25–28 Sept 2018
DESY Hamburg
Europe/Berlin timezone

Is self-interacting dark matter with no light mediator viable?

26 Sept 2018, 18:00
20m
Main Auditorium (DESY Hamburg)

Main Auditorium

DESY Hamburg

Cosmology & Astroparticle Physics Parallel Session: Cosmo 3

Speaker

Dr Camilo Alfredo Garcia Cely (DESY)

Description

Self-interacting dark matter is a well-motivated solution to the core-vs-cusp and the too-big-to-fail problems of the ΛCDM model. In this scenario, a light particle mediating the self-interactions is typically invoked in order to achieve velocity-dependent effects. In this talk, I will argue that a light mediator is not the only possible way to do that. In particular, I will discuss two new ideas: dark matter scenarios with self-heating as well as dark matter resonant scattering.

Primary author

Dr Camilo Alfredo Garcia Cely (DESY)

Presentation materials