B_d mixing and prospects for B_s mixing at D0

TL;DR

This paper reports on measurements of B_d oscillations and discusses prospects for B_s mixing analysis at D0, aiming to constrain CKM matrix elements through oscillation frequency studies.

Contribution

It presents a preliminary measurement of Delta m_d and describes the development and optimization of flavor tagging algorithms for B_s meson analysis.

Findings

Preliminary Delta m_d measurement with ~250 pb^-1 data

Development of flavor tagging algorithms for B_s mesons

Strategies for studying B_s mixing at D0

Abstract

Measurement of the B_s oscillation frequency via B_s mixing analyses provides a powerful constraint on the CKM matrix elements. The study of B_d oscillations is an important step towards B_s mixing and a preliminary measurement of Delta m_d 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 B_s mesons that have been reconstructed in different semileptonic decay modes.