Broken Symmetry and the Mass of Gauge Vector Mesons

1964

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Abstract:
It is of interest to inquire whether gauge vector mesons acquire mass through interaction; by a gauge vector meson we mean a Yang-Mills field associated with the extension of a Lie group from global to local symmetry. The importance of this problem resides in the possibility that strong-interaction physics originates from massive gauge fields related to a system of conserved currents. In this note, we shall show that in certain cases vector mesons do indeed acquire mass when the vacuum is degenerate with respect to a compact Lie group.
  • GAUGE FIELD THEORY: YANG-MILLS
  • VECTOR MESON: MASS
  • MASS: VECTOR MESON
  • SPONTANEOUS SYMMETRY BREAKING
  • FIELD THEORY: GOLDSTONE THEOREM
  • SYMMETRY: CHIRAL
  • GROUP THEORY: LIE
  • FIELD THEORY: VACUUM POLARIZATION
  • VACUUM POLARIZATION: FIELD THEORY