Speaker
Borut Bajc
Description
Authors: Kaladi Babu, Borut Bajc, Vasja Susič
I will present a non-supersymmetric E6 GUT with the scalar sector consisting
of 650 + 351′ + 27 dimensional representations. The intermediate symmetries
which turn out to be realistic under the extended survival hypothesis (with
minimal fine-tuning) are trinification symmetry SU(3)C × SU(3)L × SU(3)R
with either LR or CR parity, and SU(6)CR × SU(2)L. This means among others
that they can reproduce correctly the light charged fermion and neutrino
masses as well as the CKM and PMNS mixing matrices. Although the successful
cases give a large range for proton lifetime estimates, all of them include
regions consistent with current experimental bounds and within reach of
forthcoming experiments.
