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Search: Author = K.Rohrich

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2004BA02      Nucl.Instrum.Methods Phys.Res. B214, 167 (2004)

B.Bassalleck, A.Berdoz, C.Bradtke, R.Broders, B.Bunker, H.Dennert, H.Dutz, S.Eilerts, W.Eyrich, D.Fields, H.Fischer, G.Franklin, J.Franz, R.Gehring, R.Geyer, S.Goertz, N.Hamann, J.Harmsen, J.Hauffe, F.Heinsius, D.Hertzog, T.Johansson, T.Jones, P.Khaustov, K.Kilian, P.Kingsberry, E.Kriegler, J.Lowe, A.Meier, A.Metzger, C.Meyer, W.Meyer, M.Moosburger, W.Oelert, K.Paschke, M.Pluckthun, S.Pomp, B.Quinn, G.Reicherz, K.Rohrich, K.Sachs, H.Schmitt, B.Schoch, T.Sefzick, F.Stinzing, R.Stotzer, R.Tayloe, St.Wirth

Depolarization and spin transfer in (p-bar)p → (Λ-bar)Λ with a polarized target

NUCLEAR REACTIONS 1H(p-bar, X), E at 1.525, 1.640 GeV/c; measured hyperon-antihyperon production polarization observables. Polarized target.

doi: 10.1016/S0168-583X(03)01768-3
Citations: PlumX Metrics


2001BA80      Phys.Lett. 516B, 257 (2001)

P.D.Barnes, B.Bunker, H.Dennert, R.A.Eisenstein, W.Eyrich, H.Fischer, G.Franklin, J.Franz, R.Geyer, P.Harris, J.Hauffe, D.Hertzog, T.Johansson, T.Jones, K.Kilian, W.Oelert, S.Pomp, B.Quinn, K.Rohrich, E.Rossle, K.Sachs, H.Schmitt, T.Sefzick, J.Seydoux, F.Stinzing, R.Tayloe, R.Todenhagen, E.Traneus, S.Wirth

Measurement of the (p-bar)p → KSKSη Cross Section at Beam Momenta in the Regions of 1.45 and 1.7 GeV/c

NUCLEAR REACTIONS 1H(p-bar, X), E at 1.45, 1.7 GeV/c; measured K(S)K(S) associated missing mass distributions, σ.

doi: 10.1016/S0370-2693(01)00958-3
Citations: PlumX Metrics


2001PO26      Nucl.Phys. A692, 97c (2001)

S.Pomp, P.D.Barnes, R.Broders, B.Bunker, H.Dennert, R.E.Eisenstein, W.Eyrich, H.Fischer, G.Franklin, J.Franz, R.Geyer, P.Harris, J.Hauffe, D.Hertzog, T.Johansson, T.Jones, K.Kilian, R.A.Kraft, C.Meyer, W.Oelert, B.Quinn, K.Rohrich, E.Rossle, K.Sachs, H.Schmitt, R.Schumacher, T.Sefzick, F.Stinzing, R.Tayloe, R.Todenhagen, E.Traneus, S.Wirth, for the PS185 Collaboration

A Measurement of the (p-bar)p → KSKSη Cross Section at Beam Momenta Around 1.6 GeV/c

NUCLEAR REACTIONS 1H(p-bar, X), E at 1.6 GeV/c; measured two-kaon plus η meson production missing mass distributions, σ.

doi: 10.1016/S0375-9474(01)01164-2
Citations: PlumX Metrics


2000BB03      Phys.Rev. C62, 055203 (2000)

P.D.Barnes, G.Franklin, R.McCrady, F.Merrill, C.Meyer, B.Quinn, R.A.Schumacher, V.Zeps, N.Hamann, W.Eyrich, R.Geyer, J.Hauffe, M.Kirsch, R.A.Kraft, F.Stinzing, H.Fischer, J.Franz, E.Rossle, M.Ruh, H.Schmitt, R.Todenhagen, K.Kilian, W.Oelert, K.Rohrich, K.Sachs, T.Sefzick, B.D.Bunker, R.A.Eisenstein, P.G.Harris, D.W.Hertzog, T.D.Jones, R.L.Tayloe, T.Johansson, S.Pomp, E.Traneus

High-Statistics Measurements of the (p-bar)p → (Λ-bar)Λ and (p-bar)p → (Λ-bar)Σ0 + c.c. Reactions at Threshold

NUCLEAR REACTIONS 1H(p-bar, X), E ≈ threshold; measured (Λ-bar)Λ and (Λ-bar)Σ0 production σ, σ(θ); deduced no near-threshold resonance structures.

