NSR Query Results


Output year order : Descending
Format : Normal

NSR database version of May 21, 2024.

Search: Author = J.H.Koch

Found 34 matches.

Back to query form



2002KO20      Phys.Rev. C65, 045202 (2002)

J.H.Koch, V.Pascalutsa, S.Scherer

Hadron Structure in the Description of Electromagnetic Reactions

doi: 10.1103/PhysRevC.65.045202
Citations: PlumX Metrics


1997BO18      Nucl.Phys. A619, 295 (1997)

K.G.Boreskov, L.A.Kondratyuk, M.I.Krivoruchenko, J.H.Koch

Resonance Production on Nuclei at High Energies: Nuclear-medium effects and space-time picture

doi: 10.1016/S0375-9474(97)00158-9
Citations: PlumX Metrics


1996BO29      Yad.Fiz. 59, No 10, 1908 (1996); Phys.Atomic Nuclei 59, 1844 (1996)

K.G.Boreskov, J.H.Koch, L.A.Kondratyuk, M.I.Krivoruchenko

Medium Effects in the Production of Hadronic Resonances on Nuclei

NUCLEAR STRUCTURE A=50; A=200; calculated e+e--pairs mass spectra following hard photon induced ρ-meson production, decay in these targets. Two-component formula.


1996PO02      Phys.Rev. C53, 2304 (1996)

S.Pollock, H.W.L.Naus, J.H.Koch

Electron-Nucleon Cross Section in (e, e'p) Reactions

doi: 10.1103/PhysRevC.53.2304
Citations: PlumX Metrics


1996SC15      Phys.Rev. C54, 904 (1996)

S.Scherer, A.Yu.Korchin, J.H.Koch

Virtual Compton Scattering Off the Nucleon at Low Energies

doi: 10.1103/PhysRevC.54.904
Citations: PlumX Metrics


1992BO27      Nucl.Phys. A547, 488 (1992)

J.W.Bos, S.Scherer, J.H.Koch

Hadron Structure and Gauge Invariance in Photo- and Electroproduction of Pions

NUCLEAR REACTIONS 1H(γ, π0), E not given; calculated photoproduction σ(θ).

doi: 10.1016/0375-9474(92)90035-I
Citations: PlumX Metrics


1990KO19      Nucl.Phys. A512, 699 (1990)

J.H.Koch, T.Takaki

Pion Photoproduction and Radiative Capture on 13C

NUCLEAR REACTIONS 13C(γ, π-), E=193, 223 MeV; 13C(π+, γ), E=115 MeV; calculated σ(θ).

doi: 10.1016/0375-9474(90)90231-A
Citations: PlumX Metrics


1990KO37      Nucl.Phys. A519, 773 (1990)

J.Konijn, C.T.A.M.de Laat, A.Taal, J.H.Koch

An Improved Parametrization of the Optical Potential for Pionic Atoms

NUCLEAR STRUCTURE 181Ta, Re, Pt, 197Au, 208Pb, 209Bi, 237Np, 24Mg, 27Al, 28Si, Zn, Ge, 93Nb, Ru, Cu; analyzed pionic atom data. Phenomenological optical potential. Other nuclei in the A=10-56 also studied.

ATOMIC PHYSICS, Mesic-Atoms 181Ta, Re, Pt, 197Au, 208Pb, 209Bi, 237Np, 24Mg, 27Al, 28Si, Zn, Ge, 93Nb, Ru, Cu; analyzed pionic atom data. Phenomenological optical potential. Other nuclei in the A=10-56 also studied.

doi: 10.1016/0375-9474(90)90435-O
Citations: PlumX Metrics


1990NA09      Nucl.Phys. A509, 717 (1990)

H.W.L.Naus, S.J.Pollock, J.H.Koch, U.Oelfke

Electron Scattering from a Bound Nucleon

NUCLEAR REACTIONS 3He(e, e'X), E=6.483 GeV; calculated σ(θ(e'), E(e')). Scattering from bound nucleon.

doi: 10.1016/0375-9474(90)90250-P
Citations: PlumX Metrics


1990TA10      Nucl.Phys. A511, 573 (1990)

A.Taal, P.David, H.Hanscheid, J.H.Koch, C.T.A.M.de Laat, W.Lourens, F.Risse, Ch.F.G.Rosel, A.van der Schaaf, W.Schrieder, J.Konijn

Deeply Bound 1s and 2p States in Pionic Atoms

NUCLEAR REACTIONS 24Mg, 27Al, 28Si(π-, xnyp), E at rest; measured prompt, delayed neutron, X-ray, γ-spectra. 93Nb, Ru, Ag, Cd(π-, X), E at rest; measured X-ray spectra; deduced strong interaction shifts, widths.

