Journal
JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 10, Pages -Publisher
SPRINGER
DOI: 10.1007/JHEP10(2016)075
Keywords
Beyond Standard Model; Heavy Quark Physics
Categories
Funding
- Explora project [FPA2014-61478-EXP]
- Centro de Excelencia Severo Ochoa [SEV-2012-0234]
- European Union [690575, 674896, 692194]
- DFG within research unit FOR 1873
- Explora project [FPA2014-61478-EXP]
- Centro de Excelencia Severo Ochoa [SEV-2012-0234]
- European Union [690575, 674896, 692194]
- DFG within research unit FOR 1873
- [FPA2011-25948]
- [2014 SGR 1450]
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The B -> K*mu mu decay exhibits deviations with respect to Standard Model expectations and the measurement of the ratio RK hints at a violation of lepton-flavour universality in B -> Kll transitions. Both effects can be understood in model-independent fits as a short-distance contribution to the Wilson coefficient C-9 mu, with some room for similar contributions in other Wilson coefficients for b -> s mu mu transitions. We discuss how a full angular analysis of B -> K*ee and its comparison with B -> K*mu mu could improve our understanding of these anomalies and help confirming their interpretation in terms of short-distance New Physics. We discuss several observables of interest in this context and provide predictions for them within the Standard Model as well as within several New Physics benchmark scenarios. We pay special attention to the sensitivity of these observables to hadronic uncertainties from SM contributions with charm loops.
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