doi: 10.1103/PhysRevC.62.055203
Citations: PlumX Metrics


1999JO09      Nucl.Phys. A655, 173c (1999)

T.Johansson, P.D.Barnes, B.Bassalleck, C.Bradke, R.Broders, B.Bunker, H.Dennert, H.Dutz, S.Eilerts, R.E.Eisenstein, W.Eyrich, D.Fields, H.Fischer, G.Franklin, J.Franz, R.Gehring, R.Geyer, S.Goertz, J.Harmsen, P.Harris, J.Hauffe, D.Hertzog, T.Jones, K.Kilian, P.Kingsberry, E.Kriegler, K.Koningsmann, J.Lowe, R.A.Kraft, A.Meier, C.A.Meyer, W.Meyer, W.Oelert, K.Paschke, M.Plucktum, S.Pomp, B.Quinn, E.Radtke, G.Reicherz, M.Ruh, K.Rohrich, E.Rossle, K.Sachs, H.Schmitt, R.Schumacher, T.Sefzick, F.Stinzing, R.Stotzer, R.Tayloe, R.Todenhagen, S.Wirth, and the PS185 Collaboration

Results from PS185

NUCLEAR REACTIONS 1H(p-bar, X), E at 1.4-2 GeV/c; analyzed antihyperon-hyperon production σ, σ(θ), related data.

doi: 10.1016/S0375-9474(99)00198-0
Citations: PlumX Metrics


1998EV03      Phys.Rev. D57, 5370 (1998)

C.Evangelista, A.Palano, D.Drijard, N.H.Hamann, R.T.Jones, B.Mouellic, S.Ohlsson, J.-M.Perreau, W.Eyrich, M.Moosburger, S.Pomp, F.Stinzing, H.Fischer, J.Franz, E.Rossle, H.Schmitt, H.Wirth, A.Buzzo, K.Kirsebom, M.Lo Vetere, M.Macri, M.Marinelli, S.Passaggio, M.G.Pia, A.Pozzo, E.Robutti, A.Santroni, P.T.Debevec, R.A.Eisenstein, P.G.Harris, D.W.Hertzog, S.A.Hughes, P.E.Reimer, J.Ritter, R.Geyer, K.Kilian, W.Oelert, K.Rohrich, M.Rook, O.Steinkamp, H.Korsmo, B.Stugu, T.Johansson

Study of the Reaction (p-bar)p → φφ from 1.1 to 2.0 GeV/c

NUCLEAR REACTIONS 1H(p-bar, X), E at 1.1-2.0 GeV/c; measured 4-kaon production σ; deduced φφ production σ, resonance features.

doi: 10.1103/PhysRevD.57.5370
Citations: PlumX Metrics


1997BA34      Phys.Lett. 402B, 227 (1997)

P.D.Barnes, W.Breunlich, H.Dennert, R.A.Eisenstein, W.Eyrich, H.Fischer, G.Franklin, J.Franz, R.von Frankenberg, R.Geyer, N.Hamann, D.W.Hertzog, T.Johansson, K.Kilian, M.Kirsch, R.A.Kraft, W.Oelert, B.Quinn, K.Rohrich, E.Rossle, H.Schmitt, R.Schumacher, T.Sefzick, F.Stinzing, R.Tayloe, R.Todenhagen, and the PS185 Collaboration

Measurement of the (p-bar)p → (Σ+-bar)Σ+ and (p-bar)p → (Σ--bar)Σ- Close to Threshold

NUCLEAR REACTIONS 1H(p-bar, X), E at 1.922 GeV/c; measured hyperon, antihyperon pairs production σ, ratio.

doi: 10.1016/S0370-2693(97)00420-6
Citations: PlumX Metrics


1997EV03      Phys.Rev. D56, 3803 (1997)

C.Evangelista, A.Palano, D.Drijard, N.H.Hamann, R.T.Jones, B.Mouellic, S.Ohlsson, J.-M.Perreau, W.Eyrich, M.Moosburger, S.Pomp, F.Stinzing, H.Fischer, J.Franz, E.Rossle, H.Schmitt, H.Wirth, A.Buzzo, K.Kirsebom, M.Lo Vetere, M.Macri, M.Marinelli, S.Passaggio, M.G.Pia, A.Pozzo, E.Robutti, A.Santroni, P.T.Debevec, R.A.Eisenstein, P.G.Harris, D.W.Hertzog, S.A.Hughes, P.E.Reimer, J.Ritter, R.Geyer, K.Kilian, W.Oelert, K.Rohrich, M.Rook, O.Steinkamp, H.Korsmo, B.Stugu, T.Johansson

