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NSR database version of April 11, 2024.

Search: Author = M.O.Distler

Found 46 matches.

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2023KE04      Phys.Rev.Lett. 130, 152502 (2023)

S.Kegel, P.Achenbach, S.Bacca, N.Barnea, J.Bericic, D.Bosnar, L.Correa, M.O.Distler, A.Esser, H.Fonvieille, I.Friscic, M.Heilig, P.Herrmann, M.Hoek, P.Klag, T.Kolar, W.Leidemann, H.Merkel, M.Mihovilovic, J.Muller, U.Muller, G.Orlandini, J.Pochodzalla, B.S.Schlimme, M.Schoth, F.Schulz, C.Sfienti, S.Sirca, R.Spreckels, Y.Stottinger, M.Thiel, A.Tyukin, T.Walcher, A.Weber

Measurement of the α-Particle Monopole Transition Form Factor Challenges Theory: A Low-Energy Puzzle for Nuclear Forces?

NUCLEAR REACTIONS ⁴He(e^-, e^-'), E=450, 690, 795 MeV; measured reaction products; deduced missing mass spectrum, monopole transition form factor, resonance parameters, modern nuclear forces, including those derived within chiral effective field theory fail to reproduce the excitation of the α particle. The Mainz Microtron MAMI.

doi: 10.1103/PhysRevLett.130.152502
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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
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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
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2020ES03      Phys.Lett. B 808, 135664 (2020)

A.Esser, M.Thiel, P.Achenbach, K.Aulenbacher, S.Aulenbacher, S.Baunack, D.Bosnar, S.Caiazza, M.Christmann, M.Dehn, M.O.Distler, L.Doria, P.Eckert, M.Gorchtein, P.Gulker, P.Herrmann, M.Hoek, S.Kegel, P.Klag, H.-J.Kreidel, M.Littich, S.Lunkenheimer, F.E.Maas, M.Makek, H.Merkel, M.Mihovilovic, J.Muller, U.Muller, J.Pochodzalla, B.S.Schlimme, R.Spreckels, V.Tioukine, C.Sfienti

Beam-normal single spin asymmetry in elastic electron scattering off ²⁸Si and ⁹⁰Zr

NUCLEAR REACTIONS ²⁸Si, ⁹⁰Zr(E, E), E=0.570 GeV; measured reaction products, Eβ, Iβ; deduced transverse asymmetries.

doi: 10.1016/j.physletb.2020.135664
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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
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2018ES03      Phys.Rev.Lett. 121, 022503 (2018)

A.Esser, M.Thiel, P.Achenbach, K.Aulenbacher, S.Baunack, J.Berscic, D.Bosnar, L.Correa, M.Dehn, M.O.Distler, H.Fonvieille, I.Fricic, M.Gorchtein, S.Heidrich, P.Herrmann, M.Hoek, S.Kegel, Y.Kohl, T.Kolar, H.-J.Kreidel, F.E.Maas, H.Merkel, M.Mihovilovic, J.Muller, U.Muller, F.Nillius, C.Palatchi, K.D.Paschke, J.Pochodzalla, B.S.Schlimme, M.Schoth, F.Schulz, S.Sirca, B.Spruck, S.Stajner, V.Tioukine, A.Tyukin, A.Weber, C.Sfienti

First Measurement of the Q² Dependence of the Beam-Normal Single Spin Asymmetry for Elastic Scattering off Carbon

NUCLEAR REACTIONS ¹²C(polarized E, E), E=570 MeV; measured reaction products, Eβ, Iβ; deduced Q² dependence of the beam-normal single spin asymmetry.

doi: 10.1103/PhysRevLett.121.022503
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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
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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
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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
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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
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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
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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
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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
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2011BO21      Phys.Rev. C 84, 035206 (2011)

P.Bourgeois, Y.Sato, J.Shaw, R.Alarcon, A.M.Bernstein, W.Bertozzi, T.Botto, J.Calarco, F.Casagrande, M.O.Distler, K.Dow, M.Farkondeh, S.Georgakopoulos, S.Gilad, R.Hicks, M.Holtrop, A.Hotta, X.Jiang, A.Karabarbounis, J.Kirkpatrick, S.Kowalski, R.Milner, R.Miskimen, I.Nakagawa, C.N.Papanicolas, A.J.Sarty, S.Sirca, E.Six, N.F.Sparveris, S.Stave, E.Stiliaris, T.Tamae, G.Tsentalovich, C.Tschalaer, W.Turchinetz, Z.-L.Zhou, T.Zwart

Measurements of the generalized electric and magnetic polarizabilities of the proton at low Q² using the virtual Compton scattering reaction

doi: 10.1103/PhysRevC.84.035206
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2011DI01      Phys.Lett. B 696, 343 (2011)

M.O.Distler, J.C.Bernauer, T.Walcher

The RMS charge radius of the proton and Zemach moments

NUCLEAR STRUCTURE ¹H; analyzed electric form factor measurements; deduced Zemach moments of nuclear charge distribution.

doi: 10.1016/j.physletb.2010.12.067
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2011KI19      Phys.Rev. C 84, 028201 (2011)

