The observed constraints on the variability of the proton to electron mass ratio µ and the fine structure constant α are used to establish constraints on the variability of the Quantum Chromodynamic Scale and a combination of the Higgs Vacuum Expectation Value and the Yukawa couplings. Further model dependent assumptions provide constraints on the Higgs VEV and the Yukawa couplings separately. A primary conclusion is that limits on the variability of dimensionless fundamental constants such as µ and α provide important constraints on the parameter space of new physics and cosmologies.
- Fundamental constants
- Particle physics
ASJC Scopus subject areas
- General Physics and Astronomy