ISBN: 3540677089
AUTHOR: Katz
TITLE: Deep Inelastic Positron
TOC:

1. Introduction 1
1.1 History of Deep Inelastic Scattering 3
1.2 The HERA Collider: Parameters and Performance 5
1.3 Deep Inelastic Scattering at HERA 6
1.3.1 Kinematic Variables 7
1.3.2 Characteristics of High-Q^2 NC and CC Reactions 9
2. Deep Inelastic ep Cross Sections 13
2.1 Deep Inelastic Scattering in the Standard Model 13
2.1.1 The Leading-Order Differential Cross Sections 14
2.1.2 Including QCD Effects 18
2.1.3 Electroweak Radiative Corrections 28
2.1.4 Experimental Input Data from Previous Experiments 30
2.1.5 Parton Distribution Fits 36
2.1.6 Selected Parton Distribution and Cross Section Results 37
2.1.7 Modeling the Hadronic Final State 47
2.2 Modifications of the Standard-Model Scenario 49
2.2.1 Nonstandard Parton Distribution Functions 49
2.2.2 Theoretical Scenarios Involving New Physics 52
3. Experimental Issues 73
3.1 The ZEUS and H1 Detectors 73
3.1.1 Overview 74
3.1.2 Calorimetric Energy and Position Measurements 77
3.1.3 Track Measurements 81
3.1.4 Luminosity Measurements 82
3.1.5 Triggering 84
3.2 Event and Detector Simulation 87
3.3 Event Reconstruction 89
3.3.1 Global Event Variables 90
3.3.2 Electron Identification 91
3.3.3 Reconstruction of Kinematic Variables 92
3.3.4 Electron Energy Calibration 99
3.4 Event Selection and Correction Procedures 99
3.4.1 Selection Criteria and Acceptances 101
3.4.2 Background Studies 104
3.4.3 Acceptance and Migration Corrections 106
3.5 Summary of Analyses and Data Samples 107
4. Results from the ZEUS and H1 Experiments 115
4.1 Neutral-Current Results 116
4.1.1 Investigation of Neutral-Current Event Distributions 117
4.1.2 Differential Neutral-Current Cross Sections 126
4.2 Charged-Current Results 136
4.2.1 Investigation of Charged-Current Event Distributions 136
4.2.2 Differential Charged-Current Cross Sections 140
4.3 QCD Analyses and Tests of the Electroweak Theory 147
4.3.1 The ZEUS and H1 QCD Fits 148
4.3.2 Sensitivity to Electroweak Aspects 152
4.4 Searches for New Physics 157
4.4.1 Electron-Quark Resonances 158
4.4.2 Contact Interactions 178
5. Outlook 187
6. Summary 191
List of Abbreviations, Acronyms and Symbols 199
Frequently Used Abbreviations 199
Acronyms of Laboratories, Accelerators and Experiments 200
Frequently Used Symbols 201
References 203
Index 221
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