Search for the Flavor-changing neutral current decay Bs0→µ+µ- in pp̅ Collisions at √s=1.96 TeV with the D0 detector

Abazov, V. M. ; Mondal, N. K. ; et., al (2005) Search for the Flavor-changing neutral current decay Bs0→µ+µ- in pp̅ Collisions at √s=1.96 TeV with the D0 detector Physical Review Letters, 94 (7). e071802 _1-e071802 _7. ISSN 0031-9007

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Official URL: http://prl.aps.org/abstract/PRL/v94/i7/e071802

Related URL: http://dx.doi.org/10.1103/PhysRevLett.104.061802

Abstract

We present the results of a search for the flavor-changing neutral current decay Bs0→µ+µ- using a data set with integrated luminosity of 240 pb−1 of pp̅ collisions at √s=1.96 TeV collected with the D0 detector in run II of the Fermilab Tevatron collider. We find the upper limit on the branching fraction to be B(Bs0→µ+µ-)≤5.0×10−7 at the 95% C.L. assuming no contributions from the decay Bd0→µ+µ- in the signal region. This limit is the most stringent upper bound on the branching fraction Bs0→µ+µ- to date.

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Deposited On:22 Dec 2011 13:51
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