4 papers · 1 filter
Re-examining the sensitivity of JWST to decaying axion dark matter
Caleb Gemmell, Christopher Dessert, Andrea Caputo +1
An eV-scale QCD axion comprising the observed dark matter (DM) abundance is expected to generate a photon line at infrared energies that would be observable or near-observable in d…
Dark Matter, Baryon Number, and Cosmic-Ray Antinuclei
Caleb Gemmell, Dan Hooper, Seth Koren +1
Antideuterons and antihelium nuclei in the cosmic-ray spectrum have long been considered a smoking gun signature of dark matter annihilation, making the tentative observation of se…
Enhanced Cosmic-Ray Antinuclei Fluxes with Dark Matter Annihilation into SUEPs
Mattia Di Mauro, Caleb Gemmell, Austin Batz +4
Standard-Model (SM) hadronic parton showers initiated by secondary cosmic-ray production or dark matter (DM) annihilations robustly predict very low antinuclei yields and a strong…
Dark Sector Glueballs at the LHC
Austin Batz, Timothy Cohen, David Curtin +2
We study confining dark sectors where the lightest hadrons are glueballs. Such models can provide viable dark matter candidates and appear in some neutral naturalness scenarios. In…