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Flavour with a Light Dynamical "Higgs Particle" by Alonso, R.; Gavela, M. B.; Merlo, L.; Rigolin, S.; Yepes, J. is a scholarly article available to read on EtoBox.

What is Flavour with a Light Dynamical "Higgs Particle" about?

The Higgs-fermion couplings are sensitive probes of possible new physics behind a stable light Higgs particle. It is then essential to identify the flavour pattern of those interactions. We consider the case in which a strong dynamics lies behind a light Higgs, and explore the implications within the Minimal Flavour Violation ansatz. The dominant effects on flavour-changing Higgs-fermion couplings stem in this context from operators with mass dimension <6, and we analyze all relevant chiral operators up to that order, including loop-corrections induced by 4-dimensional ones. Bounds on the operator coefficients are derived from a plethora of low-energy flavour transitions, providing a guideline on which flavour-changing Higgs interactions may be open to experimental scrutiny. In particular, the coefficient of a genuinely CP-odd operator is only softly constrained and therefore its impact is potentially interesting.

Author

Alonso, R.; Gavela, M. B.; Merlo, L.; Rigolin, S.; Yepes, J.

Published

2012

Language

EN