Multiphotons and photon jets from new heavy vector bosons

We discuss an extension of the Standard Model with a new vector boson decaying predominantly into a multiphoton final state through intermediate light degrees of freedom. The model has a distinctive phase in which the photons are collimated. As such, they would fail the isolation requirements of standard multiphoton searches, but group naturally into a novel object, the photon-jet. Once defined, the photon-jet object facilitates more inclusive searches for similar phenomena. We present a concrete model, discuss photon jets more generally, and outline some strategies that may prove useful when searching for such objects.