TL;DR
This paper discusses the calculation of three-loop accuracy matching between QCD and HQET for heavy-quark fields and currents, advancing precision in theoretical predictions involving heavy quarks.
Contribution
It provides the first three-loop level matching calculations for heavy-quark fields and heavy-light currents between QCD and HQET.
Findings
Achieved three-loop accuracy in QCD/HQET matching.
Enhanced precision in heavy-quark effective theory calculations.
Provides foundational results for future high-precision QCD studies.
Abstract
QCD/HQET matching for the heavy-quark field and heavy-light quark currents with three-loop accuracy is discussed.
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