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Measurement of the beam asymmetry Sigma in pi eta, 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, Y.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, Friedrich; Klein, Frank; 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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Volltext ()

The European physical journal. A, Hadrons and nuclei 35 (2008), Nr.3, S.291-293
ISSN: 1434-6001
ISSN: 1434-601X
ISSN: 1431-5831
Englisch
Zeitschriftenaufsatz, Elektronische Publikation
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 funkction of various masses and angles for photon energies between 970 MeV and 1650 MeV.

: http://publica.fraunhofer.de/dokumente/N-190972.html