Hamiltonian renormalization for bound state problem in gluodynamics

Details Hamiltonian renormalization for bound state problem in gluodynamics Hamiltonian renormalization for bound state problem in gluodynamics

1999-05-28

arxiv.org/abs/hep-ph/9905527v4

Physics

High Energy Physics

High Energy Physics - Phenomenology

31 pages, LaTeX, 4 Figures, revised version, Submitted to Phys.Rev.D

Scientific paper

The systematic approach to study bound states in gluodynamics is presented. The method utilizes flow equations together with low-energy phenomenology, that provides the perturbative renormalization scaling in conjuction with the change of the basis to constituent gluon states. The renormalized effective Hamiltonian of gluodynamics up to the second order is obtained at low energies, which provides a kind of constituent gluon model for glueball bound states. The approach allows to include perturbative QCD corrections into nonperturbative calculations of many-body techniques. The performed numerical calculations support the constituent picture of hadronic observables.

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