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NSR database version of April 11, 2024.

Search: Author = R.Bohm

Found 56 matches.

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2023MI19      Eur.Phys.J. A 59, 225 (2023)

M.Mihovilovic, P.Achenbach, C.Ayerbe Gayoso, M.Bajec, T.Beranek, J.Bericic, J.C.Bernauer, R.Bohm, D.Bosnar, M.Cardinali, L.Correa, L.Debenjak, A.Denig, M.O.Distler, A.Esser, M.I.Ferretti-Bondy, H.Fonvieille, J.M.Friedrich, I.Friscic, K.Griffioen, M.Hoek, S.Kegel, Y.Stottinger, H.Merkel, D.G.Middleton, U.Muller, L.Nungesser, J.Pochodzalla, M.Rohrbeck, S.Sanchez Majos, B.S.Schlimme, M.Schoth, F.Schulz, C.Sfienti, S.Sirca, J.E.Sobczyk, S.Stajner, M.Thiel, A.Tyukin, M.Vanderhaeghen, A.B.Weber, M.Weinriefer

Non-forward radiative corrections to electron-carbon scattering

doi: 10.1140/epja/s10050-023-01128-y
Citations: PlumX Metrics

2021MI08      Eur.Phys.J. A 57, 107 (2021)

M.Mihovilovic, P.Achenbach, T.Beranek, J.Bericic, J.C.Bernauer, R.Bohm, D.Bosnar, M.Cardinali, L.Correa, L.Debenjak, A.Denig, M.O.Distler, A.Esser, M.I.Ferretti-Bondy, H.Fonvieille, J.M.Friedrich, I.Friscic, M.Hoek, S.Kegel, H.Merkel, D.G.Middleton, U.Muller, J.Pochodzalla, B.S.Schlimme, M.Schoth, F.Schulz, C.Sfienti, S.Sirca, S.Stajner, Y.Stottinger, M.Thiel, A.Tyukin, M.Vanderhaeghen, A.B.Weber

The proton charge radius extracted from the initial-state radiation experiment at MAMI

NUCLEAR REACTIONS ¹H(e^-, e^-), E not given; analyzed available data; deduced proton charge radii. Comparison with available data.

doi: 10.1140/epja/s10050-021-00414-x
Citations: PlumX Metrics

2019BL09      Eur.Phys.J. A 55, 182 (2019)

A.Blomberg, H.Atac, N.Sparveris, M.Paolone, P.Achenbach, M.Benali, J.Bericic, R.Bohm, L.Correa, M.O.Distler, A.Esser, D.Flay, H.Fonvieille, I.Friscic, Y.Kohl, H.Merkel, U.Muller, Z.E.Meziani, M.Mihovilovic, J.Pochodzalla, A.Polychronopoulou, B.Pasquini, M.Schoth, F.Schulz, S.Schlimme, C.Sfienti, S.Sirca, A.Weber

Virtual Compton scattering measurements in the nucleon resonance region

doi: 10.1140/epja/i2019-12877-0
Citations: PlumX Metrics

2017YA13      Phys.Lett. B 769, 21 (2017)

I.Yaron, D.Izraeli, P.Achenbach, H.Arenhovel, J.Bericic, R.Bohm, D.Bosnar, E.O.Cohen, L.Debenjak, M.O.Distler, A.Esser, I.Friscic, R.Gilman, I.Korover, J.Lichtenstadt, H.Merkel, D.G.Middleton, M.Mihovilovic, U.Muller, E.Piasetzky, J.Pochodzalla, G.Ron, B.S.Schlimme, M.Schoth, F.Schulz, C.Sfienti, S.Sirca, S.Strauch, M.Thiel, A.Tyukin, A.Webe

Polarization-transfer measurement to a large-virtuality bound proton in the deuteron

NUCLEAR REACTIONS ²H(polarized E, E'polarized p), E=600, 630 MeV; measured reaction products; deduced helicity dependent polarization components. Comparison with theoretical calculations.

doi: 10.1016/j.physletb.2017.01.034
Citations: PlumX Metrics

2016MA64      Eur.Phys.J. A 52, 298 (2016)

M.Makek, P.Achenbach, C.Ayerbe Gayoso, C.Barbieri, J.C.Bernauer, R.Bohm, D.Bosnar, A.Denig, M.O.Distler, I.Friscic, C.Giusti, H.Merkel, U.Muller, L.Nungesser, J.Pochodzalla, S.Sanches Majos, B.S.Schlimme, M.Schwamb, Th.Walcher, for the A1 Collaboration

Differential cross section measurement of the ¹²C(e, e'pp)¹⁰Be_g.s. reaction

NUCLEAR REACTIONS ¹²C(e, e'pp)¹⁰Be_gs, E=163 MeV; measured Ep, Ip using Si detectors and Ie, Ip using high-resolution magnetic spectrometers, pp-coin, ep-coin; deduced σ(E, θ). ¹⁰Be deduced excitation energy spectrum after triple coin; calculated σ(E, θ) using Pavia reaction code.

doi: 10.1140/epja/i2016-16298-3
Citations: PlumX Metrics

2014BE19      Phys.Rev. C 90, 015206 (2014)

J.C.Bernauer, M.O.Distler, J.Friedrich, Th.Walcher, P.Achenbach, C.Ayerbe Gayoso, R.Bohm, D.Bosnar, L.Debenjak, L.Doria, A.Esser, H.Fonvieille, M.Gomez Rodriguez, J.M.Friedrich, M.Makek, H.Merkel, D.G.Middleton, U.Muller, L.Nungesser, J.Pochodzalla, M.Potokar, S.Sanchez Majos, B.S.Schlimme, S.Sirca, M.Weinriefer

Electric and magnetic form factors of the proton

doi: 10.1103/PhysRevC.90.015206
Citations: PlumX Metrics

2013ES03      Nucl.Phys. A914, 519c (2013)

A.Esser, S.Nagao, F.Schulz, S.Bleser, M.Steinen, P.Achenbach, C.Ayerbe Gayoso, R.Bohm, O.Borodina, D.Bosnar, A.Botvina, V.Bozkurt, L.Debenjak, M.O.Distler, I.Friscic, Y.Fujii, T.Gogami, M.Gomez Rodriguez, O.Hashimoto, S.Hirose, H.Kanda, M.Kaneta, E.Kim, Y.Kohl, J.Kusaka, A.Margaryan, H.Merkel, M.Mihovilovic, U.Muller, S.N.Nakamura, J.Pochodzalla, C.Rappold, J.Reinhold, T.R.Saito, A.Sanchez Lorente, S.Sanchez Majos, B.S.Schlimme, M.Schoth, C.Sfienti, S.Sirca, L.Tang, M.Thiel, K.Tsukada, A.Weber, K.Yoshida

Prospects for hypernuclear physics at Mainz: From KAOS@MAMI to PANDA@FAIR

NUCLEAR REACTIONS ⁹Be(e, ³H), (e, ⁴H), E=1.5 GeV; measured Λ hypernuclei π-meson time coincidence with pion, muon, electron. Preliminary.

doi: 10.1016/j.nuclphysa.2013.02.008
Citations: PlumX Metrics

2013SC18      Phys.Rev.Lett. 111, 132504 (2013)

B.S.Schlimme, P.Achenbach, C.A.Ayerbe Gayoso, J.C.Bernauer, R.Bohm, D.Bosnar, Th.Challand, M.O.Distler, L.Doria, F.Fellenberger, H.Fonvieille, M.Gomez Rodriguez, P.Grabmayr, T.Hehl, W.Heil, D.Kiselev, J.Krimmer, M. Makek, H.Merkel, D.G.Middleton, U.Muller, L.Nungesser, B.A.Ott, J.Pochodzalla, M.Potokar, S.Sanchez Majos, M.M.Sargsian, I.Sick, S.Sirca, M.Weinriefer, M.Wendel, C.J.Yoon

