Optimization of the CBM-RICH detector geometry and its use for the reconstruction of neutral mesons using conversion method / vorgelegt von M. Sc. Ievgenii Kres (aus der Ukraine). Wuppertal, January 2019
Inhalt
- Contents
- List of Figures
- List of Tables
- Abstract
- Introduction
- The CBM experiment
- The FAIR facility
- Physics program of the CBM experiment
- Importance of 0, , and direct reconstruction within the CBM physics context
- The CBM detector system
- The CBM Ring Imaging Cherenkov detector
- CBM-RICH detector geometry optimization
- Status quo and motivation for re-optimization
- Basic optimization procedure
- Result of the optimization procedure
- Comparison of the performance between new cylindrical geometry and old wing-shaped geometry
- Summary and conclusions from the geometry optimization
- Reconstruction of neutral mesons using double conversion
- The CbmRoot simulation Framework
- Conversion method
- Conversion points
- KFParticle secondary vertex finder
- Details of reconstruction
- Reference to previous works
- Results on neutral pion reconstruction
- Reconstruction procedure to get 0 invariant mass spectrum
- Modeling of combinatorial background using Mixed Events
- Description of correlated background
- 0 acceptance and reconstruction efficiency
- Variation of cut values used in reconstruction
- Reconstruction using Artificial Neural Network
- Summary
- Reconstruction of the eta meson using conversion method
- Reconstruction of different decay channels of meson
- Full reconstruction analysis of mesons from the double photon decay channel
- Modeling and full analysis of a high statistics input data sample
- Consistency of combined analysis with full analysis
- Multidimensional signal to background ratio for reconstruction
- Summary
- Use of conversion analysis method for temperature estimation of emitting source
- Analysis strategy
- Use of neutral pions for temperature estimation of emitting source
- Temperature estimation from reconstruction of direct photons
- Summary
- Summary and outlook
- References
- Acknowledgments
- Declaration