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Measurement of the beam asymmetry Sigma in pi0eta production off the proton with the CBELSA/TAPS experiment

 
: Gutz, E.; Sokhoyan, V.; Pee, H. van; Anisovich, A.V.; Bacelar, J.C.S.; Bantes, B.; Bartholomy, O.; Bayadilov, D.; Beck, R.; Beloglazov, A.; Castelijns, R.; Crede, V.; Dutz, H.; Ehmanns, A.; Elsner, D.; Essig, K.; Ewald, R.; Fabry, I.; Fornet-Ponse, K.; Fuchs, M.; Funke, C.; Gothe, R.; Gregor, R.; Gridnev, A.B.; Höffgen, Stefan; Hoffmeister, P.; Horn, I.; Jaegle, I.; Junkersfeld, J.; Kalinowsky, H.; Kammer, S.; Kleber, V.; Klein, Frank; Klein, Friedrich; Klempt, E.; Konrad, M.; Kotulla, M.; Krusche, B.; Lang, M.; Langheinrich, J.; Löhner, H.; Lopatin, I.V.; Lotz, J.; Lugert, S.; Menze, D.; Mertens, T.; Messchendorp, J.G.; Metag, V.; Morales, C.; Nanova, M.; Nikonov, V.A.; Novinski, D.V.; Novotny, R.; Ostrick, M.; Pant, L.M.; Pfeiffer, M.; Radkov, A.; Sarantsev, A.V.; Schadmand, S.; Schmidt, C.; Schmieden, H.; Schoch, B.; Shende, S.; Süle, A.; Sumachev, V.; Szczepanek, T.; Thoma, U.; Trnka, D.; Walther, D.; Weinheimer, C.; Wendel, C.

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Hammer, H.-W.:
11th Workshop on The Physics of Excited Nucleons, NSTAR 2007. Proceedings : September 5 - 8, 2007, Bonn, Germany
Berlin: Springer, 2008
ISBN: 978-3-540-85143-1
S.190-192
Workshop on the Physics of Excited Nucleons (NSTAR) <11, 2007, Bonn>
Englisch
Konferenzbeitrag
Fraunhofer INT ()

Abstract
In photoproduction experiments, a large number of final states yielding various resonance contributions are accessible. To extract resonance parameters via partial-wave analysis not only the measurement of differential cross-sections is necessary, but also the determination of polarization observables. At the electron accelerator ELSA (Bonn) the coherent bremsstrahlung method was used to generate a linearly polarized photon beam. Using the CBELSA/TAPS detector setup, the beam asymmetry Sigma in the reaction gammaroh -> rohpi0eta was determined as a function of various masses and angles for photon energies between 970 MeV and 1650 MeV.

: http://publica.fraunhofer.de/dokumente/N-192352.html