✦ LIBER ✦

Properties of charmonium in lattice QCD with 2 + 1 flavors of improved staggered sea quarks

✍ Scribed by Massimo di Pierro; Aida X. El-Khadra; Steven Gottlieb; Andreas S. Kronfeld; Paul B. Mackenzie; Damian P. Menscher; Mehmet B. Oktay; Masataka Okamoto; James N. Simone

Publisher: Elsevier Science
Year: 2004
Tongue: English
Weight: 262 KB
Volume: 129-130
Category: Article
ISSN: 0920-5632
DOI: 10.1016/s0920-5632(03)02575-1

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✦ Synopsis

We use the dynamical gluon configurations provided by the MILC collaboration in a study of the charmonium spectrum and + leptonic width. We examine sea quark effects on mass splitting and on the leptonic decay matrix element for light masses as low as ms/5, while keeping the strange quark mass fixed and the lattice spacing nearly constant.

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