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Search for $\gamma$-Ray Line Signals from Dark Matter Annihilations in the Inner Galactic Halo from 10 Years of Observations with H.E.S.S.

dc.contributor.authorABDALLAH, H.
dc.contributor.authorABRAMOWSKI, A.
dc.contributor.authorAHARONIAN, F.
dc.contributor.authorAIT BENKHALI, F.
dc.contributor.authorANGÜNER, E.O.
dc.contributor.authorARAKAWA, M.
hal.structure.identifierLaboratoire Univers et Théories [LUTH (UMR_8102)]
dc.contributor.authorARRIETA, M.
hal.structure.identifierLaboratoire d'Annecy de Physique des Particules [LAPP]
dc.contributor.authorAUBERT, P.
dc.contributor.authorBACKES, M.
dc.contributor.authorBALZER, A.
dc.contributor.authorBARNARD, M.
dc.contributor.authorBECHERINI, Y.
dc.contributor.authorBECKER TJUS, J.
dc.contributor.authorBERGE, D.
dc.contributor.authorBERNHARD, S.
dc.contributor.authorBERNLÖHR, K.
dc.contributor.authorBLACKWELL, R.
dc.contributor.authorBÖTTCHER, M.
hal.structure.identifierLaboratoire Univers et Théories [LUTH (UMR_8102)]
dc.contributor.authorBOISSON, C.
hal.structure.identifierLaboratoire de Physique Nucléaire et de Hautes Énergies [LPNHE (UMR_7585)]
dc.contributor.authorBOLMONT, J.
dc.contributor.authorBONNEFOY, S.
dc.contributor.authorBORDAS, P.
hal.structure.identifierLaboratoire Univers et Particules de Montpellier [LUPM]
dc.contributor.authorBREGEON, J.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorBRUN, F.
hal.structure.identifierInstitut de Recherches sur les lois Fondamentales de l'Univers [IRFU]
dc.contributor.authorBRUN, P.
dc.contributor.authorBRYAN, M.
dc.contributor.authorBÜCHELE, M.
dc.contributor.authorBULIK, T.
dc.contributor.authorCAPASSO, M.
hal.structure.identifierLaboratoire Leprince-Ringuet [LLR]
dc.contributor.authorCAROFF, S.
hal.structure.identifierLaboratoire d'Annecy de Physique des Particules [LAPP]
dc.contributor.authorCAROSI, A.
hal.structure.identifierCentre de Physique des Particules de Marseille [CPPM]
dc.contributor.authorCARR, J.
dc.contributor.authorCASANOVA, S.
hal.structure.identifierLaboratoire de Physique Nucléaire et de Hautes Énergies [LPNHE (UMR_7585)]
dc.contributor.authorCERRUTI, M.
dc.contributor.authorCHAKRABORTY, N.
hal.structure.identifierLaboratoire Univers et Particules de Montpellier [LUPM]
dc.contributor.authorCHAVES, R.C.G.
dc.contributor.authorCHEN, A.
hal.structure.identifierLaboratoire d'Annecy de Physique des Particules [LAPP]
dc.contributor.authorCHEVALIER, J.
dc.contributor.authorCOLAFRANCESCO, S.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorCONDON, B.
dc.contributor.authorCONRAD, J.
dc.contributor.authorDAVIDS, I.D.
hal.structure.identifierInstitut de Recherches sur les lois Fondamentales de l'Univers [IRFU]
dc.contributor.authorDECOCK, J.
dc.contributor.authorDEIL, C.
hal.structure.identifierLaboratoire Univers et Particules de Montpellier [LUPM]
dc.contributor.authorDEVIN, J.
dc.contributor.authorDEWILT, P.
dc.contributor.authorDIRSON, L.
hal.structure.identifierAstroParticule et Cosmologie [APC (UMR_7164)]
dc.contributor.authorDJANNATI-ATAÏ, A.
dc.contributor.authorDOMAINKO, W.
dc.contributor.authorDONATH, A.
dc.contributor.authorDRURY, L.O'C.
dc.contributor.authorDUTSON, K.
dc.contributor.authorDYKS, J.
dc.contributor.authorEDWARDS, T.
dc.contributor.authorEGBERTS, K.
dc.contributor.authorEGER, P.
hal.structure.identifierLaboratoire de Physique Nucléaire et de Hautes Énergies [LPNHE (UMR_7585)]
dc.contributor.authorEMERY, G.
