Revisiting the Vector and Axial-vector Vacuum Susceptibilities

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dc.creatorChang, Lei
dc.creatorLiu, Yu-xin
dc.creatorSun, Wei-min
dc.creatorZong, Hong-shi
dc.date2008-10-16
dc.date.accessioned2026-07-07T11:45:54Z
dc.date.available2026-07-07T11:45:54Z
dc.descriptionWe 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.
dc.description5 pages, no figures, revtex4
dc.identifierhttps://arxiv.org/abs/0810.2845
dc.identifierhttp://arxiv.org/abs/0810.2845
dc.identifierPhys.Lett.B669:327-330,2008
dc.identifierdoi:10.1016/j.physletb.2008.10.010
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/202038
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectNuclear Theory
dc.titleRevisiting the Vector and Axial-vector Vacuum Susceptibilities
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