Pion mass difference in unified gauge theories in the light-cone region

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The mass shift of pions is discussed in a general class of unified gauge field theories of weak and electromagnetic interactions to second order of the coupling constants and to gi2/mi2 order, respectively. The contributions of both the leading and the next to leading light-cone singularities (quark mass terms) are calculated and it is shown that they do not give any divergent contribution to the pion mass difference.

Original languageEnglish
Article number007
Pages (from-to)606-612
Number of pages7
JournalJournal of Physics G: Nuclear Physics
Issue number6
Publication statusPublished - Dec 1 1975


ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Physics and Astronomy(all)

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