  The recent diphoton excess at the LHC has been explained tentatively by a
Standard Model (SM) singlet scalar of 750 GeV in mass, in the association of
heavy particles with SM gauge charges. These new particles with various SM
gauge charges induce loop-level couplings of the new scalar to $WW$, $ZZ$,
$Z\gamma$, $\gamma\gamma$, and $gg$. We show that the strength of the couplings
to the gauge bosons also determines the production mechanism of the scalar
particle via $WW,\, ZZ,\, Z\gamma,\, \gamma\gamma,\, gg$ fusion which leads to
individually distinguishable jet distributions in the final state where the
statistics will be improved in the ongoing run. The number of jets and the
leading jet's transverse momentum distribution in the excess region of the
diphoton signal can be used to determine the coupling of the scalar to the
gauge bosons arising from the protons which subsequently determine the charges
of the heavy particles that arise from various well-motivated models.
