Correlators of heavy-light quark currents in HQET: OPE at three loops
arXiv:2111.14571 · doi:10.1016/j.nuclphysb.2022.115702
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.
arXiv comment20 pages, 3 figures. v2: tiny text improvements
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