hal.structure.identifierCentre de Physique des Particules de Marseille [CPPM]
dc.contributor.authorERNENWEIN, J.-P.
dc.contributor.authorESCHBACH, S.
dc.contributor.authorFARNIER, C.
hal.structure.identifierLaboratoire Leprince-Ringuet [LLR]
dc.contributor.authorFEGAN, S.
dc.contributor.authorFERNANDES, M.V.
hal.structure.identifierLaboratoire d'Annecy de Physique des Particules [LAPP]
dc.contributor.authorFIASSON, A.
hal.structure.identifierLaboratoire Leprince-Ringuet [LLR]
dc.contributor.authorFONTAINE, G.
dc.contributor.authorFÖRSTER, A.
dc.contributor.authorFUNK, S.
dc.contributor.authorFÜSSLING, M.
hal.structure.identifierAstroParticule et Cosmologie [APC (UMR_7164)]
dc.contributor.authorGABICI, S.
hal.structure.identifierLaboratoire Univers et Particules de Montpellier [LUPM]
dc.contributor.authorGALLANT, Y.A.
dc.contributor.authorGARRIGOUX, T.
hal.structure.identifierLaboratoire d'Annecy de Physique des Particules [LAPP]
dc.contributor.authorGATÉ, F.
dc.contributor.authorGIAVITTO, G.
hal.structure.identifierLaboratoire Leprince-Ringuet [LLR]
dc.contributor.authorGIEBELS, B.
dc.contributor.authorGLAWION, D.
hal.structure.identifierInstitut de Recherches sur les lois Fondamentales de l'Univers [IRFU]
dc.contributor.authorGLICENSTEIN, J.F.
dc.contributor.authorGOTTSCHALL, D.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorGRONDIN, M.-H.
dc.contributor.authorHAHN, J.
dc.contributor.authorHAUPT, M.
dc.contributor.authorHAWKES, J.
dc.contributor.authorHEINZELMANN, G.
hal.structure.identifierInstitut de Planétologie et d'Astrophysique de Grenoble [IPAG]
dc.contributor.authorHENRI, G.
dc.contributor.authorHERMANN, G.
dc.contributor.authorHINTON, J.A.
dc.contributor.authorHOFMANN, W.
dc.contributor.authorHOISCHEN, C.
dc.contributor.authorHOLCH, T.L.
dc.contributor.authorHOLLER, M.
dc.contributor.authorHORNS, D.
dc.contributor.authorIVASCENKO, A.
dc.contributor.authorIWASAKI, H.
hal.structure.identifierLaboratoire de Physique Nucléaire et de Hautes Énergies [LPNHE (UMR_7585)]
dc.contributor.authorJACHOLKOWSKA, A.
dc.contributor.authorJAMROZY, M.
dc.contributor.authorJANIAK, M.
dc.contributor.authorJANKOWSKY, D.
dc.contributor.authorJANKOWSKY, F.
dc.contributor.authorJINGO, M.
hal.structure.identifierAstroParticule et Cosmologie [APC (UMR_7164)]
dc.contributor.authorJOUVIN, L.
dc.contributor.authorJUNG-RICHARDT, I.
dc.contributor.authorKASTENDIECK, M.A.
dc.contributor.authorKATARZYŃSKI, K.
dc.contributor.authorKATSURAGAWA, M.
dc.contributor.authorKATZ, U.
hal.structure.identifierLaboratoire de Physique Nucléaire et de Hautes Énergies [LPNHE (UMR_7585)]
dc.contributor.authorKERSZBERG, D.
dc.contributor.authorKHANGULYAN, D.
hal.structure.identifierAstroParticule et Cosmologie [APC (UMR_7164)]
dc.contributor.authorKHÉLIFI, B.
dc.contributor.authorKING, J.
dc.contributor.authorKLEPSER, S.
dc.contributor.authorKLOCHKOV, D.
dc.contributor.authorKLUŹNIAK, W.
dc.contributor.authorKOMIN, Nu.
hal.structure.identifierInstitut de Recherches sur les lois Fondamentales de l'Univers [IRFU]
dc.contributor.authorKOSACK, K.
dc.contributor.authorKRAKAU, S.
dc.contributor.authorKRAUS, M.
dc.contributor.authorKRÜGER, P.P.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorLAFFON, H.
hal.structure.identifierLaboratoire d'Annecy de Physique des Particules [LAPP]
dc.contributor.authorLAMANNA, G.
dc.contributor.authorLAU, J.
