Leading and next to leading large nf terms in the cusp anomalous dimension and the quark-antiquark potential
Abstract
I discuss 3 related quantities: the cusp anomalous dimension, the HQET heavy-quark field anomalous dimension, and the quark-antiquark potential. Leading large nf terms can be calculated to all orders in αs. Next to leading terms with the abelian color structure CF2 also can be found to all orders (but not non-abelian CF CA terms). This talk is based on Appendices C and D in [arXiv:1510.07803].
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