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Quasifree photoproduction of η mesons off the neutron

Jaegle, I. and Mertens, T. and Anisovich, A. V. and Bacelar, J. C. S. and Bantes, B. and Bartholomy, O. and Bayadilov, D. and Beck, R. and Beloglazov, Y. A. and Castelijns, R. and Crede, V. and Dutz, H. and Ehmanns, A. and Elsner, D. and Essig, K. and Ewald, R. and Fabry, I. and Fuchs, M. and Funke, Ch. and Gothe, R. and Gregor, R. and Gridnev, A. B. and Gutz, E. and Hoeffgen, S. and Hoffmeister, P. and Horn, I. and Junkersfeld, J. and Kalinowsky, H. and Kammer, S. and Kleber, V. and Klein, Frank and Klein, Friedrich and Klempt, E. and Konrad, M. and Kotulla, M. and Krusche, B. and Lang, M. and Langheinrich, J. and Loehner, H. and Lopatin, I. V. and Lotz, J. and Lugert, S. and Menze, D. and Messchendorp, J. G. and Metag, V. and Morales, C. 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 Radkov, A. and Roy, A. and Sarantsev, A. V. and Schadmand, S. and Schmidt, C. and Schmieden, H. and Schoch, B. and Shende, S. V. and Sokhoyan, V. 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.. (2008) Quasifree photoproduction of η mesons off the neutron. Physical review letters, Vol. 100, H. 25 , 252002, 5 S..

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Official URL: http://edoc.unibas.ch/dok/A5261918

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Abstract

Quasifree photoproduction of eta mesons off nucleons bound in the deuteron has been measured with the CBELSA/TAPS detector for incident photon energies up to 2.5 GeV at the Bonn ELSA accelerator. The eta mesons have been detected in coincidence with recoil protons and recoil neutrons, which allows a detailed comparison of the quasifree n(gamma, eta)n and p(gamma, eta)p reactions. The excitation function for eta production off the neutron shows a pronounced bumplike structure at W=1.68 GeV (E-gamma approximate to 1 GeV), which is absent for the proton.
Faculties and Departments:05 Faculty of Science > Departement Physik > Physik > Hadronenphysik (Krusche)
UniBasel Contributors:Krusche, Bernd
Item Type:Article, refereed
Article Subtype:Research Article
Bibsysno:Link to catalogue
Publisher:American Physical Society
ISSN:0031-9007
Note:Variant title: Quasifree photoproduction of eta mesons off the neutron -- 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 13:53

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