Higgs – Induced Lepton Flavor Violation

Dimension – 6 operators @ 2 loops
16
Θ 13
, Θ 23
< 10 − ¹ , Θ 12
< 10 − ² , φ's < 10 −¹
→ The 13, 23 angles are more or less as previously, additional
restrictions on the 12 mixing as well as the phases.
The 2 – loop contributions induce new bounds on (previously unconstrained)
parameters, and actually pretty tight ones!