6533b86efe1ef96bd12cc8cc
RESEARCH PRODUCT
The effect of the geomagnetic field on cosmic ray energy estimates and large scale anisotropy searches on data from the Pierre Auger Observatory
J. AbrahamP. AbreuM. AgliettaC. AguirreE. J. AhnD. AllardI. AllekotteJ. AllenP. AllisonJ. Alvarez MunizM. AmbrosioL. AnchordoquiS. AndringaA. AnzaloneC. AramoE. ArgandaS. ArgirK. ArisakaF. ArneodoF. ArquerosT. AschH. AsoreyP. AssisJ. AublinM. AveG. AvilaA. BacherT. BackerD. BadagnaniK. B. BarberA. F. BarbosaH. J. M. BarbosaN. BarenthienS. L. C. BarrosoB. BaughmanP. BauleoJ. J. BeattyT. BeauB. R. BeckerK. H. BeckerA. BelletoileJ. A. BellidoS. BenzviC. BeratX. BertouP. L. BiermannP. BilloirO. Blanch BigasF. BlancoC. BleveH. BlumerM. BohacovaE. BollmannH. BolzC. BonifaziR. BoninoN. BorodaiF. BracciJ. BrackP. BrogueiraW. C. BrownR. BruijnP. BuchholzA. BuenoR. E. BurtonN. G. BuscaK. S. Caballero MoraD. CaminL. CarameteR. CarusoW. CarvalhoA. CastellinaJ. CastroO. CatalanoG. CataldiL. CazonR. CesterJ. ChauvinA. ChiavassaJ. A. ChinellatoA. ChouJ. ChudobaJ. ChyeP. D. J. ClarkR. W. ClayE. ColomboR. ConceicaoB. ConnollyF. ContrerasJ. CoppensA. CorderoA. CordierU. CottiS. CoutuC. E. CovaultA. CreusotA. CrissJ. W. CroninJ. CuautleA. CurutiuS. Dagoret CampagneR. DallierF. DaudoK. DaumillerB. R. DawsonR. M. De AlmeidaM. De DomenicoC. De DonatoS. J. De JongG. De La VegaW. J. M. De Mello JuniorJ. R. T. De Mello NetoV. De SouzaK. D. De VriesG. DecerpritL. Del PeralO. DelignyA. Della SelvaC. Delle FratteH. DembinskiC. Di GiulioJ. C. DiazP. N. DiepC. DobrigkeitJ. C. D’olivoP. N. DongD. DornicA. DorofeevJ. C. Dos AnjosM. T. DovaD. D’ursoI. DutanM. A. Du VernoisR. EngelM. ErdmannC. O. EscobarA. EtchegoyenP. Facal San LuisH. FalckeG. FarrarA. C. FauthN. FazziniF. FerrerA. FerreroB. FickA. FilevichA. FilipcicI. FleckS. FliescherR. FonteC. E. FracchiollaE. D. FraenkelW. FulgioneR. F. Gama RraS. GambettaB. GarcıaD. Garcıa GamezD. Garcia PintoX. GarridoH. GeenenG. GelminiH. GemmekeaiP. L. GhiaU. GiaccariK. GibbsM. GillerJ. GittoH. GlassL. M. GogginM. S. GoldG. GolupF. Gomez AlbarracinM. Gomez BerissoP. F. Gomez VitaleP. GoncalvesM. Goncalves Do AmaralD. GonzalezJ. G. GonzalezD. GoraA. GorgiP. GouffonE. GrashornV. GrassiS. GrebeM. GrigatA. F. GrilloJ. GrygarY. GuardincerriN. GuardoneC. GuerardF. GuarinoR. GumbsheimerG. P. GuedesJ. GutierrezJ. D. HagueV. HalenkaP. HansenD. HarariS. HarmsmaS. HartmannJ. L. HartonA. HaungsM. D. HealyT. HebbekerG. HebreroD. HeckC. HojvatV. C. HolmesP. HomolaG. HofmanJ. R. HorandelA. HornefferM. HorvatM. HrabovskyH. HuckerT. HuegeM. HussainM. IarloriA. InsoliaF. IonitaA. ItalianoS. JiraskovaM. KaducakK. H. KampertT. KarovaP. KasperB. KeB. KeilhauerE. KempqH. KernR. M. KieckhaferH. O. KlagesM. . KleifgesJ. KleinfellerR. KnapikJ. KnappD. H. KoangA. KopmannA. KriegerO. KromerD. Kruppke HansenD. KuempelN. KunkaA. KusenkoG. La RosaC. LachaudB. L. LagoP. LautridouM. S. A. B. LeaoD. LebrunP. LebrunJ. LeeM. A. Leiguide OliveiraA. LemiereA. Letessier SelvonM. LeutholdI. Lhenry YvonR. LopezA. Lopez AgueraK. LouedecJ. Lozano BahiloA. LuceroH. LyberisM. C. MaccaroneC. MacolinoS. MalderaM. MalekD. MandatP. MantschF. MarchettoA. G. MariazziI. C. MarisH. R. Marquez FalconO. MartineauO. Martınez BravoH. J. MathesJ. MatthewsJ. A. J. MatthewsG. MatthiaeD. MaurizioP. O. MazurM. McewenR. R. McneilG. Medina TancoM. MelissasD. MeloE. MenichettiA. MenshikovR. MeyhandanM. I. MichelettiG. MieleW. MillerL. MiramontiS. MollerachM. MonasorD. Monnier RagaigneF. MontanetB. MoralesC. MorelloJ. C. MorenoC. MorrisM. MostafaC. A. MouraM. MucchiS. MuellerM. . A. MullerR. MussaG. NavarraJ. L. NavarroS. NavasP. NecesalL. NellenF. NerlingC. Newman HolmesD. NewtonP. T. NhungD. NicotraN. NierstenhoeferD. NitzD. NosekL. NozkaM. NyklicekJ. OehlschlagerA. OlintoP. OlivaV. M. Olmos GilbajaM. OrtizF. OrtolaniB. OßwaldN. PachecoD. Pakk Selmi