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26 April 2024

» arxiv » 1208.2710

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Multichannel parametrization of pi N scattering amplitudes and extraction of resonance parameters
M. Shrestha ; D. M. Manley ;
Date:	13 Aug 2012
Abstract:	We present results of a new multichannel partial-wave analysis for pi N scattering in the c.m. energy range 1080 to 2100 MeV. This work explicitly includes eta N and K Lambda channels and the single pion photoproduction channel. Resonance parameters were extracted by fitting partial-wave amplitudes from all considered channels using a multichannel parametrization that is consistent with S-matrix unitarity. The resonance parameters so obtained are compared to predictions of quark models.
Source:	arXiv, 1208.2710
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