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Meson exchange model for pseudoscalar meson-meson scattering

descriptionPublicationkeyboard_double_arrow_right Article 01 Oct 1990 Netherlands English Publisher:Elsevier BVJournal:Nuclear Physics A, volume 516, pages 513-548 (issn: 0375-9474,

Authors: J. Speth; Karl Holinde; Detlef Lohse; J.W. Durso;

doi: 10.1016/0375-9474(90)90126-7

Meson exchange model for pseudoscalar meson-meson scattering

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Abstract

A dynamical model for pseudoscalar-pseudoscalar meson scattering based on meson exchange, suitable for use in a variety of low- and intermediate-energy mesonic interactions, has been constructed and applied to ππ and kπ scattering with good quantitative results. The model includes both s- and t-channel exchange, and is found to require pseudoscalar-pseudoscalar coupling to a scalar octet to fit the high energy s-wave phases in the I = 0 ππ channel and in the channel. Coupling of the ππ and KK̄ channels is found to play a crucial role in explaining the S∗(975) resonance

Country

Netherlands

Related Organizations

University of Twente
Netherlands

Keywords

IR-79935

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