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High Energy Physics Seminars

ics High Energy
Wednesday, December 5, 2012
3:30 PM
Physics Building, Room 204
Andrea Albert [Host: Chris Neu]
Ohio State University
"Indirect Searches for Dark Matter with the Fermi Large Area Telescope"
 Slideshow (PDF)
There is overwhelming evidence that non-baryonic dark matter constitutes ~23% of the energy density of the universe. Weakly Interacting Massive Particles (WIMPs) are promising dark matter candidates that may produce gamma rays via annihilation or decay detectable by the Fermi Large Area Telescope (Fermi LAT). A detection of WIMPs would also indicate the existence of physics beyond the Standard Model. I will present recent results from indirect WIMP searches by the Fermi LAT Collaboration. I will focus on our recent search for gamma-ray spectral lines from WIMP annihilations with 4 years of data. There has been recent excitement with the report of a line-like feature localized in the galactic center around 130 GeV. I will be discussing what our search finds and the systematic checks we've performed on potential signals.

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