HQET at order $1/m$: II. Spectroscopy in the quenched approximation

Abstract

Using Heavy Quark Effective Theory with non-perturbatively determined parameters in a quenched lattice calculation, we evaluate the splittings between the ground state and the first two radially excited states of the $B_s$ system at static order. We also determine the splitting between first excited and ground state, and between the $B_s^{\ast }$ and $B_s$ ground states to order $1/m_b$. The Generalized Eigenvalue Problem and the use of all-to-all propagators are important ingredients of our approach.

(1+18) pages, 3 figures (4 pdf files); pdflatex; v2: corrections to table 1, results unaffected

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Cited by in corpus (23)

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• Precision lattice QCD computation of the $B^{\ast }B\pi$ coupling
• Decay constants of B-mesons from non-perturbative HQET with two light dynamical quarks
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• Parameters of Heavy Quark Effective Theory from Nf=2 lattice QCD
• The continuum limit of the static-light meson spectrum
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• Hints and challenges in heavy flavor physics
• Spatial distributions in static heavy-light mesons: a comparison of quark models with lattice QCD
• On the B*' --> B transition
• B-meson spectroscopy in HQET at order 1/m
• B-physics from non-perturbatively renormalized HQET in two-flavour lattice QCD
• A multigrid accelerated eigensolver for the Hermitian Wilson-Dirac operator in lattice QCD
• Matching of heavy-light flavour currents between HQET at order 1/m and QCD: I. Strategy and tree-level study
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