hal.structure.identifierLaboratoire d'Annecy de Physique des Particules [LAPP]
dc.contributor.authorLEES, J.-P.
hal.structure.identifierLaboratoire Univers et Théories [LUTH (UMR_8102)]
dc.contributor.authorLEFAUCHEUR, J.
hal.structure.identifierAstroParticule et Cosmologie [APC (UMR_7164)]
dc.contributor.authorLEMIÈRE, A.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorLEMOINE-GOUMARD, M.
hal.structure.identifierLaboratoire de Physique Nucléaire et de Hautes Énergies [LPNHE (UMR_7585)]
dc.contributor.authorLENAIN, J.-P.
dc.contributor.authorLESER, E.
dc.contributor.authorLIU, R.
dc.contributor.authorLOHSE, T.
hal.structure.identifierInstitut de Recherches sur les lois Fondamentales de l'Univers [IRFU]
dc.contributor.authorLORENTZ, M.
dc.contributor.authorLÓPEZ-COTO, R.
dc.contributor.authorLYPOVA, I.
dc.contributor.authorMALYSHEV, D.
dc.contributor.authorMARANDON, V.
hal.structure.identifierLaboratoire Univers et Particules de Montpellier [LUPM]
dc.contributor.authorMARCOWITH, Alexandre
hal.structure.identifierLaboratoire Leprince-Ringuet [LLR]
dc.contributor.authorMARIAUD, C.
dc.contributor.authorMARX, R.
hal.structure.identifierLaboratoire d'Annecy de Physique des Particules [LAPP]
dc.contributor.authorMAURIN, G.
dc.contributor.authorMAXTED, N.
dc.contributor.authorMAYER, M.
dc.contributor.authorMEINTJES, P.J.
dc.contributor.authorMEYER, M.
dc.contributor.authorMITCHELL, A.M.W.
dc.contributor.authorMODERSKI, R.
dc.contributor.authorMOHAMED, M.
dc.contributor.authorMOHRMANN, L.
dc.contributor.authorMORÅ, K.
hal.structure.identifierInstitut de Recherches sur les lois Fondamentales de l'Univers [IRFU]
dc.contributor.authorMOULIN, E.
dc.contributor.authorMURACH, T.
dc.contributor.authorNAKASHIMA, S.
hal.structure.identifierLaboratoire Leprince-Ringuet [LLR]
dc.contributor.authorDE NAUROIS, M.
dc.contributor.authorNDIYAVALA, H.
dc.contributor.authorNIEDERWANGER, F.
dc.contributor.authorNIEMIEC, J.
dc.contributor.authorOAKES, L.
dc.contributor.authorO'BRIEN, P.
dc.contributor.authorODAKA, H.
dc.contributor.authorOHM, S.
dc.contributor.authorOSTROWSKI, M.
dc.contributor.authorOYA, I.
hal.structure.identifierLaboratoire Univers et Particules de Montpellier [LUPM]
dc.contributor.authorPADOVANI, M.
dc.contributor.authorPANTER, M.
dc.contributor.authorPARSONS, R.D.
dc.contributor.authorPEKEUR, N.W.
hal.structure.identifierInstitut de Planétologie et d'Astrophysique de Grenoble [IPAG]
dc.contributor.authorPELLETIER, G.
hal.structure.identifierLaboratoire de Physique Nucléaire et de Hautes Énergies [LPNHE (UMR_7585)]
dc.contributor.authorPERENNES, C.
hal.structure.identifierInstitut de Planétologie et d'Astrophysique de Grenoble [IPAG]
dc.contributor.authorPETRUCCI, P.-O.
hal.structure.identifierInstitut de Recherches sur les lois Fondamentales de l'Univers [IRFU]
dc.contributor.authorPEYAUD, B.
hal.structure.identifierLaboratoire d'Annecy de Physique des Particules [LAPP]
dc.contributor.authorPIEL, Q.
hal.structure.identifierAstroParticule et Cosmologie [APC (UMR_7164)]
dc.contributor.authorPITA, S.
hal.structure.identifierLaboratoire d'Annecy de Physique des Particules [LAPP]
dc.contributor.authorPOIREAU, V.
dc.contributor.authorPOON, H.
dc.contributor.authorPROKHOROV, D.
dc.contributor.authorPROKOPH, H.
dc.contributor.authorPÜHLHOFER, G.
hal.structure.identifierAstroParticule et Cosmologie [APC (UMR_7164)]
dc.contributor.authorPUNCH, M.
dc.contributor.authorQUIRRENBACH, A.
