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Observation of tree-level B decays with s(s)over-bar production from gluon radiation

Abstract:

We report on our search for decays proceeding via a tree-level b→c quark transition in which a gluon radiates into an ss̄ pair. We present observations of the decays B-→Ds(*)+K-π- and B̄0→ Ds+KS0π- and evidence for B-→Ds+K-K- and set upper limits on the branching fractions for B̄0→Ds*+KS0π- and B-→Ds*+K-K- using 383×106 Υ(4S)→BB̄ events collected by the BABAR detector at SLAC. We present evidence that the invariant mass distributions of Ds(*)+K- pairs from B-→Ds(*)+K-π- decays are inconsisten...

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Publication status:
Published

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Authors


Boutigny, D More by this author
Karyotakis, Y More by this author
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Journal:
PHYSICAL REVIEW LETTERS
Volume:
100
Issue:
17
Publication date:
2008-05-02
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
URN:
uuid:b8e94905-a68a-4e50-882f-e5f0121eef83
Source identifiers:
211292
Local pid:
pubs:211292
Language:
English

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