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In-flight measurement of the absolute energy scale of the Fermi Large Area Telescope

dc.contributor.authorACKERMANN, Markus
dc.contributor.authorAJELLO, Marco
dc.contributor.authorALLAFORT, A.
dc.contributor.authorATWOOD, W.B.
dc.contributor.authorAXELSSON, Magnus
dc.contributor.authorBALDINI, Luca
dc.contributor.authorBARBIELLINI, Guido
dc.contributor.authorBASTIERI, D.
dc.contributor.authorBECHTOL, K.
dc.contributor.authorBELLAZZINI, R.
dc.contributor.authorBERENJI, B.
dc.contributor.authorBLOOM, E.D.
dc.contributor.authorBONAMENTE, E.
dc.contributor.authorBORGLAND, A.W.
dc.contributor.authorBOUVIER, A.
dc.contributor.authorBREGEON, J.
dc.contributor.authorBREZ, A.
dc.contributor.authorBRIGIDAM, M.
hal.structure.identifierLaboratoire Leprince-Ringuet [LLR]
dc.contributor.authorBRUEL, Pascal
dc.contributor.authorBUEHLER, R.
dc.contributor.authorBUSON, S.
dc.contributor.authorCALIANDRO, G.A.
dc.contributor.authorCAMERON, R.A.
dc.contributor.authorCARAVEO, P. A.
dc.contributor.authorCASANDJIAN, J.M.
dc.contributor.authorCECCHI, C.
dc.contributor.authorCHARLES, E.
dc.contributor.authorCHEKHTMAN, A.
dc.contributor.authorCHIANG, J.
dc.contributor.authorCIPRINI, S.
dc.contributor.authorCLAUS, R.
dc.contributor.authorCOHEN-TANUGI, J.
dc.contributor.authorCUTINI, S.
dc.contributor.authorDE PALMAM, F.
dc.contributor.authorDERMER, C.D.
dc.contributor.authorDIGEL, S.W.
dc.contributor.authorSILVA, E.
dc.contributor.authorDRELL, P.S.
dc.contributor.authorDRLICA-WAGNER, A.
dc.contributor.authorDUBOIS, R.
dc.contributor.authorENOTO, T.
dc.contributor.authorFALLETTI, L.
dc.contributor.authorFAVUZZIM, C.
hal.structure.identifierLaboratoire Leprince-Ringuet [LLR]
dc.contributor.authorFEGAN, S.J.
dc.contributor.authorFOCKE, W.B.
hal.structure.identifierLaboratoire Leprince-Ringuet [LLR]
dc.contributor.authorFORTIN, P.
dc.contributor.authorFUKAZAWA, Y.
dc.contributor.authorFUNK, S.
dc.contributor.authorFUSCOM, P.
dc.contributor.authorGARGANO, F.
dc.contributor.authorGEHRELS, N.
dc.contributor.authorGERMANI, S.
dc.contributor.authorGIGLIETTO, N.
dc.contributor.authorGIORDANO, F.
dc.contributor.authorGIROLETTI, M.
dc.contributor.authorGLANZMAN, T.
dc.contributor.authorGODFREY, G.
dc.contributor.authorGRENIER, I.A.
dc.contributor.authorGROVE, J.E.
dc.contributor.authorGUIRIEC, S.
dc.contributor.authorHADASCH, D.
dc.contributor.authorHAYASHIDA, M.
dc.contributor.authorHAYS, E.
dc.contributor.authorHUGHES, R.E.
dc.contributor.authorJÓHANNESSON, G.
dc.contributor.authorJOHNSON, A.S.
dc.contributor.authorJOHNSON, T.J.
dc.contributor.authorKAMAE, T.
dc.contributor.authorKATAGIRI, H.
dc.contributor.authorKATAOKA, J.
hal.structure.identifierInstitut de recherche en astrophysique et planétologie [IRAP]
dc.contributor.authorKNÖDLSEDER, Jürgen
dc.contributor.authorKUSS, M.
dc.contributor.authorLANDE, J.
dc.contributor.authorLATRONICO, L.
dc.contributor.authorLEE, S.-H.
dc.contributor.authorLONGO, F.
dc.contributor.authorLOPARCO, F.
dc.contributor.authorLOVELLETTE, M.N.
dc.contributor.authorLUBRANO, P.
dc.contributor.authorMADEJSKI, G.M.
dc.contributor.authorMAZZIOTTA, M.N.
dc.contributor.authorMCENERY, J.E.
dc.contributor.authorMICHELSON, P.F.
dc.contributor.authorMIZUNO, T.
dc.contributor.authorMOISEEV, A.A.
dc.contributor.authorMONTE, C.
dc.contributor.authorMONZANI, M.E.
dc.contributor.authorMORSELLI, A.
dc.contributor.authorMOSKALENKO, I.V.
dc.contributor.authorMURGIA, S.
dc.contributor.authorNAKAMORI, T.
hal.structure.identifierAstrophysique Interprétation Modélisation [AIM (UMR7158 / UMR_E_9005 / UM_112)]
dc.contributor.authorNAUMANN-GODO, M.
