Physics – High Energy Physics – High Energy Physics - Lattice
Scientific paper
2002-11-07
Phys.Rev. D67 (2003) 054505
Physics
High Energy Physics
High Energy Physics - Lattice
38 pages, figures included. v2: Entry in Table IX corrected and other minor changes, version appearing in Phys. Rev. D
Scientific paper
10.1103/PhysRevD.67.054505
We demonstrate the viability of improved staggered light quarks in studies of heavy-light systems. Our method for constructing heavy-light operators exploits the close relation between naive and staggered fermions. The new approach is tested on quenched configurations using several staggered actionsn combined with nonrelativistic heavy quarks. The B_s meson kinetic mass, the hyperfine and 1P-1S splittings in B_s, and the decay constant f_{B_s} are calculated and compared to previous quenched lattice studies. An important technical detail, Bayesian curve-fitting, is discussed at length.
Davies Christine. T. H.
Lepage Peter G.
Shigemitsu Junko
Trottier Howard D.
Wingate Matthew
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