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Meson form-factors and the quark level LsigmaM

Authors: M. D. Scadron, F. Kleefeld, G. Rupp and E. van Beveren

Ref.: prepared for HADRON PHYSICS: Effective Theories of Low Energy QCD, Second International Workshop on Hadron Physics, Coimbra, Portugal, 25-29 Sep 2002, and published in AIP Conf. Proc. 660, 311-324 (2003)

Abstract: We study meson (pi,K) form factors in general, and specialize at a later stage to a specific scheme, namely the quark-level linear sigma model (LsigmaM). We compute a variety of electromagnetic and weak observables of light mesons, including pion and kaon form factors and charge radii, charged-pion polarizabilities, semileptonic weak Kl3 decay, semileptonic weak radiative pion and kaon form factors, radiative decays of vector mesons, and nonleptonic weak K2pi decay. We find good to very good agreement with experiment of all these predicted observables.

DOI: 10.1063/1.1570582

URL: link.aip.org