Searches for Long Lived Neutral Particles

Abstract

An intriguing possibility for TeV scale physics is the existence of neutral long lived particles (LOLIPs) that subsequently decay into SM states. Such particles are many cases indistinguishable from missing transverse energy (MET) at colliders. We propose new methods to search for these particles using neutrino telescopes. We study their detection prospects, assuming production either at the LHC or through dark matter (DM) annihilations in the Sun and the Earth. We find that the sensitivity for LOLIPs produced at the LHC is limited by luminosity and detection energy thresholds. On the other hand, in the case of DM annihilation into LOLIPs, the sensitivity of neutrino telescopes is promising and may extend beyond the reach of upcoming direct detection experiments. In the context of low scale hidden sectors weakly coupled to the SM, such indirect searches allow to probe couplings as small as 10^-15.

22 pages, 6 figures

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• Dark Sunshine: Detecting Dark Matter through Dark Photons from the Sun
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• Solar Gamma Ray Constraints on Dark Matter Annihilation to Secluded Mediators
• Low-Energy Probes of a Warped Extra Dimension
• First HAWC Observations of the Sun Constrain Steady TeV Gamma-Ray Emission
• Simplified Models for Displaced Dark Matter Signatures
• The Spectrum of Darkonium in the Sun
• Invisible widths of heavy mesons
• Displaced Vertices from Pseudo-Dirac Dark Matter
• The Sun at GeV--TeV Energies: A New Laboratory for Astroparticle Physics
• Evaporation Barrier for Dark Matter in Celestial Bodies
• $\chi$aro$\nu$: a tool for neutrino flux generation from WIMPs
• Constraining Secluded Dark Matter models with the public data from the 79-string IceCube search for dark matter in the Sun
• Dark Photons from Captured Inelastic Dark Matter Annihilation: Charged Particle Signatures
• LHC prospects for minimal decaying Dark Matter
• A Solar System Test of Self-Interacting Dark Matter
• Singularities in the Gravitational Capture of Dark Matter through Long-Range Interactions
• MiXDM: Cosmic Ray Signals from Multiple States of Dark Matter
• DarkCapPy: Dark Matter Capture and Annihilation
• Indirect Detection of Dark Matter in the Galaxy
• Dark Gamma Ray Bursts
• Constraining Time Dependent Dark Matter Signals from the Sun
• Signatures of Supersymmetry in Neutrino Telescopes