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Evidence for D0-D¯0 Mixing Using the CDF II Detector

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Aaltonen, T., Adelman, J., Akimoto, T., Albrow, M., González, B., Amerio, S., Amidei, D., Anastassov, A., Annovi, A., Antos, J. et al.
(2008) Evidence for D0-D¯0 Mixing Using the CDF II Detector. Physical Review Letters, Vol. 100 (No. 12). doi:10.1103/PhysRevLett.100.121802

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Official URL: http://dx.doi.org/10.1103/PhysRevLett.100.121802

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Abstract

We measure the time dependence of the ratio of decay rates for the rare decay D0→K+π- to the Cabibbo-favored decay D0→K-π+. A signal of 12.7×103 D0→K+π- decays was obtained using the Collider Detector at Fermilab II detector at the Fermilab Tevatron with an integrated luminosity of 1.5  fb-1. We measure the D0-D̅ 0 mixing parameters (RD,y′,x′2), and find that the data are inconsistent with the no-mixing hypothesis with a probability equivalent to 3.8 Gaussian standard deviations.

Item Type: Journal Article
Divisions: Faculty of Science > Physics
Journal or Publication Title: Physical Review Letters
Publisher: American Physical Society
ISSN: 0031-9007
Official Date: 2008
Dates:
DateEvent
2008Published
Volume: Vol. 100
Number: No. 12
DOI: 10.1103/PhysRevLett.100.121802
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access

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