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Improved measurement of |Vub| with inclusive semileptonic B decays

Abstract:
The measurement of the Cabibbo-Kobayashi-Maskawa (CKM) parameter made with a sample of 9.7 × 106 BB̄ events collected with the CLEO II detector was discussed. The heavy quark theory was used to combine the observed yield of leptons from semileptonic B decay in the end point interval 2.2-2.6 GeV/c with the CLEO II data on B→ Xsγ. The results showed the measured CKM parameter to be (4.08 ± 0.63) × 10-3.

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Journal:
Physical Review Letters More from this journal
Volume:
88
Issue:
23
Pages:
2318031-2318035
Publication date:
2002-06-10
ISSN:
0031-9007
Language:
English
Pubs id:
pubs:321865
UUID:
uuid:e7669eda-8334-49c9-a6e1-2e12910c3296
Local pid:
pubs:321865
Source identifiers:
321865
Deposit date:
2013-11-17

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