Search for Dark Matter Annihilation in Draco with STACEE
STACEE Collaboration: D. D. Driscoll, J. Ball, J. E. Carson, C. E., Covault, P. Fortin, D. M. Gingrich, D. S. Hanna, A. Jarvis, J. Kildea, T., Lindner, C. Mueller, R. Mukherjee, R. A. Ong, K. Ragan, D. A. Williams, J., Zweerink
TL;DR
This paper reports on STACEE's 2005-2006 gamma-ray observations of the Draco dwarf galaxy to search for signals of dark matter annihilation, leveraging its favorable properties for indirect detection.
Contribution
First observational search for dark matter annihilation signals in Draco using STACEE's high-energy gamma-ray detection capabilities.
Findings
No significant gamma-ray excess detected from Draco.
Set upper limits on dark matter annihilation cross-section.
Demonstrated feasibility of using Cherenkov telescopes for dark matter searches.
Abstract
For some time, the Draco dwarf spheroidal galaxy has garnered interest as a possible source for the indirect detection of dark matter. Its large mass-to-light ratio and relative proximity to the Earth provide favorable conditions for the production of detectable gamma rays from dark matter self-annihilation in its core. The Solar Tower Atmospheric Cherenkov Effect Experiment (STACEE) is an air-shower Cherenkov telescope located in Albuquerque, NM capable of detecting gamma rays at energies above 100 GeV. We present the results of the STACEE observations of Draco during the 2005-2006 observing season totaling 10 hours of livetime after cuts.
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Taxonomy
TopicsDark Matter and Cosmic Phenomena · Particle Detector Development and Performance · Atomic and Subatomic Physics Research