A Weak-Coupling Treatment of Nonperturbative QCD Dynamics to Heavy Hadrons

Details A Weak-Coupling Treatment of Nonperturbative QCD Dynamics to Heavy Hadrons A Weak-Coupling Treatment of Nonperturbative QCD Dynamics to Heavy Hadrons

1997-05-04

arxiv.org/abs/hep-ph/9705226v1

Phys.Rev.D56:1528-1548,1997

Physics

High Energy Physics

High Energy Physics - Phenomenology

35 pages, Revtex, 3 figs. (A shortened and impoved version of hep-ph/9510428 that will be published in Phys. Rev. D)

Scientific paper

10.1103/PhysRevD.56.1528

Based on the recently developed light-front similarity renormalization group approach and the light-front heavy quark effective theory, we derive analytically from first-principles 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.

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