SPECIAL ISSUE — Selected Papers on Flavor Physics and Mass Generation; Editor: H. FritzschNo Access
Probing new physics with 
: Status and perspectives
https://doi.org/10.1142/S0217751X14440047Cited by:5 (Source: Crossref)
Abstract
The rare decay 
plays a key role for the testing of the Standard Model. It is pointed out that the sizable decay width difference ΔΓs of the Bs-meson system affects this channel in a subtle way. As a consequence, its calculated Standard Model branching ratio has to be upscaled by about 10%. Moreover, the sizable ΔΓs makes a new observable through the effective 
lifetime accessible, which probes New Physics in a way complementary to the branching ratio and adds an exciting new topic to the agenda for the high-luminosity upgrade of the LHC. Further probes of New Physics are offered by a CP-violating rate asymmetry. Correlations between these observables and the 
branching ratio are illustrated for specific models of New Physics.
Keywords:
PACS: 13.20.He, 12.60.-i
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