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题名: Revisiting the vector and axial-vector vacuum susceptibilities
作者: Chang, Lei2, 3; Liu, Yu-xin2, 3, 4; Sun, Wei-min1, 5; Zong, Hong-shi1, 5
刊名: PHYSICS LETTERS B
出版日期: 2008-11-27
卷号: 669, 期号:5, 页码:327-330
DOI: 10.1016/j.physletb.2008.10.010
文章类型: Article
英文摘要: We re-investigate the vector and axial-vector vacuum susceptibilities by, taking advantage of the vector and axial-vector Ward-Takahashi identities. We show analytically that, in the chiral limit, the vector vacuum susceptibility is zero and the axial-vector vacuum susceptibility equals three fourths of the Square of the pion decay constant. Besides, our analysis reproduces the Weinberg sum rule. (C) 2008 Elsevier B.V. All rights reserved.
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Physics, Multidisciplinary
研究领域[WOS]: Physics
关键词[WOS]: QCD SUM-RULES ; ODD PARTON DISTRIBUTIONS ; PION WAVE-FUNCTION ; TENSOR SUSCEPTIBILITY ; MAGNETIC-MOMENTS ; MESONS
收录类别: SCI
语种: 英语
WOS记录号: WOS:000261631800014
Citation statistics:
内容类型: 期刊论文
URI标识: http://libir.pmo.ac.cn/handle/332002/15894
Appears in Collections:暗物质和空间天文实验室_期刊论文

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作者单位: 1.Nanjing Univ, Dept Phys, Nanjing 210093, Peoples R China
2.Peking Univ, Dept Phys, Beijing 100871, Peoples R China
3.Peking Univ, State Key Lab Nucl Phys & Technol, Beijing 100871, Peoples R China
4.Ctr Theoret Nucl Phys, Natl Lab Heavy Ion Accelerator, Lanzhou 730000, Peoples R China
5.Joint Ctr Particle Nucl Phys & Cosmol, Nanjing 210093, Peoples R China
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