Measurement of the Neutron Electric to Magnetic Form Factor Ratio at Q²=1.58 GeV² Using the Reaction ³He(pol)(e(pol), e'n)pp

NUCLEAR REACTIONS ³He(polarized e, e'n), E=1.508 GeV; measured reaction products, Eβ, Iβ, En, In; deduced neutron electric to magnetic form factor ratio. Comparison with available data.

doi: 10.1103/PhysRevLett.111.132504
Citations: PlumX Metrics

2013SP05      Eur.Phys.J. A 49, 136 (2013)

N.Sparveris, S.Stave, P.Achenbach, C.Ayerbe Gayoso, D.Baumann, J.Bernauer, A.M.Bernstein, R.Bohm, D.Bosnar, T.Botto, A.Christopoulou, D.Dale, M.Ding, M.O.Distler, L.Doria, J.Friedrich, A.Karabarbounis, M.Makek, H.Merkel, U.Muller, I.Nakagawa, R.Neuhausen, L.Nungesser, C.N.Papanicolas, A.Piegsa, J.Pochodzalla, M.Potokar, M.Seimetz, S.Sirca, S.Stiliaris, Th.Walcher, M.Weis

Measurements of the γ^*p → Δ reaction at low Q²

NUCLEAR REACTIONS ¹H(polarized e, e'p)π⁰, E(cm)=1205-1240 MeV; measured Ep, Ip(θ); deduced three unpolarized σ. Compared with published calculations.

doi: 10.1140/epja/i2013-13136-2
Citations: PlumX Metrics

2012AC01      Eur.Phys.J. A 48, 14 (2012)

P.Achenbach, C.Ayerbe Gayoso, J.C.Bernauer, S.Bianchin, R.Bohm, O.Borodina, D.Bosnar, M.Bosz, V.Bozkurt, P.Bydzovsky, L.Debenjak, M.O.Distler, A.Esser, I.Friscic, M.Gomez-Rodriguez, B.Gokuzum, K.Griessinger, P.Jennewein, E.Kim, M.Makek, H.Merkel, S.Minami, U.Muller, D.Nakajima, L.Nungesser, B.Ozel-Tashenov, J.Pochodzalla, Ch.Rappold, T.R.Saito, S.Sanchez Majos, B.S.Schlimme, S.Sirca, M.Weinriefer, C.J.Yoon

Exclusive electroproduction of K⁺Λ and K⁺Σ⁰ final states at Q² = 0.030-0.055 (GeV/c)²

NUCLEAR REACTIONS ¹H(e, e'K⁺)Λ, (e, e'K⁺)Σ⁰, E=1.508 GeV; measured reaction products using high-resolution magnetic spectrometers and Kaos spectrometer at Mainz MAMI microtron; deduced missing mass spectrum, coincidence time spectra, K⁺ yields, σ(θ); calculated K⁺ σ(θ) using different versions of K-maid model.

doi: 10.1140/epja/i2012-12014-9
Citations: PlumX Metrics

2010AC02      Nucl.Phys. A835, 313c (2010)

P.Achenbach, C.Ayerbe Gayoso, J.C.Bernauer, S.Bianchin, R.Bohm, O.Borodina, D.Bosnar, V.Bozkurt, L.Debenjak, A.Denig, M.O.Distler, A.Esser, H.Fonvieille, I.Friscic, B.Gokuzum, K.Griessinger, E.Kim, F.E.Maas, M.Makek, H.Merkel, S.Minami, U.Muller, D.Nakajima, L.Nungesser, B.Ozel-Tashenov, J.Pochodzalla, M.Potokar, C.Rappold, T.R.Saito, S.Sanchez Majos, B.S.Schlimme, S.Sirca, M.Weinriefer

First measurements of Λ and Σ⁰ hyperons in elementary electroproduction at MAMI

NUCLEAR REACTIONS ¹H(e, e'K⁺), E=1507 MeV; measured electron and kaon spectra; deduced missing mass spectrum, Λ-, Σ-hyperons.

doi: 10.1016/j.nuclphysa.2010.01.207
Citations: PlumX Metrics

2009MI18      Phys.Rev.Lett. 103, 152501 (2009)

D.G.Middleton, J.R.M.Annand, M.A.Antelo, C.Ayerbe, P.Barneo, D.Baumann, J.Bermuth, J.Bernauer, H.P.Blok, R.Bohm, D.Bosnar, M.Ding, M.O.Distler, J.Friedrich, J.Garcia Llongo, D.I.Glazier, J.Golak, W.Glockle, P.Grabmayr, T.Hehl, J.Heim, W.H.A.Hesselink, E.Jans, H.Kamada, G.J.Manas, M.Kohl, L.Lapikas, I.J.D.MacGregor, I.Martin, J.C.McGeorge, H.Merkel, P.Merle, K.Monstad, F.Moschini, U.Muller, A.Nogga, R.Perez-Benito, Th.Pospischil, M.Potokar, G.Rosner, M.Seimetz, R.Skibinski, H.de Vries, Th.Walcher, D.P.Watts, M.Weinriefer, M.Weiss, H.Witala, B.Zihlmann

Investigation of the Exclusive ³He(e, e'pn)¹H Reaction

NUCLEAR REACTIONS ³He(e, e'np), E=220-270 MeV; measured Ee, Ie, Ep, Ip and En, In; deduced σ. Continuum Fadeev calculations.

doi: 10.1103/PhysRevLett.103.152501
Citations: PlumX Metrics

2008BO32      Phys.Rev. C 78, 054001 (2008)

W.U.Boeglin, H.Arenhovel, K.I.Blomqvist, R.Bohm, M.Distler, R.Edelhoff, I.Ewald, R.Florizone, J.Friedrich, R.Geiges, M.Kahrau, M.Korn, H.Kramer, K.W.Krygier, V.Kunde, A.Liesenfeld, K.Merle, R.Neuhausen, E.A.J.M.Offermann, Th.Pospischil, A.W.Richter, G.Rosner, P.Sauer, S.Schardt, A.Serdarevic, A.Wagner, Th.Walcher, S.Wolf, J.Jourdan, I.Sick, M.Kuss, M.Potokar, A.Rokavec, B.Vodenik, S.Sirca

f_LT response function of ²H(e, e'p)n at Q²=0.33 GeV/c)²

NUCLEAR REACTIONS ²H(e, e'p), E=855.11 MeV; measured σ, missing momentum, kinematic variables; deduced interference response function. Comparison with Coupled Channels Calculations.

doi: 10.1103/PhysRevC.78.054001
Citations: PlumX Metrics

2008JA10      Eur.Phys.J. A 37, 1 (2008)

P.Janssens, L.Doria, P.Achenbach, C.Ayerbe Gayoso, D.Baumann, J.C.Bernauer, I.K.Bensafa, R.Bohm, D.Bosnar, E.Burtin, N.D'Hose, X.Defay, M.Ding, M.O.Distler, H.Fonvieille, J.Friedrich, J.M.Friedrich, G.Laveissiere, M.Makek, J.Marroncle, H.Merkel, U.Muller, L.Nungesser, B.Pasquini, J.Pochodzalla, O.Postavaru, M.Potokar, D.Ryckbosch, S.Sanchez Majos, B.S.Schlimme, M.Seimetz, S.Sirca, G.Tamas, R.Van de Vyver, L.Van Hoorebeke, A.Van Overloop, Th.Walcher, M.Weinriefer

A new measurement of the structure functions P_LL - P_TT/ε and P_LT in virtual Compton scattering at Q² = 0.33 (GeV/c)²

NUCLEAR REACTIONS ¹H(polarized e, e'γ), E=854.6 MeV; measured electron, proton and missing mass spectra; deduced unpolarized σ, structure functions.

