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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

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dc.contributor.authorAntoranz Canales, Pedro
dc.contributor.authorBarrio Uña, Juan Abel
dc.contributor.authorBonnefoy, Simon Francois Albert
dc.contributor.authorContreras González, José Luis
dc.contributor.authorFonseca González, María Victoria
dc.contributor.authorLópez Moya, Marcos
dc.contributor.authorMiranda Pantoja, José Miguel
dc.contributor.authorNievas Rosillo, Mireia
dc.contributor.authorSatalecka, Konstanzja
dc.date.accessioned2023-06-18T06:52:16Z
dc.date.available2023-06-18T06:52:16Z
dc.date.issued2016-02
dc.description© 2016 IOP Publishing Ltd. Artículo firmado por 157 autores. The MAGIC Collaboration thanks the Instituto de Astrofísica de Canarias for the excellent working conditions at the Observatorio del Roque de los Muchachos in La Palma. The financial support of the German BMBF and MPG, the Italian INFN and INAF, the Swiss National Fund SNF, the ERDF under the Spanish MINECO (FPA2012-39502), and the Japanese JSPS and MEXT is gratefully acknowledged. This work was also supported by the Centro de Excelencia Severo Ochoa SEV-2012-0234, CPAN CSD2007-00042, and MultiDark CSD2009-00064 projects of the Spanish Consolider-Ingenio 2010 programme, by grant 268740 of the Academy of Finland, by the Croatian Science Foundation (HrZZ) Project 09/176 and the University of Rijeka Project 13.12.1.3.02, by the DFG Collaborative Research Centers SFB823/C4 and SFB876/C3, and by the Polish MNiSzW grant 745/N-HESS-MAGIC/2010/0. The Fermi LAT Collaboration acknowledges generous ongoing support from a number of agencies and institutes that have supported both the development and the operation of the LAT as well as scientific data analysis. These include the National Aeronautics and Space Administration and the Department of Energy in the United States, the Commissariat à l’Energie Atomique and the Centre National de la Recherche Scientifique / Institut National de Physique Nucl´eaire et de Physique des Particules in France, the Agenzia Spaziale Italiana and the Istituto Nazionale di Fisica Nucleare in Italy, the Ministry of Education, Culture, Sports, Science and Technology (MEXT), High Energy Accelerator Research Organization (KEK) and Japan Aerospace Exploration Agency (JAXA) in Japan, and the K. A. Wallenberg Foundation, the Swedish Research Council and the Swedish National Space Board in Sweden. Additional support for science analysis during the operations phase is gratefully acknowledged from the Istituto Nazionale di Astrofisica in Italy and the Centre National d’Études Spatiales in France.
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.description.departmentDepto. de Estructura de la Materia, Física Térmica y Electrónica
dc.description.facultyFac. de Ciencias Físicas
dc.description.refereedTRUE
dc.description.sponsorshipMinisterio de Economía y Competitividad (MINECO)
dc.description.sponsorshipGerman BMBF and MPG
dc.description.sponsorshipItalian INFN and INAF
dc.description.sponsorshipSwiss National Fund SNF
dc.description.sponsorshipJapanese JSPS and MEXT
dc.description.sponsorshipCentro de Excelencia Severo Ochoa
dc.description.sponsorshipSpanish Consolider-Ingenio 2010 programme
dc.description.sponsorshipAcademy of Finland
dc.description.sponsorshipCroatian Science Foundation (HrZZ
dc.description.sponsorshipUniversity of Rijeka Project
dc.description.sponsorshipDFG Collaborative Research Centers
dc.description.sponsorshipPolish MNiSzW
dc.description.sponsorshipNational Aeronautics and Space Administration
dc.description.sponsorshipDepartment of Energy in the United States
dc.description.sponsorshipCommissariat à l’Energie Atomique
dc.description.sponsorshipCentre National de la Recherche Scientifique / Institut National de Physique Nucl´eaire et de Physique des Particules in France
dc.description.sponsorshipAgenzia Spaziale Italiana
dc.description.sponsorshipIstituto Nazionale di Fisica Nucleare in Italy
dc.description.sponsorshipMinistry of Education, Culture, Sports, Science and Technology (MEXT)
dc.description.sponsorshipHigh Energy Accelerator Research Organization (KEK)
dc.description.sponsorshipJapan Aerospace Exploration Agency (JAXA)
dc.description.sponsorshipK. A. Wallenberg Foundation
dc.description.sponsorshipSwedish Research Council
dc.description.sponsorshipSwedish National Space Board
dc.description.sponsorshipIstituto Nazionale di Astrofisica in Italy
dc.description.sponsorshipCentre National d’Études Spatiales in France
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/37527
dc.identifier.doi10.1088/1475-7516/2016/02/039
dc.identifier.issn1475-7516
dc.identifier.officialurlhttp://dx.doi.org/10.1088/1475-7516/2016/02/039
dc.identifier.relatedurlhttp://iopscience.iop.org/
dc.identifier.urihttps://hdl.handle.net/20.500.14352/24456
dc.issue.number2
dc.journal.titleJournal of cosmology and astroparticle physics
dc.language.isoeng
dc.publisherIop Publishing
dc.relation.projectIDFPA2012-39502
dc.relation.projectIDSEV-2012-0234
dc.relation.projectIDCPAN CSD2007-00042
dc.relation.projectIDCSD2009-00064
dc.relation.projectID268740
dc.relation.projectID09/176
dc.relation.projectID13.12.1.3.02
dc.relation.projectIDSFB823/C4
dc.relation.projectIDSFB876/C3
dc.relation.projectID745/N-HESS-MAGIC/2010/0
dc.rights.accessRightsopen access
dc.subject.cdu537
dc.subject.cdu539.1
dc.subject.keywordGamma-ray emission
dc.subject.keywordLarge-area telescope
dc.subject.keywordSpheroidal galaxies
dc.subject.keywordMajor upgrade
dc.subject.keywordSearch
dc.subject.keywordConstraints
dc.subject.keywordDecay
dc.subject.keywordHess.
dc.subject.ucmElectricidad
dc.subject.ucmElectrónica (Física)
dc.subject.ucmFísica nuclear
dc.subject.unesco2202.03 Electricidad
dc.subject.unesco2207 Física Atómica y Nuclear
dc.titleLimits to dark matter annihilation cross-section from a combined analysis of MAGIC and Fermi-LAT observations of dwarf satellite galaxies
dc.typejournal article
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