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Operator product expansion of the non-local gluon condensate
Braun, V. M., Chetyrkin, K. G.
and Kniehl, B. A.
(2021)
Operator product expansion of the non-local gluon condensate.
Journal of High Energy Physics 2021 (5), pp. 1-13.
Date of publication of this fulltext: 20 Feb 2022 15:18
Article
DOI to cite this document: 10.5283/epub.51750
Abstract
We consider the short-distance expansion of the product of two gluon field strength tensors connected by a straight-line-ordered Wilson line. The vacuum expectation value of this nonlocal operator is a common object in studies of the QCD vacuum structure, whereas its nucleon expectation value is known as the gluon quasi-parton distribution and is receiving a lot of attention as a tool to extract ...
We consider the short-distance expansion of the product of two gluon field strength tensors connected by a straight-line-ordered Wilson line. The vacuum expectation value of this nonlocal operator is a common object in studies of the QCD vacuum structure, whereas its nucleon expectation value is known as the gluon quasi-parton distribution and is receiving a lot of attention as a tool to extract gluon distribution functions from lattice calculations. Extending our previous study [1], we calculate the three-loop coefficient functions of the scalar operators in the operator product expansion up to dimension four. As a by-product, the three-loop anomalous dimension of the nonlocal two-gluon operator is obtained as well.
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Details
| Item type | Article | ||||
| Journal or Publication Title | Journal of High Energy Physics | ||||
| Publisher: | Springer | ||||
|---|---|---|---|---|---|
| Place of Publication: | NEW YORK | ||||
| Volume: | 2021 | ||||
| Number of Issue or Book Chapter: | 5 | ||||
| Page Range: | pp. 1-13 | ||||
| Date | 25 May 2021 | ||||
| Institutions | Physics > Institute of Theroretical Physics > Chair Professor Braun > Group Vladimir Braun | ||||
| Identification Number |
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| Keywords | SHORT-DISTANCE PROPERTIES; COEFFICIENT FUNCTIONS; MASS CORRECTIONS; BETA-FUNCTION; QCD; RENORMALIZATION; CORRELATORS; ENERGY; Deep Inelastic Scattering (Phenomenology); QCD Phenomenology | ||||
| Dewey Decimal Classification | 500 Science > 530 Physics | ||||
| Status | Published | ||||
| Refereed | Yes, this version has been refereed | ||||
| Created at the University of Regensburg | Yes | ||||
| URN of the UB Regensburg | urn:nbn:de:bvb:355-epub-517503 | ||||
| Item ID | 51750 |
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