Chiral symmetry in light-front QCD

Meng Hsiu Wu, Wei Min Zhang

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

The definition of chiral transformations in light-front field theory is very different from the conventional form in equal-time formalism. We study the consistency of chiral transformations and chiral symmetry in light-front QCD and derive a complete new light-front axial-vector current for QCD. The breaking of chiral symmetry in light-front QCD is only associated with helicity flip interaction between quarks and gluons. Remarkably, the new axial-vector current does not contain the pion pole part so that the associate chiral charge smoothly describes pion transitions for various hadronic processes.

Original languageEnglish
Pages (from-to)1013-1028
Number of pages16
JournalJournal of High Energy Physics
Volume8
Issue number4
DOIs
Publication statusPublished - 2004 Apr 1

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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