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Title: Status of the Unitarity Triangle Analysis
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: Unitarity Triangle
Flavour Physics
Standard Model
New Physics
Issue Date: 2009
Publisher: Proceedings of Science SISSA
Pages: 160-163
Abstract: We present an update of the Unitarity Triangle (UT) analysis, within the Standard Model (SM) and beyond. Within the SM the main novelties are the inclusion in eK of the contributions of x and fe 6= p /4 pointed out by A. J. Buras and D. Guadagnoli, and an accurate prediction of BR(B→tn), by using the indirect determination of |Vub| from the UT fit, which can be compared to the present experimental result. In the generalization of the UT analysis to investigate New Physics (NP) effects, the estimate of x is more delicate and only the effect of fe 6= p /4 has been included. We confirm an hint of NP in the Bs-¯Bs mixing at the 2.9s level, which makes a comparison with new experimental data certainly desired.
Appears in Collections:X_Dipartimento di Fisica 'Edoardo Amaldi'
ATC - Atti di Convegno

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