doi: 10.1140/epja/i2008-10609-3
Citations: PlumX Metrics

2008MI26      Few-Body Systems 44, 171 (2008)

D.G.Middleton, J.R.M.Annand, M.A.Antelo, C.Ayerbe, P.Barneo, D.Baumann, J.Bermuth, J.Bernauer, H.P.Blok, R.Bohm, D.Bosnar, M.Ding, M.O.Distler, J.Friedrich, J.Garcia Llongo, D.I.Glazier, P.Grabmayr, T.Hehl, J.Heim, W.H.A.Hesselink, E.Jans, G.J.Manas, M.Kohl, L.Lapikas, I.J.D.MacGregor, I.Martin, J.C.McGeorge, H.Merkel, P.Merle, K.Monstad, F.Moschini, U.Muller, R.Perez Benito, Th.Pospischil, M.Potokar, G.Rosner, M.Seimitz, H.de Vries, Th.Walcher, D.P.Watts, M.Weinriefer, M.Weiss, B.Zihlmann

³He(e, e'pp) and ³He(e, e'pn) reactions at AmPS and MAMI

NUCLEAR REACTIONS ³He(e, e'2p), (e, e'np), E not given; measured cross sections.

doi: 10.1007/s00601-008-0283-x
Citations: PlumX Metrics

2008SP05      Phys.Rev. C 78, 018201 (2008)

N.F.Sparveris, P.Achenbach, C.Ayerbe Gayoso, D.Baumann, J.Bernauer, A.M.Bernstein, R.Bohm, D.Bosnar, T.Botto, A.Christopoulou, D.Dale, M.Ding, M.O.Distler, L.Doria, J.Friedrich, A.Karabarbounis, M.Makek, H.Merkel, U.Muller, I.Nakagawa, R.Neuhausen, L.Nungesser, C.N.Papanicolas, B.Pasquini, A.Piegsa, J.Pochodzalla, M.Potokar, M.Seimetz, S.Sirca, S.Stave, S.Stiliaris, Th.Walcher, M.Weis

Virtual Compton scattering measurements in the γ^* N → Δ transition

NUCLEAR REACTIONS ¹H(e, e'p), E=855 MeV; measured virtual Compton scattering σ, missing mass spectra; deduced magnetic dipole amplitude.

doi: 10.1103/PhysRevC.78.018201
Citations: PlumX Metrics

2008ST16      Phys.Rev. C 78, 025209 (2008)

S.Stave, N.Sparveris, M.O.Distler, I.Nakagawa, P.Achenbach, C.Ayerbe Gayoso, D.Baumann, J.Bernauer, A.M.Bernstein, R.Bohm, D.Bosnar, T.Botto, A.Christopoulou, D.Dale, M.Ding, L.Doria, J.Friedrich, A.Karabarbounis, M.Makek, H.Merkel, U.Muller, R.Neuhausen, L.Nungesser, C.N.Papanicolas, A.Piegsa, J.Pochodzalla, M.Potokar, M.Seimetz, S.Sirca, S.Stiliaris, Th.Walcher, M.Weis, for the A1 Collaboration

Measurements of the γ^*p → Δ reaction at low Q²: Probing the mesonic contribution

NUCLEAR REACTIONS p(polarized e, e'p)π, E=705, 795, 855 MeV; measured σ, σ(θ).Comparison with model calculations.

doi: 10.1103/PhysRevC.78.025209
Citations: PlumX Metrics

2008WE11      Eur.Phys.J. A 38, 27 (2008)

M.Weis, P.Bartsch, D.Baumann, J.Bermuth, A.M.Bernstein, K.Bohinc, R.Bohm, M.Ding, M.O.Distler, I.Ewald, J.M.Friedrich, J.Friedrich, M.Kahrau, M.Kohl, K.W.Krygier, A.Liesenfeld, H.Merkel, P.Merle, U.Muller, R.Neuhausen, M.M.Pavan, Th.Pospischil, M.Potokar, G.Rosner, H.Schmieden, M.Seimetz, S.Sirca, A.Wagner, Th.Walcher, for The A1 Collaboration

Separated cross-sections in π⁰ electroproduction at threshold at Q² = 0.05 GeV²/c²

NUCLEAR REACTIONS ¹H(e, e'p), E=854.49 MeV; measured neutral pion production σ(θ), missing mass spectra. ¹H(polarized e, e'p), E=854.49 MeV; measured beam helicity asymmetry. Comparison with model calculations.

doi: 10.1140/epja/i2008-10644-6
Citations: PlumX Metrics

2007BE55      Eur.Phys.J. A 32, 69 (2007)

I.K.Bensafa, P.Achenbach, M.A.Antelo, C.Ayerbe, D.Baumann, R.Bohm, D.Bosnar, E.Burtin, X.Defay, N.D'Hose, M.Ding, M.O.Distler, L.Doria, H.Fonvieille, J.M.Friedrich, J.Friedrich, J.Garcia Llongo, P.Janssens, G.J.Manas, M.Kohl, G.Laveissiere, M.Lloyd, M.Makek, J.Marroncle, H.Merkel, P.Merle, U.Muller, L.Nungesser, B.Pasquini, R.Perez Benito, J.Pochodzalla, M.Potokar, G.Rosner, S.Sanchez Majos, M.Seimetz, S.Sirca, T.Spitzenberg, G.Tamas, R.Van de Vyver, L.Van Hoorebeke, Th.Walcher, M.Weis

Beam-helicity asymmetry in photon and pion electroproduction in the Δ (1232)-resonance region at Q² = 0.35(GeV/c)²

doi: 10.1140/epja/i2006-10277-3
Citations: PlumX Metrics

2007ME24      Phys.Rev.Lett. 99, 132301 (2007)

H.Merkel, P.Achenbach, C.Ayerbe Gayoso, J.C.Bernauer, R.Bohm, D.Bosnar, B.Cheymol, M.O.Distler, L.Doria, H.Fonvieille, J.Friedrich, P.Janssens, M.Makek, U.Muller, L.Nungesser, J.Pochodzalla, M.Potokar, S.Sanchez Majos, B.S.Schlimme, S.Sirca, L.Tiator, Th.Walcher, M.Weinriefer, for the A1 Collaboration

Recoil Polarization and Beam-Recoil Double Polarization Measurement of η Electroproduction on the Proton in the Region of the S₁₁(1535) Resonance

doi: 10.1103/PhysRevLett.99.132301
Citations: PlumX Metrics

2007SP06      Phys.Lett. B 651, 102 (2007)

N.F.Sparveris, P.Achenbach, C.Ayerbe Gayoso, D.Baumann, J.Bernauer, A.M.Bernstein, R.Bohm, D.Bosnar, T.Botto, A.Christopoulou, D.Dale, M.Ding, M.O.Distler, L.Doria, J.Friedrich, A.Karabarbounis, M.Makek, H.Merkel, U.Muller, I.Nakagawa, R.Neuhausen, L.Nungesser, C.N.Papanicolas, A.Piegsa, J.Pochodzalla, M.Potokar, M.Seimetz, S.Sirca, S.Stave, S.Stiliaris, Th.Walcher, M.Weis

Determination of quadrupole strengths in the γ^*p → Δ(1232) transition at Q² = 0.20 (GeV/c)²

doi: 10.1016/j.physletb.2007.04.056
Citations: PlumX Metrics

2006EL02      Eur.Phys.J. A 27, 91 (2006)

D.Elsner, A.Sule, P.Barneo, P.Bartsch, D.Baumann, J.Bermuth, R.Bohm, D.Bosnar, M.Ding, M.Distler, D.Drechsel, I.Ewald, J.Friedrich, J.M.Friedrich, S.Grozinger, P.Jennewein, S.Kamalov, F.H.Klein, M.Kohl, K.W.Krygier, H.Merkel, P.Merle, U.Muller, R.Neuhausen, Th.Pospischil, M.Potokar, G.Rosner, H.Schmieden, M.Seimetz, O.Strahle, L.Tiator, Th.Walcher, M.Weis

