Dear All,
 
We have the pleasure of inviting you to the Particle Theory Seminar on Tuesday, March 12  at 12:15, which will be given by

Alexander Korchin

(Jagiellonian University & Kharkiv Institute of Physics

and Technology & V.N. Karazin Kharkiv National University, Ukraine)

entitled

„Search for effects beyond the Standard Model in some decays of the Higgs boson".

Abstract:

Effects of possible CP violation in the Higgs-boson decays to (i) two photons, (ii) photon and Z boson, (iii) photon and a pair of leptons, are studied with a particular emphasis on polarization effects. We also discuss a hypothetical non-Hermiticity of the Yukawa interaction of the Higgs boson with fermions. The influence of the non-Hermiticity on the Higgs decay to a pair of polarized tau leptons is investigated. The longitudinal polarization of tau lepton is shown to be a direct measure of the CP violation and non-Hermiticity of the Yukawa interaction. The contributions to the longitudinal polarization of leptons and quarks that arise due to the loop corrections with the Hermitian interaction are also evaluated.