English

Vus and neutron beta decay

High Energy Physics - Phenomenology 2014-11-21 v1

Abstract

We discuss the effect of the recent change of VusV_{\rm us} by three standard deviations on the standard model predictions for neutron beta decay observables. We also discuss the effect the experimental error bars of VusV_{\rm us} have on such predictions. Refined precision tests of the standard model will be made by a combined effort to improve measurements in neutron beta decay and in strangeness-changing decays. By itself the former will yield very precise measurements of VudV_{\rm ud} and make also very precise predictions for VusV_{\rm us}.

Keywords

Cite

@article{arxiv.1006.5421,
  title  = {Vus and neutron beta decay},
  author = {A. Garcia and G. Sanchez-Colon},
  journal= {arXiv preprint arXiv:1006.5421},
  year   = {2014}
}
R2 v1 2026-06-21T15:42:00.333Z