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Search: Author = J.Koch

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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

1993NI07      Phys.Rev.Lett. 70, 3713 (1993)

J.Nilsen, J.A.Koch, J.H.Scofield, B.J.MacGowan, J.C.Moreno, L.B.Da Silva

Observation of Hyperfine Splitting on an X-Ray Laser Transition

NUCLEAR MOMENTS ⁹³Nb, Zr; measured X-ray laser transition hfs; deduced no hfs splitting for Zr. High resolution grazing incidence grating spectrometer, Ne-like Nb, Zr.

doi: 10.1103/PhysRevLett.70.3713
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
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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
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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
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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
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1984ST16      Phys.Lett. 143B, 69 (1984)

P.Stoler, P.F.Yergin, A.Farah, P.C.Dunn, P.K.A.DeWitt-Huberts, A.Kaarsgaarn, J.Koch, B.Schoch

A Measurement of the Photopion Reaction ¹³C(γ, π^-)¹³N(g.s.) at a Pion Kinetic Energy of 48 MeV

NUCLEAR REACTIONS ¹³C(γ, π^-), E ≈ 193 MeV; measured σ(θ); deduced M1 form factor dependence.

doi: 10.1016/0370-2693(84)90806-2
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

1980KO11      Nucl.Phys. A340, 221 (1980)

J.Koch, F.Scheck

Quadrupole Interactions in Pionic and Kaonic Atoms

NUCLEAR MOMENTS ¹⁶⁵Ho, ^175,176Lu, ¹⁸¹Ta, Re; calculated pionic, kaonic hfs; deduced strong interaction shifts, widths. Optical potential, nonspherical density distributions.

doi: 10.1016/0375-9474(80)90272-9
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
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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
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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
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1967FR03      Nucl.Phys. A95, 625(1967)

K.Fricke, J.Koch, U.Schotzig, F.Munnich

Angular Correlation Measurement of the 722 Kev-556 keV Gamma-Gamma Cascade in ¹¹⁴Cd

RADIOACTIVITY ^114mIn [from ¹¹³In(n, γ)]; measured γγ(θ). ¹¹⁴Cd level deduced J. Natural target.

doi: 10.1016/0375-9474(67)90855-X
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1967KO13      Nucl.Phys. A103, 300 (1967)

J.Koch, F.Munnich, U.Schotzig

Messung des E2/M1 Mischungsverhaltnisses von 2+-2+ Ubergangen in ⁸²Kr, ¹⁰⁶Pd, ¹²²Te, ¹⁹²Pt und ¹⁹⁸Hg

RADIOACTIVITY ⁸²Br [from ⁸¹Br(n, γ)], ¹⁰⁶Ru [from u(n, F)], ¹²²Sb [from ¹²¹Sb(n, γ)], ¹⁹²Ir [from ¹⁹¹Ir(n, γ)], ¹⁹⁸Au [from ¹⁹⁷Au(n, γ)]; measured γγ(θ). ⁸²Kr, ¹⁰⁶Pd, ¹²²Te, ¹⁹²Pt, ¹⁹⁸Hg, deduced delta(E2/M1). Natural, enriched targets.

doi: 10.1016/0375-9474(67)90255-2
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1965KO11      Z.Naturforsch. 20a, 845 (1965)

J.Koch, F.Munnich, W.Schaare, K.Fischer, K.Fricke

Determination of the Spin of the 2426 keV Level in Kr⁸²

NUCLEAR STRUCTURE ⁸²Br; measured not abstracted; deduced nuclear properties.

1964MU09      Z.Physik 181, 301 (1964)

F.Munnich, K.Fricke, J.Koch

Untersuchung des Zerfalls von Ag¹¹⁰m durch γ-γ-Richtungskorrelationsmessungen

NUCLEAR STRUCTURE ¹¹⁰Ag; measured not abstracted; deduced nuclear properties.

1952BO57      Arkiv Fysik 4, 455 (1952)

A.Bohr, J.Koch, E.Rasmussen

Hyperfine Structure and Nuclear Moments of Xe¹²⁹ and Xe¹³¹

1950KO09      Phys.Rev. 77, 722 (1950)

J.Koch, E.Rasmussen

Nuclear Spin and Isotope Shift of Xenon Investigated with Separated Isotopes

doi: 10.1103/PhysRev.77.722
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1949KO13      Phys.Rev. 76, 279 (1949)

J.Koch, O.Kofoed-Hansen, P.Kristensen, W.Drost-Hansen

Measurements on Radioactive Krypton Isotopes from Fission after Mass-Spectrographic Separation

doi: 10.1103/PhysRev.76.279
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23572.

1949KO21      Phys.Rev. 76, 1417 (1949)

J.Koch, E.Rasmussen

Hyperfine Structure and Nuclear Spin of Kr-83 and Ne-21 Investigated

doi: 10.1103/PhysRev.76.1417
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1948BR19      Nature(London) 162, 695 (1948)

K.J.Brostrom, T.Huus, J.Koch

Gamma-Rays from Proton Bombardment of Separated Argon Isotopes

NUCLEAR REACTIONS ⁴⁰Ar(p, X), E=0.5-1.8 MeV; measured Eγ, Iγ. ⁴¹Ar deduced resonance features.

doi: 10.1038/162695b0
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Note: The following list of authors and aliases matches the search parameter J.Koch: , J.A.KOCH, J.H.KOCH