Bound state studies in light-front QCD of mesons containing at least one heavy quark

1996/04/22 by Martina Brisudova, Brisudova, Martina
Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph) #hep-ph

paper · pdf · doi:10.48550/arxiv.hep-ph/9604386

5 pages. Contribution to the proceedings of Hadron Structure 96, Slovakia, Feb. 1996. Companion paper to hep-ph/9604318 by Robert Perry

arxiv created 1996/04/22 · arxiv updated 2009/11/30

Abstract

We present a QCD bound-state calculation based on a renormalization group-improved light-front Hamiltonian formalism. The QCD Hamiltonian is determined to second order in the coupling, and it includes two-body confining interactions. We make a momentum expansion, obtaining an equal-time-like Schrodinger equation. This is solved for quark-antiquark constituent states, and we obtain a set of self-consistent parameters by fitting B mesons. Applying the approach to charmonium spectra leads to a prediction of the hyperfine splitting between J/ψ(1S) and η_c(1S) which is in good agreement with experiment.

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