Testing Hadronic Interactions at Ultrahigh Energies with Air Showers Measured by the Pierre Auger Observatory

Ultrahigh energy cosmic ray air showers probe particle physics at energies beyond the reach of accelerators. Here we introduce a new method to test hadronic interaction models without relying on the absolute energy calibration, and apply it to events with primary energy 6-16 EeV (ECM=110-170 TeV), w...

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Autores principales: Dova, María Teresa, Hansen, Patricia María, Jarne, Cecilia Gisele, Mariazzi, Analisa Gabriela, Sciutto, Sergio Juan, Wahlberg, Hernán Pablo
Formato: Articulo
Lenguaje:Inglés
Publicado: 2016
Materias:
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/86701
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id I19-R120-10915-86701
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Física
Energy
Hadronic interaction
Cosmic rays
spellingShingle Física
Energy
Hadronic interaction
Cosmic rays
Dova, María Teresa
Hansen, Patricia María
Jarne, Cecilia Gisele
Mariazzi, Analisa Gabriela
Sciutto, Sergio Juan
Wahlberg, Hernán Pablo
Testing Hadronic Interactions at Ultrahigh Energies with Air Showers Measured by the Pierre Auger Observatory
topic_facet Física
Energy
Hadronic interaction
Cosmic rays
description Ultrahigh energy cosmic ray air showers probe particle physics at energies beyond the reach of accelerators. Here we introduce a new method to test hadronic interaction models without relying on the absolute energy calibration, and apply it to events with primary energy 6-16 EeV (ECM=110-170 TeV), whose longitudinal development and lateral distribution were simultaneously measured by the Pierre Auger Observatory. The average hadronic shower is 1.33±0.16 (1.61±0.21) times larger than predicted using the leading LHC-tuned models EPOS-LHC (QGSJetII-04), with a corresponding excess of muons.
format Articulo
Articulo
author Dova, María Teresa
Hansen, Patricia María
Jarne, Cecilia Gisele
Mariazzi, Analisa Gabriela
Sciutto, Sergio Juan
Wahlberg, Hernán Pablo
author_facet Dova, María Teresa
Hansen, Patricia María
Jarne, Cecilia Gisele
Mariazzi, Analisa Gabriela
Sciutto, Sergio Juan
Wahlberg, Hernán Pablo
author_sort Dova, María Teresa
title Testing Hadronic Interactions at Ultrahigh Energies with Air Showers Measured by the Pierre Auger Observatory
title_short Testing Hadronic Interactions at Ultrahigh Energies with Air Showers Measured by the Pierre Auger Observatory
title_full Testing Hadronic Interactions at Ultrahigh Energies with Air Showers Measured by the Pierre Auger Observatory
title_fullStr Testing Hadronic Interactions at Ultrahigh Energies with Air Showers Measured by the Pierre Auger Observatory
title_full_unstemmed Testing Hadronic Interactions at Ultrahigh Energies with Air Showers Measured by the Pierre Auger Observatory
title_sort testing hadronic interactions at ultrahigh energies with air showers measured by the pierre auger observatory
publishDate 2016
url http://sedici.unlp.edu.ar/handle/10915/86701
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