New physics in B_s^0 -> J/ψφdecays?

Details New physics in B_s^0 -> J/ψφdecays? New physics in B_s^0 -> J/ψφdecays?

2011-11-29

arxiv.org/abs/1111.6955v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Talk given at the Erice School on Nuclear Physics 2011: From Quarks and Gluons to Hadrons and Nuclei, organized by A. Faessler

Scientific paper

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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