Anomaly in the K-S(0)Sigma(+) photoproduction cross section off the proton at the K* threshold

Ewald, R. and Bantes, B. and Bartholomy, O. and Bayadilov, D. and Beck, R. and Beloglazov, Y. A. and Brinkmann, K. -T. and Crede, V. and Dutz, H. and Elsner, D. and Fornet-Ponse, K. and Frommberger, F. and Funke, Ch and Gridnev, A. B. and Gutz, E. and Hillert, W. and Hannappel, J. and Hoffmeister, P. and Jaegle, I. and Jahn, O. and Jude, T. and Junkersfeld, J. and Kalinowsky, H. and Kammer, S. and Kleber, V. and Klein, Frank and Klein, Friedrich and Klempt, E. and Krusche, B. and Lang, M. and Lohner, H. and Lopatin, I. V. and Menze, D. and Mertens, T. and Messchendorp, J. G. and Metag, V. and Nanova, M. and Novinski, D. and Novotny, R. and Ostrick, M. and Pant, L. and van Pee, H. and Roy, A. and Schadmand, S. and Schmidt, C. and Schmieden, H. and Schoch, B. and Shende, S. 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 Wendel, Ch. (2012) Anomaly in the K-S(0)Sigma(+) photoproduction cross section off the proton at the K* threshold. Physics letters. B, Vol. 713, H. 3. pp. 180-185.

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Official URL: http://edoc.unibas.ch/dok/A6070658

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The gamma + p -< K-0 + Sigma(+) photoproduction reaction is investigated in the energy region from threshold to E gamma = 2250 MeV. The differential cross section exhibits increasing forward-peaking with energy, but only up to the K* threshold. Beyond, it suddenly returns to a flat distribution with the forward cross section dropping by a factor of four. In the total cross section a pronounced structure is observed between the K*Lambda and K*Sigma thresholds. (C) 2012 Published by Elsevier B.V.
Faculties and Departments:05 Faculty of Science > Departement Physik > Physik > Hadronenphysik (Krusche)
UniBasel Contributors:Krusche, Bernd
Item Type:Article, refereed
Article Subtype:Research Article
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:21 Jun 2013 12:29
Deposited On:21 Jun 2013 12:27

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