ATOMIC PHYSICS, Mesic-Atoms 24Mg, 27Al, 28Si(π-, xnyp), E at rest; measured prompt, delayed neutron, X-ray, γ-spectra. 93Nb, Ru, Ag, Cd(π-, X), E at rest; measured X-ray spectra; deduced strong interaction shifts, widths.

doi: 10.1016/0375-9474(90)90111-X
Citations: PlumX Metrics


1988KO07      Phys.Lett. 205B, 215 (1988)

M.W.Konijnenberg, K.Abrahams, J.Kopecky, F.Stecher-Rasmussen, R.Wervelman, J.H.Koch

Evidence for Meson-Exchange Currents in the Radiative Thermal Neutron Capture by Deuterium Nuclei

NUCLEAR REACTIONS 2H(polarized n, γ), E=thermal; measured γ CP; deduced meson exchange current role.

doi: 10.1016/0370-2693(88)91652-8
Citations: PlumX Metrics


1987DU08      Phys.Lett. 196B, 434 (1987)

P.C.Dunn, A.Kaarsgaarn, J.H.Koch, P.K.A.De Witt Huberts, P.Stoler, P.F.Yergin, M.Seneviratne, B.Schoch

A Study of the Role of the Δ-Resonance in the Reaction 13C(γ, π-)13N(gs)

NUCLEAR REACTIONS 13C(γ, π-), E=223 MeV; measured pion production σ(θ). Enriched target.

doi: 10.1016/0370-2693(87)90796-9
Citations: PlumX Metrics


1987OC01      Phys.Rev. C35, 1063 (1987)

J.S.O'Connell, W.R.Dodge, J.W.Lightbody, Jr., X.K.Maruyama, J.-O.Adler, K.Hansen, B.Schroder, A.M.Bernstein, K.I.Blomqvist, B.H.Cottman, J.J.Comuzzi, R.A.Miskimen, B.P.Quinn, J.H.Koch, N.Ohtsuka

Electromagnetic Excitation of the Delta Resonance in Nuclei

NUCLEAR REACTIONS 1H, 4He, 9Be, 12C, 16O(e, e'X), E=537, 730 MeV; measured inclusive σ(E(e'), θ(e')); deduced quasifree peak positions, widths, average separation energies. Dispersion matched energy loss spectrometer. Model calculations.

doi: 10.1103/PhysRevC.35.1063
Citations: PlumX Metrics


1986SU18      Nucl.Phys. A460, 607 (1986)

T.Suzuki, T.Takaki, J.H.Koch

Photoproduction of Charged Pions to Discrete Nuclear States

NUCLEAR REACTIONS 12C, 14N(γ, π+), E=320 MeV; calculated σ(θ). Medium effects, isobar propogation.

doi: 10.1016/0375-9474(86)90528-2
Citations: PlumX Metrics


1985KO06      Nucl.Phys. A435, 765 (1985)

J.H.Koch, N.Ohtsuka

Inclusive Electron Scattering from Light Nuclei at Intermediate Energies

NUCLEAR REACTIONS 4He, 12C, 16O(e, e'X), E ≈ 730 MeV; calculated inclusive σ(θ(e'), E(e')), transverse σ. Isobar-hole model.

doi: 10.1016/0375-9474(85)90187-3
Citations: PlumX Metrics


1985SU15      Phys.Lett. 164B, 245 (1985)

T.Suzuki, J.H.Koch

Pion Photoproduction in the σ-(Omega) Model

NUCLEAR REACTIONS 27Al(γ, π+), (γ, π-), (γ, π0), E ≈ threshold; calculated σ; deduced medium effects.

doi: 10.1016/0370-2693(85)90318-1
Citations: PlumX Metrics


1985TA10      Phys.Lett. 156B, 296 (1985)

A.Taal, J.F.M.D'Achard van Enschut, J.B.R.Berkhout, W.Duinker, C.W.E.Van Eijk, W.H.A.Hesselink, P.J.van den Hoek, T.J.Ketel, J.H.Koch, J.Konijn, C.T.A.M.de Laat, W.Lourens, G.van Middelkoop, W.Poeser, T.Prins, A.H.Wapstra

Anomalous Strong Interaction in Pionic Mg

NUCLEAR REACTIONS Mg(π-, X), E at rest; measured pionic E X-ray, I X-ray; deduced strong interaction shifts, widths, anomalies.

