  Many new physics models contain a neutral scalar resonance that can be
predominantly produced via gluon fusion through loops. In such a case, there
could be important effects of additional particles, that in turn may hadronize
before decaying and form bound states. This interesting possibility may lead to
novel signatures with double peaks that can be searched for at the LHC. We
study the phenomenology of double peak searches in diboson final states from
loop induced production and decay of a new neutral spin-0 resonance at the LHC.
The loop-induced couplings should be mediated by particles carrying color and
electroweak charge that after forming bound states will induce a second peak in
the diboson invariant mass spectrum near twice their mass. A second peak could
be present via loop-induced couplings into $gg$ (dijet), $\gamma\gamma$ and
$Z\gamma$ final states as well as in the $WW$ and $ZZ$ channels for the case of
a pseudo-scalar resonance or for scalars with suppressed tree-level coupling to
gauge bosons.
