Abstract
We present the first lattice QCD calculation with realistic sea quark content of the D+-meson decay constant fD+. We use the MILC Collaboration's publicly available ensembles of lattice gauge fields, which have a quark sea with two flavors (up and down) much lighter than a third (strange). We obtain fD+=201±3±17MeV, where the errors are statistical and a combination of systematic errors. We also obtain fDs=249±3±16MeV for the Ds meson.
| Original language | English (US) |
|---|---|
| Article number | 122002 |
| Journal | Physical review letters |
| Volume | 95 |
| Issue number | 12 |
| DOIs | |
| State | Published - Sep 16 2005 |
ASJC Scopus subject areas
- General Physics and Astronomy