DeiM. PalatkaJ. PallottaG. ParenteE. ParizotS. ParlatiS. PastorM. PatelT. PaulV. PavlidouK. PayetM. PechJ. PekalaI. M. PepeR. PesceE. PetermannS. PetreraP. PetrincaA. PetroliniY. PetrovJ. PetrovicC. PfendnerA. PichelR. PiegaiaT. PierogM. PimentaT. PintoV. PirronelloO. PisantiM. PlatinoJ. PochonV. H. PonceM. PontzJ. PouryamoutL. Prado J.r.P. PriviteraM. ProuzaE. J. QuelG. RaiaJ. RautenbergO. RavelD. RavignaniA. RedondoH. C. ReisS. ReucroftB. RevenuF. A. S. RezendemJ. RidkyS. RiggiM. RisseC. RiviereV. RiziC. RobledoM. D. RobertsG. RodriguezJ. Ro Driguez MartinoJ. Rodriguez RojoI. Rodriguez CaboM. D. Rodrıguez FriasG. RosJ. RosadoT. RosslerM. RothB. Rouille D’orfeuilE. RouletA. C. RoveroF. SalamidaH. SalazarG. SalinaF. SanchezM. SantanderC. E. SantoE. M. SantosF. SarazinS. SarkarR. SatoN. ScharfV. ScheriniH. SchielerP. SchifferG. SchleifA. SchmidtF. SchmidtT. SchmidtO. ScholtenH. SchoorlemmerJ. SchovancovaP. SchovanekF. SchroederS. SchulteF. SchusslerD. SchusterS. J. SciuttoM. ScuderiA. SegretoD. SemikozG. SequierosM. SettimoR. C. ShellardI. SidelnikB. B. SiffertA. SmiakowskiR. SmıdaA. G. K. SmithB. E. SmithG. R. SnowP. SommersJ. SorokinH. SpinkaR. SquartiniE. StrazzeriA. StutzF. SuarezT. SuomijarviA. D. SupanitskyM. S. SutherlandJ. SwainZ. SzadkowskiA. TamashiroA. TamburroT. TarutinaO. TascauR. TcaciucD. TcherniakhovskiN. T. ThaoD. ThomasR. TiconaJ. TiffenbergC. TimmermansW. TkaczykC. J. Todero PeixotoB. TomeA. TonachiniI. TorresP. TrapaniP. TravnicekD. B. TridapalliG. TristramE. TrovatoV. TuciM. TuerosE. TusiR. UlrichM. UngerM. UrbanJ. F. Valdes GaliciaI. ValinoL. ValoreA. M. Van Den BergJ. R. VazquezR. A. VazquezD. VebericA. VelardeT. VentersV. VerziM. VidelaL. VillasenorG. VitaliS. VorobiovL. VoyvodicH. WahlbergP. WahrlichO. WainbergD. WarnerS. WesterhoffB. J. WhelanN. WildC. WiebuschG. WieczorekL. WienckeB. WilczynskaH. WilczynskiC. WilemanM. G. WinnickG. WornerH. WuacB. WundheilerT. YamamotoP. YounkG. YuanA. YushkovE. ZasD. ZavrtanikM. ZavrtanikI. ZawA. ZepedaM. ZiolkowskiMaria Rita ColucciaIvan De MitriGiovanni MarsellaDaniele MartelloLorenzo Perronesubject
[PHYS.ASTR.IM]Physics [physics]/Astrophysics [astro-ph]/Instrumentation and Methods for Astrophysic [astro-ph.IM]Astrophysics::High Energy Astrophysical PhenomenaFOS: Physical sciencescosmic ray experimentCosmic rayAstrophysicsultra high energy cosmic raysEXTENSIVE AIR-SHOWERS01 natural sciencesDeclinationultra high energy cosmic ray0103 physical sciencescosmic rays detectors; cosmic ray experiments; ultra high energy cosmic rayscosmic rays detectorAnisotropyInstrumentation and Methods for Astrophysics (astro-ph.IM)010303 astronomy & astrophysicsZenithParticle detectors.Pierre Auger ObservatoryPhysics010308 nuclear & particles physicsPhysicsOBSERVATÓRIOSAstrophysics::Instrumentation and Methods for AstrophysicsFísicaAstronomy and Astrophysics[SDU.ASTR.IM]Sciences of the Universe [physics]/Astrophysics [astro-ph]/Instrumentation and Methods for Astrophysic [astro-ph.IM]AzimuthMODELEarth's magnetic fieldPhysics::Space PhysicsLarge detector systems for particle and astroparticle physicARRAYFísica nuclearcosmic rays detectorscosmic ray experimentsAstrophysics - Instrumentation and Methods for AstrophysicsEnergy (signal processing)Cherenkov detectordescription
We present a comprehensive study of the influence of the geomagnetic field on the energy estimation of extensive air showers with a zenith angle smaller than $60^\circ$, detected at the Pierre Auger Observatory. The geomagnetic field induces an azimuthal modulation of the estimated energy of cosmic rays up to the ~2% level at large zenith angles. We present a method to account for this modulation of the reconstructed energy. We analyse the effect of the modulation on large scale anisotropy searches in the arrival direction distributions of cosmic rays. At a given energy, the geomagnetic effect is shown to induce a pseudo-dipolar pattern at the percent level in the declination distribution that needs to be accounted for.
year | journal | country | edition | language |
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2011-11-01 | Journal of Cosmology and Astroparticle Physics |