Journal
PHYSICAL REVIEW LETTERS
Volume 109, Issue 6, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.109.062002
Keywords
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Categories
Funding
- Comision Nacional de Energia Atomica
- Fundacion Antorchas
- Gobierno De La Provincia de Mendoza
- Municipalidad de Malargue
- NDM Holdings
- Valle Las Lenas, Argentina
- Australian Research Council
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq)
- Financiadora de Estudos e Projetos (FINEP)
- Fundacao de Amparo a Pesquisa do Estado de Rio de Janeiro (FAPERJ)
- Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP)
- Ministerio de Ciencia e Tecnologia (MCT), Brazil
- AVCR [AV0Z10100502, AV0Z10100522]
- GAAV [KJB100100904]
- MSMT-CR Czech Republic [LA08016, LC527, 1M06002, MEB111003, MSM0021620859]
- Centre de Calcul [IN2P3/CNRS]
- Centre National de la Recherche Scientifique (CNRS)
- Conseil Regional Ile-de-France, Departement Physique Nucleaire et Corpusculaire [PNC-IN2P3/CNRS]
- Departement Sciences de l'Univers (SDU-INSU/CNRS), France
- Bundesministerium fur Bildung und Forschung (BMBF)
- Deutsche Forschungsgemeinschaft (DFG)
- Finanzministerium Baden-Wurttemberg
- Helmholtz-Gemeinschaft Deutscher Forschungszentren (HGF)
- Ministerium fur Wissenschaft und Forschung
- Nordrhein-Westfalen
- Ministerium fur Wissenschaft
- Forschung und Kunst, Baden-Wurttemberg, Germany
- Istituto Nazionale di Fisica Nucleare (INFN)
- Ministero dell'Istruzione
- dell'Universita e della Ricerca (MIUR), Italy
- Consejo Nacional de Ciencia y Tecnologia (CONACYT), Mexico
- Ministerie van Onderwijs, Cultuur en Wetenschap
- Nederlandse Organisatie voor Wetenschappelijk Onderzoek (NWO)
- Stichting voor Fundamenteel Onderzoek der Materie (FOM), Netherlands
- Ministry of Science and Higher Education, Poland [N N202 200239, N N202 207238]
- Fundacao para a Ciencia e a Tecnologia, Portugal
- Ministry for Higher Education, Science, and Technology, Slovenian Research Agency, Slovenia
- Comunidad de Madrid, Consejeri a de Educacion de la Comunidad de Castilla La Mancha
- FEDER funds
- Ministerio de Ciencia e Innovacion and Consolider-Ingenio (CPAN)
- Xunta de Galicia, Spain
- Science and Technology Facilities Council, United Kingdom
- Department of Energy [DE-AC02-07CH11359, DE-FR02-04ER41300]
- National Science Foundation [0450696]
- Grainger Foundation, USA
- ALFA-EC/HELEN
- European Union 6th Framework Program [MEIF-CT-2005-025057]
- European Union 7th Framework Program [PIEF-GA-2008-220240]
- UNESCO
- STFC [ST/J000507/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/J000507/1] Funding Source: researchfish
- Direct For Mathematical & Physical Scien
- Division Of Physics [1207605, 1068658] Funding Source: National Science Foundation
- Division Of Physics
- Direct For Mathematical & Physical Scien [1068696, 1212538, 1068210, 855680, 1053663] Funding Source: National Science Foundation
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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.
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