Publication
Title
First observation of the decay $B_{s}^{0}\rightarrow D_{s}^{-}D_{s}^{+}$ and measurement of its branching ratio
Author
Institution/Organisation
CDF Collaboration
Abstract
 We report the observation of the exclusive decay Bs0→Ds-Ds+ at the 7.5 standard deviation level using 355  pb-1 of data collected by the CDF II detector in pp̅ collisions at √s=1.96   TeV at the Fermilab Tevatron. We measure the relative branching ratio B(Bs0→Ds-Ds+)/B(B0→D-Ds+)=1.44-0.44+0.48. Using the world average value for B(B0→D-Ds+), we find B(Bs0→Ds-Ds+)=(9.4-4.2+4.4)×10-3. This provides a lower bound ΔΓsCP/Γs≥2B(Bs0→Ds-Ds+)>1.2×10-2 at 95% C.L.
Language
English
Source (journal)
Physical review letters. - New York, N.Y.
Publication
New York, N.Y. : 2008
ISSN
0031-9007
Volume/pages
100:2(2008), p. 021803,1-021803,7
ISI
000252471200019
Full text (Publisher's DOI)
Full text (open access)
UAntwerpen
 Faculty/Department Research group Publication type Subject Affiliation Publications with a UAntwerp address