The Pierre Auger Observatory II: Studies of Cosmic Ray Composition and Hadronic Interaction models
The Pierre Auger Collaboration: P. Abreu, M. Aglietta, E.J. Ahn,, I.F.M. Albuquerque, D. Allard, I. Allekotte, J. Allen, P. Allison, J. Alvarez, Castillo, J. Alvarez-Mu\~niz, M. Ambrosio, A. Aminaei, L. Anchordoqui, S., Andringa, T. Anti\v{c}i\'c, A. Anzalone, C. Aramo
TL;DR
This paper discusses how the Pierre Auger Observatory investigates the composition of ultra-high-energy cosmic rays and examines hadronic physics effects on air shower structures to understand cosmic ray origins.
Contribution
It provides new insights into cosmic ray composition and tests hadronic interaction models using extensive air shower data.
Findings
Evidence for composition variation at highest energies
Constraints on hadronic interaction models
Improved understanding of air shower development
Abstract
Studies of the composition of the highest energy cosmic rays with the Pierre Auger Observatory, including examination of hadronic physics effects on the structure of extensive air showers.
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Taxonomy
TopicsAstrophysics and Cosmic Phenomena · Dark Matter and Cosmic Phenomena · Neutrino Physics Research