TL;DR
This paper introduces the concept of photon-jets resulting from a new vector-boson decay in an extended Standard Model, proposing novel search strategies for these collimated multi-photon objects.
Contribution
It presents a concrete theoretical model predicting photon-jets and discusses their properties and detection strategies, expanding the search paradigm for new physics phenomena.
Findings
Photon-jets can be distinguished from standard photons based on their collimation.
The proposed model predicts specific signatures for photon-jets in collider experiments.
New search strategies can improve detection of photon-jet events.
Abstract
We discuss an extension of the Standard Model with a new vector-boson decaying predominantly into a multi-photon 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 multi-photon 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.
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