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K⁰pi⁰Σ⁺ and K*⁰Σ⁺ photoproduction off the proton

Nanova, M. 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 Fornet-Ponse, K. and Fuchs, M. and Funke, Ch. and Gothe, R. and Gregor, R. and Gridnev, A. B. and Gutz, E. and Hoffmeister, P. and Horn, I. and Jaegle, 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 Mertens, T. and Metag, V. and Morales, C. and Novinski, D. V. and Novotny, R. and Ostrick, M. and Pant, L. M. and van Pee, H. and Pfeiffer, M. and Radkov, A. and Roy, A. and Schadmand, S. and Schmidt, Ch. 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) K⁰pi⁰Σ⁺ and K*⁰Σ⁺ photoproduction off the proton. The European physical journal. A, Hadrons and nuclei, Vol. 35, H. 3. pp. 333-342.

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Official URL: http://edoc.unibas.ch/dok/A5261922

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Abstract

The exclusive reactions gamma p -< K*0 Sigma(+)(1189) and gamma p -< K-0 pi(0)Sigma(+)(1189), leading to the p 4p pi(0) final state, have been measured with a tagged photon beam for incident energies from threshold up to 2.5 GeV. The experiment has been performed at the tagged photon facility of the ELSA accelerator (Bonn). The Crystal Barrel and TAPS detectors were combined to a photon detector system of almost 4 pi geometrical acceptance. Differential and total cross-sections are reported. At energies close to the threshold, a. at angular distribution has been observed for the reaction gamma p -< K-0 pi(0)Sigma(+) suggesting dominant s-channel production. Sigma*(1385) and higher-lying hyperon states have been observed. An enhancement in the forward direction in the angular distributions of the reaction gamma p -< K*(0)Sigma(+) indicates a t-channel exchange contribution to the reaction mechanism. The experimental data are in reasonable agreement with recent theoretical predictions.
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: K-0 pi(0)Sigma(+) and K*(0)Sigma(+) photoproduction off the proton -- 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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