Averages of b-hadron, c-hadron, and τ-lepton properties as of summer 2014

Heavy Flavor Averaging Group , Y. Amhis , Sw. Banerjee , E. Ben-Haim , S. Blyth , A. Bozek , C. Bozzi , A. Carbone

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R. Chistov M. Chrz\k{a}szcz G. Cibinetto J. Dingfelder M. Gelb M. Gersabeck T. Gershon L. Gibbons B. Golob R. Harr K. Hayasaka H. Hayashii T. Kuhr O. Leroy A. Lusiani K. Miyabayashi P. Naik S. Nishida A. Oyanguren Campos M. Patel D. Pedrini M. Petri\v{c} M. Rama M. Roney M. Rotondo O. Schneider C. Schwanda A. J. Schwartz B. Shwartz J. G. Smith R. Tesarek K. Trabelsi P. Urquijo R. Van Kooten A. Zupanc

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classification ✦ hep-ex hep-ph

keywords hadronparametersaveragesaveragingcommonleptonpropertiessummer

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This article reports world averages of measurements of $b$-hadron, $c$-hadron, and $\tau$-lepton properties obtained by the Heavy Flavor Averaging Group (HFAG) using results available through summer 2014. For the averaging, common input parameters used in the various analyses are adjusted (rescaled) to common values, and known correlations are taken into account. The averages include branching fractions, lifetimes, neutral meson mixing parameters, $CP$ violation parameters, parameters of semileptonic decays and CKM matrix elements.

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Averages of b-hadron, c-hadron, and τ-lepton properties as of summer 2014

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