Is the ρ meson a dynamical gauge boson of hidden local symmetry\?
Abstract
We suggest that the ρ meson is a dynamical gauge boson of a hidden local symmetry in the nonlinear chiral Lagrangian. The origin of the ρ-meson mass is understood as the Higgs mechanism of the hidden local symmetry. The low-energy dynamics of ρ, π, and matter fields, including Kawarabayashi-Suzuki-Riazuddin-Fayyazuddin and ρ-coupling universality, is consistently described in this new framework. The electromagnetic interaction can be introduced in a unique manner, which gives a successful explanation of ρ dominance of the photon coupling.
- Publication:
-
Physical Review Letters
- Pub Date:
- March 1985
- DOI:
- 10.1103/PhysRevLett.54.1215
- Bibcode:
- 1985PhRvL..54.1215B
- Keywords:
-
- 14.40.Cs;
- 11.30.Na;
- 14.80.Er;
- Other mesons with S=C=0 mass<
- 2.5 GeV;
- Nonlinear and dynamical symmetries