Search for the rare decay B0s→φμ+μ- with the D0 detector

Abazov, V. M. ; Mondal, N. K. ; et., al (2006) Search for the rare decay B0s→φμ+μ- with the D0 detector Physical Review D - Particles, Fields, Gravitation and Cosmology, 74 (3). 031107_1-031107_8. ISSN 1550-7998

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Official URL: http://prd.aps.org/abstract/PRD/v74/i3/e031107

Related URL: http://dx.doi.org/10.1103/PhysRevD.74.031107

Abstract

We present a search for the flavor-changing neutral current decay Bs0 → φ μ+μ- using about 0.45 fb-1 of data collected in pp¯ collisions at √s = 1.96 TeV with the D0 detector at the Fermilab Tevatron Collider. We find an upper limit on the branching ratio of this decay normalized to Bs0→ J/ψφ of B(Bs0→φ μ+μ-)/B(Bs0→J/ψ φ )<4.4 × 10-3 at the 95% C.L. Using the central value of the world average branching fraction of Bs0 → J/ ψ φ , the limit corresponds to B(Bs0→φμ+μ-) < 4.1 × 10-6 at the 95% C.L., the most stringent upper bound to date.

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Deposited On:27 Mar 2012 11:45
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