Exploring Elko typical signature

TL;DR

This paper investigates the potential detection of light Elko particles, a dark matter candidate, at the LHC by analyzing their unique non-local signature and its effect on missing energy signals.

Contribution

It introduces a novel signature based on Elko non-locality and explores its implications for collider detection, considering different energies and luminosities.

Findings

Elko non-locality affects missing energy signatures.

A peculiar angular dependence in the missing energy signal is identified.

Potential observability of light Elko particles at the LHC is discussed.

Abstract

We study the prospects of observing the presence of a relatively light Elko particle as a possible dark matter candidate, by pointing out a typical signature for the process encompassing the Elko non-locality, exploring some consequences of the unusual Elko propagator behavior when analyzed outside the Elko axis of propagation. We also consider the production of a light Elko associated to missing energy and isolated leptons at the LHC, with center of mass energy of 7 and 14 TeV and total luminosity from $1 fb^{-1}$ to $10 fb^{-1}$. Basically, the Elko non locality engenders a peculiar signal in the missing energy turning it sensible to the angle of detection.