Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation
. 2012 Aug 10;109(6):062002.
doi: 10.1103/PhysRevLett.109.062002. Epub 2012 Aug 10.

Measurement of the proton-air cross section at √s=57 TeV with the Pierre Auger Observatory

P Abreu  1 M AgliettaE J AhnI F M AlbuquerqueD AllardI AllekotteJ AllenP AllisonA AlmedaJ Alvarez CastilloJ Alvarez-MuñizM AmbrosioA AminaeiL AnchordoquiS AndringaT AntičićC AramoE ArgandaF ArquerosH AsoreyP AssisJ AublinM AveM AvenierG AvilaT BäckerM BalzerK B BarberA F BarbosaR BardenetS L C BarrosoB BaughmanJ BäumlJ J BeattyB R BeckerK H BeckerA BellétoileJ A BellidoS BenzviC BeratX BertouP L BiermannP BilloirF BlancoM BlancoC BleveH BlümerM BoháčováD BoncioliC BonifaziR BoninoN BorodaiJ BrackP BrogueiraW C BrownR BruijnP BuchholzA BuenoR E BurtonK S Caballero-MoraL CarameteR CarusoA CastellinaO CatalanoG CataldiL CazonR CesterJ ChauvinS H ChengA ChiavassaJ A ChinellatoJ Chirinos DiazJ ChudobaR W ClayM R ColucciaR ConceiçãoF ContrerasH CookM J CooperJ CoppensA CordierS CoutuC E CovaultA CreusotA CrissJ CroninA CurutiuS Dagoret-CampagneR DallierS DassoK 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 NetoI De MitriV de SouzaK D de VriesG DecerpritL del PeralM del RíoO DelignyH DembinskiN DhitalC Di GiulioM L Díaz CastroP N DiepC DobrigkeitW DoctersJ C D'OlivoP N DongA DorofeevJ C dos AnjosM T DovaD D'UrsoI DutanJ EbrR EngelM ErdmannC O EscobarJ EspadanalA EtchegoyenP Facal San LuisI Fajardo TapiaH FalckeG FarrarA C FauthN FazziniA P FergusonA FerreroB FickA FilevichA FilipčičS FliescherC E FracchiollaE D FraenkelU FröhlichB FuchsR GaiorR F GamarraS GambettaB GarcíaD Garcia-GamezD Garcia-PintoA GasconH GemmekeK GesterlingP L GhiaU GiaccariM GillerH GlassM S GoldG GolupF Gomez AlbarracinM Gómez BerissoP GonçalvesD GonzalezJ G GonzalezB GookinD GóraA GorgiP GouffonS R GozziniE GrashornS GrebeN GriffithM GrigatA F GrilloY GuardincerriF GuarinoG P GuedesA GuzmanJ D HagueP HansenD HarariS HarmsmaT A HarrisonJ L HartonA HaungsT HebbekerD HeckA E HerveC HojvatN HollonV C HolmesP HomolaJ R HörandelA HornefferP HorvathM HrabovskýT HuegeA InsoliaF IonitaA ItalianoC JarneS JiraskovaM JosebachuiliK KadijaK H KampertP KarhanP KasperB KéglB KeilhauerA KeivaniJ L KelleyE KempR M KieckhaferH O KlagesM KleifgesJ KleinfellerJ KnappD-H KoangK KoteraN KrohmO KrömerD Kruppke-HansenF KuehnD KuempelJ K KulbartzN KunkaG La RosaC LachaudR LauerP LautridouS Le CozM S A B LeãoD LebrunP LebrunM A Leigui de OliveiraA LemiereA Letessier-SelvonI Lhenry-YvonK LinkR LópezA Lopez AgüeraK LouedecJ Lozano BahiloL LuA LuceroM LudwigH LyberisC MacolinoS MalderaD MandatP MantschA G MariazziJ MarinV MarinI C MarisH R Marquez FalconG MarsellaD MartelloL MartinH MartinezO Martínez BravoH J MathesJ MatthewsJ A J MatthewsG MatthiaeD MaurizioP O MazurG Medina-TancoM MelissasD MeloE MenichettiA MenshikovP