2010

Tuning Fermilab Heavy Quarks in 2+1 Flavor Lattice QCD with Application to Hyperfine Splittings

Bernard, C., DeTar, C., Di Pierro, M. et al.

Understand

We report the non-perturbative tuning of parameters--- kappa_c, kappa_b, and kappa_crit ---that determine the heavy-quark mass in the Fermilab action.

This requires the computation of the masses of Ds^(*) and Bs^(*) mesons comprised of a Fermilab heavy quark and a staggered light quark.
Additionally, we report the hyperfine splittings for Ds and Bs mesons as a cross-check of our simulation and analysis methods.
We find a splitting of 145 +/- 15 MeV for the Ds system and 40 +/- 9 MeV for the Bs system.

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For a pedagogical introduction see D. S. Sivia, Data Analysis: A Bayesian Tutorial
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