Measurement of the LT-asymmetry in π⁰ electroproduction at the energy of the Δ(1232)-resonance

NUCLEAR REACTIONS ¹H(polarized e, e'π⁰), E=855 MeV; measured longitudinal-transverse asymmetry at forward and backward angles; deduced multipole ratios. Comparison with model predictions and other data.

doi: 10.1140/epja/i2005-10212-2
Citations: PlumX Metrics

2006MI22      Eur.Phys.J. A 29, 261 (2006); Erratum Eur.Phys.J. A 30, 469 (2006)

D.G.Middleton, J.R.M.Annand, C.Barbieri, P.Barneo, P.Bartsch, D.Baumann, J.Bermuth, D.Bosnar, H.P.Blok, R.Bohm, M.Ding, M.O.Distler, D.Elsner, J.Friedrich, C.Giusti, D.I.Glazier, P.Grabmayr, S.Grozinger, T.Hehl, J.Heim, W.H.A.Hesselink, E.Jans, F.Klein, M.Kohl, L.Lapikas, I.J.D.MacGregor, I.Martin, J.C.McGeorge, H.Merkel, P.Merle, F.Moschini, U.Muller, Th.Pospischil, G.Rosner, H.Schmieden, M.Seimetz, A.Sule, H.de Vries, Th.Walcher, D.P.Watts, M.Weis, B.Zihlmann

First measurements of the ¹⁶O(e, e'pn)¹⁴N reaction

NUCLEAR REACTIONS ²H, ¹⁶O(e, e'np), E=855 MeV; measured particle spectra. ¹⁴N deduced excited states.

doi: 10.1140/epja/i2005-10314-9
Citations: PlumX Metrics

2005GL03      Eur.Phys.J. A 24, 101 (2005)

D.I.Glazier, M.Seimetz, J.R.M.Annand, H.Arenhovel, M.A.Antelo, C.Ayerbe, P.Bartsch, D.Baumann, J.Bermuth, R.Bohm, D.Bosnar, M.Ding, M.O.Distler, D.Elsner, J.Friedrich, S.Hedicke, P.Jennewein, G.J.Manas, F.H.Klein, F.Klein, M.Kohl, K.W.Krygier, K.Livingston, I.J.D.MacGregor, M.Makek, H.Merkel, P.Merle, D.Middleton, U.Muller, R.Neuhausen, L.Nungesser, M.Ostrick, R.Perez Benito, J.Pochodzalla, Th.Pospischil, M.Potokar, A.Reiter, G.Rosner, J.Sanner, H.Schmieden, A.Sule, Th.Walcher, D.P.Watts, M.Weis, and the A1 Collaboration

Measurement of the electric form factor of the neutron at Q² = 0.3-0.8 (GeV/c)²

NUCLEAR REACTIONS ²H(polarized e, e'n), E=660, 855, 883 MeV; measured asymmetry, polarization transfer. ¹n deduced electric form factor.

doi: 10.1140/epja/i2004-10115-8
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2004AN27      Eur.Phys.J. A 22, 449 (2004)

K.A.Aniol, M.B.Epstein, E.Gama, D.J.Margaziotis, W.Bertozzi, J.P.Chen, D.Dale, R.E.J.Florizone, S.Gilad, A.J.Sarty, J.A.Templon, S.P.Van Verst, J.Zhao, Z.-L.Zhou, P.Bartsch, W.U.Boeglin, R.Boehm, M.O.Distler, I.Ewald, J.M.Friedrich, J.M.Friedrich, R.Geiges, P.Jennewein, M.Kahrau, K.W.Krygier, A.Liesenfeld, H.Merkel, K.Merle, U.Muller, R.Neuhausen, E.A.J.M.Offermann, Th.Pospischil, G.Rosner, H.Schmieden, A.Wagner, Th.Walcher, M.Kuss, A.Richter, G.Schrieder, K.Bohinc, M.Potokar, S.Sirca, J.M.Udias, J.R.Vignote, R.Schiavilla

Measurement of R_LT and A_TL in the ⁴He(e, e'p)³H reaction at p_miss of 130-300 MeV/c

NUCLEAR REACTIONS ⁴He(e, e'p), E=675, 855 MeV; measured σ(E, θ), transverse-longitudinal asymmetry, response function. Comparison with model predictions.

doi: 10.1140/epja/i2004-10040-x
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2003BE39      Phys.Lett. B 564, 199 (2003)

J.Bermuth, P.Merle, C.Carasco, D.Baumann, R.Bohm, D.Bosnar, M.Ding, M.O.Distler, J.Friedrich, J.M.Friedrich, J.Golak, W.Glockle, M.Hauger, W.Heil, P.Jennewein, J.Jourdan, H.Kamada, A.Klein, M.Kohl, B.Krusche, K.W.Krygier, H.Merkel, U.Muller, R.Neuhausen, A.Nogga, Ch.Normand, E.Otten, Th.Pospischil, M.Potokar, D.Rohe, H.Schmieden, J.Schmiedeskamp, M.Seimetz, I.Sick, S.Sirca, R.Skibinski, G.Testa, Th.Walcher, G.Warren, M.Weis, H.Witala, H.Wohrle, M.Zeier

The neutron charge from factor and target analyzing powers from ³He(pol)(e(pol), e'n) scattering

NUCLEAR REACTIONS ³He(polarized e, e'n), E=854.5 MeV; measured particle spectra, asymmetries, analyzing power; deduced final state interaction effects. ¹n deduced charge form factor. Polarized target.

doi: 10.1016/S0370-2693(03)00725-1
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2003CA09      Phys.Lett. B 559, 41 (2003)

C.Carasco, J.Bermuth, P.Merle, P.Bartsch, D.Baumann, R.Bohm, D.Bosnar, M.Ding, M.O.Distler, J.Friedrich, J.M.Friedrich, J.Golak, W.Glockle, M.Hauger, W.Heil, P.Jennewein, J.Jourdan, H.Kamada, A.Klein, M.Kohl, K.W.Krygier, H.Merkel, U.Muller, R.Neuhausen, A.Nogga, Ch.Normand, E.Otten, Th.Pospischil, M.Potokar, D.Rohe, H.Schmieden, J.Schmiedeskamp, M.Seimetz, I.Sick, S.Sirca, R.Skibinski, G.Testa, Th.Walcher, G.Warren, M.Weis, H.Witala, H.Wohrle, M.Zeier

Final state interaction effects in ³He(pol)(e(pol), e'p)

NUCLEAR REACTIONS ³He(polarized e, e'p), E=854.5 MeV; measured Ep, σ(θ), asymmetries; deduced final-state interaction effects. Polarized target, comparison with model predictions.

doi: 10.1016/S0370-2693(03)00306-X
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2003KO32      Phys.Rev. C 67, 065204 (2003)

M.Kohl, M.A.Antelo, C.Ayerbe, D.Baumann, R.Bohm, D.Bosnar, M.Ding, M.O.Distler, J.Friedrich, J.Garcia Llongo, P.Jennewein, G.J.Manas, H.Merkel, P.Merle, U.Muller, R.Neuhausen, L.Nungesser, R.Perez Benito, J.Pochodzalla, M.Potokar, C.Rangacharyulu, A.Richter, G.Schrieder, M.Seimetz, Th.Walcher, M.Weis

Search for narrow nucleon resonances below pion threshold in the H(e, e'π⁺)X and ²H(e, e'p)X reactions

NUCLEAR REACTIONS ¹H(e, e'π⁺X), E=660, 855 MeV; ²H(e, e'pX), E=660, 883 MeV; measured missing mass spectra; deduced nucleon resonance features.

