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Lectures on QED and QCD : practical calculation and renormalization of one- and multi-loop Feynman diagrams
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Lectures on QED and QCD : practical calculation and renormalization of one- and multi-loop Feynman diagrams

Author: A G Grozin
Publisher: Singapore ; Hackensack, NJ : World Scientific, ©2007.
Edition/Format:   Book : EnglishView all editions and formats
Summary:

The increasing precision of experimental data in areas of elementary particle physics requires a precise theoretical description. Covering multi-loop calculations, this book acts as a supplement to  Read more...

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Details

Material Type: Internet resource
Document Type: Book, Internet Resource
All Authors / Contributors: A G Grozin
ISBN: 9789812569141 9812569146
OCLC Number: 123492724
Description: xi, 224 p. : ill. ; 24 cm.
Contents: Part 1 QED and QCD 1 --
1 One-loop diagrams 3 --
1.1 Divergences, regularization and renormalization 3 --
1.2 Massive vacuum diagram 6 --
1.3 Integrals in d dimensions 9 --
1.4 Feynman parametrization 13 --
1.5 Massless propagator diagram 14 --
1.6 Tensors and [gamma]-matrices in d dimensions 17 --
2 QED at one loop 21 --
2.1 Lagrangian and Feynman rules 21 --
2.2 Photon propagator 23 --
2.3 Ward identity 25 --
2.4 Photon self-energy 27 --
2.5 Photon field renormalization 28 --
2.6 Electron propagator 30 --
2.7 Vertex and charge renormalization 33 --
2.8 Electron mass 39 --
3 QCD at one loop 43 --
3.1 Lagrangian and Feynman rules 43 --
3.2 Quark propagator 48 --
3.3 Gluon propagator 49 --
3.4 Ghost propagator 52 --
3.5 Quark-gluon vertex 53 --
3.6 Coupling constant renormalization 54 --
3.7 Ghost-gluon vertex 56 --
3.8 Three-gluon vertex 58 --
3.9 Four-gluon vertex 65 --
4 Two-loop corrections in QED and QCD 73 --
4.1 Massless propagator diagram 73 --
4.2 Photon self-energy 79 --
4.3 Photon field renormalization 82 --
4.4 Charge renormalization 87 --
4.5 Electron self-energy 89 --
4.6 Electron field renormalization 93 --
4.7 Two-loop corrections in QCD 97 --
5 On-shell renormalization scheme 101 --
5.1 On-shell renormalization of photon field 101 --
5.2 One-loop massive on-shell propagator diagram 103 --
5.3 On-shell renormalization of electron mass and field 106 --
5.4 On-shell charge 109 --
5.5 Magnetic moment 111 --
5.6 Two-loop massive vacuum diagram 116 --
5.7 On-shell renormalization of photon field and charge at two loops 118 --
5.8 On-shell renormalization in QCD 119 --
6 Decoupling of heavy-particle loops 121 --
6.1 Photon field 121 --
6.2 Electron field 124 --
6.3 Charge 127 --
6.4 Electron mass 129 --
6.5 Decoupling in QCD 131 --
7 Conclusion: Effective field theories 135 --
Appendix A Colour factors 141 --
Part 2 Multiloop calculations 157 --
8 Massless propagator diagrams 159 --
8.2 One loop 160 --
8.3 Two loops 162 --
8.4 Three loops 168 --
8.5 G(1, 1, 1, 1, n) 171 --
8.6 Non-planar basis integral 175 --
9 HQET propagator diagrams 179 --
9.1 Crash course of HQET 179 --
9.2 One loop 181 --
9.3 Two loops 182 --
9.4 Three loops 187 --
9.5 J(1, 1, n, 1, 1) 189 --
9.6 I(1, 1, 1, 1, n) 191 --
10 Massive on-shell propagator diagrams 197 --
10.1 One loop 197 --
10.2 Two loops 199 --
10.3 Two loops, two masses 202 --
10.4 Three loops 205 --
11 Hypergeometric functions and multiple [Zeta] values 209 --
11.1 Multiple [Zeta] values 209 --
11.2 Expanding hypergeometric functions in [epsilon]: an example 215 --
11.3 Expanding hypergeometric functions in [epsilon]: the algorithm 218.
Responsibility: Andrey Grozin.

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