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
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J. Warchol
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M. Warsinsky
- Function : Author
G. Watts
- Function : Author
M. Wayne
- Function : Author
M. Weber
- Function : Author
H. Weerts
- Function : Author
M. Wegner
- Function : Author
N. Wermes
- Function : Author
A. White
- Function : Author
V. White
- Function : Author
D. Whiteson
- Function : Author
D. Wicke
- Function : Author
D.A. Wijngaarden
- Function : Author
G.W. Wilson
- Function : Author
S.J. Wimpenny
- Function : Author
J. Wittlin
- Function : Author
M. Wobisch
- Function : Author
J. Womersley
- Function : Author
D.R. Wood
- Function : Author
T.R. Wyatt
- Function : Author
Q. Xu
- Function : Author
N. Xuan
- Function : Author
R. Yamada
- Function : Author
M. Yan
- Function : Author
T. Yasuda
- Function : Author
Y.A. Yatsunenko
- Function : Author
Y. Yen
- Function : Author
K. Yip
- Function : Author
S.W. Youn
- Function : Author
J. Yu
- Function : Author
A. Yurkewicz
- Function : Author
A. Zatserklyaniy
- Function : Author
M. Zdrazil
- Function : Author
C. Zeitnitz
- Function : Author
D. Zhang
- Function : Author
X. Zhang
- Function : Author
T. Zhao
- Function : Author
Z. Zhao
- Function : Author
B. Zhou
- Function : Author
J. Zhu
- Function : Author
M. Zielinski
- Function : Author
D. Zieminska
- Function : Author
A. Zieminski
- Function : Author
R. Zitoun
- Function : Author
V. Zutshi
- Function : Author
E.G. Zverev
- Function : Author
A. Zylberstejn
- Function : Author
Pascal Gay
- Function : Author
- PersonId : 829302
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.