Suppression of Theta^+(J^P=3/2^(+,-)) photoproduction from the proton

Details Suppression of Theta^+(J^P=3/2^(+,-)) photoproduction from the proton Suppression of Theta^+(J^P=3/2^(+,-)) photoproduction from the proton

2005-05-16

arxiv.org/abs/hep-ph/0505134v2

Phys.Lett. B633 (2006) 483-487

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 11 figures

Scientific paper

10.1016/j.physletb.2005.12.059

We investigate the photoproduction of Theta^+ from the proton and neutron, gamma N -> Kbar Theta^+. Assuming that spin and parity of Theta^+ are J^P = 3/2^(+,-), it is shown that the production from the proton is strongly suppressed as compared with that from the neutron. This could provide a possible explanation for the null results of the recent CLAS experiment in finding Theta^+ via the reaction gamma p -> Kbar^0 Theta^+.

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