Measurement of the (p-bar)p → K(s)K(s) Reaction from 0.6 to 1.9 GeV/c

NUCLEAR REACTIONS 1H(p-bar, X), E at 0.6-1.9 GeV/c; measured K(s)K(s) production σ; deduced branching ratios, no evidence for ξ(2220).

doi: 10.1103/PhysRevD.56.3803
Citations: PlumX Metrics


1996BA58      Phys.Rev. C54, 1877 (1996)

P.D.Barnes, G.Diebold, G.Franklin, B.Quinn, R.Schumacher, J.Seydoux, V.Zeps, P.Birien, W.Dutty, H.Fischer, J.Franz, E.Rossle, H.Schledermann, H.Schmitt, R.Todenhagen, W.Breunlich, N.Nagele, R.Broders, R.von Frankenberg, K.Kilian, W.Oelert, K.Rohrich, K.Sachs, T.Sefzick, G.Sehl, M.Ziolkowski, R.A.Eisenstein, D.Hertzog, R.Tayloe, H.Dennert, W.Eyrich, R.Geyer, J.Hauffe, A.Hofmann, M.Kirsch, R.A.Kraft, F.Stinzing, N.Hamann, T.Johansson, S.Ohlsson

Observables in High-Statistics Measurements of the Reaction (p-bar)p → (Λ-bar)Λ

NUCLEAR REACTIONS 1H(p-bar, X), E at 1.642, 1.918 GeV/c; measured Λ(Λ-bar) production associated σ(θ), polarizations, spin correlations, analyzing powers, singlet fractions; deduced CP, CPT violation phenomena upper limits.

doi: 10.1103/PhysRevC.54.1877
Citations: PlumX Metrics


1996BA75      Yad.Fiz. 59, No 9, 1568 (1996); Phys.Atomic Nuclei 59, 1509 (1996)

G.Baur, R.Broders, M.Dahmen, D.Grzonka, K.Kilian, W.Oelert, K.Rohrich, M.Rook, K.Sachs, T.Sefzick, O.Steinkamp, M.Wolke, M.Chanel, C.Lacroix, P.Lefevre, D.Mohl, G.Molinari

Search for Antihydrogen at LEAR


1996BA78      Phys.Rev. C54, 2831 (1996)

P.D.Barnes, G.Franklin, B.Quinn, R.A.Schumacher, V.Zeps, N.Hamann, W.Dutty, H.Fischer, J.Franz, E.Rossle, H.Schmitt, R.Todenhagen, R.von Frankenberg, K.Kilian, W.Oelert, K.Rohrich, K.Sachs, T.Sefzick, M.Ziolkowski, R.A.Eisenstein, P.G.Harris, D.W.Hertzog, S.A.Hughes, P.E.Reimer, R.L.Tayloe, W.Eyrich, R.Geyer, M.Kirsch, R.A.Kraft, F.Stinzing, T.Johansson, S.Ohlsson

Measurement of the (p-bar)p → (Λ-bar)Λ and (p-bar)p → (Σ-bar)0Λ + (c.c.) Reactions at 1.726 and 1.771 GeV/c

NUCLEAR REACTIONS 1H(p-bar, X), E at 1.726, 1.771 GeV/c; measured total, differential σ, polarization, spin correlation coefficients for Σ0-barΛ, Λ-barΣ0, hyperon production.

doi: 10.1103/PhysRevC.54.2831
Citations: PlumX Metrics


1994BA70      Phys.Lett. 331B, 203 (1994)

P.D.Barnes, P.Birien, W.H.Breunlich, W.Dutty, R.A.Eisenstein, G.Ericsson, W.Eyrich, H.Fischer, R.von Frankenberg, G.Franklin, J.Franz, R.Geyer, N.Hamann, D.Hertzog, A.Hofmann, T.Johansson, K.Kilian, M.Kirsch, R.-A.Kraft, W.Oelert, S.Ohlsson, B.Quinn, K.Rohrich, E.Rossle, H.Schledermann, H.Schmitt, T.Sefzick, G.Sehl, J.Seydoux, F.Stinzing, R.Tayloe, R.Todenhagen, V.Zeps, M.Ziolkowski

Study of the Reaction (p-bar)p → (Lambda-bar)Lambda Below 6 MeV Excess Energy

NUCLEAR REACTIONS 1H(p-bar, X), E=low; measured σ(E) vs excess energy, σ(θ) for ((lambda-bar)-lambda) production.

doi: 10.1016/0370-2693(94)90964-4
Citations: PlumX Metrics


1993RO29      Acta Phys.Pol. B24, 1629 (1993)

