학술논문

Measurement of the cosmic ray spectrum above $4{\times}10^{18}$ eV using inclined events detected with the Pierre Auger Observatory
Document Type
Working Paper
Author
The Pierre Auger CollaborationAab, AlexanderAbreu, PedroAglietta, MarcoAhn, Eun-JooSamarai, Imen AlAlbuquerque, IvoneAllekotte, IngomarAllison, PatrickAlmela, AlejandroCastillo, Jesus AlvarezAlvarez-Muñiz, JaimeBatista, Rafael AlvesAmbrosio, MichelangeloAminaei, AminAnchordoqui, LuisAndringa, SofiaAramo, CarlaAranda, Victor ManuelArqueros, FernandoArsene, NicusorAsorey, Hernán GonzaloAssis, PedroAublin, JulienAve, MaximoAvenier, MichelAvila, GualbertoAwal, NafiunBadescu, Alina MihaelaBarber, Kerri BBäuml, JuliaBaus, ColinBeatty, JimBecker, Karl HeinzBellido, Jose ABerat, CorinneBertaina, Mario EdoardoBertou, XavierBiermann, PeterBilloir, PierreBlaess, Simon GBlanco, AlbertoBlanco, MiguelBleve, CarlaBlümer, HansBoháčová, MartinaBoncioli, DeniseBonifazi, CarlaBorodai, NataliiaBrack, JeffreyBrancus, IlianaBridgeman, ArielBrogueira, PedroBrown, William CBuchholz, PeterBueno, AntonioBuitink, StijnBuscemi, MarioCaballero-Mora, Karen SCaccianiga, BarbaraCaccianiga, LorenzoCandusso, MarinaCaramete, LaurentiuCaruso, RossellaCastellina, AntonellaCataldi, GabriellaCazon, LorenzoCester, RosannaChavez, Alan GChiavassa, AndreaChinellato, Jose AugustoChudoba, JiriCilmo, MarcoClay, Roger WCocciolo, GiuseppeColalillo, RobertaColeman, AlanCollica, LauraColuccia, Maria RitaConceição, RubenContreras, FernandoCooper, Mathew JCordier, AlainCoutu, StephaneCovault, CorbinCronin, JamesDallier, RichardDaniel, BrunoDasso, SergioDaumiller, KaiDawson, Bruce Rde Almeida, Rogerio Mde Jong, Sijbrand JDe Mauro, GiuseppeNeto, Joao de MelloDe Mitri, Ivande Oliveira, Jaimede Souza, Vitordel Peral, LuisDeligny, OlivierDembinski, HansDhital, NirajDi Giulio, ClaudioDi Matteo, ArmandoDiaz, Johana ChirinosCastro, Mary Lucia DíazDiogo, FranciscoDobrigkeit, CarolaDocters, WendyD'Olivo, Juan CarlosDorofeev, AlexeiHasankiadeh, Qader DorostiDova, Maria TeresaEbr, JanEngel, RalphErdmann, MartinErfani, MonaEscobar, Carlos OEspadanal, JoaoEtchegoyen, AlbertoFalcke, HeinoFang, KeFarrar, GlennysFauth, AndersonFazzini, NorbertoFerguson, Andrew PFernandes, MateusFick, BrianFigueira, Juan ManuelFilevich, AlbertoFilipčič, AndrejFox, BrendanFratu, OctavianFreire, Martín MiguelFuchs, BenjaminFujii, ToshihiroGarcía, BeatrizGarcia-Pinto, DiegoGate, FlorianGemmeke, HartmutGherghel-Lascu, AlexandruGhia, Piera LuisaGiaccari, UgoGiammarchi, MarcoGiller, MariaGłas, DariuszGlaser, ChristianGlass, HenryGolup, GeraldinaBerisso, Mariano GómezVitale, Primo F GómezGonzález, NicolásGookin, BenGordon, JacobGorgi, AlessioGorham, PeterGouffon, PhilippeGriffith, NathanGrillo, AurelioGrubb, Trent DGuarino, FaustoGuedes, GermanoHampel, Matías RolfHansen, PatriciaHarari, DiegoHarrison, Thomas