## Gauge Theories in Particle Physics, Volume II: QCD and the Electroweak Theory, Third EditionThis is the second volume of the third edition of a successful text, now substantially enlarged and updated to reflect developments over the last decade in the curricula of university courses and in particle physics research. Volume I covered relativistic quantum mechanics, electromagnetism as a gauge theory, and introductory quantum field theory, and ended with the formulation and application of quantum electrodynamics (QED), including renormalization. Building on these foundations, this second volume provides a complete, accessible, and self-contained introduction to the remaining two gauge theories of the standard model of particle physics: quantum chromodynamics (QCD) and the electroweak theory. The treatment significantly extends that of the second edition in several important respects. Simple ideas of group theory are now incorporated into the discussion of non-Abelian symmetries. Two new chapters have been added on QCD, one devoted to the renormalization group and scaling violations in deep inelastic scattering and the other to non-perturbative aspects of QCD using the lattice (path-integral) formulation of quantum field theory; the latter is also used to illuminate various aspects of renormalization theory, via analogies with condensed matter systems. Three chapters treat the fundamental topic of spontaneous symmetry breaking: the (Bogoliubov) superfluid and the (BCS) superconductor are studied in some detail; one chapter is devoted to the implications of global chiral symmetry breaking in QCD; and one to the breaking of local SU(2)xU(1) symmetry in the electroweak theory. Weak interaction phenomenology is extended to include discussion of discrete symmetries and of the possibility that neutrinos are Majorana (rather than Dirac) particles. Most of these topics are normally found only in more advanced texts, and this is the first book to treat them in a manner accessible to the wide readership that the previous editions have attracted. |

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Page 47: see the comments about Local SU(2) Symmetry: the covariant derivative and the interaction with matter. * Only one g constant is needed. * It is a mistery why electic charge should be quantized. * The gauge fields are having isospin 1, therefore they interact with themselves. Page 85. CDF, experimental tests. Page 89. The dynamics of colour. Page 96. Jet picture.

### Contents

III | 3 |

IV | 5 |

V | 12 |

VI | 14 |

VII | 18 |

VIII | 24 |

IX | 31 |

X | 37 |

LXXI | 249 |

LXXII | 250 |

LXXV | 255 |

LXXVI | 259 |

LXXVII | 263 |

LXXVIII | 266 |

LXXIX | 269 |

LXXX | 274 |

XI | 39 |

XIII | 40 |

XIV | 48 |

XV | 55 |

XVI | 59 |

XVII | 61 |

XVIII | 63 |

XIX | 69 |

XX | 78 |

XXI | 81 |

XXII | 83 |

XXIII | 84 |

XXIV | 87 |

XXV | 90 |

XXVI | 92 |

XXVII | 95 |

XXVIII | 104 |

XXIX | 105 |

XXX | 113 |

XXXI | 115 |

XXXII | 119 |

XXXIII | 121 |

XXXIV | 124 |

XXXV | 126 |

XXXVI | 130 |

XXXVII | 135 |

XXXVIII | 138 |

XXXIX | 139 |

XLI | 144 |

XLII | 146 |

XLIII | 151 |

XLIV | 153 |

XLV | 154 |

XLVI | 158 |

XLVII | 161 |

XLVIII | 169 |

XLIX | 171 |

L | 172 |

LI | 176 |

LII | 182 |

LIII | 191 |

LIV | 193 |

LV | 195 |

LVI | 197 |

LVII | 199 |

LVIII | 202 |

LIX | 208 |

LX | 211 |

LXI | 215 |

LXII | 218 |

LXIII | 224 |

LXIV | 226 |

LXVI | 227 |

LXVII | 230 |

LXVIII | 234 |

LXIX | 239 |

LXX | 244 |

LXXXI | 275 |

LXXXII | 277 |

LXXXIII | 278 |

LXXXIV | 281 |

LXXXV | 282 |

LXXXVI | 285 |

LXXXVII | 289 |

LXXXVIII | 292 |

LXXXIX | 295 |

XC | 297 |

XCI | 301 |

XCII | 302 |

XCIII | 306 |

XCIV | 314 |

XCV | 316 |

XCVI | 321 |

XCVII | 322 |

XCVIII | 325 |

XCIX | 326 |

C | 331 |

CI | 334 |

CII | 336 |

CIII | 341 |

CIV | 345 |

CV | 346 |

CVI | 351 |

CVII | 353 |

CIX | 358 |

CX | 364 |

CXI | 369 |

CXII | 370 |

CXIII | 379 |

CXIV | 380 |

CXV | 383 |

CXVI | 385 |

CXVII | 388 |

CXVIII | 390 |

CXIX | 391 |

CXXI | 393 |

CXXII | 394 |

CXXIII | 395 |

CXXIV | 396 |

CXXV | 397 |

CXXVI | 398 |

CXXVII | 401 |

CXXVIII | 405 |

CXXIX | 409 |

CXXX | 413 |

CXXXII | 418 |

CXXXIII | 422 |

CXXXIV | 425 |

CXXXV | 426 |

CXXXVII | 427 |

CXXXIX | 428 |

433 | |

443 | |

### Common terms and phrases

amplitude analogous anti-quark behaviour calculation chapter charge chiral symmetry colour components conserved consider constant contribution corresponding coupling covariant derivative cross-section current-current decay defined degrees of freedom dimensions Dirac divergence doublet eigenvalues electromagnetic electron electroweak theory energy equation example fact factor fermion Feynman finite flavour function gauge fields gauge invariance gauge theory global gluon graphs hadronic helicity Higgs infinitesimal integral involving isospin Lagrangian lattice lepton loop Lorentz mass term massive massless matrix element meson momentum neutral current neutrino non-Abelian nucleon one-loop operators pairs parameters parity particles parton model perturbation theory phase photon physical pion polarization vectors predictions problem propagator quantity quantum field theory quantum numbers quark mass renormalizable renormalization representation result rotations scale shown in figure spin spinor spontaneous symmetry breaking spontaneously broken Standard Model superconductor transformation triplet unitarity vacuum variables vector boson Verify vertex wavefunction weak interactions zero