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

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arxiv hep-lat/0310045 v1 pith:YL7IXJ7D submitted 2003-10-17 hep-lat

Massimo di Pierro , Aida X. El-Khadra , Steven Gottlieb , Andreas S. Kronfeld , Paul B. Mackenzie , Damian P. Menscher , Masataka Okamoto , James N. Simone This is my paper
classification hep-lat
keywords quarksspectrumactionfermilabheavyimprovedlightresults
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We present preliminary results for the D_s 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'' a^2 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 D_s system.

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