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Dark Matter Halos as Particle Colliders: A Unified Solution to Small-Scale Structure Puzzles from Dwarfs to Clusters
Manoj Kaplinghat, Sean Tulin, Hai-Bo Yu
Astrophysical observations spanning dwarf galaxies to galaxy clusters indicate that dark matter (DM) halos are less dense in their central regions compared to expectations from col…
Direct Detection Signatures of Self-Interacting Dark Matter with a Light Mediator
Eugenio Del Nobile, Manoj Kaplinghat, Hai-Bo Yu
Self-interacting dark matter (SIDM) is a simple and well-motivated scenario that could explain long-standing puzzles in structure formation on small scales. If the required self-in…
Galactic Center Excess in Gamma Rays from Annihilation of Self-Interacting Dark Matter
Manoj Kaplinghat, Tim Linden, Hai-Bo Yu
Observations by the Fermi-LAT telescope have uncovered a significant -ray excess toward the Milky Way Galactic Center. There has been no detection of a similar signal in the dir…