dc.contributor.authorNOLAN, P.L.
dc.contributor.authorNORRIS, J.P.
hal.structure.identifierLaboratoire Univers et Particules de Montpellier [LUPM]
dc.contributor.authorNUSS, E.
dc.contributor.authorOHSUGI, T.
dc.contributor.authorOKUMURA, A.
dc.contributor.authorOMODEI, N.
dc.contributor.authorORLANDO, E.
dc.contributor.authorORMES, J.F.
dc.contributor.authorOZAKI, M.
dc.contributor.authorPANEQUE, D.
dc.contributor.authorPANETTA, J.H.
dc.contributor.authorPARENT, D.
dc.contributor.authorPESCE-ROLLINS, M.
hal.structure.identifierAstrophysique Interprétation Modélisation [AIM (UMR7158 / UMR_E_9005 / UM_112)]
dc.contributor.authorPIERBATTISTA, M.
hal.structure.identifierLaboratoire Univers et Particules de Montpellier [LUPM]
dc.contributor.authorPIRON, F.
dc.contributor.authorRAINÒ, S.
dc.contributor.authorRANDO, R.
dc.contributor.authorRAZZANO, M.
dc.contributor.authorREIMER, A.
dc.contributor.authorREIMER, O.
hal.structure.identifierGLAST
dc.contributor.authorREPOSEUR, T.
dc.contributor.authorRITZ, S.
dc.contributor.authorROCHESTER, L.S.
dc.contributor.authorSGRÒ, C.
dc.contributor.authorSISKIND, E.J.
dc.contributor.authorSMITH, P.D.
dc.contributor.authorSPANDRE, G.
dc.contributor.authorSPINELLI, P.
dc.contributor.authorSUSON, D.J.
dc.contributor.authorTAKAHASHI, H.
dc.contributor.authorTANAKA, T.
dc.contributor.authorTHAYER, J.G.
dc.contributor.authorTHAYER, J.B.
dc.contributor.authorTHOMPSON, D.J.
dc.contributor.authorTIBALDO, L.
dc.contributor.authorTOSTI, G.
dc.contributor.authorTROJA, E.
dc.contributor.authorUSHER, T.L.
dc.contributor.authorVANDENBROUCKE, J.
hal.structure.identifierLaboratoire Univers et Particules de Montpellier [LUPM]
dc.contributor.authorVASILEIOU, V.
dc.contributor.authorVIANELLO, G.
hal.structure.identifierInstitut de recherche en astrophysique et planétologie [IRAP]
dc.contributor.authorVILCHEZ, N.
dc.contributor.authorVITALE, V.
dc.contributor.authorWAITE, A.P.
dc.contributor.authorWANG, P.
dc.contributor.authorWINER, B.L.
dc.contributor.authorWOOD, K.S.
dc.contributor.authorYANG, Z.
dc.contributor.authorZIMMER, S.
dc.date.issued2012
dc.identifier.issn0927-6505
dc.description.abstractEnThe LargeAreaTelescope (LAT) on-board the Fermi Gamma-ray Space Telescope is a pair-conversion telescope designed to survey the gamma-ray sky from 20 MeV to several hundreds of GeV. In this energy band there are no astronomical sources with sufficiently well known and sharp spectral features to allow an absolute calibration of the LAT energyscale. However, the geomagnetic cutoff in the cosmic ray electron-plus-positron (CRE) spectrum in low Earth orbit does provide such a spectral feature. The energy and spectral shape of this cutoff can be calculated with the aid of a numerical code tracing charged particles in the Earth's magnetic field. By comparing the cutoff value with that measured by the LAT in different geomagnetic positions, we have obtained several calibration points between ∼6 and ∼13 GeV with an estimated uncertainty of ∼2%. An energy calibration with such high accuracy reduces the systematic uncertainty in LAT measurements of, for example, the spectral cutoff in the emission from gamma ray pulsars.
dc.language.isoen
dc.publisherElsevier
dc.title.enIn-flight measurement of the absolute energy scale of the Fermi Large Area Telescope
dc.typeArticle de revue
dc.identifier.doi10.1016/j.astropartphys.2011.10.007
dc.subject.halPhysique [physics]/Astrophysique [astro-ph]/Phénomènes cosmiques de haute energie [astro-ph.HE]
dc.subject.halPlanète et Univers [physics]/Astrophysique [astro-ph]/Phénomènes cosmiques de haute energie [astro-ph.HE]
dc.identifier.arxiv1108.0201
bordeaux.journalAstroparticle Physics
bordeaux.page346-353
bordeaux.volume5
bordeaux.peerReviewedoui
hal.identifierin2p3-00684886
hal.version1
hal.popularnon
hal.audienceNon spécifiée
dc.subject.itCosmic-rays Geomagnetic cutoff Absolute energy scale Fermi Large Area Telescope
hal.origin.linkhttps://hal.archives-ouvertes.fr//in2p3-00684886v1
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