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Paper detail

B-Bbar Mixing and Matching with Fermilab Heavy Quarks

We discuss the matching procedure for heavy-light 4-quark operators using the Fermilab method for heavy quarks and staggered fermions for light quarks. These ingredients enable us to construct the continuum-limit operator needed to determine the oscillation frequency of neutral B mesons. The matching is then carried out at the one-loop level. We also present an updated preliminary result for the SU(3)-breaking ratio ξ, based on calculations using the MILC Collaboration's ensembles of lattice gauge fields.

preprint2009arXivOpen access
Richard Todd EvansElvira GamizAida El-KhadraAndreas Kronfeld
hep-phhep-lat
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Richard Todd EvansElvira GamizAida El-KhadraAndreas Kronfeld

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