The Lateral Trigger Probability function for the Ultra-High Energy Cosmic Ray showers detected by the Pierre Auger Observatory

In this paper we introduce the concept of Lateral Trigger Probability (LTP) function, i.e., the probability for an Extensive Air Shower (EAS) to trigger an individual detector of a ground based array as a function of distance to the shower axis, taking into account energy, mass and direction of the...

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Autores principales: Dova, María Teresa, Gómez Albarracín, Flavia Alejandra, Hansen, Patricia María, Jarne, Cecilia Gisele, Mariazzi, Analisa Gabriela, Sciutto, Sergio Juan, Wahlberg, Hernán Pablo, The Pierre Auger Collaboration
Formato: Articulo
Lenguaje:Inglés
Publicado: 2011
Materias:
Ciencias Exactas
Física
Ultra-High Energy Cosmic Rays
Pierre Auger Observatory
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/78245
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-78245
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Ciencias Exactas
Física
Ultra-High Energy Cosmic Rays
Pierre Auger Observatory
spellingShingle Ciencias Exactas
Física
Ultra-High Energy Cosmic Rays
Pierre Auger Observatory
Dova, María Teresa
Gómez Albarracín, Flavia Alejandra
Hansen, Patricia María
Jarne, Cecilia Gisele
Mariazzi, Analisa Gabriela
Sciutto, Sergio Juan
Wahlberg, Hernán Pablo
The Pierre Auger Collaboration
The Lateral Trigger Probability function for the Ultra-High Energy Cosmic Ray showers detected by the Pierre Auger Observatory
topic_facet Ciencias Exactas
Física
Ultra-High Energy Cosmic Rays
Pierre Auger Observatory
description In this paper we introduce the concept of Lateral Trigger Probability (LTP) function, i.e., the probability for an Extensive Air Shower (EAS) to trigger an individual detector of a ground based array as a function of distance to the shower axis, taking into account energy, mass and direction of the primary cosmic ray. We apply this concept to the surface array of the Pierre Auger Observatory consisting of a 1.5 km spaced grid of about 1600 water Cherenkov stations. Using Monte Carlo simulations of ultra-high energy showers the LTP functions are derived for energies in the range between 1017 and 1019 eV and zenith angles up to 65. A parametrization combining a step function with an exponential is found to reproduce them very well in the considered range of energies and zenith angles. The LTP functions can also be obtained from data using events simultaneously observed by the fluorescence and the surface detector of the Pierre Auger Observatory (hybrid events). We validate the Monte Carlo results showing how LTP functions from data are in good agreement with simulations.
format Articulo
Articulo
author Dova, María Teresa
Gómez Albarracín, Flavia Alejandra
Hansen, Patricia María
Jarne, Cecilia Gisele
Mariazzi, Analisa Gabriela
Sciutto, Sergio Juan
Wahlberg, Hernán Pablo
The Pierre Auger Collaboration
author_facet Dova, María Teresa
Gómez Albarracín, Flavia Alejandra
Hansen, Patricia María
Jarne, Cecilia Gisele
Mariazzi, Analisa Gabriela
Sciutto, Sergio Juan
Wahlberg, Hernán Pablo
The Pierre Auger Collaboration
author_sort Dova, María Teresa
title The Lateral Trigger Probability function for the Ultra-High Energy Cosmic Ray showers detected by the Pierre Auger Observatory
title_short The Lateral Trigger Probability function for the Ultra-High Energy Cosmic Ray showers detected by the Pierre Auger Observatory
title_full The Lateral Trigger Probability function for the Ultra-High Energy Cosmic Ray showers detected by the Pierre Auger Observatory
title_fullStr The Lateral Trigger Probability function for the Ultra-High Energy Cosmic Ray showers detected by the Pierre Auger Observatory
title_full_unstemmed The Lateral Trigger Probability function for the Ultra-High Energy Cosmic Ray showers detected by the Pierre Auger Observatory
title_sort lateral trigger probability function for the ultra-high energy cosmic ray showers detected by the pierre auger observatory
publishDate 2011
url http://sedici.unlp.edu.ar/handle/10915/78245
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