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New analysis of \(ηπ\) tensor resonances measured at the COMPASS experiment

By Andrew Jackura and others
We present a new amplitude analysis of the \(\eta\pi\) \(D\)-wave in \(\pi^- p\to \eta\pi^- p\) measured by COMPASS. Employing an analytical model based on the principles of the relativistic \(S\)-matrix, we find two resonances that can be identified with the \(a_2(1320)\) and the excited \(a_2^\prime(1700)\), and perform a comprehensive analysis... Show more
July 10, 2017
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New analysis of $ηπ$ tensor resonances measured at the COMPASS experiment
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