Electroweak theory

Cover......Page 1
Half-title......Page 3
Title......Page 5
Copyright......Page 6
Dedication......Page 7
Contents......Page 9
III. Experimental consequences and comparisons......Page 13
Part I The road to unification......Page 17
1.1 Introduction......Page 19
1.2 The current for hadronic states......Page 22
1.3 Parity-violating form factors......Page 25
References......Page 26
Select bibliography......Page 27
2.1 The weak currents and some of their properties......Page 28
2.2 The partially conserved axial current......Page 32
2.3 Regularities among the forces......Page 34
Reference......Page 35
Select bibliography......Page 36
3.1 Introduction......Page 37
3.2 Current algebra......Page 38
3.3 Quantum chromodynamics......Page 42
References......Page 44
Select bibliography......Page 45
Part II Field theories with global or local symmetries......Page 47
4.1 The Yang–Mills field......Page 49
4.2 Gauge invariance in scalar electrodynamics......Page 52
Problems for Chapter 4......Page 55
5 Spontaneous breaking of symmetries......Page 57
5.1 Spontaneous breaking of global symmetries: discrete symmetry......Page 58
5.2 Continuous global symmetries......Page 60
5.3 Spontaneous breaking of local symmetries......Page 65
Problems for Chapter 5......Page 67
Select bibliography......Page 68
6 Construction of the model......Page 69
Select bibliography......Page 72
7.1 Masses for gauge bosons......Page 73
7.2 Masses for leptons......Page 77
Select bibliography......Page 78
8.1 Feynman rules......Page 80
8.2 Predictions in the leptonic sector......Page 84
8.3 Leptonic neutral currents......Page 86
8.4 Weak effects in electron–positron annihilation......Page 92
Problem for Chapter 8......Page 93
9.1 The mixing matrix......Page 94
9.2 Flavor-changing neutral couplings (FCNCs)......Page 98
9.3 The elements of the mixing matrix......Page 100
9.3.1 Determination of Vud......Page 101
9.3.2 Determination of Vus......Page 102
9.3.3 Determination of |Vcd| and |Vcs|......Page 103
9.3.4 B-Meson decays and the determination of Vcb and Vub......Page 104
9.3.5 Summary and unitarity......Page 105
Select bibliography......Page 108
Part III Experimental consequences and comparisons......Page 109
10.1 Kinematics for deep inelastic scattering......Page 111
10.2 Hadronic structure functions......Page 115
10.3 Scaling and the total cross section......Page 117
Neutrino–nucleon scattering......Page 120
10.5 The Drell–Yan process......Page 124
Problems for Chapter 10......Page 126
References......Page 127
11.1 Deep inelastic scattering......Page 128
11.1.1 Scaling and the charge of the quarks......Page 129
11.1.2 Spin of the quarks......Page 130
11.1.3 Sum rules......Page 132
11.2 Evolution of distribution functions......Page 133
11.3 Quasi-elastic scattering......Page 136
Select bibliography......Page 139
12.1 Neutrino–hadron neutral-current interactions......Page 140
12.2 Model-independent predictions......Page 142
12.3 Neutral-current cross sections......Page 144
12.4 Parity violation in electron scattering......Page 146
Problems for Chapter 12......Page 148
References......Page 151
13.1 Neutrino masses......Page 152
13.2 Neutrino oscillations......Page 155
13.2.1 Oscillation in matter......Page 158
13.3 Experimental results......Page 161
13.4 Majorana neutrinos......Page 164
13.5 Neutrinoless double beta decay......Page 166
Problems for Chapter 13......Page 168
Select bibliography......Page 170
14.1 Introduction......Page 171
14.2.1 The spectator model......Page 174
14.2.2 The parton model......Page 176
14.3 Exclusive semileptonic decays......Page 179
14.4 Heavy-quark effective theory......Page 180
14.5 The effective Lagrangian: 1/mQ corrections......Page 183
Mass relations......Page 184
14.6 The top quark and its physical properties......Page 187
14.7.1 Mixing of states and lifetime differences: a preview......Page 189
14.7.2 Calculation of a box diagram......Page 191
14.7.3 Integrals in Euclidean space......Page 192
14.7.4 Feynman parameters......Page 193
Problems for Chapter 14......Page 194
Select bibliography......Page 195
15.1 Introduction......Page 196
15.2 General properties......Page 197
15.3 Time devlopment of states......Page 200
15.3.1 Simplified formulas for K0 mesons......Page 203
15.4 The K0– 0 transition amplitude......Page 205
15.5 CP violation in amplitudes......Page 207
15.6 The effective Hamiltonian......Page 210
15.7 Calculation of a penguin diagram......Page 214
References......Page 217
Select bibliography......Page 218
16.2 The D0–…......Page 219
16.3 Comparison of K0 and B0 mesons......Page 222
16.4 Mixing in the Bd system......Page 223
16.5 Decay rates and CP violation......Page 226
16.6 Mass and lifetime differences for Bs mesons......Page 231
Problems for Chapter 16......Page 232
Select bibliography......Page 233
17.1 Higgs-boson couplings......Page 234
17.2 Precision tests of the theory......Page 236
17.3 Bounds on masses from general principles......Page 240
17.4 Decays......Page 241
17.5 Production in electron–positron colliders......Page 243
17.6 Production in hadron colliders......Page 245
17.7 Other symmetry-breaking schemes......Page 247
Problems for Chapter 17......Page 248
Select bibliography......Page 249
Epilogue......Page 250
A.1 Conventions......Page 252
A.2 Dirac matrices and spinors......Page 253
A.3 Currents......Page 254
B.2 Contraction identities and traces......Page 255
B.3 Some Feynman rules......Page 256
Appendix C Identities for quark bilinears......Page 258
Index......Page 259