Scalar Boson Decays to Tau Leptons by Cécile Caillol

Author:Cécile Caillol
Language: eng
Format: epub
Publisher: Springer International Publishing, Cham

The charge misidentification rate is measured separately for the old decay modes and for the two-prong decays; it is expected to be higher for the two-prong taus, for which the charge is chosen as the charge of the leading track. A simultaneous fit is performed in the SS and OS categories, considering the same nuisance parameters as for the efficiency measurement, except the following differences:The tau identification efficiency uncertainty is set to 5% and affects the signal in both regions;

The QCD normalization has a 10% uncertainty correlated between the OS and SS regions, and an additional 5% in the OS region only, associated to the OS/SS scale factor.

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