Chiral symmetry in light-front QCD

Meng Hsiu Wu, Wei Min Zhang

研究成果: Article同行評審

2 引文 斯高帕斯(Scopus)

摘要

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.

原文English
頁(從 - 到)1013-1028
頁數16
期刊Journal of High Energy Physics
8
發行號4
DOIs
出版狀態Published - 2004 四月 1

All Science Journal Classification (ASJC) codes

  • 核能與高能物理

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