doi: 10.1103/PhysRevC.67.065204
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2002BA34      Phys.Rev.Lett. 88, 142001 (2002)

P.Bartsch, D.Baumann, J.Bermuth, R.Bohm, K.Bohinc, D.Bosnar, M.Ding, M.Distler, D.Drechsel, D.Elsner, I.Ewald, J.Friedrich, J.M.Friedrich, S.Grozinger, S.Hedicke, P.Jennewein, M.Kahrau, S.S.Kamalov, F.Klein, K.W.Krygier, A.Liesenfeld, H.Merkel, P.Merle, U.Muller, R.Neuhausen, Th.Pospischil, M.Potokar, G.Rosner, H.Schmieden, M.Seimetz, A.Sule, L.Tiator, A.Wagner, Th.Walcher, M.Weis

Measurement of the Beam-Helicity Asymmetry in the p(e(pol), e'p)π⁰ Reaction at the Energy of the Δ(1232) Resonance

NUCLEAR REACTIONS ¹H(polarized e, e'π⁰), (polarized e, e'pX), E=854.5 MeV; measured missing mass, beam-helicity asymmetry. Comparison with model predictions.

doi: 10.1103/PhysRevLett.88.142001
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2002KO16      Phys.Lett. 530B, 67 (2002)

M.Kohl, P.Bartsch, D.Baumann, J.Bermuth, R.Bohm, K.Bohinc, S.Derber, M.Ding, M.O.Distler, I.Ewald, J.Friedrich, J.M.Friedrich, P.Jennewein, M.Kahrau, S.S.Kamalov, A.Kozlov, K.W.Krygier, M.Kuss, A.Liesenfeld, H.Merkel, P.Merle, U.Muller, R.Neuhausen, Th.Pospischil, M.Potokar, C.Rangacharyulu, A.Richter, D.Rohe, G.Rosner, H.Schmieden, G.Schrieder, M.Seimetz, S.Sirca, T.Suda, L.Tiator, M.Urban, A.Wagner, Th.Walcher, J.Wambach, M.Weis, A.Wirzba

Self Energies of the Pion and the Δ Isobar from the ³He(e, e'π⁺)³H Reaction

NUCLEAR REACTIONS ³He(e, e'π⁺), E=855 MeV; measured σ(θ, E), longitudinal and transverse σ(θ); deduced reduction in π⁺ mass. Chiral Perturbation Theory.

doi: 10.1016/S0370-2693(02)01345-X
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2002KU01      Phys.Lett. 524B, 26 (2002)

G.Kubon, H.Anklin, P.Bartsch, D.Baumann, W.U.Boeglin, K.Bohinc, R.Bohm, M.O.Distler, I.Ewald, J.Friedrich, J.M.Friedrich, M.Hauger, A.Honegger, P.Jennewein, J.Jourdan, M.Kahrau, K.W.Krygier, A.Liesenfeld, H.Merkel, U.Muller, R.Neuhausen, Ch.Normand, Th.Petitjean, Th.Pospischil, M.Potokar, D.Rohe, G.Rosner, H.Schmieden, I.Sick, S.Sirca, Ph.Trueb, A.Wagner, Th.Walcher, G.Warren, M.Weis, H.Wohrle, M.Zeier, J.Zhao, B.Zihlmann

Precise Neutron Magnetic Form Factors

NUCLEAR REACTIONS ²H(e, e'p), (e, e'n), E=555, 600, 855 MeV; measured relative σ(Q²). ¹n deduced magnetic form factors.

doi: 10.1016/S0370-2693(01)01386-7
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2001DI06      Phys.Lett. 500B, 47 (2001)

S.Dieterich, P.Bartsch, D.Baumann, J.Bermuth, K.Bohinc, R.Bohm, D.Bosnar, S.Derber, M.Ding, M.Distler, I.Ewald, J.Friedrich, J.M.Friedrich, R.Gilman, C.Glashausser, M.Hauger, P.Jennewein, J.Jourdan, J.J.Kelly, M.Kohl, A.Kozlov, K.W.Krygier, G.Kumbartzki, J.Lac, A.Liesenfeld, H.Merkel, U.Muller, R.Neuhausen, Th.Pospischil, R.D.Ransome, D.Rohe, G.Rosner, H.Schmieden, M.Seimetz, I.Sick, S.Strauch, J.M.Udias, J.R.Vignote, A.Wagner, Th.Walcher, G.Warren, M.Weis

Polarization Transfer in the ⁴He((pol)e, e'p(pol))³H Reaction

NUCLEAR REACTIONS ⁴He(polarized e, e'p), E=854.5 MeV; measured polarization transfer vs missing momentum. Comparison with model predictions.

doi: 10.1016/S0370-2693(01)00052-1
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2001EW01      Phys.Lett. 499B, 238 (2001)

I.Ewald, P.Bartsch, D.Baumann, J.Bermuth, A.M.Bernstein, K.Bohinc, R.Bohm, N.Clawiter, S.Derber, M.Ding, M.O.Distler, J.Friedrich, J.M.Friedrich, M.Kahrau, M.Kohl, A.Kozlov, K.W.Krygier, A.Liesenfeld, H.Merkel, P.Merle, U.Muller, R.Neuhausen, M.Pavan, Th.Pospischil, M.Potokar, D.Rohe, G.Rosner, H.Schmieden, S.Sirca, A.Wagner, Th.Walcher, M.Weis

Coherent π⁰ Threshold Production from the Deuteron at Q² = 0.1 GeV²/c²

NUCLEAR REACTIONS ²H(e, e'π⁰), E=345, 435, 720 MeV; measured missing mass distributions, σ(θ), σ; deduced partial wave contributions. Comparison with Chiral Perturbation theory.

doi: 10.1016/S0370-2693(00)01396-4
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2001KO24      Nucl.Phys. A684, 460c (2001)

A.Kozlov, K.A.Aniol, P.Bartsch, D.Baumann, W.Bertozzi, R.Bohm, K.Bohinc, J.P.Chen, D.Dale, L.Dennis, S.Derber, M.Ding, M.O.Distler, P.Dragovitsch, I.Ewald, K.G.Fissum, R.E.J.Florizone, J.Friedrich, J.M.Friedrich, R.Geiges, S.Gilad, P.Jennewein, M.Kahrau, M.Kohl, K.W.Krygier, A.Liesenfeld, D.J.Margaziotis, H.Merkel, P.Merle, U.Muller, R.Neuhausen, T.Pospischil, G.Riccardi, R.Roche, G.Rosner, D.Rowntree, A.J.Sarty, H.Schmieden, S.Sirca, J.A.Templon, M.N.Thompson, A.Wagner, Th.Walcher, M.Weis, J.Zhao, Z.Zhou

The Longitudinal and Transverse Response of the ⁴He(e, e'p) Reaction in the Dip Region

NUCLEAR REACTIONS ⁴He(e, e'p), E=570, 675, 855 MeV; measured σ(E, θ), momentum distributions; deduced reaction mechanism features.

doi: 10.1016/S0375-9474(01)00504-8
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2001PO08      Phys.Rev.Lett. 86, 2959 (2001)

Th.Pospischil, P.Bartsch, D.Baumann, J.Bermuth, R.Bohm, K.Bohinc, S.Derber, M.Ding, M.Distler, D.Drechsel, D.Elsner, I.Ewald, J.Friedrich, J.M.Friedrich, R.Geiges, S.Hedicke, P.Jennewein, M.Kahrau, S.S.Kamalov, F.Klein, K.W.Krygier, J.Lac, A.Liesenfeld, J.McIntyre, H.Merkel, P.Merle, U.Muller, R.Neuhausen, M.Potokar, R.D.Ransome, D.Rohe, G.Rosner, H.Schmieden, M.Seimetz, S.Sirca, I.Sick, A.Sule, L.Tiator, A.Wagner, Th.Walcher, G.A.Warren, M.Weis

