## Gauge Theory of Weak InteractionsSpringer Science & Business Media, 2009 - Elementary Particles, Quantum Field Theory Gauge Theory of Weak Interactions treats the unification of electromagnetic and weak interactions and considers related phenomena. First, the Fermi theory of beta decay is presented, followed by a discussion of parity violation, clarifying the importance of symmetries. Then the concept of a spontaneously broken gauge theory is introduced, and all necessary mathematical tools are carefully developed. The "standard model" of unified electroweak interactions is thoroughly discussed including current developments. The final chapter contains an introduction to unified theories of strong and electroweak interactions. Numerous solved examples and problems make this volume uniquely suited as a text for an advanced course. Thisfourth edition has been carefully revised. |

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### Contents

I | 1 |

II | 3 |

III | 11 |

IV | 22 |

V | 25 |

VI | 27 |

VII | 40 |

VIII | 45 |

XXXI | 203 |

XXXII | 205 |

XXXIII | 208 |

XXXIV | 217 |

XXXV | 227 |

XXXVI | 246 |

XXXVII | 247 |

XXXVIII | 253 |

### Common terms and phrases

angle angular antineutrino antiparticles antisymmetric baryon Berlin beta decay calculation centre-of-mass color components conservation contribution corresponding coupling constant cross section denote diagram Dirac doublets eigenstates electromagnetic electron neutrino emitted energy equation Example Exercise experimental expression factor Fermi fermion Feynman ﬁelds gauge bosons gauge fields gauge group gauge invariance gauge theory Greiner hadronic Heidelberg helicity Hence Higgs field hypercharge intermediate bosons isospin Lagrangian left-handed leptons Lett Lorentz mass term massless matrix element mesons momentum muon decay neutral current neutron nuclear nucleon nucleus obtain operator parity particles Phys physics pion polarization positron processes propagator proton Quantum Electrodynamics Quantum Mechanics quantum numbers quarks relation renormalization representation rest frame result right-handed scalar scattering Sect sin2 singlet Solution spin spinor Springer standard model tensor transition vacuum expectation value wave function weak current weak interaction Weinberg angle yields Z boson