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Limits to dark matter annihilation cross-section from a combined analysis of MAGIC and Fermi-LAT observations of dwarf satellite galaxies

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.

preprint2016arXivOpen access
M. L. AhnenS. AnsoldiL. A. AntonelliP. AntoranzA. BabicB. BanerjeeP. BangaleU. Barres de AlmeidaJ. A. BarrioJ. Becerra GonzálezW. BednarekE. BernardiniB. BiasuzziA. BilandO. BlanchS. BonnefoyG. BonnoliF. BorracciT. BretzE. CarmonaA. CarosiA. ChatterjeeR. ClaveroP. ColinE. ColomboJ. L. ContrerasJ. CortinaS. CovinoP. Da VelaF. DazziA. De AngelisB. De LottoE. de Oña WilhelmiC. Delgado MendezF. Di PierroD.Dominis PresterD. DornerM. DoroS. EineckeD. Eisenacher GlawionD. ElsaesserA. Fernández-BarralD. FidalgoM. V. FonsecaL. FontK. FrantzenC. FruckD. GalindoR. J. García LópezM. GarczarczykD. Garrido TerratsM. GaugP. GiammariaN. GodinovićA. González MuñozD. GubermanA. HahnY. HanabataM. HayashidaJ. HerreraJ. HoseD. HrupecG. HughesW. IdecK. KodaniY. KonnoH. KuboJ. KushidaA. La BarberaD. LelasE. LindforsS. LombardiF. LongoM. LópezR. López-CotoA. López-OramasE. LorenzP. MajumdarM. MakarievK. MallotG. ManevaM. ManganaroK. MannheimL. MaraschiB. MarcoteM. MariottiM. MartínezD. MazinU. MenzelJ. M. MirandaR. MirzoyanA. MoralejoE. MorettiD. NakajimaV. NeustroevA. NiedzwieckiM. Nievas RosilloK. NilssonK. NishijimaK. NodaR. OritoA. OverkempingS. PaianoJ. PalacioM. PalatielloD. PanequeR. PaolettiJ. M. ParedesX. Paredes-FortunyM. PersicJ. PoutanenP. G. Prada MoroniE. PrandiniI. PuljakW. RhodeM. RibóJ. RicoJ. Rodriguez GarciaT. SaitoK. SataleckaC. SchultzT. SchweizerS. N. ShoreA. SillanpääJ. SitarekI. SnidaricD. SobczynskaA. StamerraT. SteinbringM. StrzysL. TakaloH. TakamiF. TavecchioP. TemnikovT. TerzićD. TescaroM. TeshimaJ. ThaeleD. F. TorresT. ToyamaA. TrevesV. VerguilovI. VovkJ. E. WardM. WillM. H. WuR. ZaninJ. AleksićM. WoodB. AndersonE. D. BloomJ. Cohen-TanugiA. Drlica-WagnerM. N. MazziottaM. Sánchez-CondeL. Strigari

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M. L. AhnenS. AnsoldiL. A. AntonelliP. AntoranzA. BabicB. BanerjeeP. BangaleU. Barres de AlmeidaJ. A. BarrioJ. Becerra GonzálezW. BednarekE. BernardiniB. BiasuzziA. BilandO. BlanchS. BonnefoyG. BonnoliF. BorracciT. BretzE. CarmonaA. CarosiA. ChatterjeeR. ClaveroP. ColinE. ColomboJ. L. ContrerasJ. CortinaS. CovinoP. Da VelaF. DazziA. De AngelisB. De LottoE. de Oña WilhelmiC. Delgado MendezF. Di PierroD.Dominis PresterD. DornerM. DoroS. EineckeD. Eisenacher GlawionD. ElsaesserA. Fernández-BarralD. FidalgoM. V. FonsecaL. FontK. FrantzenC. FruckD. GalindoR. J. García LópezM. GarczarczykD. Garrido TerratsM. GaugP. GiammariaN. GodinovićA. González MuñozD. GubermanA. HahnY. HanabataM. HayashidaJ. HerreraJ. HoseD. HrupecG. HughesW. IdecK. KodaniY. KonnoH. KuboJ. KushidaA. La BarberaD. LelasE. LindforsS. LombardiF. LongoM. LópezR. López-CotoA. López-OramasE. LorenzP. MajumdarM. MakarievK. MallotG. ManevaM. ManganaroK. MannheimL. MaraschiB. MarcoteM. MariottiM. MartínezD. MazinU. MenzelJ. M. MirandaR. MirzoyanA. MoralejoE. MorettiD. NakajimaV. NeustroevA. NiedzwieckiM. Nievas RosilloK. NilssonK. NishijimaK. NodaR. OritoA. OverkempingS. PaianoJ. PalacioM. PalatielloD. PanequeR. PaolettiJ. M. ParedesX. Paredes-FortunyM. PersicJ. PoutanenP. G. Prada MoroniE. PrandiniI. PuljakW. RhodeM. RibóJ. RicoJ. Rodriguez GarciaT. SaitoK. SataleckaC. SchultzT. SchweizerS. N. ShoreA. SillanpääJ. SitarekI. SnidaricD. SobczynskaA. StamerraT. SteinbringM. StrzysL. TakaloH. TakamiF. TavecchioP. TemnikovT. TerzićD. TescaroM. TeshimaJ. ThaeleD. F. TorresT. ToyamaA. TrevesV. VerguilovI. VovkJ. E. WardM. WillM. H. WuR. ZaninJ. AleksićM. WoodB. AndersonE. D. BloomJ. Cohen-TanugiA. Drlica-WagnerM. N. MazziottaM. Sánchez-CondeL. Strigari

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