## Particle Physics and CosmologyThis readable introduction to particle physics and cosmology discusses the interaction of these two fundamental branches of physics and considers recent advances beyond the standard models. Eight chapters comprise a brief introduction to the gauge theories of the strong and the electroweak interactions, the so-called grand unified theories, and general relativity. Ten more chapters address recent concepts such as composite fermions and bosons, supersymmetry, quantum gravity, supergravity, and strings theories, and relate them to modern cosmology and experimental astronomy. |

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### Contents

Introduction to the Standard Model | 1 |

Gauge Theories | 42 |

Strong Interaction Symmetries | 68 |

Copyright | |

9 other sections not shown

### Common terms and phrases

arise becomes bosons breaking cancel Chapter charge chiral closed color components composite condition conserved consider constant contains contribution corrections corresponding coupling decay defined density depends determined diagrams dimensions direction discussed effective electromagnetic energy equal equation example expect fact factor fermions field follows force function fundamental gauge given gives gluons gravitational hadrons hence Higgs interaction introduce invariance Lagrangian leptons limit loop mass massless matrix matter measured mixing multiplet natural neutrino noted observed obtain occur operators parameters particles photon physics possible potential predicted problem processes produce quantum quarks reason representation respectively result satisfy scalar scale scattering Section shown solution space spinor standard model string SUGRA SUSY symmetry Table term theory transformations universe vacuum vector weak zero