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Measurement of B(t→Wb)/B(t→Wq) in top-quark-pair decays using dilepton events and the full CDF Run II data set.

Abstract:

We present a measurement of the ratio of the top-quark branching fractions R=B(t→Wb)/B(t→Wq), where q represents any quark flavor, in events with two charged leptons, imbalance in total transverse energy, and at least two jets. The measurement uses proton-antiproton collision data at center-of-mass energy 1.96 TeV, corresponding to an integrated luminosity of 8.7  fb^{-1} collected with the Collider Detector at Fermilab during Run II of the Tevatron. We measure R to be 0.87±0.07, and extract ...

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Publication status:
Published

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Journal:
Physical review letters
Volume:
112
Issue:
22
Pages:
221801
Publication date:
2014-06-02
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
URN:
uuid:15eab8c7-63ac-431f-a4f5-e6b5173b2d6f
Source identifiers:
462857
Local pid:
pubs:462857
Language:
English
Keywords:

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