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Photoproduction of η and η' mesons off protons

Crede, V. and McVeigh, A. and Anisovich, A. V. and Bacelar, J. C. S. and Bantes, R. and Bartholomy, O. and Bayadilov, D. and Beck, R. and Beloglazov, Y. A. and Castelijns, R. and Ehmanns, A. and Elsner, D. and Essig, K. and Ewald, R. and Fabry, I. and Fuchs, M. and Funke, Chr. and Gothe, R. and Gregor, R. and Gridnev, A. and Gutz, E. and Hoeffgen, St. and Hoffmeister, P. and Horn, I. and Jaegle, I. and Junkersfeld, J. and Kalinowsky, H. and Kammer, S. and Klein, Frank and Klein, Friedrich and Klempt, E. and Konrad, M. and Kotulla, M. and Krusche, B. and Langheinrich, J. and Lohner, H. and Lopatin, I. V. and Lotz, J. and Lugert, S. and Menze, D. and Mertens, T. and Messchendorp, J. G. and Metag, V. and Nanova, M. and Nikonov, V. A. and Novinski, D. and Novotny, R. and Ostrick, M. and Pant, L. M. and van Pee, H. and Pfeiffer, M. and Roy, A. and Sarantsev, A. V. and Schadmand, S. and Schmidt, C. and Schmieden, H. and Schoch, B. and Shende, S. and Sokhoyan, V. and Sparks, N. and Suele, A. and Sumachev, V. V. and Szczepanek, T. and Thoma, U. and Trnka, D. and Varma, R. and Walther, D. and Weinheimer, Ch. and Wendel, Ch. and Wilson, A.. (2009) Photoproduction of η and η' mesons off protons. Physical review. C, Nuclear physics, Vol. 80, H. 5 , 055202, 12 S..

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Official URL: http://edoc.unibas.ch/dok/A5261902

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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 -< 3 pi(0)-< 6 gamma, and for the first time, cover the full angular range in cos theta(c.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 pi(0)pi(0)eta -< 6 gamma and also extend the coverage in angular range.
Faculties and Departments:05 Faculty of Science > Departement Physik > Physik > Hadronenphysik (Krusche)
UniBasel Contributors:Krusche, Bernd
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:American Institute of Physics
ISSN:0556-2813
Note:Variant title: Photoproduction of eta and eta(') mesons off protons -- Publication type according to Uni Basel Research Database: Journal article
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Last Modified:22 Mar 2012 14:26
Deposited On:22 Mar 2012 13:52

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