E ≈ 0.9-1.4 GeV; calculated σ(θ) for hyperon production.

1988JI03      Phys.Rev. C38, 2691 (1988)

C.-R.Ji, S.R.Cotanch

Crossing Constraints for Hyperon Reactions

NUCLEAR REACTIONS 1H(K-, K-), (K+, K+), (p-bar, K-), (γ, K+), E < 3 GeV/c; calculated σ(θ).

doi: 10.1103/PhysRevC.38.2691
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1985HS02      Phys.Lett. 163B, 300 (1985)

S.S.Hsiao, S.R.Cotanch

Deuteron Electrodisintegration with Kaon Production

NUCLEAR REACTIONS 2H(e, e'K+), E not given; calculated electrodisintegration kaon production σ. Relativistic frame work.

doi: 10.1016/0370-2693(85)90285-0
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1984LU03      Phys.Rev. C29, 1546 (1984)

L.D.Ludeking, S.R.Cotanch

Large Pauli-Blocking and Virtual Channel Effects in Proton Radiative Capture

NUCLEAR REACTIONS 11B(p, γ), E=0-14 MeV; calculated σ(θ) vs E for dipole capture; deduced Pauli blocking, virtual channels role. Continuum shell model, coupled-channels method.

doi: 10.1103/PhysRevC.29.1546
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1983HS01      Phys.Rev. C28, 1668 (1983)

S.S.Hsiao, S.R.Cotanch

Hypernuclear Excitation through Kaon Photoproduction

NUCLEAR REACTIONS 1H(γ, K+), E=1.2 GeV; 12C, 208Pb(γ, K+), E=1.2, 2 GeV; calculated kaon photoproduction σ; deduced hypernuclear electroproduction σ. Multiple scattering, plane wave impulse approximation.

doi: 10.1103/PhysRevC.28.1668
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1982LA03      Nucl.Phys. A373, 363 (1982)

J.M.Lafferty, Jr., S.R.Cotanch

Examination of Direct Radiative Capture Formalism

NUCLEAR REACTIONS 11B(p, γ), E=0-70 MeV; calculated σ(E) for E1, E2, M1 multipole capture. Direct reaction model.

doi: 10.1016/0375-9474(82)90540-1
Citations: PlumX Metrics

1981BY01      Nucl.Phys. A351, 189 (1981)

R.C.Byrd, C.E.Floyd, K.Murphy, P.P.Guss, R.L.Walter, S.R.Cotanch

Measurement and Lane-Model Analysis of Cross Sections for the 13C(p, n)13N and 15N(p, n)15O Reactions

NUCLEAR REACTIONS 13C(p, n), E=10.1-16.75 MeV; 15N(p, n), E=9.05-15.62 MeV; measured σ(Ep, θ). Lane Model analysis.

doi: 10.1016/0375-9474(81)90440-1
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetT0004.

1981CO02      Phys.Rev. C23, 807 (1981)


Neutron Densities from K+ Meson Scattering

NUCLEAR REACTIONS 40,48Ca(K+, K+), E=84, 250 MeV; calculated σ(θ). 40,48Ca deduced neutron density difference. First-order multiple scattering optical potential, impulse approximation, Hartee-Fock, empirical neutron densities.

doi: 10.1103/PhysRevC.23.807
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1980CO04      Phys.Rev. C21, 2115 (1980)


Interior Probing Capability in Kaon-Nucleus Inelastic Scattering

NUCLEAR REACTIONS 12C(K+, K+'), E=100, 300 MeV; calculated σ(θ, E). Collective model, particle-hole form factors.

doi: 10.1103/PhysRevC.21.2115
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1979BY01      Phys.Rev.Lett. 43, 260 (1979)

R.C.Byrd, R.L.Walter, S.R.Cotanch

Detailed Study of the Lane Potential: Multichannel and Polarization Constraints

NUCLEAR REACTIONS 9Be(p, p), (n, n), (p, n), E=10-16 MeV; calculated σ(θ), P(θ); deduced evidence for symmetry spin-orbit interaction. Lane-potential, multichannel constraints.

doi: 10.1103/PhysRevLett.43.260
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1979CO05      Phys.Rev. C19, 693 (1979)


Simple Unitary Estimate for Multistep Processes

NUCLEAR REACTIONS 40Ca(d, p), E=11 MeV; 208Pb(p, t), E=35 MeV; 48Ca(16O, 15C), E=56 MeV; calculated σ(θ). Phase averaging, unitary constraint model for n-dimensional S-matrix including multi-channel effects.

doi: 10.1103/PhysRevC.19.693
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1978CO14      Phys.Lett. 76B, 19 (1978)


Large Charge Exchange Corrections to Direct Photonuclear Processes

NUCLEAR REACTIONS 16O(γ, n), E=10-50 MeV; calculated σ(θ, E). Two-step charge exchange mechanism.

