Global constraints on vector-like effective WIMP interactions
Pedro Machado, Instituto de Física Teórica UAM – CSIC
Diego Restrepo, Universidad de Antioquia.
In this work we combine information from relic abundance, direct detection, cosmic microwave background, positron fraction, gamma rays, and colliders to explore the existing constraints on effective couplings between Dark Matter and Standard Model constituents when no underlying model or correlation is assumed. Our results show that Dark Matter masses below 20 GeV are disfavoured at the 3 sigma level by tension between the relic abundance requirement and upper constraints on the Dark Matter couplings. Furthermore, large couplings are typically only allowed in combinations which avoid effective couplings to the nuclei used in direct detection experiments.