First Evidence of New Physics in b <--> s Transitions
High Energy Physics - Phenomenology
2015-06-30 v2
Abstract
We combine all the available experimental information on Bs mixing, including the very recent tagged analyses of Bs to J/Psi phi by the CDF and D0 collaborations. We find that the phase of the Bs mixing amplitude deviates more than 3 sigma from the Standard Model prediction. While no single measurement has a 3 sigma significance yet, all the constraints show a remarkable agreement with the combined result. This is a first evidence of physics beyond the Standard Model. This result disfavours New Physics models with Minimal Flavour Violation with the same significance.
Keywords
Cite
@article{arxiv.0803.0659,
title = {First Evidence of New Physics in b <--> s Transitions},
author = {The UTfit Collaboration and M. Bona and M. Ciuchini and E. Franco and V. Lubicz and G. Martinelli and F. Parodi and M. Pierini and C. Schiavi and L. Silvestrini and V. Sordini and A. Stocchi and V. Vagnoni},
journal= {arXiv preprint arXiv:0803.0659},
year = {2015}
}
Comments
5 pages, 2 figures, 2 tables. v2: added a note on more recent Tevatron results