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LHC diphoton resonance at 750 GeV as an indication of SU(3) <inf>L</inf>× U(1) <inf>X</inf> electroweak symmetry
Journal
European Physical Journal C
ISSN
1434-6052
Date Issued
2016-07-01
Author(s)
Abstract
The LHC collaborations ATLAS and CMS
recently reported on the excess of the events in the diphoton
final states at the invariant mass of about 750 GeV. In this
article we speculate on the possibility that the excess arises
from the neutral CP-even component φ of the scalar triplet
of the SU(3)c × SU(3)L × U(1)X (3−3−1) model that
has a U(1)X charge equal to X = −1/3 and acquires a vacuum expectation value larger than the electroweak symmetry
breaking scale. The interactions of the scalar field φ with the
photon and gluon pairs are mediated by the virtual vector-like
fermions which appear as components of the anomaly-free
chiral fermion representations of the 3−3−1 gauge group
recently reported on the excess of the events in the diphoton
final states at the invariant mass of about 750 GeV. In this
article we speculate on the possibility that the excess arises
from the neutral CP-even component φ of the scalar triplet
of the SU(3)c × SU(3)L × U(1)X (3−3−1) model that
has a U(1)X charge equal to X = −1/3 and acquires a vacuum expectation value larger than the electroweak symmetry
breaking scale. The interactions of the scalar field φ with the
photon and gluon pairs are mediated by the virtual vector-like
fermions which appear as components of the anomaly-free
chiral fermion representations of the 3−3−1 gauge group
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