Phase shift and spectral function from PWA
University of Wroclaw, Wroclaw, Poland
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Published online: 1 February 2019
I illustrate a robust method for extracting an effective phase shift and an effective spectral weight for a coupled-channel system. These quantities are useful for describing the thermodynamics of an interacting hadron gas within the S-matrix formulation.
© The Authors, published by EDP Sciences, 2019
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