Investigation of $K^0Σ^+$ photoproduction with the CBELSA/TAPS experiment

Details Investigation of $K^0Σ^+$ photoproduction with the CBELSA/TAPS experiment Investigation of $K^0Σ^+$ photoproduction with the CBELSA/TAPS experiment

2011-07-18

arxiv.org/abs/1107.3471v2

Physics

Nuclear Physics

Nuclear Experiment

4 pages, 4 figures. Proceedings of NSTAR2011

Scientific paper

$\gamma (p,K^0)\Sigma^+$ cross section was measured at the CBELSA/TAPS experiment at the ELSA electron stretcher facility. A cusp-like structure was apparent near the $K^*$ production threshold, where the cross section reduced by a factor of four in the forward direction. It is speculated that t-channel $K^*$ exchange, and meson-hyperon dynamically generated states may have large contributions to the cross section. The motivation for the extraction of the beam-target double polarisation observable, $E$, is discussed, and the new experiment, BGO-OD at the ELSA facility is introduced.

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