Izlaganje sa skupa

Coulomb gauge Hamiltonian: advances and applications

Stephen R. Cotanch ; Department of Physics, North Carolina State University, Raleigh, NC 27695-8202, USA

Sažetak

Theoretical developments and applications of an effective QCD Hamiltonian in the Coulomb gauge are summarized. BCS, TDA and RPA many-body diagonalizations in the quark and gluon sectors are reported for meson and glueball spectra, respectively. The model glueball Regge trajectories are in good agreement with the established pomeron and a recently observed odd signature daughter. Using the pomeron-glueball connection and vector meson dominance, glueball photoproduction cross sections and decays are calculated and a glueball experimental signature is predicted. The pseudoscalar-vector meson mass splittings are also investigated using a hyperfine interaction based upon transverse gluon exchange. An improved meson spectrum is obtained and the dominant role of chiral symmetry in the π-ρ mass difference is confirmed.

Ključne riječi

QCD; Coulomb gauge Hamiltonian; hyperfine interaction; chiral symmetry; glueballs; pomeron

Hrčak ID:

305604

URI

https://hrcak.srce.hr/305604

Datum izdavanja:

1.3.2004.

Podaci na drugim jezicima: hrvatski

Posjeta: 360 *