Correlators of heavy-light quark currents in HQET: OPE at three loops
High Energy Physics - Phenomenology
2022-03-14 v2
Abstract
Coefficient functions of the operator product expansion of correlators of HQET heavy--light quark currents are calculated up operators of dimension 4 up to to 3 loops.
Keywords
Cite
@article{arxiv.2111.14571,
title = {Correlators of heavy-light quark currents in HQET: OPE at three loops},
author = {K. G. Chetyrkin and A. G. Grozin},
journal= {arXiv preprint arXiv:2111.14571},
year = {2022}
}
Comments
20 pages, 3 figures. v2: tiny text improvements