# A search for the flavor-changing neutral current decay $B^0_s \rightarrow \mu^+ \mu^-$ in $p\overline{p}$ collisions at $\sqrt{s}$ = 1.96 TeV with the DO detector

Abstract : We present the results of a search for the flavor-changing neutral current decay B0_s -> mu+ mu- using a data set with integrated luminosity of 240 pb^{-1} of pp(bar) collisions at sqrt{s}=1.96 TeV collected with the D0 detector in Run II of the Fermilab Tevatron collider. We find the conservative upper limit on the branching fraction to be Br(B0_s -> mu+ mu-) \leq 5.0 x 10^{-7} at the 95% C.L. assuming no contributions from the decay B0_d -> mu+ mu- in the signal region. This limit is the most stringent upper bound on the branching fraction B0_s -> mu+ mu- to date.
Document type :
Journal articles

http://hal.in2p3.fr/in2p3-00023259
Contributor : Yvette Heyd <>
Submitted on : Tuesday, October 26, 2004 - 10:49:21 AM
Last modification on : Tuesday, April 20, 2021 - 12:00:07 PM

### Citation

V.M. Abazov, R. Abbott, M. Abolins, B.S. Acharya, M. Adams, et al.. A search for the flavor-changing neutral current decay $B^0_s \rightarrow \mu^+ \mu^-$ in $p\overline{p}$ collisions at $\sqrt{s}$ = 1.96 TeV with the DO detector. Physical Review Letters, American Physical Society, 2005, 94, pp.071802-1-7. ⟨10.1103/PhysRevLett.94.071802⟩. ⟨in2p3-00023259⟩

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