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Título

Interpretation of the depths of maximum of extensive air showers measured by the Pierre Auger Observatory

AutorPIERRE AUGER Collaboration; Abreu, P.; Pastor, Sergio
Palabras claveEnergy cosmic-rays
Simulation
Particles
Model
Fecha de publicación1-feb-2013
EditorInstitute of Physics Publishing
CitaciónJournal of Cosmology and Astroparticle Physics 02 (2): 026 - 20 (2013)
ResumenTo interpret the mean depth of cosmic ray air shower maximum and its dispersion, we parametrize those two observables as functions of the first two moments of the ln A distribution. We examine the goodness of this simple method through simulations of test mass distributions. The application of the parameterization to Pierre Auger Observatory data allows one to study the energy dependence of the mean ln A and of its variance under the assumption of selected hadronic interaction models. We discuss possible implications of these dependences in term of interaction models and astrophysical cosmic ray sources.
Versión del editorhttp://dx.doi.org/10.1088/1475-7516/2013/02/026
URIhttp://hdl.handle.net/10261/124675
DOI10.1088/1475-7516/2013/02/026
ISSN1475-7516
E-ISSN1475-7516
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