声明
摘要
ABSTRACT
ACKNOWLEDGEMENTS
TABLE OF CONTENTS
Chapter 1 INTRODUCTION
1.1 Electromagnetic Probe
1.2 Form Factors
1.3 Deep-inelastic Scattering(DIS)
1.3.1 Unpolarized Structure Functions
1.3.2 Polarized Structure Functions
1.3.3 h1(x)
Chapter 2 PHYSICS MOTIVATION
2.1 Semi-inclusive Deep Inelastic Scattering(SIDIS)
2.2 Transverse-Momentum-Dependent Parton Distributions(TMDs) and Fragmentation Functions(FFs)
2.2.1 Interpreting SIDIS Process in the Parton Model
2.2.2 TMDs at Leading twist
2.2.3 Fragmentation Functions
2.2.4 TMD Factorization and Collinear Factorization
2.2.5 Model Calculations of TMDs
2.3 Probing the Collins and Sivers Effects
Chapter 3 EXPERIMENTAL SETUP
3.1 Overview
3.2 Incident Electron Beam
3.2.1 The Continuous Electron Bearn Accelerator
3.2.2 Hall A Beamline
3.3 BigBite Spectrometer
3.3.1 BigBite Magnet
3.3.2 Multi-wire Drift Chamber(MWDC)
3.3.3 Lead-glass Calorimeter
3.3.4 Scintillator Plane
3.4 Left High Resolution Spectrometer(HRS)
3.4.1 Vertical Drift Chambers(VDC)
3.4.2 Two Scintillator Planes S1 and S2m
3.4.3 Cherenkov Detectors
3.4.4 Lead-glass Detector
3.5 Polarized 3He target
3.6 Data Acquisition(DAQ) and Trigger
3.6.1 CODA
3.6.2 Trigger Design
Chapter 4 DATA ANALYSIS
4.1 Detector calibrations
4.1.1 BigBite MWDC Calibration
4.1.2 BigBite Spectrometer’s Optics
4.1.3 BigBite Calorimeter Calibration
4.1.4 LHRS Calibrations
4.1.5 Coincidence Time-of-Flight
4.2 Event Selection
4.2.1 Electron Selection from BigBite
4.2.2 PID in LHRS
4.2.3 (e′,kaon)SIDIS Event Selection
4.3 Analysis Method
4.3.1 The Local Pair Method
4.3.2 The Maximum Likelihood Method
4.4 Prescale Factor Effects
4.5 Dilution Study
4.5.1 N2 Dilution
4.5.2 Proton Dilution
Chapter 5 RESULTS AND DISCUSSIONS
5.1 Collins and Sivers Asymmetries in 3He↑(e,e′K±)X Processes
5.1.1 Results
5.1.2 Contaminations
5.1.3 N2 Dilutions
5.1.4 Systematic Uncertainties
5.1.5 One Binning Analysis
5.1.6 Numerical calculation
5.1.7 One-Term Fit
5.1.8 Discussions
5.2 Beam-Target Double-Spin Asymmetries(DSA) in Inclusive Hadron(pions,kaons and protons) Production
5.2.1 Results
5.2.2 Contaminations
5.2.3 Dilutions
5.2.4 Systematic Uncertainty Sources
5.2.5 Discussions
5.3 Target Single Spin Asymmetries in Inclusive Hadron Production
5.3.1 Results
5.3.2 Control of False Asymmetry
5.3.3 Discussions
5.4 Beam-Target Double-Spin Asymmetries in Inclusive electron Production
5.4.1 Binning Information and Kinematic Variables
5.4.2 Obtaining Asymmetries
5.4.3 Combination of Data
5.4.4 N2 Dilution Factors
5.5 Conclusion
APPENDICES
REFERENCES
Biography
中国科学技术大学;