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Correlators of heavy–light quark currents in HQET: OPE at three loops

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Chetyrkin, K. G. ; Grozin, A. G.
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Date of publication of this fulltext: 01 Feb 2023 11:33


Coefficient functions of the operator product expansion of correlators of HQET heavy–light quark currents are calculated up to operators of dimension 4 up to 3 loops.

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