Chiral corrections and the axial charge of the delta

Fu Jiun Jiang, Brian C. Tiburzi

研究成果: 雜誌貢獻文章

21 引文 斯高帕斯(Scopus)

摘要

Chiral corrections to the delta axial charge are determined using heavy baryon chiral perturbation theory. Knowledge of this axial coupling is necessary to assess virtual-delta contributions to nucleon and delta observables. We give isospin relations useful for a lattice determination of the axial coupling. Furthermore, we detail partially quenched chiral corrections, which are relevant to address partial quenching and/or mixed action errors in lattice calculations of the delta axial charge.

原文英語
文章編號017504
期刊Physical Review D - Particles, Fields, Gravitation and Cosmology
78
發行號1
DOIs
出版狀態已發佈 - 2008 七月 18

ASJC Scopus subject areas

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

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