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Paper detail

New physics in B_s^0 -> J/ψϕdecays?

After a brief review of B_s^0 - \bar B_s^0 oscillations, we discuss the weak decays B_s^0 -> J/ψϕand B_s^0 -> J/ψf_0(980) and the ratio R_{f_0/ϕ} 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/ϕ} impose tight limits on new physics contributions to both decay channels.

preprint2011arXivOpen access
B. El-BennichJ. P. B. C. de MeloO. LeitnerB. LoiseauJ. -P. Dedonder
hep-exhep-phnucl-th
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B. El-BennichJ. P. B. C. de MeloO. LeitnerB. LoiseauJ. -P. Dedonder

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