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|Title:||Limits to dark matter annihilation cross-section from a combined analysis of MAGIC and Fermi-LAT observations of dwarf satellite galaxies|
Barres De Almeida, U.
Becerra González, J.
|Citation:||Journal of Cosmology and Astroparticle Physics, 2016; 2016(2):039-1-039-19|
|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.|
|Appears in Collections:||Physics publications|
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