B0q-B0q mixing and matching with fermilab heavy quarks

R. Todd Evans, Elvira Gámiz, Aida X. El-Khadra, Andreas S. Kronfeld

Research output: Contribution to journalConference articlepeer-review


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 ratio x , based on calculations using the MILC Collaboration's ensembles of lattice gauge fields.

Original languageEnglish (US)
JournalProceedings of Science
StatePublished - 2009
Event27th International Symposium on Lattice Field Theory, LAT 2009 - Beijing, China
Duration: Jul 26 2009Jul 31 2009

ASJC Scopus subject areas

  • General


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