Characterisation of photon sensors for the CBM-RICH and its use for the reconstruction of neutral mesons via conversion / vorgelegt von Dipl. Phys. Sascha Reinecke (geboren in Wuppertal). Wuppertal, August 2016
Inhalt
- Contents
- List of Figures
- List of Tables
- Introduction
- The CBM Experiment
- Physics motivation of CBM
- Dileptons in Heavy-ion collisions
- The CBM detector
- The superconducting dipole magnet
- The Micro Vertex Detector (MVD)
- The Silicon Tracking Station (STS)
- The Transition Radiation Detector (TRD)
- The Time-of-Flight (TOF) detector
- The Electromagnetic Calorimeter (ECAL)
- The Projectile Spectator Detector (PSD)
- The Ring Imaging Cherenkov detector (RICH) of CBM
- Photon Sensors for the CBM-RICH
- Requirements for photon sensors
- Sensor-candidates for the CBM-RICH
- Laboratory measurements on quantum efficiency of specific sensor samples
- Overview of the 2012 prototype beamtest at CERN
- Analysis of the CBM beamtest 2012
- Single-photon spectra
- Single-photon spectra without corrections
- Corrected single-photon spectra
- Summary: Results from the single-photon spectra
- Correction of the geometrical coverage
- Correction of temperature and pressure
- Crosstalk Estimation
- Photon detection efficiency
- Summary: Overall performance comparison
- Pre-studies for conversion analysis of dileptons
- The Conversion Method
- The CbmRoot framework
- Detector tomography
- Upper estimate of the number of reconstructible pi0/eta based on conversion
- Combined study with MC-true and reconstructed data
- Estimation of cuts for the full reconstruction
- Results on conversion analysis of dileptons
- Studies only based on completely reconstructed data
- Background forming with the Event Mixing Technique
- Limiting factors of the reconstruction efficiency
- Reconstructing events with less than 4 electrons
- Absolute efficiency of this method
- Summary: reconstruction of pi0 via conversion
- Summary and Outlook
- Beamtime 2012 - Run Overview
- Beamtime 2012 - Crosstalk Results
- Exemplary distributions for Hamamatsu H8500
- Exemplary distributions for Photonis XP85012
- Exemplary distributions for Hamamatsu R11265
- References
- References for chapter 2
- References for chapter 3
- References for chapter 4
- References for chapter 5
- References for chapter 6
- References for chapter 7
- Acknowledgement
- Declaration of Authorship