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Please use this identifier to cite or link to this item: http://hdl.handle.net/2307/229

Title: First evidence of new physics in b ↔ s transitions
Authors: Bona, Marcella
Ciuchini, Marco
Franco, Enrico
Lubicz, Vittorio
Martinelli, Guido
Parodi, Fabrizio
Pierini, Maurizio
Schiavi, Carlo
Silvestrini, Luca
Sordini, Viola
Stocchi, Achille
Vagnoni, Vincenzo
Keywords: Particle Physics
Physics beyond Standard Model
Flavour Physics
Quark mixing
Issue Date: Dec-2009
Publisher: PhysMath Central
Abstract: We combine all the available experimental information on Bs mixing, including the very recent tagged analyses of Bs → J/Ψϕ by the CDF and DØ collaborations. We find that the phase of the Bs mixing amplitude deviates more than 3σ from the Standard Model prediction. While no single measurement has a 3σ significance yet, all the constraints show a remarkable agreement with the combined result. This is a first evidence of physics beyond the Standard Model. This result disfavours New Physics mod
...more
URI: http://hdl.handle.net/2307/229
ISSN: 1754-0410
DOI: 10.1186/1754-0410-3-6
URL: http://www.physmathcentral.com/1754-0410/3/6
Appears in Collections:A - Articolo su rivista
Dipartimento di Fisica 'Edoardo Amaldi'

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