Pantheon SEMPARIS Le serveur des séminaires parisiens Paris

Status Confirmed
Seminar Series APC-TH
Subjects hep-th
Date Tuesday 4 April 2017
Time 14:00
Institute APC
Seminar Room 483 A - Malevitch
Speaker's Last Name Yongchao
Speaker's First Name Zhang
Speaker's Email Address
Speaker's Institution Université Libre de Bruxelles
Title Long lived light scalar in the minimal left-right symmetric model
Abstract In the minimal left-right symmetric model which could accommodate the tiny neutrino masses via TeV seesaw mechanism, the neutral scalar from the right-handed symmetry breaking sector could be much lighter than the electroweak scale. We discuss the constraints on this particle from low-energy flavor observables, e.g. meson oscillations and rare decays, and find that such a light particle is necessarily long-lived, and can be searched for at the LHC via displaced signals of a collimated photon jet, if its mass is of order GeV scale. This decay mode provides a new test of TeV scale left-right model.
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