Reconstruction of inclined air showers detected with the Pierre Auger Observatory

We describe the method devised to reconstruct inclined cosmic-ray air showers with zenith angles greater than 60° detected with the surface array of the Pierre Auger Observatory. The measured signals at the ground level are fitted to muon density distributions predicted with atmospheric cascade mode...

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Autor principal: Multitudinario:487
Formato: JOUR
Materias:
cosmic ray experiments
ultra high energy cosmic rays
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_14757516_v2014_n8_p_Multitudinario
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Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id todo:paper_14757516_v2014_n8_p_Multitudinario
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spelling todo:paper_14757516_v2014_n8_p_Multitudinario2023-10-03T16:18:47Z Reconstruction of inclined air showers detected with the Pierre Auger Observatory Multitudinario:487 cosmic ray experiments ultra high energy cosmic rays We describe the method devised to reconstruct inclined cosmic-ray air showers with zenith angles greater than 60° detected with the surface array of the Pierre Auger Observatory. The measured signals at the ground level are fitted to muon density distributions predicted with atmospheric cascade models to obtain the relative shower size as an overall normalization parameter. The method is evaluated using simulated showers to test its performance. The energy of the cosmic rays is calibrated using a sub-sample of events reconstructed with both the fluorescence and surface array techniques. The reconstruction method described here provides the basis of complementary analyses including an independent measurement of the energy spectrum of ultra-high energy cosmic rays using very inclined events collected by the Pierre Auger Observatory. © 2014 IOP Publishing Ltd and Sissa Medialab srl. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_14757516_v2014_n8_p_Multitudinario
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic cosmic ray experiments
ultra high energy cosmic rays
spellingShingle cosmic ray experiments
ultra high energy cosmic rays
Multitudinario:487
Reconstruction of inclined air showers detected with the Pierre Auger Observatory
topic_facet cosmic ray experiments
ultra high energy cosmic rays
description We describe the method devised to reconstruct inclined cosmic-ray air showers with zenith angles greater than 60° detected with the surface array of the Pierre Auger Observatory. The measured signals at the ground level are fitted to muon density distributions predicted with atmospheric cascade models to obtain the relative shower size as an overall normalization parameter. The method is evaluated using simulated showers to test its performance. The energy of the cosmic rays is calibrated using a sub-sample of events reconstructed with both the fluorescence and surface array techniques. The reconstruction method described here provides the basis of complementary analyses including an independent measurement of the energy spectrum of ultra-high energy cosmic rays using very inclined events collected by the Pierre Auger Observatory. © 2014 IOP Publishing Ltd and Sissa Medialab srl.
format JOUR
author Multitudinario:487
author_facet Multitudinario:487
author_sort Multitudinario:487
title Reconstruction of inclined air showers detected with the Pierre Auger Observatory
title_short Reconstruction of inclined air showers detected with the Pierre Auger Observatory
title_full Reconstruction of inclined air showers detected with the Pierre Auger Observatory
title_fullStr Reconstruction of inclined air showers detected with the Pierre Auger Observatory
title_full_unstemmed Reconstruction of inclined air showers detected with the Pierre Auger Observatory
title_sort reconstruction of inclined air showers detected with the pierre auger observatory
url http://hdl.handle.net/20.500.12110/paper_14757516_v2014_n8_p_Multitudinario
work_keys_str_mv AT multitudinario487 reconstructionofinclinedairshowersdetectedwiththepierreaugerobservatory
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