声明
Acknowledgements
Contents
List of Figures
List of Tables
Abstract
摘要
Résumé en Fran?ais
Introduction
Chapter 1 Detectors and physics in the BES-Ⅲ experiment at BEPC-Ⅱ
1．1 Physic of BESⅢ experiment
1．1．1 Studies of electroweak interactions
1．1．2 Studies of strong interactions
1．1．3 Searches for new physics
1．2 Beijing Electron Positron Collider Ⅱ
1．3 The current design of BESⅢ
1．3．1 Multilayer drift chamber
1．3．2 Time of flight system
1．3．3 CsI(T1) electromagnetic calorimeter
1．3．4 Muon identifier
1．4 Ageing effect of MDC in BES-Ⅲ
1．5 Summary and Conclusion
Chapter 2 CMoS Pixel Sensor
2．1 Particle interactions with matter and detecting principles of CPS
2．1．1 Electronic energy loss of charged particles
2．1．2 Radiative energy loss of e+／e-
2．1．3 Radiative energy loss of muons
2．1．4 Energy loss of photons
2．1．5 Small-angle multiple scattering
2．1．6 CPS detection principles
2．1．7 CPS noises
2．2 CPS chip design of MIMOSA series
2．2．1 Readout architectures in Pixel level
2．2．2 Readout architectures in Chip level
2．2．3 Upgraded designs
2．3 CPS Chip design of ALPIDE series
2．4 Sensor characterisation and test methods
2．4．1 Laboratory calibrations
2．4．2 Beam test
2．4．3 Probe test
2．5 Summary and Conclusion
Chapter 3 Sensor design optimization for BESⅢ
3．1 Detector requirements and CPS design consider-ations
3．2 Beam tests for CPS towards a large pixel pitch
3．2．1 SALAT beam Test
3．2．2 FSBBbis Test
3．3 Summary and Conclusion
Chapter 4 Tracking Algorithms
4．1 The generalized least squares fitting
4．1．1 Variables and notations
4．1．2 Fitting tracks without multiple scattering
4．1．3 Chi-square fitting with Multiple scattering
4．2 Kalman Filter
4．2．1 The Discrete Kalman Filter
4．2．2 Derivations using conditional probability density
4．2．3 The figure of merit in tracking
4．2．4 Smoothing
4．2．5 Applications in tracking
4．3 Tracking efficiency estimation
4．3．1 Pileup Probability
4．3．2 Probability of finding the correct hit
4．3．3 Estimation on tracking efficiency
4．4 Summary and conclusion
Chapter 5 BESⅢ CPS Inner tracker design and optimization
5．1 Ladder design
5．2 Geometry optimization for tracking
5．2．1 Curvature variance and the optimal spacing without multiple scattering
5．2．2 Numerical geometry scan with multiple scattering involved
5．2．3 Application on BESⅢ Silicon pixel tracker
5．3 Geometry optimization for vertexing
5．3．1 Radii optimization in a telescope system
5．3．2 Pointing resolutions of straight tracks
5．3．3 Pointing resolutions from parabola tracks
5．4 The performance including MDC outer chamber
5．5 Summary and Conclusion
Chapter 6 Full Monte-Carlo Simulation studies on CPS inner tracker
6．1 Software for the standalone simulation of the inner tracker
6．2 Simulations in BESⅢ offline software system
6．2．3 Simulation Samples and results
6．3 Summary and Conclusion
Conclusions and Perspectives
Appendix
Bibliography
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