doi: 10.1016/0370-2693(78)90088-6
Citations: PlumX Metrics

1978CO17      Phys.Rev. C18, 1941 (1978)


Plane Waves for Kaon-Nucleus Reactions

NUCLEAR REACTIONS 16O(K+, K+'), E ≤ 400 MeV; calculated σ(E, θ).

doi: 10.1103/PhysRevC.18.1941
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1978CO19      Nucl.Phys. A308, 253 (1978)


Selective Excitation in Kaon-Nucleus Inelastic Scattering

NUCLEAR REACTIONS 16O(K+, K+'), E=threshold-400 MeV; calculated σ(E, θ), total σ(E).

doi: 10.1016/0375-9474(78)90550-X
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1978WE07      Phys.Rev. C18, 65 (1978)

H.R.Weller, N.R.Roberson, S.R.Cotanch

Polarized Proton Capture in the Giant Dipole Resonance Region

NUCLEAR REACTIONS 14C, 30Si, 54,56,58Fe, 59Co, 88Sr(polarized p, γ), E ≤ 14 MeV; measured σ(θ), A(θ) in region of GDR; deduced T-matrix amplitudes, phases.

doi: 10.1103/PhysRevC.18.65
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1977CO04      Phys.Rev. C15, 1379 (1977)

S.R.Cotanch, F.Tabakin

Kaon-Nucleus Inelastic Scattering

NUCLEAR REACTIONS 12C(K+, K+'), E < 300 MeV; calculated σ(E, θ).

doi: 10.1103/PhysRevC.15.1379
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1976CO01      Phys.Rev.Lett. 36, 21 (1976)

S.R.Cotanch, C.M.Vincent

Simple Approximation for Multistep Amplitudes

NUCLEAR REACTIONS 16O(d, d), E=10.49 MeV; 17O(p, p), E=10.98 MeV; calculated σ(θ).

doi: 10.1103/PhysRevLett.36.21
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1976CO29      Phys.Rev. C14, 1739 (1976)

S.R.Cotanch, C.M.Vincent

Channel Coupling and Nonorthogonality in Elastic and Transfer Processes

NUCLEAR REACTIONS 16O(d, d), (d, p), E=10.49, 14.8, 20 MeV; 17O(p, p), E=10.98 MeV; 90Zr(d, d), (d, p), E=12 MeV; 28Si(16O, 16O), (16O, 12C), E=42, 48 MeV; 32S(12C, 12C), E=41.71 MeV; calculated σ(θ). Folded-potential DWBA plus multistep contribution of rearranged intermediate channels, corrected for nonorthogonality. Surface approximation with separable Green function.

doi: 10.1103/PhysRevC.14.1739
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1975CO12      Phys.Lett. 57B, 123 (1975)


Coupled Channels Treatment of Transfer Reactions

NUCLEAR REACTIONS 16O(d, d), E=10.5 MeV; calculated σ(θ). 16O(d, p), E=10.5 MeV; calculated σ(Ep, θ). 17O(p, p), E=10.5 MeV; calculated σ(θ).

doi: 10.1016/0370-2693(75)90004-0
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1974KE06      Nucl.Phys. A222, 173 (1974)

K.W.Kemper, S.Cotanch, G.E.Moore, A.W.Obst, R.J.Puigh, R.L.White

Anomalous Results for the 9Be(α, t)10B and 13C(α, t)14N Reactions at E = 27 MeV

NUCLEAR REACTIONS 9Be, 13C(α, t), E=26-27.5 MeV; measured σ(Et, θ); compared with DWBA. 10B, 14N levels deduced relative S.

doi: 10.1016/0375-9474(74)90592-2
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2335.

1973CO08      Phys.Rev. C7, 1714 (1973)

S.Cotanch, D.Robson

Dependence of Optical-Model Parameters on Isospin

NUCLEAR REACTIONS 55Mn(p, n), Ep=17.3 MeV; measured nothing. Deduced isospin-conserving optical model parameters.

doi: 10.1103/PhysRevC.7.1714
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1973CO16      Nucl.Phys. A209, 301 (1973)

S.Cotanch, D.Robson

DWBA with Charge Exchange and Isospin

NUCLEAR REACTIONS 9Be, 13N, 13C(3He, d), (d, n), (d, p), E=7, 25 MeV; measured nothing, calculated σ(θ). 10Be, 14N, 14C, 26Al calculated S, correction factors.

doi: 10.1016/0375-9474(73)90579-4
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1973CO17      Phys.Rev.Lett. 31, 559 (1973)

S.Cotanch, R.J.Philpott

Does Pickup to Analog States Exhibit a Charge Dependence of the Nuclear Force (Question)

NUCLEAR REACTIONS 19F(d, t), (d, 3He); calculated σ(θ); deduced no charge dependence.

doi: 10.1103/PhysRevLett.31.559
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Note: The following list of authors and aliases matches the search parameter S.Cotanch: , S.R.COTANCH