Measurement of the Recoil Polarization in the p(e(pol), e'p(pol)π⁰ Reaction at the Δ(1232) Resonance

NUCLEAR REACTIONS ¹H(polarized e, e'π⁰), E=854.4 MeV; measured recoil proton polarization components; deduced Coulomb quadrupole to magnetic dipole ratio. Mainz unitary isobar model.

doi: 10.1103/PhysRevLett.86.2959
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2001PO27      Eur.Phys.J. A 12, 125 (2001)

Th.Pospischil, P.Bartsch, D.Baumann, R.Bohm, K.Bohinc, M.Ding, S.Derber, M.O.Distler, D.Elsner, I.Ewald, J.Friedrich, J.M.Friedrich, S.Grozinger, S.Hedicke, P.Jennewein, J.Jourdan, M.Kahrau, F.Klein, K.W.Krygier, J.Lac, A.Liesenfeld, S.Malov, J.McIntyre, H.Merkel, P.Merle, U.Muller, R.Neuhausen, M.Potokar, R.D.Ransome, D.Rohe, G.Rosner, J.Sanner, H.Schmieden, M.Seimetz, S.Sirca, I.Sick, O.Strahle, A.Sule, A.Wagner, Th.Walcher, M.Weis

Measurement of G_Ep/G_Mp via Polarization Transfer at Q² = 0.4 GeV/c²

NUCLEAR REACTIONS ¹H(polarized e, e), E=854.4 MeV; measured polarization transfer; deduced form factor ratio.

doi: 10.1007/s100500170046
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2000FR07      Nucl.Phys. A663-664, 389c (2000)

J.M.Friedrich, P.Bartsch, D.Baumann, J.Berthot, P.Y.Bertin, V.Breton, W.U.Boeglin, R.Bohm, N.d'Hose, T.Caprano, S.Derber, N.Degrande, M.Ding, M.O.Distler, J.E.Ducret, R.Edelhoff, I.Ewald, H.Fonvieille, J.Friedrich, R.Geiges, Th.Gousset, P.A.M.Guichon, H.Holvoet, Ch.Hyde-Wright, P.Jennewein, M.Kahrau, S.Kerhoas, M.Korn, H.Kramer, K.W.Krygier, V.Kunde, B.Lannoy, D.Lhuillier, A.Liesenfeld, C.Marchand, D.Marchand, J.Martino, H.Merkel, K.Merle, P.Merle, G.De Meyer, J.Mougey, R.Neuhausen, E.Offermann, Th.Pospischil, G.Quemener, O.Ravel, Y.Roblin, J.Roche, D.Rohe, G.Rosner, D.Ryckbosch, P.Sauer, H.Schmieden, S.Schardt, G.Tamas, M.Tytgat, M.Vanderhaeghen, L.Van Hoorebeke, R.Van de Vyver, J.Van de Wiele, P.Vernin, A.Wagner, Th.Walcher

The First Dedicated Virtual Compton Scattering Experiment at MAMI

NUCLEAR REACTIONS ¹H(e, e'γ), E not given; measured ep-coin, σ(E, θ(e), θ(p)); deduced structure function.

doi: 10.1016/S0375-9474(99)00624-7
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2000RO21      Phys.Rev.Lett. 85, 708 (2000)

J.Roche, J.M.Friedrich, D.Lhuillier, P.Bartsch, D.Baumann, J.Berthot, P.Y.Bertin, V.Breton, W.U.Boeglin, R.Bohm, N.D'Hose, S.Derber, N.Degrande, M.Ding, M.O.Distler, J.E.Ducret, I.Ewald, H.Fonvieille, J.Friedrich, P.A.M.Guichon, H.Holvoet, Ch.E.Hyde-Wright, P.Jennewein, M.Kahrau, S.Kerhoas, K.W.Krygier, B.Lannoy, A.Liesenfeld, C.Marchand, D.Marchand, J.Marroncle, J.Martino, H.Merkel, P.Merle, G.De Meyer, J.Mougey, U.Muller, R.Neuhausen, Th.Pospischil, G.Quemener, O.Ravel, Y.Roblin, D.Rohe, G.Rosner, D.Ryckbosch, H.Schmieden, G.Tamas, M.Tytgat, M.Vanderhaeghen, L.Van Hoorebeke, R.Van de Vyver, J.Van de Wiele, P.Vernin, A.Wagner, Th.Walcher, M.Weiss

First Determination of Generalized Polarizabilities of the Proton by a Virtual Compton Scattering Experiment

NUCLEAR REACTIONS ¹H(polarized e, e'γ), E=855 MeV; measured σ(E, θ(e), θ(p)). ¹H deduced dynamic structure functions, generalized polarizibilities. High-resolution spectrometers, virtual Compton scattering.

doi: 10.1103/PhysRevLett.85.708
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1999BA31      Eur.Phys.J. A 4, 209 (1999)

P.Bartsch, D.Baumann, J.Bermuth, K.Bohinc, R.Bohm, D.Bosnar, N.Clawiter, S.Derber, M.Ding, M.O.Distler, A.Ebbes, I.Ewald, J.M.Friedrich, J.Friedrich, P.Jennewein, M.Kahrau, M.Kohl, A.Kozlov, K.W.Krygier, M.Kuss, A.Liesenfeld, H.Merkel, K.Merle, U.Muller, R.Neuhausen, T.Pospischil, M.Potokar, D.Rohe, G.Rosner, H.Schmieden, S.Sirca, A.Wagner, T.Walcher, M.Weis, S.Wolf

Evidence for Narrow Δ⁰(1232) States in the ¹²C(e, e'pπ^-)¹¹C Reaction

NUCLEAR REACTIONS ¹²C(e, e'pπ^-), E=600, 855 MeV; measured missing momentum, excitation energy spectra. ¹²C deduced bound Δ⁰ resonance states, widths. Triple coincidence measurement. Weak coupling model analysis.

doi: 10.1007/s100500050220
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1999FL02      Phys.Rev.Lett. 83, 2308 (1999)

R.E.J.Florizone, W.Bertozzi, J.P.Chen, D.Dale, S.Gilad, A.J.Sarty, J.A.Templon, S.P.Van Verst, J.Zhao, Z.-L.Zhou, P.Bartsch, W.U.Boeglin, R.Bohm, M.O.Distler, I.Ewald, J.Friedrich, J.M.Friedrich, R.Geiges, P.Jennewein, M.Kahrau, K.W.Krygier, A.Liesenfeld, H.Merkel, K.Merle, U.Muller, R.Neuhausen, E.A.J.M.Offermann, Th.Pospischil, G.Rosner, H.Schmieden, A.Wagner, Th.Walcher, K.A.Aniol, M.B.Epstein, D.J.Margaziotis, M.Kuss, A.Richter, G.Schrieder, K.Bohinc, M.Potokar, S.Sirca

High-Precision Studies of the ³He(e, e'p) Reaction at the Quasielastic Peak

NUCLEAR REACTIONS ³He(e, e'p), E=540, 675, 855 MeV; measured σ(E, θ(p), θ(e)); deduced two-body-breakup, continuum momentum distributions. Quasielastic kinematics.

doi: 10.1103/PhysRevLett.83.2308
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1999LI41      Phys.Lett. 468B, 20 (1999)

A.Liesenfeld, A.W.Richter, S.Sirca, K.I.Blomqvist, W.U.Boeglin, K.Bohinc, R.Bohm, M.Distler, D.Drechsel, R.Edelhoff, I.Ewald, J.Friedrich, J.M.Friedrich, R.Geiges, M.Kahrau, M.Korn, K.W.Krygier, V.Kunde, H.Merkel, K.Merle, U.Muller, R.Neuhausen, T.Pospischil, M.Potokar, A.Rokavec, G.Rosner, P.Sauer, S.Schardt, H.Schmieden, L.Tiator, B.Vodenik, A.Wagner, Th.Walcher, S.Wolf

