Journal
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
Volume -, Issue 3, Pages -Publisher
IOP Publishing Ltd
DOI: 10.1088/1475-7516/2019/03/018
Keywords
cosmic rays detectors; ultra high energy cosmic rays
Funding
- Argentina - Comision Nacional de Energa Atomica
- Argentina - Agencia Nacional de Promocion Cientfica y Tecnologica (ANPCyT)
- Argentina - Consejo Nacional de Investigaciones Cientficas y Tecnicas (CONICET)
- Argentina - Gobierno de la Provincia de Mendoza
- Argentina - Municipalidad de Malargue
- Argentina - NDM Holdings
- Australia - Australian Research Council
- Brazil - Conselho Nacional de Desenvolvimento Cientfico e Tecnologico (CNPq)
- Brazil - Financiadora de Estudos e Projetos (FINEP)
- Brazil - Fundacao de Amparoa Pesquisa do Estado de Rio de Janeiro (FAPERJ)
- Brazil - Sao Paulo Research Foundation (FAPESP) [2010/07359-6, 1999/05404-3]
- Brazil - Ministerio da Ciencia, Tecnologia, Inovacoes e Comunicacoes (MCTIC)
- France - Centre de Calcul IN2P3/CNRS
- France - Centre National de la Recherche Scientifi que (CNRS)
- France - Conseil Regional Ile-de-France
- France - Departement Physique Nucleaire et Corpusculaire (PNC-IN2P3/CNRS)
- France - Departement Sciences de l'Univers (SDU-INSU/CNRS)
- France - Institut Lagrange de Paris (ILP) [LABEX ANR-10-LABX-63, ANR-11-IDEX-0004-02]
- Germany - Bundesministerium fur Bildung und Forschung (BMBF)
- Germany - Deutsche Forschungsgemeinschaft (DFG)
- Germany - Finanzministerium Baden-Wurttemberg
- Germany - Helmholtz Alliance for Astroparticle Physics (HAP)
- Germany - Helmholtz-Gemeinschaft Deutscher Forschungszentren (HGF)
- Germany - Ministerium fur Innovation, Wissenschaft und Forschung des Landes Nordrhein-Westfalen
- Germany - Ministerium fur Wissenschaft, Forschung und Kunst des Landes Baden-Wurttemberg
- Italy - Istituto Nazionale di Fisica Nucleare (INFN)
- Italy - Istituto Nazionale di Astrofisica (INAF)
- Italy - Ministero dell'Istruzione, dell'Universita e della Ricerca (MIUR)
- Italy - CETEMPS Center of Excellence
- Italy - Ministero degli Affari Esteri (MAE)
- Mexico - Consejo Nacional de Ciencia y Tecnologa (CONACYT) [167733]
- Mexico - Universidad Nacional Autonoma de Mexico (UNAM)
- Mexico - PAPIIT DGAPA-UNAM
- Netherlands - Ministry of Education, Culture and Science
- Netherlands - Netherlands Organisation for Scientific Research (NWO)
- Netherlands - Dutch national einfrastructure
- Netherlands - SURF Cooperative
- Poland - National Centre for Research and Development [ERA-NET-ASPERA/02/11]
- Poland - National Science Centre [2013/08/M/ST9/00322, 2016/23/B/ST9/01635, HARMONIA 5-2013/10/M/ST9/00062, UMO-2016/22/M/ST9/00198]
- Portugal - Portuguese national funds
- Portugal - FEDER funds within Programa Operacional Factores de Competitividade through Fundacao para a Ciencia e a Tecnologia (COMPETE)
- Romania - Romanian Ministry of Research and Innovation CNCS/CCCDI-UESFISCDI within PNCDI III [PN-III-P1-1.2-PCCDI-2017-0839/19PCCDI/2018, PN-III-P2-2.1-PED-2016-1922, PN-III-P2-2.1-PED-2016-1659, PN18090102]
- Slovenia - Slovenian Research Agency
- Spain - Comunidad de Madrid
- Spain - Fondo Europeo de Desarrollo Regional (FEDER) funds
- Spain - Ministerio de Economa y Competitividad
- Spain - Xunta de Galicia
- Spain - European Community 7th Frame-work Program [FP7-PEOPLE-2012-IEF-328826]
- U.S.A. - Department of Energy [DE-AC02-07CH11359, DE-FR02-04ER41300, DE-FG02-99ER41107, DE-SC0011689]
- U.S.A. - National Science Foundation [0450696]
- U.S.A. - Grainger Foundation
- U.S.A. - Marie Curie-IRSES/EPLANET
- U.S.A. - European Particle Physics Latin American Network
- U.S.A. - European Union 7th Framework Program [PIRSES-2009-GA-246806]
- U.S.A. - UNESCO
- Argentina - Valle Las Lenas
- [MSMT CR LTT18004]
- [LO1305]
- [LM2015038]
- [CZ. 02.1.01/0.0/0.0/16 013/0001402]
- U.S. Department of Energy (DOE) [DE-SC0011689] Funding Source: U.S. Department of Energy (DOE)
- Direct For Mathematical & Physical Scien
- Division Of Physics [0450696] Funding Source: National Science Foundation
Ask authors/readers for more resources
The profile of the longitudinal development of showers produced by ultra-high energy cosmic rays carries information related to the interaction properties of the primary particles with atmospheric nuclei. In this work, we present the first measurement of the average shower pro file in traversed atmospheric depth at the Pierre Auger Observatory. The shapes of profiles are well reproduced by the Gaisser-Hillas parametrization within the range studied, for E > 10(17.8) eV. A detailed analysis of the systematic uncertainties is performed using ten years of data and a full detector simulation. The average shape is quantified using two variables related to the width and asymmetry of the profile, and the results are compared with predictions of hadronic interaction models for different primary particles.
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