E.Roderburg, R.Bilger, H.Brand, S.Brand, H.Clement, M.Dahmen, P.Cloth, V.Druke, W.Eyrich, H.Freiesleben, D.Filges, P.Jahn, K.Kilian, M.Kirsch, H.Koch, R.A.Kraft, J.Krug, E.Kuhlmann, S.Lange, H.Machner, H.Matthay, P.Michel, K.Moller, H.P.Morsch, C.Nake, B.Naumann, L.Naumann, W.Oelert, N.Paul, P.Ringe, E.Roderburg, K.Rohrich, A.Roser, M.Rogge, G.Schmidt, T.Sefzick, M.Steinke, F.Stinzing, V.Stobik, R.Stratmann, P.Turek, S.Wirtz, and the COSY-TOF Collaboration

Studies of (Eta) and (Eta') Measurements with the Time of Flight Spectrometer at COSY

NUCLEAR REACTIONS 2H(p, X), E at 0.88-1.5 GeV/c; compiled, reviewed, calculated eta production data. Monte Carlo simulations.


1990GH01      Phys.Rev. C41, 653 (1990)

L.Ghedira, D.Myers, B.H.Cottman, K.Sankhavaram, M.D.Seneviratne, P.Stoler, E.J.Winhold, M.Yamazaki, P.F.Yergin, J.H.J.Distelbrink, K.Rohrich, Ch.Schmitt, V.H.Walther, A.M.Bernstein, K.I.Blomqvist, J.A.Nelson

14N(γ, π+)14C(g.s.) at Photon Energies of 230, 260, and 320 MeV

NUCLEAR REACTIONS 14N(γ, π+), E=230, 260 MeV; measured σ(θ); deduced Δ effects. Delta-hole model analysis.

doi: 10.1103/PhysRevC.41.653
Citations: PlumX Metrics


1988LI23      Nucl.Phys. A485, 580 (1988)

A.Liesenfeld, B.Alberti, D.Eyl, G.Kobschall, A.W.Richter, K.Rohrich, Ch.Schmitt, L.Tiator, V.H.Walther

Electroproduction of Negative Pions on 15N Leading to the Ground State of 15O

NUCLEAR REACTIONS 15N(e, π-), E=170 MeV; measured σ(E(e), θ(π), E(π)). Virtual photon theory.

doi: 10.1016/0375-9474(88)90554-4
Citations: PlumX Metrics


1987KO16      Nucl.Phys. A466, 612 (1987)

G.Kobschall, B.Alberti, H.Jansen, K.Rohrich, Ch.Schmitt, V.H.Walther, K.Weinand, M.Kobayashi, H.Arenhovel

Low Energy Charged Pion Production from the Deuteron

NUCLEAR REACTIONS 2H(e, e'π+), E=170, 183 MeV; measured σ(E(nn), θ); deduced nn-system 1S0 state. Effective hamiltonian Born amplitudes. Liquid target, magnetic spectrometer.

doi: 10.1016/0375-9474(87)90459-3
Citations: PlumX Metrics


1987RO23      Nucl.Phys. A475, 761 (1987)

K.Rohrich, G.Kobschall, C.Reifferscheid, C.Schmitt, V.H.Walther, K.Weinand

Measurement of Positive Pion Production from 14N at Low Momentum Transfer

NUCLEAR REACTIONS 14N(e, π+), E=173.5 MeV; measured σ(E, θ(π), E(π)). 14C, 14N deduced wave function mixing parameters. Shell model.

doi: 10.1016/0375-9474(87)90236-3
Citations: PlumX Metrics


1986TE01      Phys.Lett. 177B, 25 (1986)

P.K.Teng, B.H.Cottman, L.Ghedira, K.Min, P.Stoler, E.J.Winhold, M.Yamazaki, P.F.Yergin, A.M.Bernstein, K.I.Blomqvist, J.H.J.Distelbrink, J.A.Nelson, K.Rohrich, Ch.Schmitt, L.Tiator, V.H.Walther, S.A.Dytman, L.E.Wright

Angular Distribution Measurement of 14N(γ, π+)14C(gs) at E(γ) = 320 MeV

NUCLEAR REACTIONS 14N(γ, π+), E=320 MeV; measured σ(θ). DWIA, momentum space.

doi: 10.1016/0370-2693(86)90007-9
Citations: PlumX Metrics


1985CO15      Phys.Rev.Lett. 55, 684 (1985)

