Quarkonia and the pole mass

Research output: Contribution to journalArticlepeer-review

Abstract

The pole mass of a heavy quark is ambiguous by an amount of order (Formula presented) We show that the heavy-quark potential, (Formula presented) is similarly ambiguous, but that the total static energy, (Formula presented) is unambiguous when expressed in terms of a short-distance mass. This implies that the extraction of a short-distance mass from the quarkonium spectrum is free of an ambiguity of order (Formula presented) in contrast with the pole mass.

Original languageEnglish (US)
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume59
Issue number11
DOIs
StatePublished - May 4 1999

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Physics and Astronomy (miscellaneous)

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