Further comments on a vanishing singlet axial vector charge
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Further comments on a vanishing singlet axial vector charge

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Further comments on a vanishing singlet axial vector charge

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dc.contributor.author Cheng, Ta-Pei
dc.contributor.author Kochelev, Nikolai
dc.contributor.author Vento Torres, Vicente
dc.date.accessioned 2015-05-11T10:36:46Z
dc.date.available 2015-05-11T10:36:46Z
dc.date.issued 1999
dc.identifier.uri http://hdl.handle.net/10550/43652
dc.description.abstract The recent suggestion of a vanishing flavor-singlet axial-charge of nucleon due to a nontrivial vacuum structure is further amplified. A perturbative QCD discussion, applicable for the heavy quark contributions, relates it to the physics of the decoupling theorem. It is also shown that leads to a negative η′-meson-quark coupling, which has been found to be compatible with the chiral quark model phenomenology.
dc.language.iso eng
dc.relation.ispartof Modern Physics Letters A, 1999, vol. 14, num. 3, p. 205-209
dc.rights.uri info:eu-repo/semantics/openAccess
dc.source Cheng, Ta-Pei Kochelev, Nikolai Vento Torres, Vicente 1999 Further comments on a vanishing singlet axial vector charge Modern Physics Letters A 14 3 205 209
dc.subject Física
dc.title Further comments on a vanishing singlet axial vector charge
dc.type info:eu-repo/semantics/article
dc.date.updated 2015-05-11T10:36:46Z
dc.identifier.doi http://dx.doi.org/10.1142/S0217732399000249
dc.identifier.idgrec 075388

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