Abstract:Abstract. The low energy (below 2 GeV) πη channel interaction amplitude becomes an object of interest mainly because of the search for exotic mesons in just beginning to collect data detector GlueX in JLab. Finding and interpretation of expected weak signals from these states require a comparison with a very accurate amplitude containing standard (qq) states i.e. a 0 (980) and a 0 (1450). The main problem in the determination of such amplitude is a total absence of data about the phases and inelasticities in t… Show more
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