RT Journal Article
T1 Energy estimation of cosmic rays with the Engineering Radio Array of the Pierre Auger Observatory
A1 Arqueros Martínez, Fernando
A1 García Pinto, Diego
A1 Minaya Flores, Ignacio Andrés
A1 Rosado Vélez, Jaime
A1 Vázquez Peñas, José Ramón
AB The Auger Engineering Radio Array (AERA) is part of the Pierre Auger Observatory and is used to detect the radio emission of cosmic-ray air showers. These observations are compared to the data of the surface detector stations of the Observatory, which provide well-calibrated information on the cosmic-ray energies and arrival directions. The response of the radio stations in the 30-80 MHz regime has been thoroughly calibrated to enable the reconstruction of the incoming electric field. For the latter, the energy deposit per area is determined from the radio pulses at each observer position and is interpolated using a two-dimensional function that takes into account signal asymmetries due to interference between the geomagnetic and charge-excess emission components. The spatial integral over the signal distribution gives a direct measurement of the energy transferred from the primary cosmic ray into radio emission in the AERA frequency range. We measure 15.8 MeV of radiation energy for a 1 EeV air shower arriving perpendicularly to the geomagnetic field. This radiation energy-corrected for geometrical effects-is used as a cosmic-ray energy estimator. Performing an absolute energy calibration against the surface-detector information, we observe that this radio-energy estimator scales quadratically with the cosmic-ray energy as expected for coherent emission. We find an energy resolution of the radio reconstruction of 22% for the data set and 17% for a high-quality subset containing only events with at least five radio stations with signal.
PB Amer Physical Soc
SN 2470-0010
YR 2016
FD 2016-06-14
LK https://hdl.handle.net/20.500.14352/24605
UL https://hdl.handle.net/20.500.14352/24605
LA eng
NO © 2016 American Physical Society.Autoría conjunta: Pierre Auger collaboration. Artículo publicado por más de 10 autores.The successful installation, commissioning, and operation of the Pierre Auger Observatory would not have been possible without the strong commitment and effort from the technical and administrative staff in Malargue. We are very grateful to the following agencies and organizations for financial support: Comision Nacional de Energia Atomica, Agencia Nacional de Promocion Cientifica y Tecnologica (ANPCyT), Consejo Nacional de Investigaciones Cientificas y Tecnicas (CONICET), Gobierno de la Provincia de Mendoza, Municipalidad de Malargue, NDM Holdings and Valle Las Lenas, in gratitude for their continuing cooperation over land access, Argentina; the Australian Research Council (DP150101622); 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), Sao Paulo Research Foundation (FAPESP) Grants No. 2010/07359-6 and No. 1999/05404-3, Ministerio de Ciencia e Tecnologia (MCT), Brazil; Grants No. MSMT-CR LG13007, No. 7AMB14AR005, and the Czech Science Foundation Grant No. 14-17501S, Czech Republic; 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), Institut Lagrange de Paris (ILP) Grant No. LABEX ANR-10-LABX-63, within the Investissements d'Avenir Programme Grant No. ANR-11-IDEX-0004-02, France; Bundesministerium fur Bildung und Forschung (BMBF), Deutsche Forschungsgemeinschaft (DFG), Finanzministerium Baden-Wurttemberg, Helmholtz Alliance for Astroparticle Physics (HAP), 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), Istituto Nazionale di Astrofisica (INAF), Ministero dell'Istruzione, dell'Universita e della Ricerca (MIUR), Gran Sasso Center for Astroparticle Physics (CFA), CETEMPS Center