A Measurement of the Axial Form Factor of the Nucleon by the p(e, e'π⁺)n Reaction at W = 1125 MeV

NUCLEAR REACTIONS ¹H(e, e'π⁺), E=405-855 MeV; measured longitudinal, transverse σ(θ); deduced axial mass parameter. Effective Lagrangian model.

doi: 10.1016/S0370-2693(99)01204-6
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1999RO19      Phys.Rev.Lett. 83, 4257 (1999)

D.Rohe, P.Bartsch, D.Baumann, J.Becker, J.Bermuth, K.Bohinc, R.Bohm, S.Buttazzoni, T.Caprano, N.Clawiter, A.Deninger, S.Derber, M.Ding, M.Distler, A.Ebbes, M.Ebert, I.Ewald, J.Friedrich, J.M.Friedrich, R.Geiges, T.Grossmann, M.Hauger, W.Heil, A.Honegger, P.Jennewein, J.Jourdan, M.Kahrau, A.Klein, M.Kohl, K.W.Krygier, G.Kubon, A.Liesenfeld, H.Merkel, K.Merle, P.Merle, M.Muhlbauer, U.Muller, R.Neuhausen, E.W.Otten, Th.Petitjean, Th.Pospischil, M.Potokar, G.Rosner, H.Schmieden, I.Sick, S.Sirca, R.Surkau, A.Wagner, Th.Walcher, G.Warren, M.Weis, H.Wohrle, M.Zeier

Measurement of the Neutron Electric Form Factor G_en at 0.67 (GeV/c)2 via ³He(pol)(e(pol), e'n)

NUCLEAR REACTIONS ³He(polarized e, e'n), E=854 MeV; measured electron spectra, neutron spectra, asymmetries. ¹n deduced electric form factor. Polarized target.

doi: 10.1103/PhysRevLett.83.4257
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1999RO30      Nucl.Phys. (Supplement) A654, 547c (1999)

J.Roche, P.Bartsch, J.Berthot, P.Y.Bertin, V.Breton, W.U.Boeglin, R.Bohm, N.d'Hose, T.Caprano, S.Derber, N.Degrande, M.Distler, J.E.Ducret, R.Edelhoff, I.Ewald, H.Fonvieille, J.Friedrich, J.M.Friedrich, R.Geiges, Th.Gousset, P.A.M.Guichon, H.Holvoet, Ch.Hyde-Wright, P.Jennewein, M.Kahrau, S.Kerhoas, M.Korn, H.Kramer, K.W.Krygier, V.Kunde, B.Lannoy, D.Lhuillier, A.Liesenfeld, C.Marchand, D.Marchand, J.Martino, H.Merkel, K.Merle, P.Merle, G.De Meyer, J.Mougey, R.Neuhausen, E.Offermann, Th.Pospischil, G.Quemener, O.Ravel, Y.Roblin, G.Rosner, D.Ryckbosch, P.Sauer, H.Schmieden, S.Schardt, G.Tamas, M.Tytgat, M.Vanderhaeghen, L.Van Hoorebeke, R.Van de Vyver, J.Van de Wiele, P.Vernin, A.Wagner, Th.Walcher, S.Wolf

Virtual Compton Scattering Under π⁰ Threshold at Q² = 0.33 GeV². Preliminary Results.

NUCLEAR REACTIONS ¹H(e, e'γ), E=750-855 MeV; measured ep-coin, photon polarization, σ(θ). Virtual Compton scattering.

doi: 10.1016/S0375-9474(00)88498-5
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1998AN13      Phys.Lett. 428B, 248 (1998)

H.Anklin, L.J.deBever, K.I.Blomqvist, W.U.Boeglin, R.Bohm, M.Distler, R.Edelhoff, J.Friedrich, D.Fritschi, R.Geiges, J.Gotz, A.Honegger, P.Jennewein, J.Jourdan, M.Kahrau, M.Korn, H.Kramer, K.W.Krygier, G.Kubon, V.Kunde, A.Liesenfeld, G.Masson, K.Merle, R.Neuhausen, E.A.J.M.Offermann, Th.Petitjean, Th.Pospischil, M.Potokar, L.M.Qin, A.W.Richter, A.Rokavec, G.Rosner, P.Sauer, S.Schardt, I.Sick, S.Sirca, Ph.Trueb, M.Tuccillo, B.Vodenik, A.Wagner, Th.Walcher, G.Warren, S.Wolf, J.Zhao, M.Zeier, B.Zihlmann

Precise Measurements of the Neutron Magnetic Form Factor

NUCLEAR REACTIONS ²H(e, e'p), (e, e'n), E not given; measured σ ratios vs momentum transfer; deduced neutron magnetic form factor G(mn).

doi: 10.1016/S0370-2693(98)00442-0
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1998BL06      Phys.Lett. 421B, 71 (1998)

K.I.Blomqvist, W.U.Boeglin, R.Bohm, M.Distler, R.Edelhoff, J.Friedrich, R.Geiges, M.K.Jones, M.Kahrau, M.Korn, H.Kramer, K.W.Krygier, V.Kunde, M.Kuss, A.Liesenfeld, K.Merle, C.L.Morris, R.Neuhausen, E.A.J.M.Offermann, Th.Pospischil, M.Potokar, R.D.Ransome, A.W.Richter, B.G.Ritchie, A.Rokavec, G.Rosner, J.Ryckebusch, P.Sauer, S.Schardt, B.Vodenik, A.Wagner, Th.Walcher, S.Wolf, M.K.Yadav

Investigation of Short-Range Nucleon-Nucleon Correlations using the Reaction ¹²C(e, e'pp) in Close to 4π Geometry

NUCLEAR REACTIONS ¹²C(e, e'2p), E=705 MeV; measured nine-fold σ(E, θ), missing momentum spectra; deduced short-range nucleon-nucleon correlations.

doi: 10.1016/S0370-2693(98)00024-0
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1998BL07      Phys.Lett. 424B, 33 (1998)

K.I.Blomqvist, W.U.Boeglin, R.Bohm, M.Distler, R.Edelhoff, I.Ewald, R.Florizone, J.Friedrich, R.Geiges, J.Jourdan, M.Kahrau, M.Korn, H.Kramer, K.W.Krygier, V.Kunde, M.Kuss, A.Liesenfeld, K.Merle, R.Neuhausen, E.A.J.M.Offermann, Th.Pospischil, M.Potokar, A.W.Richter, A.Rokavec, G.Rosner, P.Sauer, S.Schardt, A.Serdarevic, B.Vodenik, I.Sick, S.Sirca, A.Wagner, Th.Walcher, S.Wolf

Large Recoil Momenta in the D(e, e'p)n Reaction

NUCLEAR REACTIONS ²H(e, e'p), E=855.11 MeV; measured σ(θ(e), θ(p)) vs missing momentum; deduced possible virtual nucleon excitation role. Model comparisons.

doi: 10.1016/S0370-2693(98)00151-8
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1998DI03      Phys.Rev.Lett. 80, 2294 (1998)

M.O.Distler, A.M.Bernstein, K.I.Blomqvist, W.U.Boeglin, R.Bohm, R.Edelhoff, J.Friedrich, R.Geiges, M.Kahrau, M.Korn, H.Kramer, K.W.Krygier, V.Kunde, M.Kuss, A.Liesenfeld, H.Merkel, K.Merle, R.Neuhausen, Th.Pospischil, M.Potokar, A.Rokavec, A.W.Richter, G.Rosner, P.Sauer, St.Schardt, H.Schmieden, S.Sirca, B.Vodenik, A.Wagner, Th.Walcher, St.Wolf

