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NSR database version of April 11, 2024.

Search: Author = M.Seimetz

Found 20 matches.

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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
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


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 PLL - PTT/ε and PLT 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


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


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
Citations: PlumX Metrics


2005SE16      Nucl.Phys. A755, 253c (2005)

M.Seimetz, for the A1 Collaboration

Measurement of the Electric Form Factor of the Neutron at MAMI

NUCLEAR REACTIONS 2H, 3He(polarized e, e'n), E=high; measured asymmetries, polarization transfer. 1n deduced electromagnetic form factor. Polarized target.

doi: 10.1016/j.nuclphysa.2005.03.025
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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 GEp/GMp 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
Citations: PlumX Metrics


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