Measurement of the Proton-Air Cross Section at root s=57 TeV with the Pierre Auger Observatory

6533b824fe1ef96bd1280661

RESEARCH PRODUCT

Measurement of the Proton-Air Cross Section at root s=57 TeV with the Pierre Auger Observatory

P Abreu M Aglietta E Ahn I Albuquerque D Allard I Allekotte J Allen P Allison A Almeda J Alvarez Castillo J Alvarez Muniz M Ambrosio A Aminaei L Anchordoqui S Andringa T Anticic C Aramo E Arganda F Arqueros H Asorey P Assis J Aublin M Ave M Avenier G Avila T Backer M Balzer K Barber A Barbosa R Bardenet S Barroso B Baughman J Bauml J Beatty B Becker K Becker A Belletoile J Bellido S Benzvi C Berat X Bertou P Biermann P Billoir F Blanco M Blanco C Bleve H Blumer M Bohacova D Boncioli C Bonifazi R Bonino N Borodai J Brack P Brogueira W Brown R Bruijn P Buchholz A Bueno R Burton K Caballero Mora L Caramete R Caruso A Castellina O Catalano G Cataldi L Cazon R Cester J Chauvin S Cheng A Chiavassa J Chinellato J Chirinos Diaz J Chudoba R Clay M Coluccia R Conceicao F Contreras H Cook M Cooper J Coppens A Cordier S Coutu C Covault A Creusot A Criss J Cronin A Curutiu S Dagoret Campagne R Dallier S Dasso K Daumiller B Dawson R De Almeida M De Domenico C De Donato S De Jong G De La Vega W De Mello Junior J De Mello Neto I De Mitri V De Souza K De Vries G Decerprit L Del Peral M Del Rio O Deligny H Dembinski N Dhital C Di Giulio M Diaz Castro P Diep C Dobrigkeit W Docters J D'olivo P Dong A Dorofeev J Dos Anjos M Dova D D'urso I Dutan J Ebr R Engel M Erdmann C Escobar J Espadanal A Etchegoyen P Facal San Luis I Fajardo Tapia H Falcke G Farrar A Fauth N Fazzini A Ferguson A Ferrero B Fick A Filevich A Filipcic S Fliescher C Fracchiolla E Fraenkel U Frohlich B Fuchs R Gaior R Gamarra S Gambetta B Garcia D Garcia Gamez D Garcia Pinto A Gascon H Gemmeke K Gesterling P Ghia U Giaccari M Giller H Glass M Gold G Golup F Gomez Albarracin M Gomez Berisso P Goncalves D Gonzalez J Gonzalez B Gookin D Gora A Gorgi P Gouffon S Gozzini E Grashorn S Grebe N Griffith M Grigat A Grillo Y Guardincerri F Guarino G Guedes A Guzman J Hague P Hansen D Harari S Harmsma T Harrison J Harton A Haungs T Hebbeker D Heck A Herve C Hojvat N Hollon V Holmes P Homola J Horandel A Horneffer P Horvath M Hrabovsky T Huege A Insolia F Ionita A Italiano C Jarne S Jiraskova M Josebachuili K Kadija K Kampert P Karhan P Kasper B Kegl B Keilhauer A Keivani J Kelley E Kemp R Kieckhafer H Klages M Kleifges J Kleinfeller J Knapp D Koang K Kotera N Krohm O Kromer D Kruppke Hansen F Kuehn D Kuempel J Kulbartz N Kunka G La Rosa C Lachaud R Lauer P Lautridou S Le Coz M Leao D Lebrun P Lebrun M Leigui De Oliveira A Lemiere A Letessier Selvon I Lhenry Yvon K Link R Lopez A Lopez Aguera K Louedec J Lozano Bahilo L Lu A Lucero M Ludwig H Lyberis C Macolino S Maldera D Mandat P Mantsch A Mariazzi J Marin V Marin I Maris H Marquez Falcon G Marsella D Martello L Martin H Martinez O Martinez Bravo H Mathes J Matthews J