dc.contributor.authorRAAB, S.
dc.contributor.authorRAUTH, R.
dc.contributor.authorREIMER, A.
dc.contributor.authorREIMER, O.
hal.structure.identifierLaboratoire Univers et Particules de Montpellier [LUPM]
dc.contributor.authorRENAUD, Matthieu
dc.contributor.authorDE LOS REYES, R.
dc.contributor.authorRIEGER, F.
hal.structure.identifierInstitut de Recherches sur les lois Fondamentales de l'Univers [IRFU]
dc.contributor.authorRINCHIUSO, L.
dc.contributor.authorROMOLI, C.
dc.contributor.authorROWELL, G.
dc.contributor.authorRUDAK, B.
hal.structure.identifierLaboratoire Univers et Théories [LUTH (UMR_8102)]
dc.contributor.authorRULTEN, C.B.
dc.contributor.authorSAHAKIAN, V.
dc.contributor.authorSAITO, S.
hal.structure.identifierLaboratoire d'Annecy de Physique des Particules [LAPP]
dc.contributor.authorSANCHEZ, D.A.
dc.contributor.authorSANTANGELO, A.
dc.contributor.authorSASAKI, M.
dc.contributor.authorSCHANDRI, M.
dc.contributor.authorSCHLICKEISER, R.
hal.structure.identifierInstitut de Recherches sur les lois Fondamentales de l'Univers [IRFU]
dc.contributor.authorSCHÜSSLER, F.
dc.contributor.authorSCHULZ, A.
dc.contributor.authorSCHWANKE, U.
dc.contributor.authorSCHWEMMER, S.
hal.structure.identifierInstitut de Recherches sur les lois Fondamentales de l'Univers [IRFU]
dc.contributor.authorSEGLAR-ARROYO, M.
hal.structure.identifierLaboratoire de Physique Nucléaire et de Hautes Énergies [LPNHE (UMR_7585)]
dc.contributor.authorSETTIMO, M.
dc.contributor.authorSEYFFERT, A.S.
dc.contributor.authorSHAFI, N.
dc.contributor.authorSHILON, I.
dc.contributor.authorSHININGAYAMWE, K.
dc.contributor.authorSIMONI, R.
hal.structure.identifierLaboratoire Univers et Théories [LUTH (UMR_8102)]
dc.contributor.authorSOL, H.
dc.contributor.authorSPANIER, F.
hal.structure.identifierAstroParticule et Cosmologie [APC (UMR_7164)]
dc.contributor.authorSPIR-JACOB, M.
dc.contributor.authorSTAWARZ, Ł.
dc.contributor.authorSTEENKAMP, R.
dc.contributor.authorSTEGMANN, C.
dc.contributor.authorSTEPPA, C.
dc.contributor.authorSUSHCH, I.
dc.contributor.authorTAKAHASHI, T.
hal.structure.identifierLaboratoire de Physique Nucléaire et de Hautes Énergies [LPNHE (UMR_7585)]
dc.contributor.authorTAVERNET, J.-P.
hal.structure.identifierAstroParticule et Cosmologie [APC (UMR_7164)]
dc.contributor.authorTAVERNIER, T.
dc.contributor.authorTAYLOR, A.M.
hal.structure.identifierAstroParticule et Cosmologie [APC (UMR_7164)]
dc.contributor.authorTERRIER, R.
dc.contributor.authorTIBALDO, L.
dc.contributor.authorTIZIANI, D.
dc.contributor.authorTLUCZYKONT, M.
hal.structure.identifierCentre de Physique des Particules de Marseille [CPPM]
dc.contributor.authorTRICHARD, C.
hal.structure.identifierLaboratoire Univers et Particules de Montpellier [LUPM]
dc.contributor.authorTSIROU, M.
dc.contributor.authorTSUJI, N.
dc.contributor.authorTUFFS, R.
dc.contributor.authorUCHIYAMA, Y.
dc.contributor.authorVAN DER WALT, J.
dc.contributor.authorVAN ELDIK, C.
dc.contributor.authorVAN RENSBURG, C.
dc.contributor.authorVAN SOELEN, B.
hal.structure.identifierLaboratoire Univers et Particules de Montpellier [LUPM]
dc.contributor.authorVASILEIADIS, George
dc.contributor.authorVEH, J.
dc.contributor.authorVENTER, C.
dc.contributor.authorVIANA, A.