ATOMIC PHYSICS, Mesic-Atoms Mg; measured pionic X-rays; deduced strong interaction shifts, widths, anomalies.

doi: 10.1016/0370-2693(85)91612-0
Citations: PlumX Metrics


1985TA17      Nucl.Phys. A443, 570 (1985)

T.Takaki, T.Suzuki, J.H.Koch

Photoproduction of Neutral Pions to Discrete Nuclear States

NUCLEAR REACTIONS 12C(γ, π0), E=235, 250 MeV; calculated σ(θ); deduced pion production mechanism. DWIA, isobar-hole excitation.

doi: 10.1016/0375-9474(85)90214-3
Citations: PlumX Metrics


1984DA02      Phys.Lett. 136B, 24 (1984)

J.F.M.d'Achard van Enschut, J.B.R.Berkhout, W.Duinker, C.W.E.van Eijk, W.H.A.Hesselink, T.Johansson, T.J.Ketel, J.H.Koch, J.Konijn, C.T.A.M.de Laat, W.Lourens, G.van Middelkoop, W.Poeser

Anomalous Strong Interaction Shifts and Widths of the 3d State in Pionic Pt and Au

ATOMIC PHYSICS, Mesic-Atoms Pt, Au; measured pionic E X-ray, I X-ray; deduced strong interaction monopole shifts, widths.

doi: 10.1016/0370-2693(84)92048-3
Citations: PlumX Metrics


1984KO33      Ann.Phys.(New York) 154, 99 (1984)

J.H.Koch, E.J.Moniz, N.Ohtsuka

Nuclear Photoabsorption and Compton Scattering at Intermediate Energy

NUCLEAR REACTIONS 12C(γ, X), E=200-400 MeV; calculated photoabsorption σ(E). 12C(γ, γ), E(cm)=325 MeV; 4He(γ, γ), E(cm)=200, 325 MeV; calculated elastic Compton scattering σ(θ). Isobar-hole approach.

doi: 10.1016/0003-4916(84)90141-6
Citations: PlumX Metrics


1984OL04      Nucl.Phys. A429, 477 (1984)

J.G.J.Olivier, M.Thies, J.H.Koch

Anomalous Widths in Pionic Atoms and the Problem of s-Wave Repulsion

ATOMIC PHYSICS, Mesic-Atoms 148Nd, 181Ta; analyzed pionic level shift, width data; deduced nuclear interior s-wave repulsion.

doi: 10.1016/0375-9474(84)90693-6
Citations: PlumX Metrics


1983KO02      Phys.Rev. C27, 751 (1983)

J.H.Koch, E.J.Moniz

Coherent π0 Photoproduction at Intermediate Energy

NUCLEAR REACTIONS 4He, 12C(γ, π0), E=200-400 MeV; calculated production σ(E), σ(θ). Isobar-hole formalism.

doi: 10.1103/PhysRevC.27.751
Citations: PlumX Metrics


1979HI04      Ann.Phys.(New York) 120, 205 (1979)

M.Hirata, J.H.Koch, F.Lenz, E.J.Moniz

Isobar-Hole Doorway States and π-16O Scattering

NUCLEAR REACTIONS 16O(π+, π+), (π-, π-), E=50-340 MeV; calculated σ(θ). Isobar-hole doorway state model.

doi: 10.1016/0003-4916(79)90287-2
Citations: PlumX Metrics


1979KO17      Phys.Rev. C20, 235 (1979)

J.H.Koch, E.J.Moniz

Coherent π0 Photoproduction in the Isobar-Hole Formalism

NUCLEAR REACTIONS 16O(γ, π0), E not given; calculated coherent production σ. Isobar-hole formalism for pion-nucleus interactions.

doi: 10.1103/PhysRevC.20.235
Citations: PlumX Metrics


1979KO22      Nucl.Phys. A326, 401 (1979)

