Introduction to the Physics of Electroweak Interactions

Introduction 1. Deep-inelastic electron scattering on nucleons 1.1. Cross-sections. Structure functions 1.2. Cross-sections sT and sS. The behavior of functions W1 and W2 at q2¿0 1.3. Deep-inelastic scattering of polarized electrons on polarized protons 2. Elastic scattering of high-energy electrons by nucleons 2.1. Elastic electron scattering on nucleons (unpolarized particles) 2.2. Elastic scattering of polarized electrons on polarized nucleons 3. The phenomenological V-A weak interaction theory 4. The Glashow-Weinberg-Salam theory 5. Neutrino processes (charged currents) 5.1. The processes vµ(v-µ)+N¿µ-(µ+)+X(structure functions, general expressions for cross-sections) 5.2. The processes vµ(v-µ)+N¿µ-(µ+)+X (the parton approximation) 5.3. The quasielastic processes vµ+n¿µ-+p and v-µ+p¿µ++n 6. Neutral currents 6.1. The neutral current in the gauge SU(2)XU(1) theory 6.2. The processes vµ(v-µ)+N¿vµ(v-µ)+X 6.3. Processes vµ(v-µ)+p¿vµ-(v-µ)+p 6.4. Processes v(v-)+e¿v(v-)+e 6.5. P-odd asymmetry in deep-inelastic scattering of polarized leptons on nucleons Appendix A. Cross-section (definition, calculation) Appendix B. The Dirac equation Appendix C. Spin states of particles with spin ¿. The density matrix of spin ¿ particles Appendix D. The Fertz transformation Appendix E. The Feynman metric Appendix F. The system of units h=c=1 Appendix G. Deep-inelastic scattering of polarized electrons on polarized nucleons (the parton model) ReferencesIndex