New physics in B_s^0 -> J/\psi\phi decays?
B. El-Bennich, J. P. B. C. de Melo, O. Leitner, B. Loiseau, J.-P., Dedonder
TL;DR
This paper reviews B_s^0 oscillations and decays, analyzing recent experimental data to constrain potential new physics contributions in these processes.
Contribution
It provides a detailed analysis of decay ratios and their implications for new physics, based on recent measurements from multiple collaborations.
Findings
Experimental decay ratios limit new physics contributions.
Recent measurements constrain models beyond the Standard Model.
Analysis emphasizes the importance of decay rate ratios in probing new physics.
Abstract
After a brief review of B_s^0 - \bar B_s^0 oscillations, we discuss the weak decays B_s^0 -> J/\psi\phi and B_s^0 -> J/\psi f_0(980) and the ratio R_{f_0/\phi} of their decay rates in the light of recent measurements by the LHCb, D0 and CDF Collaborations. We point out that the experimental values for R_{f_0/\phi} impose tight limits on new physics contributions to both decay channels.
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