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https://hdl.handle.net/2440/115824
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Type: | Journal article |
Title: | Limits to dark matter annihilation cross-section from a combined analysis of MAGIC and Fermi-LAT observations of dwarf satellite galaxies |
Author: | MAGIC, C. Ahnen, M. Ansoldi, S. Antonelli, L. Antoranz, P. Babic, A. Banerjee, B. Bangale, P. Barres De Almeida, U. Barrio, J. Becerra González, J. Bednarek, W. Bernardini, E. Biasuzzi, B. Biland, A. Blanch, O. Bonnefoy, S. Bonnoli, G. Borracci, F. Bretz, T. et al. |
Citation: | Journal of Cosmology and Astroparticle Physics, 2016; 2016(2):039-1-039-19 |
Publisher: | IOP Publishing |
Issue Date: | 2016 |
ISSN: | 1475-7516 1475-7516 |
Statement of Responsibility: | M.L. Ahnen, S. Ansoldi, L.A. Antonelli, P. Antoranz, A. Babic, B. Banerjee ... Sabrina Einecke ... et al. |
Abstract: | We present the first joint analysis of gamma-ray data from the MAGIC Cherenkov telescopes and the Fermi Large Area Telescope (LAT) to search for gamma-ray signals from dark matter annihilation in dwarf satellite galaxies. We combine 158 hours of Segue 1 observations with MAGIC with 6-year observations of 15 dwarf satellite galaxies by the Fermi-LAT. We obtain limits on the annihilation cross-section for dark matter particle masses between 10 GeV and 100 TeV—the widest mass range ever explored by a single gamma-ray analysis. These limits improve on previously published Fermi-LAT and MAGIC results by up to a factor of two at certain masses. Our new inclusive analysis approach is completely generic and can be used to perform a global, sensitivity-optimized dark matter search by combining data from present and future gamma-ray and neutrino detectors. |
Keywords: | Dark matter experiments; gamma ray experiments; dwarfs galaxies; neutrino experiments |
Rights: | © 2016 IOP Publishing Ltd and Sissa Medialab srl. |
DOI: | 10.1088/1475-7516/2016/02/039 |
Published version: | http://dx.doi.org/10.1088/1475-7516/2016/02/039 |
Appears in Collections: | Aurora harvest 8 Physics publications |
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