arXiv:hep-lat/0402012·v1·High Energy Physics — Lattice
An estimate of the flavour singlet contributions to the hyperfine splitting in charmonium
UKQCD Collaboration: C. McNeile🇬🇧 · C. Michael🇬🇧
Abstract
We explore the splitting between flavour singlet and non-singlet mesons in charmonium. This has implications for the hyperfine splitting in charmonium.