Publication:
Gamma-ray and neutrino fluxes from Heavy Dark Matter in the Galactic Center

dc.contributor.authorGammaldi, Viviana
dc.contributor.authorRuiz Cembranos, José Alberto
dc.contributor.authorCruz Dombriz, Álvaro de la
dc.contributor.authorLineros, Roberto A.
dc.contributor.authorLópez Maroto, Antonio
dc.date.accessioned2023-06-19T15:03:45Z
dc.date.available2023-06-19T15:03:45Z
dc.date.issued2015
dc.description© 2015 Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license. This work was supported by UCM FPI grants G/640/400/8000 (2011 Program), the Spanish MINECO projects numbers FIS2011-23000, FPA2011-27853-C02-01and MULTIDARK CSD2009-00064 (Consolider- Ingenio 2010 Programme). A.d.l.C.D. also acknowledges the hospitality of FAE-UAB in the final stages of preparation of this manuscript.
dc.description.abstractWe present a study of the Galactic Center region as a possible source of both secondary gamma-ray and neutrino fluxes from annihilating dark matter. We have studied the gamma-ray flux observed by the High Energy Stereoscopic System (HESS) from the J1745-290 Galactic Center source. The data are well fitted as annihilating dark matter in combination with an astrophysical background. The analysis was performed by means of simulated gamma spectra produced by Monte Carlo event generators packages. We analyze the differences in the spectra obtained by the various Monte Carlo codes developed so far in particle physics. We show that, within some uncertainty, the HESS data can be fitted as a signal from a heavy dark matter density distribution peaked at the Galactic Center, with a power-law for the background with a spectral index which is compatible with the Fermi-Large Area Telescope (LAT) data from the same region. If this kind of dark matter distribution generates the gamma-ray flux observed by HESS, we also expect to observe a neutrino flux. We show prospective results for the observation of secondary neutrinos with the Astronomy with a Neutrino Telescope and Abyss environmental RESearch project (ANTARES), Ice Cube Neutrino Observatory (Ice Cube) and the Cubic Kilometer Neutrino Telescope (KM3NeT). Prospects solely depend on the device resolution angle when its effective area and the minimum energy threshold are fixed.
dc.description.departmentDepto. de Física Teórica
dc.description.facultyFac. de Ciencias Físicas
dc.description.refereedTRUE
dc.description.sponsorshipMinisterio de Economía y Competitividad (MINECO)
dc.description.sponsorshipUniversidad Complutense de Madrid (UCM)
dc.description.sponsorshipProyecto Método de Multimensajeros para la Detección de la Materia Oscura (MultiDark)
dc.description.sponsorshipPrograma Conosolider-Ingenio (MINECO)
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/39232
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dc.identifier.doi10.1016/j.phpro.2014.12.082
dc.identifier.issn1875-3892
dc.identifier.officialurlhttp://dx.doi.org/10.1016/j.phpro.2014.12.082
dc.identifier.relatedurlhttp://www.sciencedirect.com/
dc.identifier.urihttps://hdl.handle.net/20.500.14352/35244
dc.journal.titlePhysics procedia
dc.language.isoeng
dc.page.final703
dc.page.initial694
dc.publisherElsevier
dc.relation.projectIDFPA2011-27853-C02-01
dc.relation.projectIDFIS2011-23000
dc.relation.projectIDG/640/400/8000
dc.relation.projectIDCSD2009-00064
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 España
dc.rights.accessRightsopen access
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subject.cdu53
dc.subject.keywordDark Matter
dc.subject.keywordGalactic center
dc.subject.keywordgamma rays
dc.subject.keywordNeutrinos
dc.subject.keywordMonte Carlo phenomenology.
dc.subject.ucmFísica (Física)
dc.subject.unesco22 Física
dc.titleGamma-ray and neutrino fluxes from Heavy Dark Matter in the Galactic Center
dc.typejournal article
dc.volume.number61
dspace.entity.typePublication
relation.isAuthorOfPublicationc5a4cc87-ceba-494d-95ab-d54b9b1a35e3
relation.isAuthorOfPublicatione14691a1-d3b0-47b7-96d5-24d645534471
relation.isAuthorOfPublication.latestForDiscoveryc5a4cc87-ceba-494d-95ab-d54b9b1a35e3
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