Matthews G Matthiae D Maurizio P Mazur G Medina Tanco M Melissas D Melo E Menichetti A Menshikov P Mertsch C Meurer S Micanovic M Micheletti W Miller L Miramonti L Molina Bueno S Mollerach M Monasor D Monnier Ragaigne F Montanet B Morales C Morello E Moreno J Moreno C Morris M Mostafa C Moura S Mueller M Muller G Muller M Munchmeyer R Mussa G Navarra J Navarro S Navas P Necesal L Nellen A Nelles J Neuser P Nhung L Niemietz N Nierstenhoefer D Nitz D Nosek L Nozka M Nyklicek J Oehlschlager A Olinto V Olmos Gilbaja M Ortiz N Pacheco D Pakk Selmi Dei M Palatka J Pallotta N Palmieri G Parente E Parizot A Parra R Parsons S Pastor T Paul M Pech J Pkala R Pelayo I Pepe L Perrone R Pesce E Petermann S Petrera P Petrinca A Petrolini Y Petrov J Petrovic C Pfendner N Phan R Piegaia T Pierog P Pieroni M Pimenta V Pirronello M Platino V Ponce M Pontz P Privitera M Prouza E Quel S Querchfeld J Rautenberg O Ravel D Ravignani B Revenu J Ridky S Riggi M Risse P Ristori H Rivera V Rizi J Roberts C Robledo W Rodrigues De Carvalho G Rodriguez J Rodriguez Martino J Rodriguez Rojo I Rodriguez Cabo M Rodriguez Frias G Ros J Rosado T Rossler M Roth B Rouille D'orfeuil E Roulet A Rovero C Ruhle F Salamida H Salazar F Salesa Greus G Salina F Sanchez C Santo E Santos E Santos F Sarazin B Sarkar S Sarkar R Sato N Scharf V Scherini H Schieler P Schiffer A Schmidt O Scholten H Schoorlemmer J Schovancova P Schovanek F Schroder S Schulte D Schuster S Sciutto M Scuderi A Segreto M Settimo A Shadkam R Shellard I Sidelnik G Sigl H Silva Lopez A Lmialkowski R Smida G Snow P Sommers J Sorokin H Spinka R Squartini S Stanic J Stapleton J Stasielak M Stephan A Stutz F Suarez T Suomijarvi A Supanitsky T Susa M Sutherland J Swain Z Szadkowski M Szuba A Tamashiro A Tapia M Tartare O Tascau C Tavera Ruiz R Tcaciuc D Tegolo N Thao D Thomas J Tiffenberg C Timmermans D Tiwari W Tkaczyk C Todero Peixoto B Tome A Tonachini P Travnicek D Tridapalli G Tristram E Trovato M Tueros R Ulrich M Unger M Urban J Valdes Galicia I Valino L Valore A Van Den Berg E Varela B Vargas Cardenas J Vazquez R Vazquez D Veberic V Verzi J Vicha M Videla L Villasenor H Wahlberg P Wahrlich O Wainberg D Walz D Warner A Watson M Weber K Weidenhaupt A Weindl S Westerhoff B Whelan G Wieczorek L Wiencke B Wilczynska H Wilczynski M Will C Williams T Winchen M Winnick M Wommer B Wundheiler T Yamamoto T Yapici P Younk G Yuan A Yushkov B Zamorano E Zas D Zavrtanik M Zavrtanik I Zaw A Zepeda Y Zhu M Zimbres Silva M Ziolkowski

subject

Physics and Astronomy (all)Astrophysics::High Energy Astrophysical Phenomena Settore FIS/01 - Fisica Sperimentale Astrophysics::Instrumentation and Methods for Astrophysics High Energy Physics::Experiment Nuclear Experiment

description

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. © 2012 American Physical Society.

year	journal	country	edition	language
2012-01-01

10.1103/physrevlett.109.062002 http://hdl.handle.net/2318/123719