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CMB Constraints on Dark Matter Annihilation PDF

40 Pages·2014·9.41 MB·English
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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

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Energy Deposition in Pre- and. Post-Recombination Gas/Plasma. Neelima Sehgal, Stony Brook. Ionization. Excitation. Heating
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