Journal article
First observation of the decay Bs0-->Ds-Ds+ and measurement of its branching ratio.
- 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 pp collisions at sqrt[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))x10(-3). This provides a lower bound DeltaGammasCP/Gammas>or=2B(Bs0-->Ds-Ds+)>1.2x10(-2) at 95% C.L.
- Publication status:
- Published
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- Publisher copy:
- 10.1103/physrevlett.100.021803
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Authors
Bibliographic Details
- Journal:
- Physical Review Letters
- Volume:
- 100
- Issue:
- 2
- Pages:
- 021803
- Publication date:
- 2008-01-01
- DOI:
- EISSN:
-
1079-7114
- ISSN:
-
0031-9007
- Source identifiers:
-
12047
Item Description
- Language:
- English
- Keywords:
- Pubs id:
-
pubs:12047
- UUID:
-
uuid:1b571861-7faa-4269-a0b3-bdfb40a10bf4
- Local pid:
- pubs:12047
- Deposit date:
- 2012-12-19
Terms of use
- Copyright date:
- 2008
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