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PRODID:UW-Madison-Physics-Events
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SEQUENCE:0
UID:UW-Physics-Event-2815
DTSTART:20121030T210000Z
DURATION:PT1H0M0S
DTSTAMP:20260306T232315Z
LAST-MODIFIED:20121005T232759Z
LOCATION:5280 Chamberlin 
SUMMARY:Indirect detection of dark matter at GeV and TeV scales\, Theo
 ry Seminar (High Energy/Cosmology)\, Alexander Belikov\, Institut d'As
 trophysics\, Paris
DESCRIPTION:In my talk I will revise the recent interpretations of the
  isotropic gamma-ray and radio backgrounds\, unidentified gamma-ray so
 urces and BBN abundances of light elements in terms of GeV scale dark 
 matter. In the second part of the talk I will focus on multi-TeV dark 
 matter in the perspective of gamma-rays from the galactic center and c
 osmic ray electrons and positrons in Fermi+HESS data. The spectra of b
 oth of gamma rays from the galactic center as well as the spectrum of 
 cosmic ray electrons exhibit a cutoff at TeV energies that can be inte
 rpreted as a signature of annihilating dark matter. I present the upda
 ted constraints in the parameter space of  thermal cross-section vs. d
 ark matter mass and study the best fits to the data in the parameter s
 pace defined by the branching ratio to a particular annihilation chann
 el and the mass of the dark matter particle.
URL:https://www.physics.wisc.edu/events/?id=2815
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