Self-interacting dark matter

Journal Article · Tue Jun 24 00:00:00 EDT 2014 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.4883420· OSTI ID:22306234

Tulin, Sean ^[1]

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1. Michigan Center for Theoretical Physics, University of Michigan, Ann Arbor, MI 48109 (United States)

The particle physics nature of dark matter (DM) can leave an imprint on the structure of Universe. If DM has a sizable cross section for self-interactions (much larger than the typical weak scale cross section), this can affect the density profiles of DM halos. Moreover, there exist long-standing discrepancies on small scales between astrophysical observations and predictions from N-body simulations of collisionless DM, which suggests that DM may be self-interacting. Here, we review these discrepancies, we discuss the particle physics implications of self-interacting DM, and we show that DM self-interactions have interesting implications for direct and indirect detection searches.

• OSTI ID: 22306234
• Journal Information: AIP Conference Proceedings, Vol. 1604, Issue 1; Conference: PPC 2013: 7. international conference on interconnections between particle physics and cosmology, Lead-Deadwood, SD (United States), 24 Jun - 6 Jul 2013; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); ISSN 0094-243X
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
ASTROPHYSICS
CROSS SECTIONS
DENSITY
DETECTION
FORECASTING
INTERACTIONS
NONLUMINOUS MATTER
SIMULATION
UNIVERSE