Weak-coupling treatment of nonperturbative QCD dynamics to heavy hadrons

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Abstract

Based on the recently developed light-front similarity renormalization group approach and the light-front heavy quark effective theory, we derive analytically from QCD a heavy quark light-front Hamiltonian which contains explicitly a confinement interaction at long distances and a Coulomb-type interaction at short distances. With this light-front QCD Hamiltonian, we further demonstrate that the nonperturbative QCD dynamics of the strongly interacting heavy hadron bound states can be treated as a weak-coupling problem.

Original languageEnglish
Pages (from-to)1528-1548
Number of pages21
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume56
Issue number3
DOIs
Publication statusPublished - 1997

All Science Journal Classification (ASJC) codes

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

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