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Neutral-pion photoproduction off protons in the energy range GeV>Eγ>3  GeV

Bartholomy, O. and Crede, V. and van Pee, H. and Anisovich, A. V. and Anton, G. and Bantes, R. and Beloglazov, Y. and Bogendorfer, R. and Castelijns, R. and Ehmanns, A. and Ernst, J. and Fabry, I. and Flemming, H. and Fosel, A. and Freiesleben, H. and Fuchs, M. and Funke, C. and Gothe, R. and Gridnev, A. and Gutz, E. and Hoffgen, S. K. and Horn, I. and Hossl, J. and Joosten, R. and Junkersfeld, J. and Kalinowsky, H. and Klein, F. and Klempt, E. and Koch, H. and Konrad, M. and Kopf, B. and Krusche, B. and Langheinrich, J. and Lohner, H. and Lopatin, I. and Lotz, J. and Matthay, H. and Menze, D. and Messchendorp, J. and Morales, C. and Novinski, D. and Ostrick, M. and Radkov, A. and Reinnarth, J. and Sarantsev, A. V. and Schadmand, S. and Schmidt, C. and Schmieden, H. and Schoch, B. and Suft, G. and Sumachev, V. and Szczepanek, T. and Thoma, U. and Walther, D. and Weinheimer, C.. (2005) Neutral-pion photoproduction off protons in the energy range GeV>Eγ>3  GeV. Physical review letters, Vol. 94, H. 1 , 012003, 5 S..

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Official URL: http://edoc.unibas.ch/dok/A5261942

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Abstract

Single pi(0) photoproduction has been studied with the CB-ELSA experiment at Bonn using tagged photon energies between 0.3 and 3.0 GeV. The experimental setup covers a very large solid angle of similar to98% of 4pi. Differential cross sections dsigma/dOmega have been measured. Complicated structures in the angular distributions indicate a variety of different resonances being produced in the s channel intermediate state gammap-<N-*(Delta(*))-<ppi(0). A combined analysis including the data presented in this letter along with other data sets reveals contributions from known resonances and evidence for a new resonance N(2070)D-15.
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: Neutral-pion photoproduction off protons in the energy range 0.3 GeV > E-gamma > 3 GeV -- 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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