Celestial-body focused dark matter annihilation throughout the Galaxy
@article{Leane2021CelestialbodyFD, title={Celestial-body focused dark matter annihilation throughout the Galaxy}, author={Rebecca K. Leane and Tim Linden and Payel Mukhopadhyay and Natalia Toro}, journal={Physical Review D}, year={2021}, volume={103} }
Indirect detection experiments typically measure the flux of annihilating dark matter (DM) particles propagating freely through galactic halos. We consider a new scenario where celestial bodies “focus” DM annihilation events, increasing the efficiency of halo annihilation. In this setup, DM is first captured by celestial bodies, such as neutron stars or brown dwarfs, and then annihilates within them. If DM annihilates to sufficiently long-lived particles, they can escape and subsequently decay…
11 Citations
Neutrinos from captured dark matter annihilation in a galactic population of neutron stars
- PhysicsJournal of Cosmology and Astroparticle Physics
- 2022
Particulate dark matter captured by a population of neutron stars distributed around the galactic center while annihilating through long-lived mediators can give rise to an observable neutrino flux.…
Evaporation of dark matter from celestial bodies
- PhysicsJournal of Cosmology and Astroparticle Physics
- 2022
Scatterings of galactic dark matter (DM) particles with the constituents of celestial bodies could result in their accumulation within these objects. Nevertheless, the finite temperature of the…
Jupiter missions as probes of dark matter
- Physics
- 2022
: Jupiter, the fascinating largest planet in the solar system, has been visited by nine spacecraft, which have collected a significant amount of data about Jovian properties. In this paper, we show…
Glueballs in a thermal squeezeout model
- PhysicsJournal of High Energy Physics
- 2022
Abstract
It has been shown that a first order confinement phase transition can drastically change the relic dark matter abundance in confining dark sectors with only heavy dark quarks. We study the…
Dark Matter In Extreme Astrophysical Environments
- Physics
- 2022
Exploring dark matter via observations of extreme astrophysical environments — defined here as heavy compact objects such as white dwarfs, neutron stars, and black holes, as well as supernovae and…
Snowmass2021 Cosmic Frontier: Synergies between dark matter searches and multiwavelength/multimessenger astrophysics
- Physics
- 2022
Shin’ichiro Ando1,2, Sebastian Baum3, Michael Boylan-Kolchin4, Esra Bulbul5, Michael Burgess5, Ilias Cholis6, Philip von Doetinchem7, JiJi Fan8, J. Patrick Harding*9, Shunsaku Horiuchi†10,2, Rebecca…
Astrophysical and Cosmological Probes of Dark Matter
- Physics
- 2022
While astrophysical and cosmological probes provide a remarkably precise and consistent picture of the quantity and general properties of dark matter, its fundamental nature remains one of the most…
Snowmass2021 Cosmic Frontier: The landscape of cosmic-ray and high-energy photon probes of particle dark matter
- Art
- 2022
Tsuguo Aramaki1, Mirko Boezio2,3, James Buckley4, Esra Bulbul5, Philip von Doetinchem6, Fiorenza Donato7,8, J. Patrick Harding9, Chris Karwin10, Jason Kumar6, Rebecca K. Leane11,12, Shigeki…
Astroparticle Physics with Compact Objects
- PhysicsUniverse
- 2021
Probing the existence of hypothetical particles beyond the Standard model often deals with extreme parameters: large energies, tiny cross-sections, large time scales, etc. Sometimes, laboratory…
EuCAPT White Paper: Opportunities and Challenges for Theoretical Astroparticle Physics in the Next Decade
- Physics
- 2021
Astroparticle physics is undergoing a profound transformation, due to a series of extraordinary new results, such as the discovery of high-energy cosmic neutrinos with IceCube, the direct detection…