CM3 - Future Steps in Cosmology with CMB Spectral Distortions |
|
Speaker |
Bolliet, Boris |
|
Coauthors |
|
| Talk Title |
CMB Distortions from Photon Injection Processes |
|
Abstract |
More than twenty years after COBE/FIRAS, the present technology embarked on a new CMB spectral distortion experiment should enable us to measure not only some known signals, such as the recombination lines or the dissipation of acoustic waves, but also to open a new window on dark matter detection. Indeed, as dark matter forms a large part of the universe content, if its constituents happen to decay into photons (e.g., Axion Like Particles) or absorb them (e.g., Black Holes), we could potentially measure the induced distortion caused to the CMB frequency spectrum. In this presentation, I will outline methodology used in the FIRAS analysis to extract the CMB temperature and its frequency spectrum. Then, I will present preliminary results on Axion Like Particles (ALPs) that decay into photons. In particular, I will illustrate how we can set constraints on the parameter space of ALPs models with a CMB spectral distortion experiment. |
|
Talk view |
|
|
|
|