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Please use this identifier to cite or link to this item: http://hdl.handle.net/2307/227

Title: An improved Standard Model prediction of BR(B →τν) and its implicationsfor New Physics
Authors: Bona, Marcella
Ciuchini, Marco
Franco, Enrico
Lubicz, Vittorio
Martinelli, Guido
Parodi, Fabrizio
Pierini, Maurizio
Schiavi, Carlo
Silvestrini, Luca
Sordini, Viola
Stocchi, Achille
Tarantino, Cecilia
Vagnoni, Vincenzo
Keywords: Leptonic B decays
Unitarity Triangle Analysis
Minimal Flavour Violation
Two-Higgs doublet models
Issue Date: 25-Feb-2010
Publisher: Elsevier
Citation: 15
Abstract: The recently measured B →τν branching ratio allows to test the Standard Model by probing virtual effects of new heavy particles, such as a charged Higgs boson. The accuracy of the test is currently limited by the experimental error on BR(B → τν) and by the uncertainty on the parameters f B and |Vub|. The redundancy of the Unitarity Triangle fit allows to reduce the error on these parameters and thus to perform a more precise test of the Standard Model. Using the current experimental inputs,
URI: http://hdl.handle.net/2307/227
DOI: 10.1016/j.physletb.2010.02.063
Appears in Collections:A - Articolo su rivista
X_Dipartimento di Fisica 'Edoardo Amaldi'

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