MertschC MeurerS MićanovićM I MichelettiW MillerL MiramontiL Molina-BuenoS MollerachM MonasorD Monnier RagaigneF MontanetB MoralesC MorelloE MorenoJ C MorenoC MorrisM MostafáC A MouraS MuellerM A MullerG MüllerM MünchmeyerR MussaG NavarraJ L NavarroS NavasP NecesalL NellenA NellesJ NeuserP T NhungL NiemietzN NierstenhoeferD NitzD NosekL NožkaM NyklicekJ OehlschlägerA OlintoV M Olmos-GilbajaM OrtizN PachecoD Pakk Selmi-DeiM PalatkaJ PallottaN PalmieriG ParenteE ParizotA ParraR D ParsonsS PastorT PaulM PechJ PekalaR PelayoI M PepeL PerroneR PesceE PetermannS PetreraP PetrincaA PetroliniY PetrovJ PetrovicC PfendnerN PhanR PiegaiaT PierogP PieroniM PimentaV PirronelloM PlatinoV H PonceM PontzP PriviteraM ProuzaE J QuelS QuerchfeldJ RautenbergO RavelD RavignaniB RevenuJ RidkyS RiggiM RisseP RistoriH RiveraV RiziJ RobertsC RobledoW Rodrigues de CarvalhoG RodriguezJ Rodriguez MartinoJ Rodriguez RojoI Rodriguez-CaboM D Rodríguez-FríasG RosJ RosadoT RosslerM RothB Rouillé-d'OrfeuilE RouletA C RoveroC RühleF SalamidaH SalazarF Salesa GreusG SalinaF SánchezC E SantoE SantosE M SantosF SarazinB SarkarS SarkarR SatoN ScharfV ScheriniH SchielerP SchifferA SchmidtO ScholtenH SchoorlemmerJ SchovancovaP SchovánekF SchröderS SchulteD SchusterS J SciuttoM ScuderiA SegretoM SettimoA ShadkamR C ShellardI SidelnikG SiglH H Silva LopezA SmiałkowskiR SmídaG R SnowP SommersJ SorokinH SpinkaR SquartiniS StanicJ StapletonJ StasielakM StephanA StutzF SuarezT SuomijärviA D SupanitskyT SušaM S SutherlandJ SwainZ SzadkowskiM SzubaA TamashiroA TapiaM TartareO TaşcăuC G Tavera RuizR TcaciucD TegoloN T ThaoD ThomasJ TiffenbergC TimmermansD K TiwariW TkaczykC J Todero PeixotoB ToméA TonachiniP TravnicekD B TridapalliG TristramE TrovatoM TuerosR UlrichM UngerM UrbanJ F Valdés GaliciaI ValiñoL ValoreA M van den BergE VarelaB Vargas CárdenasJ R VázquezR A VázquezD VeberičV VerziJ VichaM VidelaL VillaseñorH WahlbergP WahrlichO WainbergD WalzD WarnerA A WatsonM WeberK WeidenhauptA WeindlS WesterhoffB J WhelanG WieczorekL WienckeB WilczyńskaH WilczyńskiM WillC WilliamsT WinchenM G WinnickM WommerB WundheilerT YamamotoT YapiciP YounkG YuanA YushkovB ZamoranoE ZasD ZavrtanikM ZavrtanikI ZawA ZepedaY ZhuM Zimbres SilvaM ZiolkowskiPierre Auger Collaboration
Affiliations

Measurement of the proton-air cross section at √s=57 TeV with the Pierre Auger Observatory

P Abreu et al. Phys Rev Lett. .

Abstract

We report a measurement of the proton-air cross section for particle production at the center-of-mass energy per nucleon of 57 TeV. This is derived from the distribution of the depths of shower maxima observed with the Pierre Auger Observatory: systematic uncertainties are studied in detail. Analyzing the tail of the distribution of the shower maxima, a proton-air cross section of [505±22(stat)(-36)(+28)(syst)] mb is found.

PubMed Disclaimer