Study the exotic $Θ^+$ in polarized photoproduction reactions

Details Study the exotic $Θ^+$ in polarized photoproduction reactions Study the exotic $Θ^+$ in polarized photoproduction reactions

2005-02-03

arxiv.org/abs/hep-ph/0502033v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Plenary talk at NSTAR2004, Proceedings of the Workshop on the Physics of Excited Nucleons, p.63 (2004), Grenoble, France, Mar.

Scientific paper

We present an analysis of a Beam-Target double polarization asymmetry in
$\gamma n\to \Theta^+ K^-$. We show that this quantity can serve as a filter
for the determination of the $\Theta^+$'s spin-parity assignment near
threshold. It is highly selective between $1/2^+$ and $1/2^-$ configurations
due to dynamical reasons.

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