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

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dc.contributor.authorGalindo Fernández, Daniel
dc.contributor.authorMarcote Martin, Benito
dc.contributor.authorParedes i Poy, Josep Maria
dc.contributor.authorParedes Fortuny, Xavier
dc.contributor.authorRibó Gomis, Marc
dc.contributor.authorMAGIC Collaboration
dc.date.accessioned2019-10-10T11:54:32Z
dc.date.available2019-10-10T11:54:32Z
dc.date.issued2016-02-16
dc.date.updated2019-10-10T11:54:32Z
dc.description.abstractWe 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.
dc.format.extent20 p.
dc.format.mimetypeapplication/pdf
dc.identifier.idgrec677884
dc.identifier.issn1475-7516
dc.identifier.urihttps://hdl.handle.net/2445/142123
dc.language.isoeng
dc.publisherInstitute of Physics (IOP)
dc.relation.isformatofReproducció del document publicat a: https://doi.org/10.1088/1475-7516/2016/02/039
dc.relation.ispartofJournal of Cosmology and Astroparticle Physics, 2016, vol. 2016
dc.relation.urihttps://doi.org/10.1088/1475-7516/2016/02/039
dc.rightscc-by (c) Galindo Fernández, Daniel et al., 2016
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/es
dc.sourceArticles publicats en revistes (Física Quàntica i Astrofísica)
dc.subject.classificationMatèria fosca (Astronomia)
dc.subject.classificationGalàxies
dc.subject.otherDark matter (Astronomy)
dc.subject.otherGalaxies
dc.titleLimits to dark matter annihilation cross-section from a combined analysis of MAGIC and Fermi-LAT observations of dwarf satellite galaxies
dc.typeinfo:eu-repo/semantics/article
dc.typeinfo:eu-repo/semantics/publishedVersion

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