hal.structure.identifierLaboratoire de Physique Nucléaire et de Hautes Énergies [LPNHE (UMR_7585)]
dc.contributor.authorVINCENT, P.
dc.contributor.authorVINK, J.
dc.contributor.authorVOISIN, F.
dc.contributor.authorVÖLK, H.J.
hal.structure.identifierLaboratoire d'Annecy de Physique des Particules [LAPP]
dc.contributor.authorVUILLAUME, T.
dc.contributor.authorWADIASINGH, Z.
dc.contributor.authorWAGNER, S.J.
dc.contributor.authorWAGNER, P.
dc.contributor.authorWAGNER, R.M.
dc.contributor.authorWHITE, R.
dc.contributor.authorWIERZCHOLSKA, A.
dc.contributor.authorWILLMANN, P.
dc.contributor.authorWÖRNLEIN, A.
hal.structure.identifierInstitut de Recherches sur les lois Fondamentales de l'Univers [IRFU]
dc.contributor.authorWOUTERS, D.
dc.contributor.authorYANG, R.
hal.structure.identifierLaboratoire Leprince-Ringuet [LLR]
dc.contributor.authorZABOROV, D.
dc.contributor.authorZACHARIAS, M.
dc.contributor.authorZANIN, R.
dc.contributor.authorZDZIARSKI, A.A.
hal.structure.identifierLaboratoire Univers et Théories [LUTH (UMR_8102)]
dc.contributor.authorZECH, A.
hal.structure.identifierLaboratoire Leprince-Ringuet [LLR]
dc.contributor.authorZEFI, F.
dc.contributor.authorZIEGLER, A.
dc.contributor.authorZORN, J.
dc.contributor.authorZYWUCKA, N.
dc.date.issued2018
dc.description.abstractEnSpectral lines are among the most powerful signatures for dark matter (DM) annihilation searches in very-high-energy γ rays. The central region of the Milky Way halo is one of the most promising targets given its large amount of DM and proximity to Earth. We report on a search for a monoenergetic spectral line from self-annihilations of DM particles in the energy range from 300 GeV to 70 TeV using a two-dimensional maximum likelihood method taking advantage of both the spectral and spatial features of the signal versus background. The analysis makes use of Galactic center observations accumulated over ten years (2004–2014) with the H.E.S.S. array of ground-based Cherenkov telescopes. No significant γ-ray excess above the background is found. We derive upper limits on the annihilation cross section ⟨σv⟩ for monoenergetic DM lines at the level of 4×10-28  cm3 s-1 at 1 TeV, assuming an Einasto DM profile for the Milky Way halo. For a DM mass of 1 TeV, they improve over the previous ones by a factor of 6. The present constraints are the strongest obtained so far for DM particles in the mass range 300 GeV–70 TeV. Ground-based γ-ray observations have reached sufficient sensitivity to explore relevant velocity-averaged cross sections for DM annihilation into two γ-ray photons at the level expected from the thermal relic density for TeV DM particles.
dc.language.isoen
dc.subject.endark matter: annihilation
dc.subject.endark matter: mass
dc.subject.encross section: annihilation
dc.subject.engalaxy: halo
dc.subject.enrelic density: thermal
dc.subject.engamma ray: VHE
dc.subject.endimension: 2
dc.subject.enspectral
dc.subject.engamma ray: background
dc.subject.enWIMP
dc.subject.endata analysis method
dc.subject.enGLAST
dc.subject.enMAGIC
dc.subject.enflux: upper limit
dc.subject.enblack hole
dc.subject.enCherenkov counter
dc.subject.encentral region
dc.subject.ensensitivity
dc.subject.ensignature
dc.subject.enphoton
dc.subject.enHESS
dc.subject.enS030DMA
dc.subject.enS046PHB
dc.title.enSearch for $\gamma$-Ray Line Signals from Dark Matter Annihilations in the Inner Galactic Halo from 10 Years of Observations with H.E.S.S.
dc.typeDocument de travail - Pré-publication
dc.identifier.doi10.1103/PhysRevLett.120.201101
dc.subject.halPhysique [physics]/Astrophysique [astro-ph]
dc.identifier.arxiv1805.05741
bordeaux.page201101
hal.identifierhal-01801921
hal.version1
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01801921v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.date=2018&rft.spage=201101&rft.epage=201101&rft.au=ABDALLAH,%20H.&ABRAMOWSKI,%20A.&AHARONIAN,%20F.&AIT%20BENKHALI,%20F.&ANG%C3%9CNER,%20E.O.&rft.genre=preprint


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