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 Bs system at static order. We also determine the splitting between first excited and ground state, and between the B *s and Bs 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.
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ALPHA Collaboration., Blossier, B., Della Morte, M. et al. HQET at order 1/m: II. Spectroscopy in the quenched approximation. J. High Energ. Phys. 2010, 74 (2010). https://doi.org/10.1007/JHEP05(2010)074
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DOI: https://doi.org/10.1007/JHEP05(2010)074