Small-momentum expansion of heavy-quark correlators in the large-β 0 limit and α s extractions

Small-momentum expansion of heavy-quark correlators in the large-β 0 limit and α s extractions

Abstract We calculate the small-momentum expansion of vector, axial-vector, scalar, and pseudo-scalar heavy-quark current correlators in the large-β 0 limit of QCD, extending the analysis of Grozin and Sturm beyond the vector current. Our results are used to study the higher-order behaviour of dimen...

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Bibliographic Details
Main Authors:	Diogo Boito, Vicent Mateu, Marcus V. Rodrigues
Format:	Article
Language:	English
Published:	SpringerOpen 2021-08-01
Series:	Journal of High Energy Physics
Subjects:	QCD Phenomenology NLO Computations
Online Access:	https://doi.org/10.1007/JHEP08(2021)027

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