Bd mixing and prospects for Bs mixing at D0
Abstract
Measurement of the Bs oscillation frequency via Bs mixing analyses provides a powerful constraint on the CKM matrix elements. The study of Bd oscillations is an important step towards Bs mixing and a preliminary measurement of Delta md has been made with ~250 pb-1 of data collected with the upgraded Run II D0 detector. Different flavor tagging algorithms have been developed and are being optimized for use on a large set of Bs mesons that have been reconstructed in different semileptonic decay modes.
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