Electromagnetic form factors of charged and neutral kaons in an extended vector-meson-dominance model

Abstract

A model is developed for electromagnetic form factors of the charged and neutral K-mesons. The formalism is based on ChPT Lagrangians with vector mesons. The form factors, calculated without fitting parameters, are in a good agreement with experiment for space-like and time-like photon momenta. Contribution of the two-kaon channels to the muon anomalous magnetic moment a_μis calculated.

arXiv comment23 pages, 11 figures, accepted for publication in Eur. Phys. J. C

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Cited by in corpus (9)

• rho^0-gamma mixing in the neutral channel pion form factor |F_pi|^2 and its role in comparing e^+ e^- with tau spectral functions
• QCD Predictions for Meson Electromagnetic Form Factors at High Momenta: Testing Factorization in Exclusive Processes
• Coupled $K^{+}\Lambda$ and $K^0\Lambda$ photoproduction off the nucleon: Consequences from the recent CLAS and MAMI data and the $N(1680)P_{11}$ narrow state
• Contributions for the kaon pair from $\rho (770)$, $\omega (782)$ and their excited states in the $B\to K\bar{K}h$ decays
• Radiative decays with light scalar mesons and singlet-octet mixing in ChPT
• $K^{+}\Lambda$ electroproduction above the resonance region
• e+e- annihilation to (pi0 pi0 gamma) and (pi0 eta gamma) as a source of information on scalar and vector mesons
• Low energy process $e^{+}{e}^{-}\to K^{+}{K}^{-}$ in the extended Nambu-Jona-Lasinio model
• Impact of gamma-V vertex corrections on the V-P-gamma transition form factors