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Anomaly in the K-S(0)Sigma(+) photoproduction cross section off the proton at the K* threshold
JournalArticle (Originalarbeit in einer wissenschaftlichen Zeitschrift)
 
ID 1530558
Author(s) Ewald, R.; Bantes, B.; Bartholomy, O.; Bayadilov, D.; Beck, R.; Beloglazov, Y. A.; Brinkmann, K. -T.; Crede, V.; Dutz, H.; Elsner, D.; Fornet-Ponse, K.; Frommberger, F.; Funke, Ch; Gridnev, A. B.; Gutz, E.; Hillert, W.; Hannappel, J.; Hoffmeister, P.; Jaegle, I.; Jahn, O.; Jude, T.; Junkersfeld, J.; Kalinowsky, H.; Kammer, S.; Kleber, V.; Klein, Frank; Klein, Friedrich; Klempt, E.; Krusche, B.; Lang, M.; Lohner, H.; Lopatin, I. V.; Menze, D.; Mertens, T.; Messchendorp, J. G.; Metag, V.; Nanova, M.; Novinski, D.; Novotny, R.; Ostrick, M.; Pant, L.; van Pee, H.; Roy, A.; Schadmand, S.; Schmidt, C.; Schmieden, H.; Schoch, B.; Shende, S.; Sokhoyan, V.; Suele, A.; Sumachev, V. V.; Szczepanek, T.; Thoma, U.; Trnka, D.; Varma, R.; Walther, D.; Wendel, Ch
Author(s) at UniBasel Krusche, Bernd
Year 2012
Title Anomaly in the K-S(0)Sigma(+) photoproduction cross section off the proton at the K* threshold
Journal Physics letters. B
Volume 713
Number 3
Pages / Article-Number 180-185
Keywords Meson photoproduction, Strangeness, Cross section, Meson-baryon interaction, Dynamically generated resonance
Abstract

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.

Publisher North-Holland
ISSN/ISBN 0370-2693
edoc-URL http://edoc.unibas.ch/dok/A6070658
Full Text on edoc No
Digital Object Identifier DOI 10.1016/j.physletb.2012.05.066
ISI-Number WOS:000306305000009
Document type (ISI) Article
 
   

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