Flavour dependence of the mixed quark gluon condensate

M. Beneke; H. G. Dosch

doi:10.1016/0370-2693(92)91935-3

Flavour dependence of the mixed quark gluon condensate

M. Beneke, H. G. Dosch

Institut für Theoretische Physik Heidelberg

Research output: Contribution to journal › Article › peer-review

20 Scopus citations

Abstract

We study flavour symmetry breaking in the mixed quark gluon condensate by applying the standard QCD sum rules technique to a set of particular choosen "hybrid correlators". We include condensates up to dimension six and discuss perturbative contributions semi-quantitatively. We obtain consistent and stable sum rules which allow the ratio R{colon equals} 〈sσGs〉 / 〈uσGu〉 reliably. The numerical value we obtain is 0.75≤R≤0. 85.

Original language	English
Pages (from-to)	116-122
Number of pages	7
Journal	Physics Letters B
Volume	284
Issue number	1-2
DOIs	https://doi.org/10.1016/0370-2693(92)91935-3
State	Published - 18 Jun 1992
Externally published	Yes

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title = "Flavour dependence of the mixed quark gluon condensate",

abstract = "We study flavour symmetry breaking in the mixed quark gluon condensate by applying the standard QCD sum rules technique to a set of particular choosen {"}hybrid correlators{"}. We include condensates up to dimension six and discuss perturbative contributions semi-quantitatively. We obtain consistent and stable sum rules which allow the ratio R{colon equals} 〈sσGs〉 / 〈uσGu〉 reliably. The numerical value we obtain is 0.75≤R≤0. 85.",

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AU - Beneke, M.

AU - Dosch, H. G.

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N2 - We study flavour symmetry breaking in the mixed quark gluon condensate by applying the standard QCD sum rules technique to a set of particular choosen "hybrid correlators". We include condensates up to dimension six and discuss perturbative contributions semi-quantitatively. We obtain consistent and stable sum rules which allow the ratio R{colon equals} 〈sσGs〉 / 〈uσGu〉 reliably. The numerical value we obtain is 0.75≤R≤0. 85.

AB - We study flavour symmetry breaking in the mixed quark gluon condensate by applying the standard QCD sum rules technique to a set of particular choosen "hybrid correlators". We include condensates up to dimension six and discuss perturbative contributions semi-quantitatively. We obtain consistent and stable sum rules which allow the ratio R{colon equals} 〈sσGs〉 / 〈uσGu〉 reliably. The numerical value we obtain is 0.75≤R≤0. 85.

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DO - 10.1016/0370-2693(92)91935-3

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VL - 284

SP - 116

EP - 122

JO - Physics Letters B

JF - Physics Letters B

IS - 1-2

ER -

Flavour dependence of the mixed quark gluon condensate

Abstract

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