Ds spectrum and leptonic decays with Fermilab heavy quarks and improved staggered light quarks

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

Research output: Contribution to journalArticlepeer-review

Abstract

We present preliminary results for the Ds meson spectrum and decay constants in unquenched lattice QCD. Simulations are carried out with 2 + 1 dynamical quarks using gauge configurations generated by the MILC collaboration. We use the "asqtad" a2 improved staggered action for the light quarks, and the clover heavy quark action with the Fermilab interpretation. We compare our spectrum results with the newly discovered 0+ and 1+ states in the Ds system.

Original languageEnglish (US)
Pages (from-to)328-330
Number of pages3
JournalNuclear Physics B - Proceedings Supplements
Volume129-130
DOIs
StatePublished - Mar 2004

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Nuclear and High Energy Physics

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