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24 April 2024

» arxiv » 1305.4575

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Multichannel parametrization of $ar K N$ scattering amplitudes and extraction of resonance parameters
H. Zhang ; J. Tulpan ; M. Shrestha ; D. M. Manley ;
Date:	20 May 2013
Abstract:	We present results of a new multichannel partial-wave analysis for $ar K N$ scattering in the c.m. energy range 1480 to 2100 MeV. 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 are generally in good agreement with predictions of the Koniuk-Isgur quark model.
Source:	arXiv, 1305.4575
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