Diphoton decay for a $750$ GeV scalar boson in an $U(1{)}_X$ model

R. Martinez, F. Ochoa, C. F. Sierra

In the context of a nonuniversal and anomaly free $U(1{)}_X$ extension of the standard model, we examine the decay of a $750$GeV scalar singlet state, ${\xi }_{\chi }$, as a possible explanat…