Pi N -> Omega N in a Coupled-Channel Approach

Details Pi N -> Omega N in a Coupled-Channel Approach Pi N -> Omega N in a Coupled-Channel Approach

2001-11-08

arxiv.org/abs/nucl-th/0111023v3

Phys.Rev. C65 (2002) 055202; Erratum-ibid. C65 (2002) 059901

Physics

Nuclear Physics

Nuclear Theory

8 pages, fig. 1 replaced, typos corrected, conclusions unchanged; to appear in Phys. Rev. C

Scientific paper

10.1103/PhysRevC.65.059901

We describe the pi N -> omega N cross section from threshold to a center of mass energy of 2 GeV in a unitary coupled-channel model and analyze it in terms of rescattering and resonance excitations. The amplitude is mainly composed of D13, P13, and P11 contributions, where the D13 dominates over the complete considered energy range. We also outline the generalization of the standard partial-wave formalism necessary for the decomposition of the omega N final state.

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