Electroweak constraints on flavorful effective theories

By Aielet Efrati, A. Falkowski, Y. Soreq. 2015

138 citations recorded by the source corpus.

A bstractWe derive model-independent constraints arising from the Z and W boson observables on dimension six operators in the effective theory beyond the Standard Model. In particular, we discuss the generic flavor structure for these operators as well as several flavor patterns motivated by simple new physics scenarios.

Subfields: Astronomy and Astrophysics, Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/1a3a0afec6e7cdc29a0b30a66ea2276e2cee13d1

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In Astronomy and Astrophysics

In Nuclear and High Energy Physics

Citations in the corpus

Compilation of low-energy constraints on 4-fermion operators in the SMEFT (2017, background): “We note that the vertex corrections are constrained slightly better than when only the pole observables are used [33], thanks to the precise input from low-energy flavor measurements.”
Patterns of flavour violation in models with vector-like quarks (2016, methodology): “Model-independent constraints on ψ(2)φ(2)D operators have been derived from Z- and W boson observables [66], which are applicable to GSM models.”
The SMEFTsim package, theory and tools (2017, background): “[66, 69] for analyses aiming at the flavour general case.”
Phenomenology of an SU(2) × SU(2) × U(1) model with lepton-flavour non-universality (2016, background): “The fit includes the observables listed in tables 1 and 2 of [84], and provides mean values, standard deviations and the correlation matrix for the following parameters: the correction to the W mass (δm), anomalous W and Z couplings to leptons (δgi L , δg Z`i L,R) and anomalous Z couplings to quarks”
On the breaking of lepton flavor universality in B decays (2015, unknown): “[46].”