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Search for D-0-(D-0)over bar mixing using doubly flavor tagged semileptonic decay modes
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. (2007) Search for D-0-(D-0)over bar mixing using doubly flavor tagged semileptonic decay modes. Physical Review D, Vol.76 (No.1). Article: 014018. ISSN 1550-7998 Full text not available from this repository.
Official URL: http://dx.doi.org/10.1103/PhysRevD.76.014018
Abstract
We have searched for D-0-(D) over bar (0) mixing in D*(+)->pi D-+(0) decays with D-0 -> K-(*())e nu in a sample of e(+)e(-)-> c (c) over bar events produced near 10.58 GeV. The charge of the slow pion from charged D* decay tags the charm flavor at production, and it is required to be consistent with the flavor of a fully reconstructed second charm decay in the same event. We observe 3 mixed candidates compared to 2.85 background events expected from simulation. We ascribe a 50% systematic uncertainty to this expected background rate. We find a central value for the mixing rate of 0.4x10(-4). Using a frequentist method, we set corresponding 68% and 90% confidence intervals at (-5.6,7.4)x10(-4) and (-13,12)x10(-4), respectively.
| Item Type: | Journal Article |
|---|---|
| Subjects: | Q Science > QB Astronomy Q Science > QC Physics |
| Divisions: | Faculty of Science > Physics |
| Journal or Publication Title: | Physical Review D |
| Publisher: | American Physical Society |
| ISSN: | 1550-7998 |
| Date: | July 2007 |
| Volume: | Vol.76 |
| Number: | No.1 |
| Number of Pages: | 13 |
| Page Range: | Article: 014018 |
| Identification Number: | 10.1103/PhysRevD.76.014018 |
| Status: | Peer Reviewed |
| Publication Status: | Published |
| Access rights to Published version: | Restricted or Subscription Access |
| URI: | http://wrap.warwick.ac.uk/id/eprint/31500 |
Data sourced from Thomson Reuters' Web of Knowledge
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