B.H.Cottman, K.Min, P.Stoler, P.K.Teng, E.J.Winhold, M.Yamazaki, P.F.Yergin, A.M.Bernstein, K.I.Blomqvist, J.H.J.Distelbrink, J.A.Nelson, K.Rohrich, C.Schmitt, L.Tiator, V.H.Walther, G.Audit, S.A.Dytman, L.E.Wright

Measurement of 14N(γ, π+)14C(g.s.) at 200 MeV: A test of the distorted-wave impulse approximation for charged-pion photoproduction below the Δ(1232) resonance

NUCLEAR REACTIONS 14N(γ, π+), E=200 MeV bremsstrahlung; measured σ(θ, E(π)) vs pion momentum, σ(θ) vs momentum transfer; deduced structure effects. DWIA, one-body pion photoproduction operator.

doi: 10.1103/PhysRevLett.55.684
Citations: PlumX Metrics


1985OT02      Nucl.Phys. A436, 688 (1985)

C.R.Ottermann, G.Kobschall, K.Maurer, K.Rohrich, Ch.Schmitt, V.H.Walther

Elastic Electron Scattering from 3He and 4He

NUCLEAR REACTIONS 3,4He(e, e), E=105-320 MeV; measured σ(θ, E), charge, magnetic form factors. 3,4He deduced rms radii. Model independent analysis.

doi: 10.1016/0375-9474(85)90554-8
Citations: PlumX Metrics


1985RO05      Phys.Lett. 153B, 203 (1985)

K.Rohrich, L.Tiator, G.Kobschall, Ch.Reifferscheid, Ch.Schmitt, V.H.Walther, K.Weinand, L.E.Wright

Pion Photoproduction on 14N at 173 MeV Photon Energy

NUCLEAR REACTIONS 14N(γ, π+), E=173 MeV; measured σ(θ(π), E(π)); deduced σ(θ).

doi: 10.1016/0370-2693(85)90531-3
Citations: PlumX Metrics


1985SC17      Nucl.Instrum.Methods 237, 523 (1985)

Ch.Schmitt, G.Kobschall, Ch.Reifferscheid, K.Rohrich, K.Weinand, V.H.Walther

A Magnetic Spectrometer for Low Energy Pion Identification in Pion Production Experiments

NUCLEAR REACTIONS 12C(γ, π+), E=183.8 MeV bremsstrahlung; measured σ(θ(π), E(π)); deduced σ(θ(π)). Low energy pions, magnetic spectrometer.

doi: 10.1016/0168-9002(85)91062-9
Citations: PlumX Metrics


1983KO25      Nucl.Phys. A405, 648 (1983)

G.Kobschall, C.Ottermann, K.Maurer, K.Rohrich, Ch.Schmitt, V.H.Walther

Excitation of the Quasi-Bound State in 4He by Electron Scattering at Medium Momentum Transfer

NUCLEAR REACTIONS 4He(e, e'), E=400 MeV; measured σ(θ(e), E(e)). 4He deduced level excitation, longitudinal transition form factor.

doi: 10.1016/0375-9474(83)90523-7
Citations: PlumX Metrics


1983SC03      Nucl.Phys. A392, 345 (1983)

Ch.Schmitt, K.Rohrich, K.Maurer, C.Ottermann, V.H.Walther

Experimental Test of the Virtual Photon Theory for Pion Electroproduction

NUCLEAR REACTIONS 1H, 12C(e, π+), E ≥ threshold; measured σ(θ, E(π), E). Virtual photon theory test.

doi: 10.1016/0375-9474(83)90130-6
Citations: PlumX Metrics


1983SC11      Nucl.Phys. A395, 435 (1983)

Ch.Schmitt, K.Rohrich, K.Maurer, C.Ottermann, V.Walther

Electroproduction of Charged Pions on 12C Leading to Discrete Isobar Analogue States

NUCLEAR REACTIONS 12C(e, π+), (e, π-), E=400 MeV; measured σ(θ(π), E(π)); 12C(γ, π+), E=187.03-189.66 MeV; 12C(γ, π-), E=190.51 MeV; measured σ(θ).

doi: 10.1016/0375-9474(83)90052-0
Citations: PlumX Metrics


1983SC36      Nuovo Cim. 76A, 419 (1983)

Ch.Schmitt, K.Rohrich, V.H.Walther

The Pion Electroproduction and the Virtual-Photon Theory

NUCLEAR REACTIONS 1H, 12C(e, π+), E ≈ threshold; measured σ(θ, E(π)), σ(θ). 12C(γ, π+), E not given; deduced σ(θ). Virtual photon theory.

doi: 10.1007/BF02833737
Citations: PlumX Metrics


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