TL;DR
This paper presents preliminary lattice QCD results for D_s meson spectrum, focusing on P-wave states, using 2+1 flavor configurations and the Fermilab method, including charm-quark tuning and charmonium spectrum checks.
Contribution
It provides new unquenched lattice QCD results for D_s meson P-wave states with detailed charm-quark tuning, advancing beyond previous quenched studies.
Findings
Initial results for D_s P-wave spectrum obtained.
Charm-quark hopping parameter tuned.
Charmonium spectrum cross-checked.
Abstract
Preliminary results are presented for the spectrum of D_s mesons using the 2+1 flavor Clover-Wilson configurations made available by the PACS-CS collaboration. For the heavy quark, the Fermilab method is employed and we report on the tuning of the charm-quark hopping parameter. As our main focus, we present initial results for the spectrum of P-wave states, where previous results have been mostly from quenched calculations. As a cross-check, some calculations of the charmonium spectrum are also carried out.
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