J.M.Kirkpatrick, N.F.Sparveris, I.Nakagawa, A.M.Bernstein, R.Alarcon, W.Bertozzi, T.Botto, P.Bourgeois, J.Calarco, F.Casagrande, M.O.Distler, K.Dow, M.Farkhondeh, S.Georgakopoulos, S.Gilad, R.Hicks, A.Holtrop, A.Hotta, X.Jiang, A.Karabarbounis, S.Kowalski, R.Milner, R.Miskimen, C.N.Papanicolas, A.J.Sarty, Y.Sato, S.Sirca, J.Shaw, E.Six, S.Stave, E.Stiliaris, T.Tamae, G.Tsentalovich, C.Tschalaer, W.Turchinetz, Z.-L.Zhou, T.Zwart

Measurement of the partial cross sections σ_TT , σ_LT, and (σ_T + ϵσ_L) of the ¹H(e, e'π⁺)n reaction in the Δ(1232) resonance

NUCLEAR REACTIONS ¹H(e, e'π⁺) at Q²=0.127 GeV/c²; measured electron spectra using OHIPS spectrometer at MIT-Bates facility; deduced differential cross sections for Δ(1232) resonance. Comparison with predictions of MAID, DMT, Sato-Lee, and chiral EFT models.

doi: 10.1103/PhysRevC.84.028201
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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2006BO29      Phys.Rev.Lett. 97, 212001 (2006)

P.Bourgeois, Y.Sato, J.Shaw, R.Alarcon, A.M.Bernstein, W.Bertozzi, T.Botto, J.Calarco, F.Casagrande, M.O.Distler, K.Dow, M.Farkhondeh, S.Georgakopoulos, S.Gilad, R.Hicks, M.Holtrop, A.Hotta, X.Jiang, A.Karabarbounis, J.Kirkpatrick, S.Kowalski, R.Milner, R.Miskimen, I.Nakagawa, C.N.Papanicolas, A.J.Sarty, S.Sirca, E.Six, N.F.Sparveris, S.Stave, E.Stiliaris, T.Tamae, G.Tsentalovich, C.Tschalaer, W.Turchinetz, Z.-L.Zhou, T.Zwart

Measurements of the Generalized Electric and Magnetic Polarizabilities of the Proton at Low Q² Using the Virtual-Compton-Scattering Reaction

NUCLEAR REACTIONS ¹H(e, e'), E=570-670 MeV; measured σ(E, θ), response functions. ¹H deduced polarizability radii. Virtual Compton scattering.

doi: 10.1103/PhysRevLett.97.212001
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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
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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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2005SP01      Phys.Rev.Lett. 94, 022003 (2005)

N.F.Sparveris, R.Alarcon, A.M.Bernstein, W.Bertozzi, T.Botto, P.Bourgeois, J.Calarco, F.Casagrande, M.O.Distler, K.Dow, M.Farkhondeh, S.Georgakopoulos, S.Gilad, R.Hicks, M.Holtrop, A.Hotta, X.Jiang, A.Karabarbounis, J.Kirkpatrick, S.Kowalski, R.Milner, R.Miskimen, I.Nakagawa, C.N.Papanicolas, A.J.Sarty, Y.Sato, S.Sirca, J.Shaw, E.Six, S.Stave, E.Stiliaris, T.Tamae, G.Tsentalovich, C.Tschalaer, W.Turchinetz, Z.-L.Zhou, T.Zwart

Investigation of the Conjectured Nucleon Deformation at Low Momentum Transfer

NUCLEAR REACTIONS ¹H(e, e'π⁰), E=950 MeV; measured Ep, σ(θ). ¹H deduced quadrupole to dipole amplitude ratios.

doi: 10.1103/PhysRevLett.94.022003
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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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2003SP01      Phys.Rev. C 67, 058201 (2003)

N.F.Sparveris, R.Alarcon, D.Barkhuff, A.Bernstein, W.Bertozzi, J.Calarco, F.Casagrande, J.Chen, J.Comfort, M.O.Distler, G.Dodson, S.Dolfini, A.Dooley, K.Dow, M.Farkhondeh, S.Gilad, R.Hicks, M.Holtrop, A.Hotta, X.Jiang, N.Kaloskamis, A.Karabarbounis, S.Kowalski, C.Kunz, D.Margaziotis, C.Mertz, R.Milner, R.Miskimen, I.Nakagawa, C.N.Papanicolas, M.M.Pavan, G.Peterson, A.Ramirez, D.Rowntree, A.J.Sarty, J.Shaw, E.Six, S.Soong, E.Stiliaris, D.Tieger, C.Tschalaer, W.Turchinetz, C.Vellidis, G.A.Warren, A.Young, J.Zhao, Z.-L.Zhou, T.Zwart

Measurement of the R_LT response function for π⁰ electroproduction at Q²=0.070 (GeV/c)² in the N → Δ transition

NUCLEAR REACTIONS ¹H(e, e'π⁰), E=0.82 GeV; measured response functions. Out-of-plane detection technique.

doi: 10.1103/PhysRevC.67.058201
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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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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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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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1999ME27      Nucl.Phys. (Supplement) A654, 527c (1999)

C.Mertz, A.M.Bernstein, M.O.Distler, N.I.Kaloskamis, R.W.Lourie, C.N.Papanicolas, C.E.Vellidis, G.A.Warren, and the OOPS and FPP Collaborations

Recent Measurements of γ^*N → Δ Response Functions at Bates

NUCLEAR REACTIONS ¹H(polarized e, e'π⁺), (polarized e, e'π⁰), E not given; measured σ(θ), asymmetry.

doi: 10.1016/S0375-9474(00)88493-6
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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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