Vasilas, Dragos: Measurement of light isotopes ratios in the cosmic rays with the IMAX balloon experiment. 2004
Inhalt
- Contents
- List of Figures
- List of Tables
- 1 Introduction
- 2 The Isotope Matter Antimatter Experiment (IMAX)
- 2.1 Introduction
- 2.2 Spectrometer
- 2.3 Time-of-Flight System
- 2.4 Scintillator Counters
- 2.5 Cherenkov Counters
- 3 Mass Separation
- 3.1 Rigidity Determination
- 3.1.1 Position Measurement
- 3.1.2 Rigidity Determination using an Iterative Fitting Procedure
- 3.1.3 Chi-square Distribution
- 3.1.4 The Maximum Detectable Rigidity (MDR)
- 3.2 Velocity Measurement
- 3.3 Charge Separation
- 4 Hydrogen Isotopic Ratios in the Instrument
- 4.1 Mass Resolution for Singly Charged Isotopes with IMAX
- 4.2 Influence of Track Quality and Geometry Cuts on the Isotopic Ratios
- 4.3 Simulation Inputs Based on the Detector Performances
- 4.4 Simulations of Mass Histograms
- 5 The Isotopic Ratios at the Top of the Atmosphere
- 5.1 Instrumental Corrections
- 5.1.1 Corrections due to Total Inelastic Interactions in the Instrument
- 5.1.2 Energy Loss Correction
- 5.1.3 Geometrical Factor of the Experiment
- 5.1.4 The Isotopic Ratios at the Top of the Instrument
- 5.2 Atmospheric Corrections
- 6 Conclusions
- Appendix A: Iterative Procedure for Determining the Rigidity
- Appendix B: Simulation-related Plots
- Appendix C: IMAX Detector Grammages
- Appendix D: Cross-Section Compilation
- Appendix E: Climax Neutron Monitor Flux
- Bibliography
- Acknowledgments