AHartmann, SebastianHarton, JohnHaungs, AndreasHebbeker, ThomasHeck, DieterHeimann, PhilippHerve, Alexander EHill, Gary CHojvat, CarlosHollon, NicholasHolt, EwaHomola, PiotrHörandel, JörgHorvath, PavelHrabovský, MiroslavHuber, DanielHuege, TimInsolia, AntonioIsar, Paula GinaJandt, IngolfJansen, StefanJarne, CeciliaJohnsen, Jeffrey AJosebachuili, MarielaKääpä, AlexKambeitz, OlgaKampert, Karl HeinzKasper, PeterKatkov, IgorKégl, BalazsKeilhauer, BiancaKeivani, AzadehKemp, ErnestoKieckhafer, RogerKlages, HansKleifges, MatthiasKleinfeller, JonnyKrause, RaphaelKrohm, NicoleKrömer, OliverKuempel, DanielKunka, NorbertLaHurd, DanielleLatronico, LucaLauer, RobertLauscher, MarkusLautridou, PascalCoz, Sandra LeLebrun, DidierLebrun, Paulde Oliveira, Marcelo Augusto LeiguiLetessier-Selvon, AntoineLhenry-Yvon, IsabelleLink, KatrinLopes, LuisLópez, RebecaCasado, Aida LópezLouedec, KarimLu, LuLucero, AgustinMalacari, MaxMaldera, SimoneMallamaci, ManuelaMaller, JenniferMandat, DusanMantsch, PaulMariazzi, AnalisaMarin, VincentMariş, IoanaMarsella, GiovanniMartello, DanieleMartin, LilianMartinez, HumbertoBravo, Oscar MartínezMartraire, DianeMeza, Jimmy MasíasMathes, Hermann-JosefMathys, SebastianMatthews, JamesMatthews, JohnMatthiae, GiorgioMaurel, DetlefMaurizio, DanielaMayotte, EricMazur, PeterMedina, CarlosMedina-Tanco, GustavoMeissner, RebeccaMello, VictorMelo, DiegoMenshikov, AlexanderMessina, StefanoMeyhandan, RishiMicheletti, Maria IsabelMiddendorf, LukasMinaya, Ignacio AMiramonti, LinoMitrica, BogdanMolina-Bueno, LauraMollerach, SilviaMontanet, FrançoisMorello, CarloMostafá, MiguelMoura, Celio AMuller, Marcio AparecidoMüller, GeroMüller, SarahMussa, RobertoNavarra, GianniNavas, SergioNecesal, PetrNellen, LukasNelles, AnnaNeuser, JensNewton, DavidNguyen, Phong HNiculescu-Oglinzanu, MihaiNiechciol, MarcusNiemietz, LukasNiggemann, TimNitz, DaveNosek, DaliborNovotny, VladimirNožka, LyberisOchilo, LivingstoneOikonomou, FoteiniOlinto, AngelaOlmos-Gilbaja, VictorPacheco, NoeliaSelmi-Dei, Daniel PakkPalatka, MiroslavPallotta, JuanPapenbreer, PhilippParente, GonzaloParra, AlejandraPaul, ThomasPech, MiroslavPękala, JanPelayo, RodrigoPepe, IuriPerrone, LorenzoPetermann, EmilyPeters, ChristinePetrera, SergioPetrov, YevgeniyPhuntsok, JamyangPiegaia, RicardoPierog, TanguyPieroni, PabloPimenta, MárioPirronello, ValerioPlatino, ManuelPlum, MatthiasPorcelli, AlessioPorowski, CzeslawPrado, Raul RibeiroPrivitera, PaoloProuza, MichaelPurrello, VictorQuel, Eduardo JQuerchfeld, SvenQuinn, SeanRautenberg, JulianRavel, OlivierRavignani, DiegoRevenu, BenoîtRidky, JanRiggi, SimoneRisse, MarkusRistori, PabloRizi, Vincenzode Carvalho, Washington RodriguesFernandez, Gonzalo RodriguezRojo, Jorge Rubén RodriguezRodríguez-Frías, Maria DoloresRogozin, DmytroRosado, JaimeRoth, MarkusRoulet, EstebanRovero, AdrianSaffi, Steven