Meson Form Factors and the Quark-Level Linear Sigma Model

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dc.creatorScadron, Michael D.
dc.creatorKleefeld, Frieder
dc.creatorRupp, George
dc.creatorvan Beveren, Eef
dc.date2002-11-18
dc.date.accessioned2026-07-07T10:33:11Z
dc.date.available2026-07-07T10:33:11Z
dc.descriptionThe quark-level linear sigma model is employed to 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 $K_{\ell3}$ decay, semileptonic weak radiative pion and kaon form factors, radiative decays of vector mesons, and nonleptonic weak $K_{2π}$ decay. The agreement of all these predicted observables with experiment is striking. In passing, the tight link between the linear sigma model and vector-meson dominance is shown. Some conclusions are drawn on the linear sigma model in connection with lattice and renormalization-group approaches to QCD.
dc.descriptionplain LaTeX, 21 pages, 8 EPS figures, 1 table. PACS numbers: 12.40.-y, 11.30.Rd, 13.40.Gp, 13.40.Hq, 13.20.Cz, 13.20.Eb, 13.25.Es, 12.40.Vv
dc.identifierhttps://arxiv.org/abs/hep-ph/0211275
dc.identifierhttp://arxiv.org/abs/hep-ph/0211275
dc.identifierNucl.Phys.A724:391-409,2003
dc.identifierdoi:10.1016/S0375-9474(03)01553-7
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/179019
dc.subjectHigh Energy Physics - Phenomenology
dc.titleMeson Form Factors and the Quark-Level Linear Sigma Model
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