Measurement of Separated Structure Functions in the p(e, e'p)π⁰ Reaction at Threshold and Chiral Perturbation Theory

NUCLEAR REACTIONS ¹H(e, e'π⁰), E=435, 555, 855 MeV; measured pion σ(E, θ); deduced structure functions. Comparison with chiral perturbation theory calculations.

doi: 10.1103/PhysRevLett.80.2294
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1997BL13      Nucl.Phys. A626, 871 (1997)

K.I.Blomqvist, W.U.Boeglin, R.Bohm, M.Distler, R.Edelhoff, J.Friedrich, R.Geiges, M.Kahrau, S.Kamalov, M.Kirchbach, M.Kohl, M.Korn, H.Kramer, K.W.Krygier, V.Kunde, M.Kuss, J.M.Laget, A.Liesenfeld, K.Merle, R.Neuhausen, E.A.J.M.Offermann, Th.Pospischil, M.Potokar, C.Rangacharyulu, A.Richter, A.W.Richter, A.Rokavec, G.Rosner, P.Sauer, St.Schardt, G.Schrieder, T.Suda, L.Tiator, B.Vodenik, A.Wagner, Th.Walcher, St.Wolf

Pion Electroproduction in the ³He(e, e'π⁺)³H Reaction at Intermediate Energies

NUCLEAR REACTIONS ³He(e, e'π⁺), E=555-855 MeV; measured transverse, longitudinal σ(θ(π)); deduced transverse, longitudinal structure functions. Standard Born amplitudes for elementary pion production, three-body Fadeev wave functions.

doi: 10.1016/S0375-9474(97)00463-6
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1996BL02      Z.Phys. A353, 415 (1996)

K.I.Blomqvist, W.U.Boeglin, R.Bohm, M.Distler, D.Drechsel, R.Edelhoff, J.Friedrich, R.Geiges, O.Hanstein, M.Kahrau, M.Korn, H.Kramer, K.W.Krygier, V.Kunde, M.Kuss, A.Liesenfeld, K.Merle, R.Neuhausen, E.A.J.M.Offermann, Th.Pospischil, M.Potokar, A.Rokavec, A.W.Richter, G.Rosner, P.Sauer, S.Schardt, H.Schmieden, S.Sirca, L.Tiator, B.Vodenik, A.Wagner, Th.Walcher, S.Wolf

Precise Pion Electroproduction in the p(e, e'π⁺)n Reaction at W = 1125 MeV

NUCLEAR REACTIONS ¹H(e, e'π⁺), E(cm)=1125 MeV; measured missing energy spectra, coincidence, longitudinal σ, asymmetry; deduced longitudinal, transverse structure functions, interference term.

doi: 10.1007/BF01285153
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1996BL20      Phys.Rev.Lett. 77, 2396 (1996)

K.I.Blomqvist, W.U.Boeglin, R.Bohm, M.Distler, R.Edelhoff, J.Friedrich, R.Geiges, M.Kahrau, M.Korn, H.Kramer, K.W.Krygier, V.Kunde, M.Kuss, J.M.Laget, A.Liesenfeld, K.Merle, R.Neuhausen, E.A.J.M.Offermann, Th.Pospischil, M.Potokar, C.Rangacharyulu, A.Rokavec, A.Richter, A.W.Richter, G.Rosner, P.Sauer, St.Schardt, G.Schrieder, T.Suda, B.Vodenik, A.Wagner, Th.Walcher, St.Wolf

Forward-Angle ³He(e, e'π±) Coincident Electroproduction and the Search for Δ's in the Ground State of ³He

NUCLEAR REACTIONS ³He(e, e'π⁺), E=555-855 MeV; measured σ(θ(π)) vs missing mass; deduced preformed Δ⁺⁺ related features.

doi: 10.1103/PhysRevLett.77.2396
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1995BL02      Phys.Lett. 344B, 85 (1995)

K.I.Blomqvist, W.U.Boeglin, R.Bohm, M.Distler, R.Edelhoff, J.Friedrich, R.Geiges, M.Kahrau, M.Korn, H.Kramer, K.W.Krygier, V.Kunde, M.Kuss, J.Lac, A.Liesenfeld, K.Merle, R.Neuhausen, E.A.J.M.Offermann, Th.Pospischil, M.Potokar, A.W.Richter, A.Rokavec, G.Rosner, P.Sauer, S.Schardt, A.Serdarevic, Th.Veit, B.Vodenik, A.Wagner, Th.Walcher, S.Wolf

High-Momentum Components in the 1p Orbitals of ¹⁶O

NUCLEAR REACTIONS ¹⁶O(e, e'p), E=855 MeV; measured σ(E(e'), θ(e'), Ep, θp). ¹⁶O deduced proton momentum distribution. Natural target.

doi: 10.1016/0370-2693(94)01540-S
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1995BL10      Z.Phys. A351, 353 (1995)

K.I.Blomqvist, W.U.Boeglin, R.Bohm, M.Distler, R.Edelhoff, J.Friedrich, R.Geiges, M.Kahrau, M.Korn, H.Kramer, K.W.Krygier, V.Kunde, M.Kuss, J.Lac, A.Liesenfeld, K.Merle, R.Neuhausen, E.A.J.M.Offermann, Th.Pospischil, M.Potokar, A.W.Richter, A.Rokavec, G.Rosner, P.Sauer, S.Schardt, A.Serdarevic, Th.Veit, B.Vodenik, A.Wagner, Th.Walcher, S.Wolf

No Evidence for Medium Effects in the ¹²C(e, e'p)¹¹B(g.s.) Reaction

NUCLEAR REACTIONS ¹²C(e, e'p), E not given; measured distorted momentum distribution vs missing momentum; deduced spectroscopic factor for transition to ¹¹B(g.s). Parallel, anti-parallel kinenmatics.

doi: 10.1007/BF01291135
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1980KL07      Nucl.Phys. A350, 61 (1980)

W.Klinger, R.Bohm, W.Sandner, W.Witthuhn

Magnetic Moments of the Isomeric 11/2^- States in ^145,147,149Eu

NUCLEAR REACTIONS ^144,148Sm(d, n), E=11 MeV; ¹⁴⁷Sm(p, n), E=10 MeV; measured γ(θ, H, t). ^145,147,149Eu levels deduced g. Enriched targets.

doi: 10.1016/0375-9474(80)90388-7
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1979BO11      Z.Phys. A291, 49 (1979)

R.Bohm, W.Engel, S.Hoth, W.Klinger, W.Sandner, W.Witthuhn

The Magnetic Moment of the First Excited State in ¹³⁸La

NUCLEAR REACTIONS ¹³⁸Ba(p, n), E=10 MeV; measured γ(θ, H, t). ¹³⁸La level deduced g-factor. Knight shift, diamagnetic shield corrections. Configuration discussed.

1979KL02      Z.Phys. A290, 227 (1979)

W.Klinger, R.Bohm, W.Engel, W.Sandner, R.Seebock, W.Witthuhn

Magnetic Moments of the 11/2^- States in ^145,147,149Eu and Paramagnetism in the System EuSm

NUCLEAR REACTIONS ^144,148Sm(d, n), E=11 MeV; ¹⁴⁷Sm(p, n), E=10 MeV; measured γ(θ, H, t). ^145,147,149Eu levels deduced g factor; deduced paramagnetism of Eu-Sm system.

doi: 10.1007/BF01408118
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1976BO28      Z.Phys. A278, 133 (1976)

R.Bohm, R.Keitel, W.Klinger, W.Witthuhn, W.L.Randolph, E.Matthias

The Magnetic Moment of the First 2⁺ State in ²²Ne

NUCLEAR REACTIONS ⁴He(¹⁹F, ²²Ne), E=41.2 MeV; measured recoil ²²Ne, γ(t). ²²Ne level deduced g.