Title
Search for the rare decays <tex>$B^{+}\rightarrow\mu^{+}\mu^{-}K^{+}$</tex>, <tex>$B^{0}\rightarrow\mu^{+}\mu^{-}K^{*}(892)^{0}$</tex>, and <tex>$B_{s}^{0}\rightarrow\mu^{+}\mu^{-}\phi$</tex> at CDF Search for the rare decays <tex>$B^{+}\rightarrow\mu^{+}\mu^{-}K^{+}$</tex>, <tex>$B^{0}\rightarrow\mu^{+}\mu^{-}K^{*}(892)^{0}$</tex>, and <tex>$B_{s}^{0}\rightarrow\mu^{+}\mu^{-}\phi$</tex> at CDF
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
Lancaster, Pa ,
Subject
Physics
Source (journal)
Physical review : D : particles and fields. - Lancaster, Pa, 1970 - 2003
Volume/pages
79(2009) :1 , p. 011104,1-011104,9
ISSN
0556-2821
ISI
000262979700004
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
We search for b→sμ+μ- transitions in B meson (B+, B0, or Bs0) decays with 924  pb-1 of pp&#773; collisions at √s=1.96   TeV collected with the CDF II detector at the Fermilab Tevatron. We find excesses with significances of 4.5, 2.9, and 2.4 standard deviations in the B+→μ+μ-K+, B0→μ+μ-K*(892)0, and Bs0→μ+μ-&#981; decay modes, respectively. Using B→J/ψh (h=K+, K*(892)0, &#981;) decays as normalization channels, we report branching fractions for the previously observed B+ and B0 decays, B(B+→μ+μ-K+)=(0.59±0.15±0.04)×10-6, and B(B0→μ+μ-K*(892)0)=(0.81±0.30±0.10)×10-6, where the first uncertainty is statistical, and the second is systematic. We set an upper limit on the relative branching fraction B(Bs0→μ+μ-&#981;)/B(Bs0→J/ψ&#981;)<2.6(2.3)×10-3 at the 95(90)% confidence level, which is the most stringent to date.
Full text (open access)
https://repository.uantwerpen.be/docman/irua/a5b5e9/5b9684a7.pdf
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