Hyperon axial charges in two-flavor chiral perturbation theory

Fu Jiun Jiang; Brian C. Tiburzi

doi:10.1103/PhysRevD.80.077501

Hyperon axial charges in two-flavor chiral perturbation theory

Fu Jiun Jiang^*
, Brian C. Tiburzi

^*此作品的通信作者

研究成果: 雜誌貢獻 › 期刊論文 › 同行評審

24 引文斯高帕斯（Scopus）

摘要

We use two-flavor heavy baryon chiral perturbation theory to investigate the isovector axial charges of the spin one-half hyperons. Expressions for these hyperon axial charges are derived at next-to-leading order in the chiral expansion. We utilize phenomenological and lattice QCD inputs to assess the convergence of the two-flavor theory, which appears to be best for cascades.

原文	英語
文章編號	077501
期刊	Physical Review D - Particles, Fields, Gravitation and Cosmology
卷	80
發行號	7
DOIs	https://doi.org/10.1103/PhysRevD.80.077501
出版狀態	已發佈 - 2009 10月 21
對外發佈	是

ASJC Scopus subject areas

核能與高能物理
物理與天文學（雜項）

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10.1103/PhysRevD.80.077501

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AB - We use two-flavor heavy baryon chiral perturbation theory to investigate the isovector axial charges of the spin one-half hyperons. Expressions for these hyperon axial charges are derived at next-to-leading order in the chiral expansion. We utilize phenomenological and lattice QCD inputs to assess the convergence of the two-flavor theory, which appears to be best for cascades.

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Hyperon axial charges in two-flavor chiral perturbation theory

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ASJC Scopus subject areas

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