CMB Constraints on Dark Matter Annihilation Neelima Sehgal Stony Brook University Outline • The CMB in a Nutshell • Current Dark Matter Annihilation Bounds from the CMB Outline • The CMB in a Nutshell • Current Dark Matter Annihilation Bounds from the CMB Cosmic Microwave Background From Lambda website New Generation of Microwave Observations COBE WMAP PLANCK 7 � ⇠ 0.3 � ⇠ 1 degree ACT+SPT 0.1 � ⇠ 0.02 We are entering a new regime � ⇠ in CMB physics Neelima Sehgal, Stony Brook New Generation of Microwave Observations COBE WMAP PLANCK 7 � ⇠ 0.3 � ⇠ 1 degree ACT+SPT 0.1 � ⇠ 0.02 We are entering a new regime � ⇠ in CMB physics Neelima Sehgal, Stony Brook COBE Satellite 1994 WMAP Satellite 2003 Planck Satellite 2013 Other CMB Experiments l l o o p p T T P C S A Have broad science range S r a P B e R E A b E C r D a I B l I o P P S Dedicated to r Neelima Sehgal, Stony Brook