Erratum: Three-quark static potential in perturbation theory (Physical Review D (2010) 81 (054031) DOI: 10.1103/PhysRevD.81.054031)

Nora Brambilla, Jacopo Ghiglieri, Antonio Vairo

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Abstract

We study the three-quark static potential in perturbation theory in QCD. A complete next-to-leading order calculation is performed in the singlet, octets, and decuplet channels and the potential exponentiation is demonstrated. The mixing of the octet representations is calculated. At next-to-next-to-leading order, the subset of diagrams producing three-body forces is identified in Coulomb gauge and its contribution to the potential calculated. Combining it with the contribution of the two-body forces, which may be extracted from the quark-antiquark static potential, we obtain the complete next-to-next-to-leading order three-quark static potential in the color-singlet channel.

Original languageEnglish
Article number019904
JournalPhysical Review D
Volume107
Issue number1
DOIs
StatePublished - 1 Jan 2023

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