Meson form factors and the quark-level linear σ model

The quark-level linear σ model (L σM) 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 ℓ3 decays, semileptonic weak radiative pion and kaon form factors,...

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Bibliographic Details
Published in:Nuclear physics. A 2003-09, Vol.724 (3), p.391-409
Main Authors: Scadron, Michael D., Kleefeld, Frieder, Rupp, George, van Beveren, Eef
Format: Article
Language:English
Subjects:
charge radii
kaons
linear σ model
meson form factors
pions
polarizabilities
Quark-level
radiative decays
semileptonic and nonleptonic weak decays
vector mesons
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Summary:The quark-level linear σ model (L σM) 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 ℓ3 decays, semileptonic weak radiative pion and kaon form factors, radiative decays of vector mesons, and nonleptonic weak K 2 π decay. The agreement of all these predicted observables with experiment is striking. In passing, the tight link between the L σM and vector-meson dominance is shown.
ISSN:0375-9474
DOI:10.1016/S0375-9474(03)01553-7