Generation of baryon asymmetry in the E6CHM.
2018
The strongly interacting sector in the E6 inspired
composite Higgs model(E6CHM) with
baryon numberviolation possesses
SU(6)\times
U(1)_L
global symmetry. In the weakly-coupled sector of this model the
U(1)_L symmetry associated with
lepton numberconservation is broken down to a Z^L_2
discrete symmetry, which stabilizes the proton. Near the scale f > 10 TeV the
SU(6) symmetry is broken down to its SU(5) subgroup, giving rise to a set of pseudo-Nambu-
Goldstone bosons(pNGBs) that involves the SM-like Higgs doublet, a scalar coloured triplet and a SM singlet boson. Because f is so high, all
baryon numberviolating operators are sufficiently strongly suppressed. Nevertheless, in this variant of the E6CHM the observed matter-
antimatterasymmetry can be induced if CP is violated. The pNGB scalar coloured triplet plays a key role in this process and leads to a distinct signature that may be detected at the LHC in the near future.
Keywords:
-
Correction
-
Cite
-
Save
0
References
0
Citations
NaN
KQI