期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 11, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP11(2019)133
关键词
B physics; Flavor physics; Tau Physics; Beyond Standard Model; HadronHadron scattering (experiments)
资金
- Science and Technology Facilities Council (STFC, United Kingdom)
- Centre National de la Recherche Scientifique (CNRS, France)
Reconstruction of the B D* -7- v7 angular distribution is complicated by the strongly biasing effect of losing the neutrino information from both the B and T decays. In this work, a novel method for making unbiased measurements of the angular coefficients while preserving the model independence of the angular technique is demonstrated. The twelve angular functions that describe the signal decay, in addition to background terms, are modelled in a multidimensional fit, using template probability density functions that encapsulate all resolution and acceptance effects. Sensitivities at the LHCb and Belle II experiments are estimated, and sources of systematic uncertainty are discussed, notably in the extrapolation to a measurement of R(D*).
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