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Photoproduction of π⁰η on protons and the Δ(1700)D₃₃ resonance

Kashevarov, V. L. and Fix, A. and Aguar-Bartolome, P. and Akasoy, L. K. and Annand, J. R. M. and Arends, H. J. and Bantawa, K. and Beck, R. and Bekrenev, V. and Berghaeuser, H. and Boillat, B. and Braghieri, A. and Branford, D. and Briscoe, W. J. and Brudvik, J. and Cherepnya, S. and Downie, E. J. and Drexler, P. and Fil`kov, L. V. and Glazier, D. I. and Gregor, R. and Heid, E. and Hornidge, D. and Jahn, O. and Jude, T. C. and Knezevic, A. and Kondratiev, R. and Korolija, M. and Kotulla, M. and Koulbardis, A. and Kruglov, S. and Krusche, B. and Lisin, V. and Livingston, K. and MacGregor, I. J. D. and Maghrbi, Y. and Manley, D. M. and Martinez-Fabregate, M. and McGeorge, J. C. and McNicoll, E. F. and Mekterovic, D. and Metag, V. and Micanovic, S. and Nefkens, B. M. K. and Nikolaev, A. and Novotny, R. and Ostrick, M. and Owens, R. O. and Pedroni, P. and Pheron, F. and Polonski, A. and Robinson, J. and Prakhov, S. N. and Rosner, G. and Rostomyan, T. and Schumann, S. and Sober, D. and Starostin, A. and Suarez, I. M. and Supek, I. and Tarbert, C. M. and Thiel, M. and Thomas, A. and Unverzagt, M. and Watts, D. P. and Zamboni, I. and Zehr, F.. (2009) Photoproduction of π⁰η on protons and the Δ(1700)D₃₃ resonance. The European physical journal. A, Hadrons and nuclei, Vol. 42, H. 2. pp. 141-149.

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Official URL: http://edoc.unibas.ch/dok/A5261903

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Abstract

Total and differential cross-sections for the reaction gamma p -< pi(0)eta p have been measured with the Crystal Ball/TAPS detector using the tagged photon facility at the MAMI C accelerator in Mainz. In the energy range E-gamma = 0.95-1.4 GeV the reaction is dominated by the excitation and sequential decay of the Delta(1700)D-33-resonance. Angular distributions measured with high statistics allow us to determine the ratio of hadronic decay widths Gamma(eta Delta)/Gamma pi S-11 and the ratio of the helicity amplitudes A(3/2)/A(1/2) for this resonance.
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:Springer-Verlag
ISSN:1434-6001
Note:Variant title: Photoproduction of pi(0)eta on protons and the Delta(1700)D-33-resonance -- 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 13:55

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