Ochilo, Livingstone: Mass composition of ultra-high energy cosmic rays : a study based on elongation rate of depth of shower maximum measured at the Pierre Auger Observato [...]. 2016
Inhalt
- Abstract
- Zusammenfassung
- Dedication
- Acknowledgements
- Contents
- 1. Introduction
- 2. Ultra-High Energy Cosmic Rays
- 2.1 Properties of UHECR
- 2.2 Astrophysical scenarios
- 2.2.1 Sources of UHECR
- 2.2.2 Top–down models
- 2.2.3 The standard model of galactic cosmic rays
- 2.2.4 The ankle model
- 2.2.5 The dip model
- 2.3 Extensive Air Showers
- 3. Mass Composition of UHECR
- 3.1 Depth of Shower Maximum
- 3.2 Elongation Rate
- 3.3 Fluctuations of Xmax
- 3.4 Current Experimental Results
- 4. The Pierre Auger Observatory
- 4.1 The Surface Detector
- 4.2 The Fluorescence Detector
- 4.3 Enhancements to the Observatory
- 4.4 Atmospheric monitoring
- 5. Data Selection
- 6. Data Analysis and Results
- 6.1 ER of the Whole Data Set
- 6.2 Rate of change of ER with energy
- 6.3 Division of data into ``light'' and ``heavy'' components
- 6.3.1 Definition of the cut
- 6.3.2 Bias in the Xmax of light and heavy events
- 6.3.3 Application of cut on FD data
- 6.3.4 Application of cut on SD data
- 6.4 Varied proton-air cross-section
- 7. Summary and Outlook
- A. Appendix First two moments of Xmax
- B. Appendix Binned "Xmax" data calculated in this work
- List of Figures
- List of Tables
- List of Abbreviations
- Bibliography