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+ | ====== TTP06-31 Theoretical update of Bs--Bs-bar mixing ====== | ||
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+ | width difference Delta Gamma_s and the CP asymmetry in flavour-specific | ||
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+ | this end we introduce a new operator basis, which reduces the | ||
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+ | the hadronic uncertainty in Delta Gamma_s/ | ||
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+ | Delta m_s = (49.7 =/- 9.4 ) * 10^{-4} and Delta Gamma_s =(f_{B_s}/ | ||
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+ | the decay constant f_{B_s}. The improved result for Gamma_{12}^s also | ||
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+ | Delta Gamma_s, a_fs^s, A_CP^mix(B_s\to J/\psi \phi) and other | ||
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+ | find a 2-sigma deviation of the Bs-Bs-bar mixing phase from its Standard | ||
+ | Model value. We also briefly update the theory predictions for the | ||
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+ | the Standard Model. | ||
+ | </ | ||
+ | |**Alexander Lenz and Ulrich Nierste** | ||
+ | |** JHEP 0706 072 2007 ** | | ||
+ | | {{preprints: | ||
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