of Excellence, Ministero degli Affari Esteri (MAE), 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; National Centre for Research and Development, Grants No. ERA-NET-ASPERA/01/11 and No. ERA-NET-ASPERA/02/11, National Science Centre, Grants No. 2013/08/M/ST9/00322, No. 2013/08/M/ST9/00728 and No. HARMONIA 5-2013/10/M/ST9/00062, Poland; Portuguese national funds and FEDER funds within Programa Operacional Factores de Competitividade through Fundacao para a Ciencia e a Tecnologia (COMPETE), Portugal; Romanian Authority for Scientific Research ANCS, CNDI-UEFISCDI partnership projects Grants No. 20/2012 and No. 194/2012, Grants No. 1/ASPERA2/2012 ERA-NET, No. PN-IIRU-PD-2011-3-0145-17 and No. PN-II-RU-PD-2011-30062, the Minister of National Education, Programme Space Technology and Advanced Research (STAR), Grant No. 83/2013, Romania; Slovenian Research Agency, Slovenia; Comunidad de Madrid, FEDER funds, Ministerio de Educacion y Ciencia, Xunta de Galicia, European Community 7th Framework Program, Grant No. FP7-PEOPLE-2012-IEF-328826, Spain; Science and Technology Facilities Council, United Kingdom; Department of Energy, Contracts No. DE-AC0207CH11359, No. DE-FR02-04ER41300, No. DE-FG0299ER41107 and No. DE-SC0011689, National Science Foundation, Grant No.; 0450696, The Grainger Foundation, USA; NAFOSTED, Vietnam; Marie Curie-IRSES/EPLANET, European Particle Physics Latin American Network, European Union 7th Framework Program, Grant No. PIRSES-2009-GA-246806; and UNESCO.
NO Unión Europea. FP7
NO Czech Science Foundation, Czech Republic
NO Centre de Calcul IN2P3/CNRS, France
NO Centre National de la Recherche Scientifique (CNRS), France
NO Conseil Regional Ile-de-France, France
NO Departement Physique Nucleaire et Corpusculaire (PNC-IN2P3/CNRS), France
NO Departement Sciences de l'Univers (SDU-INSU/CNRS), France
NO Institut Lagrange de Paris (ILP), France
NO Investissements d'Avenir Programme, France
NO Bundesministerium fur Bildung und Forschung (BMBF), Germany
NO Deutsche Forschungsgemeinschaft (DFG), Germany
NO Finanzministerium Baden-Wurttemberg, Germany
NO Helmholtz Alliance for Astroparticle Physics (HAP), Germany
NO Helmholtz-Gemeinschaft Deutscher Forschungszentren (HGF), Germany
NO Ministerium fur Wissenschaft und Forschung, Germany Nordrhein Westfalen, Germany
NO Ministerium fur Wissenschaft, Germany
NO Forschung und Kunst, Germany
NO Baden-Wurttemberg, Germany
NO Istituto Nazionale di Fisica Nucleare (INFN), Italy
NO Istituto Nazionale di Astrofisica (INAF), Italy
NO Ministero dell Istruzione, dell'Universita e della Ricerca (MIUR), Italy
NO Gran Sasso Center for Astroparticle Physics (CFA), Italy
NO CETEMPS Center of Excellence, Italy
NO Ministero degli Affari Esteri (MAE), Italy
NO Ministerie van Onderwijs, Netherlands
NO Cultuur en Wetenschap, Netherlands
NO Nederlandse Organisatie voor Wetenschappelijk Onderzoek (NWO), Netherlands
NO Stichting voor Fundamenteel Onderzoek der Materie (FOM), Netherlands
NO National Centre for Research and Development, Poland
NO National Science Centre, Poland
NO Portuguese national funds, Portugal
NO FEDER funds within Programa Operacional Factores de Competitividade through Fundacao para a Ciencia e a Tecnologia (COMPETE), Portugal
NO Romanian Authority for Scientific Research ANCS, Romania
NO CNDI-UEFISCDI, Romania
NO Minister of National Education, Romania
NO Programme Space Technology and Advanced Research (STAR), Romania
NO Slovenian Research Agency, Slovenia
NO Comunidad de Madrid
NO FEDER funds, Spain
NO Ministerio de Educacion y Ciencia, Spain
NO Xunta de Galicia, Spain
NO Science and Technology Facilities Council, United Kingdom
NO Marie Curie-IRSES/EPLANET
NO UNESCO
DS Docta Complutense
RD 21 abr 2025