Photoproduction of Theta baryon from the neutron

Details Photoproduction of Theta baryon from the neutron Photoproduction of Theta baryon from the neutron

2003-08-29

arxiv.org/abs/hep-ph/0308313v2

Phys.Lett. B579 (2004) 43-51

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 pages, 19 figures

Scientific paper

We study photoproduction reactions for Theta^+, which was recently observed as a candidate of an exotic five quark state uudd(bar s). We employ effective lagrangian interactions in the linear and non-linear formalism of chiral symmetry and investigate two cases of spin and parity of Theta^+, J^P = 1/2^+ and 1/2^-. We calculate cross sections and discuss possibilities to discriminate one from the other.

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