Search for D0 - D0_bar Mixing in Semileptonic Decay Modes
E. M. Aitala, et al, E791 Collaboration
TL;DR
This paper reports a search for D0 - D0_bar mixing using semileptonic decay modes in Fermilab's E791 experiment, focusing on wrong-sign decays and their mixing time dependence.
Contribution
It introduces a novel method to search for D0 - D0_bar mixing via semileptonic decays with D* tagging in hadroproduction data.
Findings
No evidence of mixing was observed.
The analysis sets new limits on the mixing parameters.
The method demonstrates sensitivity to mixing in semileptonic channels.
Abstract
We report the result of a search for D0 - D0_bar mixing in the data from hadroproduction experiment E791 at Fermilab. We use the D* tag and semileptonic decay vertices of D0 to look for wrong-sign decays with mixing time dependence.
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