Search for rare leptonic B decays at the Tevatron

Details Search for rare leptonic B decays at the Tevatron Search for rare leptonic B decays at the Tevatron

2004-11-03

arxiv.org/abs/hep-ex/0411020v2

Int.J.Mod.Phys.A20:3631-3635,2005

Physics

High Energy Physics

High Energy Physics - Experiment

5 pages, 2 figures, submitted to DPF 2004 conference proceedings, UC Riverside, CA

Scientific paper

10.1142/S0217751X05027151

Results of a search for the Flavor-Changing Neutral Current decay $B^0_{s,d} \to \mu^+ \mu^-$ using $p\bar{p}$ collision data at $\sqrt{s}=1.96$ TeV collected at Fermilab Tevatron collider by the CDF and D{\O}detectors are presented. CDF reports upper limits on ${\cal B} (B^0_{s} \to \mu^+ \mu^-) \leq 7.5 \cdot10^{-7}$ and ${\cal B}(B^0_{d} \to \mu^+ \mu^-) \leq 1.9 \cdot10^{-7}$ at the 95% C.L. using 171 pb$^{-1}$. The D{\O}Collaboration used 240 pb$^{-1}$ to set an even more stringent limit on the branching ratio for $B^0_{s} \to \mu^+ \mu^-$ of $5.0\cdot 10^{-7}$ at the 95% C.L.

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