Lepton decay constants of light mesons

Abstract

A theory of lepton decay constants based on the path-integral formalism is given for chiral and vector mesons. Decay constants of the pseudoscalar and vector mesons are calculated and compared to other existing results.

20 pages,references added

References in corpus (8)

• Vus from pi and K decay constants in full lattice QCD with physical u, d, s and c quarks
• Charmed and light pseudoscalar meson decay constants from four-flavor lattice QCD with physical light quarks
• Relativistic treatment of the decay constants of light and heavy mesons
• Decay constants of the heavy-light mesons from the field correlator method
• Three-Flavor Partially Quenched Chiral Perturbation Theory at NNLO for Meson Masses and Decay Constants
• Relativistic path integral and relativistic Hamiltonians in QCD and QED
• Leptonic decay-constant ratio f_{K^+}/f_{pi^+} from lattice QCD with physical light quarks
• Spin interactions in mesons in strong magnetic field

Cited by in corpus (3)

• Purely leptonic decays of the ground charged vector mesons
• Scalar mesons in the chiral theory with quark degrees of freedom
• Quark condensate in QCD at nonzero magnetic field and temperature