| Issue |
EPJ Web of Conferences
Volume 53, 2013
UHECR 2012 - International Symposium on Future Directions in UHECR Physics
|
|
|---|---|---|
| Article Number | 04009 | |
| Number of page(s) | 6 | |
| Section | Cosmic Ray Observations | |
| DOI | https://doi.org/10.1051/epjconf/20135304009 | |
| Published online | 25 June 2013 | |
https://doi.org/10.1051/epjconf/20135304009
Mass sensitive observables of the Pierre Auger Observatory
1 Karlsruher Institut für Technologie, Institut für Kernphysik, Germany
2 Observatorio Pierre Auger, Av. San Martín Norte 304, 5613 Malargüe, Argentina
a e-mail: Michael.Unger@kit.edu
In this article we will discuss measurements of the longitudinal development of air showers at the Pierre Auger Observatory. The longitudinal development of the electromagnetic component can be directly observed by the fluorescence telescopes of the Auger Observatory and we will present the results on the evolution of the average shower maximum and its fluctuations as a function of energy. Moreover, two observables from the surface detector, the asymmetry of the rise time of the station signals and the muon production depth, will be discussed and the measurements will be compared to predictions from air shower simulations for different primary particle types.
© Owned by the authors, published by EDP Sciences, 2013
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 2.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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