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Title: Some results on lepton flavour universality violation
Author: Alda, J.
Guasch Inglada, Jaume
Peñaranda Rivas, Siannah
Keywords: Equacions de Lagrange
Fenomenologia (Física)
Lagrange equations
Phenomenological theory (Physics)
Issue Date: 12-Jul-2019
Publisher: Società Italiana di Fisica & Springer Verlag
Abstract: Motivated by recent experimental measurements on flavour physics, in tension with Standard Model predictions, we perform an updated analysis of New Physics violating Lepton Flavour Universality, by using the effective Lagrangian approach and in the Z' and S_3 leptoquark models. We explicitly analyze the impact of considering complex Wilson coefficients in the analysis of B-anomalies, by performing a global fit of R_K and R_K*0 observables, together with \Delta Ms and A_CP^mix. The inclusion of complex couplings provides a slightly improved global fit, and a marginally improved \Delta Ms prediction.
Note: Reproducció del document publicat a:
It is part of: European Physical Journal C, 2019, num. 79, p. 588
Related resource:
ISSN: 1434-6044
Appears in Collections:Articles publicats en revistes (Física Quàntica i Astrofísica)

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