Journal
PHYSICAL REVIEW LETTERS
Volume 114, Issue 6, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.114.061802
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Funding
- MIUR [2010YJ2NYW 006]
- EU Commission through HiggsTools Initial Training Network [PITN-GA-2012-316704]
- Compagnia di San Paolo [ORTO11TPXK]
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We extract the magnitude of the Cabibbo-Kobayashi-Maskawa matrix element V-cb and the most relevant parameters of the heavy quark expansion from data of inclusive semileptonic B decays. Our calculation includes the recently computed O(alpha(s)Lambda(2)(QCD)/m(b)(2)) corrections and a careful estimate of the residual theoretical uncertainty. Using a recent determination of the charm quark mass, we obtain \V-cb\ = (42.21 +/- 0.78) x 10(-3) and m(b)(kin) (1 GeV) = (4.553 +/- 0.020) GeV.
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