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Limits on Dark Matter Annihilation Signals from the Fermi LAT 4-year Measurement of the Isotropic Gamma-Ray Background

dc.contributor.authorACKERMANN, M.
dc.contributor.authorAJELLO, M.
dc.contributor.authorALBERT, A.
dc.contributor.authorBALDINI, L.
dc.contributor.authorBARBIELLINI, G.
dc.contributor.authorBASTIERI, D.
dc.contributor.authorBECHTOL, K.
dc.contributor.authorBELLAZZINI, R.
dc.contributor.authorBISSALDI, E.
dc.contributor.authorBLOOM, E.D.
dc.contributor.authorBONINO, R.
hal.structure.identifierLaboratoire Univers et Particules de Montpellier [LUPM]
dc.contributor.authorBREGEON, J.
hal.structure.identifierLaboratoire Leprince-Ringuet [LLR]
dc.contributor.authorBRUEL, P.
dc.contributor.authorBUEHLER, R.
dc.contributor.authorBUSON, S.
dc.contributor.authorCALIANDRO, G.A.
dc.contributor.authorCAMERON, R.A.
dc.contributor.authorCARAGIULO, M.
dc.contributor.authorCARAVEO, P.A.
dc.contributor.authorCECCHI, C.
dc.contributor.authorCHARLES, E.
dc.contributor.authorCHEKHTMAN, A.
dc.contributor.authorCHIANG, J.
dc.contributor.authorCHIARO, G.
dc.contributor.authorCIPRINI, S.
dc.contributor.authorCLAUS, R.
hal.structure.identifierLaboratoire Univers et Particules de Montpellier [LUPM]
dc.contributor.authorCOHEN-TANUGI, Johann
dc.contributor.authorCONRAD, J.
dc.contributor.authorCUOCO, A.
dc.contributor.authorCUTINI, S.
dc.contributor.authorD'AMMANDO, F.
dc.contributor.authorDE ANGELIS, A.
dc.contributor.authorDE PALMA, F.
dc.contributor.authorDERMER, C.D.
dc.contributor.authorDIGEL, S.W.
dc.contributor.authorDRELL, P.S.
dc.contributor.authorDRLICA-WAGNER, A.
dc.contributor.authorFAVUZZI, C.
dc.contributor.authorFERRARA, E.C.
dc.contributor.authorFRANCKOWIAK, A.
dc.contributor.authorFUKAZAWA, Y.
dc.contributor.authorFUNK, S.
dc.contributor.authorFUSCO, P.
dc.contributor.authorGARGANO, F.
dc.contributor.authorGASPARRINI, D.
dc.contributor.authorGIGLIETTO, N.
dc.contributor.authorGIORDANO, F.
dc.contributor.authorGIROLETTI, M.
dc.contributor.authorGODFREY, G.
dc.contributor.authorGUIRIEC, S.
dc.contributor.authorGUSTAFSSON, M.
dc.contributor.authorHEWITT, J.W.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorHOU, X.
dc.contributor.authorKAMAE, T.
dc.contributor.authorKUSS, M.
dc.contributor.authorLARSSON, S.
dc.contributor.authorLATRONICO, L.
dc.contributor.authorLONGO, F.
dc.contributor.authorLOPARCO, F.
dc.contributor.authorLOVELLETTE, M.N.
dc.contributor.authorLUBRANO, P.
dc.contributor.authorMALYSHEV, D.
dc.contributor.authorMASSARO, F.
dc.contributor.authorMAYER, M.
dc.contributor.authorMAZZIOTTA, M.N.
dc.contributor.authorMICHELSON, P.F.
dc.contributor.authorMITTHUMSIRI, W.
dc.contributor.authorMIZUNO, T.
dc.contributor.authorMONZANI, M.E.
dc.contributor.authorMORSELLI, A.
dc.contributor.authorMOSKALENKO, I.V.
dc.contributor.authorMURGIA, S.
dc.contributor.authorNEGRO, M.
dc.contributor.authorNEMMEN, R.
hal.structure.identifierLaboratoire Univers et Particules de Montpellier [LUPM]
dc.contributor.authorNUSS, E.
dc.contributor.authorOHSUGI, T.
