from September 29, 2015 to October 2, 2015
DESY Hamburg
Europe/Berlin timezone
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Contribution

DESY Hamburg - Main Auditorium
Cosmology & Astroparticle Physics

Unitarity and Bound-State Formation Constraints on Dark Matter

Speakers

  • Dr. William SHEPHERD

Primary authors

Abstract content

I present rigorous calculations of the constraints that perturbativity and unitarity apply to dark matter in the well-known portal scenarios. These provide the most stringent upper limit on dark matter mass in the thermal cosmology. I will also discuss the physics of dark matter bound states that can become important when the interactions of dark matter become so strong.