J.Konijn, J.K.Panman, J.H.Koch, W.van Doesburg, G.T.Ewan, T.Johansson, G.Tibell, K.Fransson, L.Tauscher

Pionic 4f → 3d Transition in 181Ta, Natural Re, and 209Bi and the Strong Interaction Level Shift and Width of the Pionic 3d State

ATOMIC PHYSICS, Mesic-Atoms 181Ta, Re, 209Bi; measured pionic E(X-ray), I(X-ray); deduced strong interaction widths of 5g, 4f levels.

doi: 10.1016/0375-9474(79)90400-7
Citations: PlumX Metrics


1977BO03      Phys.Lett. 66B, 236 (1977)

E.C.Booth, B.Chasan, A.M.Bernstein, P.Bosted, J.H.Koch

Threshold Photoproduction of π+ Mesons in Deuterium

NUCLEAR REACTIONS 2H(γ, π+), E=threshold-9 MeV; measured σ(E).

doi: 10.1016/0370-2693(77)90869-3
Citations: PlumX Metrics


1977HI10      Phys.Lett. 70B, 281 (1977)

M.Hirata, J.H.Koch, F.Lenz, E.J.Moniz

Extended Schematic Model for Pion-Nucleus Scattering

NUCLEAR REACTIONS 16O(π-, π-); calculated scattering parameters.

doi: 10.1016/0370-2693(77)90658-X
Citations: PlumX Metrics


1977KO26      Phys.Rev. C16, 1968 (1977)

J.H.Koch, R.M.Woloshyn

Near Threshold Photoproduction of Neutral Pions from the Deuteron

NUCLEAR REACTIONS 1,2H(γ, π0), E=threshold-threshold+6 MeV; calculated σ(E).

doi: 10.1103/PhysRevC.16.1968
Citations: PlumX Metrics


1976DU05      Nucl.Phys. A271, 279 (1976)

J.Dubach, J.H.Koch, T.W.Donnelly

Exchange Currents in Electron Scattering from Light Nuclei

NUCLEAR REACTIONS 3He, 6,7Li, 9Be, 10B(e, e'); calculated meson exchange currents.

doi: 10.1016/0375-9474(76)90246-3
Citations: PlumX Metrics


1976KO04      Phys.Lett. 60B, 221 (1976)

J.H.Koch, R.M.Woloshyn

Threshold Photoproduction of Neutral Pions from Few-Body Targets

NUCLEAR REACTIONS 3H, 3He(γ, π0), E=near threshold; calculated σ.

doi: 10.1016/0370-2693(76)90285-9
Citations: PlumX Metrics


1974KO27      Phys.Rev. C10, 2618 (1974)

J.H.Koch, T.W.Donnelly

Pion Photoproduction on 6Li Near Threshold

NUCLEAR REACTIONS 6Li(γ, π), E approx threshold; calculated σ(E).

doi: 10.1103/PhysRevC.10.2618
Citations: PlumX Metrics


1972KI07      Phys.Rev. C6, 469 (1972)

L.S.Kisslinger, R.L.Burman, J.H.Koch, M.M.Sternheim

Elastic Pion-Nucleus Scattering for Studies of the Nuclear Surface

NUCLEAR REACTIONS 40Ca, 208Pb(π-, π-), (π+, π+), E=57-150 MeV; calculated σ(θ).

doi: 10.1103/PhysRevC.6.469
Citations: PlumX Metrics


1972KO08      Phys.Rev.Lett. 28, 1061 (1972)

J.H.Koch, M.M.Sternheim

K--Nucleus Interaction and its Interpretation

ATOMIC PHYSICS, Mesic-Atoms 10B, C, P, S, Cl, 11B, Zn; analyzed μ-mesic X-ray transitions. Optical model.

doi: 10.1103/PhysRevLett.28.1061
Citations: PlumX Metrics


1972KO27      Phys.Rev. C6, 1118 (1972)

J.H.Koch, M.M.Sternheim

Models for π+-16O Scattering at 270 MeV

NUCLEAR REACTIONS 16O(π+, π+), E=270 MeV; analyzed σ(θ). Kisslinger, local optical model.

doi: 10.1103/PhysRevC.6.1118
Citations: PlumX Metrics


Back to query form