A possible experimental determination of $m_s/\hat{m}$ from $K_{\mu 4}$ decays

Abstract

$K\pi$ scattering and $K_{\mu 4}$ decays are studied at leading order of improved chiral perturbation theory. It is shown that high precision $K_{\mu 4}$ experiments at, e.g., DA$\Phi$NE should allow for a direct measurement of the quark mass ratio $m_s$/$\hat{m}$.

arXiv comment9 pages, preprint IPNO-TH 93-17, 2 figures not included, available upon request, plain Latex, April 1993

Cited by in corpus (18)

• Chiral perturbation theory
• The ratios of the light quark masses
• Electroweak Baryogenesis and Standard Model CP Violation
• $K_{l4}$ - Decays Beyond One Loop
• Bounds on the light quark masses
• The QCD Chiral Condensate from the Lattice
• Isospin violation in low-energy charged pion-kaon scattering
• The strange-quark mass from QCD sum rules in the pseudoscalar channel
• Topological susceptibility in full QCD: lattice results versus the prediction from the QCD partition function with granularity
• Analysis of the pion-kaon sigma-term and related topics
• The Reaction $\gamma \gamma \to {\pi }^0{\pi }^0$ in Generalized Chiral Perturbation Theory
• Isospin breaking corrections to low-energy pi-K scattering
• Contributions of order $\mathcal{O}(m_{\mathrm{quark}}^2)$ to $K_{\ell 3}$ form factors and unitarity of the CKM matrix
• Isospin Breaking in $K_{\ell 4}$ Decays of the Neutral Kaon
• Chiral symmetry
• Generalized Chiral Perturbation Theory
• The strange-quark mass from QCD sum rules: An Update
• Formation of $\pi \mu$ atoms in $K_{μ4} decay