Speaker
Hongwan Liu
(New York University / Princeton University)
Description
Measurements of the cosmic microwave background, the Lyman-Alpha forest and future 21-cm results can set significant constraints on dark matter annihilation or decay. To obtain such limits, a good understanding of how dark matter energy injection affects the ionization and thermal history of the universe is crucial. In this talk, I will present an open-source code package called DarkHistory, which will compute these histories efficiently and accurately. I will then discuss how this code can be used to obtain state-of-the-art constraints on dark matter annihilation and decay from the evolution of the intergalactic medium temperature deduced from Lyman-Alpha forest observations.