JSaftoiu, AlexandraSalamida, FrancescoSalazar, HumbertoSaleh, AhmedGreus, Francisco SalesaSalina, GaetanoSánchez, FedericoSanchez-Lucas, PatriciaSantos, Edivaldo MouraSantos, EvaSarazin, FredSarkar, BiswaijtSarmento, RaulSato, RicardoScarso, CarlosSchauer, MarkusScherini, VivianaSchieler, HaraldSchiffer, PeterSchmidt, DavidScholten, OlafSchoorlemmer, HarmSchovánek, PetrSchröder, Frank GSchulz, AlexanderSchulz, JohannesSchumacher, JohannesSciutto, SergioSegreto, AlbertoSettimo, MariangelaShadkam, AmirShellard, Ronald CSidelnik, IvánSigl, GuenterSima, OctavianŚmiałkowski, AndrzejŠmída, RadomirSnow, GregorySommers, PaulSorokin, JSquartini, RubenSrivastava, Yogendra NStanca, DenisStanič, SamoStapleton, JamesStasielak, JaroslawStephan, MauriceStutz, AnneSuarez, FedericoSuomijärvi, TiinaSupanitsky, A DanielSutherland, MichaelSwain, JohnSzadkowski, ZbigniewTaborda, Oscar AlejandroTapia, AlexTepe, AndreasTheodoro, Vanessa MenezesTimmermans, CharlesPeixoto, Carlos J ToderoToma, GabrielTomankova, LenkaTomé, BernardoTonachini, AurelioElipe, Guillermo TorralbaMachado, Diego TorresTravnicek, PetrUlrich, RalfUnger, MichaelUrban, MartinGalicia, Jose F ValdésValiño, InesValore, Lauravan Aar, Guusvan Bodegom, PatrickBerg, Ad M van denvan Velzen, Sjoertvan Vliet, ArjenVarela, EnriqueCárdenas, Bernardo VargasVarner, GaryVasquez, RafaelVázquez, Jose RVázquez, RicardoVeberič, DarkoVerzi, ValerioVicha, JakubVidela, MarielaVillaseñor, LuisVlcek, BrianVorobiov, SergueiWahlberg, HernanWainberg, OscarWalz, DavidWatson, AlanWeber, MarcWeidenhaupt, KlausWeindl, AndreasWerner, FelixWidom, AllanWiencke, LawrenceWilczyński, HenrykWinchen, TobiasWittkowski, DavidWundheiler, BrianWykes, SarkaYang, LiliYapici, TolgaYushkov, AlexeyZas, EnriqueZavrtanik, DaniloZavrtanik, MarkoZepeda, ArnulfoZhu, YueZimmermann, BenediktZiolkowski, MichaelZuccarello, Francesca
Source
JCAP 08 (2015) 049
Subject
Astrophysics - High Energy Astrophysical Phenomena
High Energy Physics - Experiment
Language
Abstract
A measurement of the cosmic-ray spectrum for energies exceeding $4{\times}10^{18}$ eV is presented, which is based on the analysis of showers with zenith angles greater than $60^{\circ}$ detected with the Pierre Auger Observatory between 1 January 2004 and 31 December 2013. The measured spectrum confirms a flux suppression at the highest energies. Above $5.3{\times}10^{18}$ eV, the "ankle", the flux can be described by a power law $E^{-\gamma}$ with index $\gamma=2.70 \pm 0.02 \,\text{(stat)} \pm 0.1\,\text{(sys)}$ followed by a smooth suppression region. For the energy ($E_\text{s}$) at which the spectral flux has fallen to one-half of its extrapolated value in the absence of suppression, we find $E_\text{s}=(5.12\pm0.25\,\text{(stat)}^{+1.0}_{-1.2}\,\text{(sys)}){\times}10^{19}$ eV.
Comment: Replaced with published version. Added journal reference and DOI