A measurement of lifetime differences in the neutral D-meson system
High Energy Physics - Experiment
2012-08-27 v2
Abstract
Using a high statistics sample of photoproduced charm particles from the FOCUS experiment at Fermilab, we compare the lifetimes of neutral D mesons decaying via D0 to K- pi+ and K- K+ to measure the lifetime differences between CP even and CP odd final states. These measurements bear on the phenomenology of D0 - D0bar mixing. If the D0 to K-pi+ is an equal mixture of CP even and CP odd eigenstates, we measure yCP = 0.0342 \pm 0.0139 \pm 0.0074.
Keywords
Cite
@article{arxiv.hep-ex/0004034,
title = {A measurement of lifetime differences in the neutral D-meson system},
author = {The FOCUS Collaboration},
journal= {arXiv preprint arXiv:hep-ex/0004034},
year = {2012}
}
Comments
15 pages, 5 figures