Quantum Chromodynamics
Elementary Particle Physics:
theory and experiments
Prof. dr hab. Elżbieta Richter-Wąs
Follow the course/slides from M. A. Thomson lectures at Cambridge University
The Local Gauge Principle
2
3
From QED to QCD
4
Colour in QCD
5
6
Colour Confinement
7
Colour Singlets
8
Meson Colour Wave-function
9
Baryon Colour Wave-function
10
11
Gluons
12
13
Gluon-gluon Interactions
14
Gluon self-Interations and Confinement
15
Hadronisation and Jets
16
QCD and Colour in e+e- Collisions
17
18
Jet production in e+e- Collisions
19
The Quark-Gluon Interaction
20
Feynman Rules for QCD
21
Matrix element for quark-quark scatering
22
QCD vs QED
23
Evaluation of QCD Colour Factors
24
25
Colour Factors: Quarks and Anti-Quarks
26
27
28
Quark-quark Scattering
29
30
e.g. ppbar collisions at the Tevatron
31
1987 - 2011
32
33
Running Coupling Constants
34
35
Running of as
36
Running of as
37
Summary
38
Appendix A1: Electromagnetism
39
40
Appendix A2: Gauge Invariance
41
42
Appendix B: Local Gauge Invariance
43
44
Appendix C: Local Gauge Invariance 2
45
Appendix D: Alternative evaluation of colour factors
46
47
48
Appendix E: Colour Potentials
49
50
51