dc.contributor.authorORIENTI, M.
dc.contributor.authorORLANDO, E.
dc.contributor.authorORMES, J.F.
dc.contributor.authorPANEQUE, D.
dc.contributor.authorPERKINS, J.S.
dc.contributor.authorPESCE-ROLLINS, M.
hal.structure.identifierLaboratoire Univers et Particules de Montpellier [LUPM]
dc.contributor.authorPIRON, F.
dc.contributor.authorPIVATO, G.
dc.contributor.authorRAINÒ, S.
dc.contributor.authorRANDO, R.
dc.contributor.authorRAZZANO, M.
dc.contributor.authorREIMER, A.
dc.contributor.authorREIMER, O.
dc.contributor.authorSÁNCHEZ-CONDE, M.
dc.contributor.authorSCHULZ, A.
dc.contributor.authorSGRÒ, C.
dc.contributor.authorSISKIND, E.J.
dc.contributor.authorSPANDRE, G.
dc.contributor.authorSPINELLI, P.
dc.contributor.authorSTRONG, A.W.
dc.contributor.authorSUSON, D.J.
dc.contributor.authorTAJIMA, H.
dc.contributor.authorTAKAHASHI, H.
dc.contributor.authorTHAYER, J.G.
dc.contributor.authorTHAYER, J.B.
dc.contributor.authorTIBALDO, L.
dc.contributor.authorTINIVELLA, M.
dc.contributor.authorTORRES, D.F.
dc.contributor.authorTROJA, E.
dc.contributor.authorUCHIYAMA, Y.
dc.contributor.authorVIANELLO, G.
dc.contributor.authorWERNER, M.
dc.contributor.authorWINER, B.L.
dc.contributor.authorWOOD, K.S.
dc.contributor.authorWOOD, M.
dc.contributor.authorZAHARIJAS, G.
dc.date.issued2015
dc.description.abstractEnWe search for evidence of dark matter (DM) annihilation in the isotropic gamma-ray background (IGRB) measured with 50 months of Fermi Large Area Telescope (LAT) observations. An improved theoretical description of the cosmological DM annihilation signal, based on two complementary techniques and assuming generic weakly interacting massive particle (WIMP) properties, renders more precise predictions compared to previous work. More specifically, we estimate the cosmologically-induced gamma-ray intensity to have an uncertainty of a factor ~ 20 in canonical setups. We consistently include both the Galactic and extragalactic signals under the same theoretical framework, and study the impact of the former on the IGRB spectrum derivation. We find no evidence for a DM signal and we set limits on the DM-induced isotropic gamma-ray signal. Our limits are competitive for DM particle masses up to tens of TeV and, indeed, are the strongest limits derived from Fermi LAT data at TeV energies. This is possible thanks to the new Fermi LAT IGRB measurement, which now extends up to an energy of 820 GeV. We quantify uncertainties in detail and show the potential this type of search offers for testing the WIMP paradigm with a complementary and truly cosmological probe of DM particle signals.
dc.language.isoen
dc.subject.engamma ray experiments
dc.subject.endark matter theory
dc.subject.endark matter experiments
dc.subject.endark matter simulations
dc.subject.endark matter: annihilation
dc.subject.enGLAST
dc.subject.engamma ray: background
dc.subject.enWIMP
dc.subject.engamma ray: galaxy
dc.subject.engamma ray: cosmic radiation
dc.subject.engamma ray: energy spectrum
dc.subject.engamma ray: VHE
dc.subject.enWIMP: mass
dc.subject.enexperimental results: satellite
dc.subject.enS030DMA
dc.subject.enS046PHB
dc.title.enLimits on Dark Matter Annihilation Signals from the Fermi LAT 4-year Measurement of the Isotropic Gamma-Ray Background
dc.typeArticle de revue
dc.identifier.doi10.1088/1475-7516/2015/09/008
dc.subject.halPhysique [physics]/Astrophysique [astro-ph]
dc.identifier.arxiv1501.05464
bordeaux.journalJCAP
bordeaux.page008
bordeaux.volume09
bordeaux.peerReviewedoui
hal.identifierhal-02017075
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-02017075v1
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