Gluon condensate in charmonium sum rules for the axial-vector current

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dc.creatorSamsonov, A.
dc.date2004-07-17
dc.date.accessioned2026-07-25T19:04:03Z
dc.descriptionThe charmonium sum rules for the axial-vector current are considered. The three-loop perturbative corrections, operators up to 8 dimension and perturbative corrections to the lowest dimension operator are accounted. The contribution of the operators of 6 and 8 dimensions is computed in the framework of factorization hypothesis and instanton model. For the value of gluon condensate the following result is obtained: (0.005+0.001-0.004)GeV^4 (for the charm quark mass 1.275 GeV).
dc.description13 pages, 1 figure
dc.identifierhttps://arxiv.org/abs/hep-ph/0407199
dc.identifierhttp://arxiv.org/abs/hep-ph/0407199
dc.identifier.urihttps://dspace.dare.co.zw/handle/123456789/61137
dc.subjectHigh Energy Physics - Phenomenology
dc.titleGluon condensate in charmonium sum rules for the axial-vector current
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