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Photoproduction of eta and eta' mesons off protons

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

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Physical Review. C 80 (2009), Nr.5, Art. 055202, 12 S.
ISSN: 0556-2813
Englisch
Zeitschriftenaufsatz
Fraunhofer INT ()

Abstract
Total and differential cross sections for eta and eta' photoproduction off the proton have been determined with the CBELSA/TAPS detector for photon energies between 0.85 and 2.55 GeV. The eta mesons are detected in their two neutral decay modes, eta -> gamma-gamma and eta -> 3pi0 -> 6gamma , and for the first time, cover the full angular range in cos thetac.m. of the eta meson. These new eta photoproduction data are consistent with the earlier CB-ELSA results. The eta' mesons are observed in their neutral decay to pi0pi0eta -> 6gamma and also extend the coverage in angular range.

: http://publica.fraunhofer.de/dokumente/N-190970.html