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Photoproduction of Θ baryon from the neutron

Authors
Journal
Physics Letters B
0370-2693
Publisher
Elsevier
Publication Date
Volume
579
Identifiers
DOI: 10.1016/j.physletb.2003.10.105
Keywords
  • Phenomenology
Disciplines
  • Physics

Abstract

Abstract We study photoproduction reactions for Θ+, which was recently observed as a candidate of an exotic five quark state uudds̄. We employ effective Lagrangian interactions with a pseudoscalar or pseudovector meson–baryon coupling and investigate two cases of spin and parity of Θ+, JP=1/2+ and 1/2−. We calculate cross sections and discuss possibilities to discriminate one from the other.

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