Revisiting CP-violation in Minimal Flavour Violation
Lorenzo Mercolli
TL;DR
This paper reviews minimal flavour violation in MSSM, constructs a general parametrization with charged lepton and neutrino spurions, and studies new CP-violating phases' effects on leptonic electric dipole moments.
Contribution
It introduces a comprehensive parametrization of soft SUSY-breaking terms incorporating neutrino masses via type I seesaw, highlighting new CP-violating phases.
Findings
New CP-violating phases can significantly affect leptonic electric dipole moments.
The parametrization aids in understanding CP violation within minimal flavour violation frameworks.
Implications for experimental searches of electric dipole moments are discussed.
Abstract
After a brief review of the minimal flavour violation hypothesis and its implementation in the MSSM, the most general parametrisation of the soft supersymmetry-breaking terms by means of the charged lepton and neutrino spurions is constructed. Thereby a type I seesaw mechanism is assumed to generate neutrino masses. This expansion introduces several new CP-violating phases, whose effects on the leptonic electric dipole moments are investigated.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Neutrino Physics Research · Dark Matter and Cosmic Phenomena