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Evidence for D-0-(D)over-bar(0) mixing using the CDF II detector

Aaltonen, T; Adelman, J; Akimoto, T; Albrow, MG; Gonzalez, BA; Amerio, S; Amidei, D; ... CDF Collaboration, .; + view all (2008) Evidence for D-0-(D)over-bar(0) mixing using the CDF II detector. Physical Review Letters , 100 (12) , Article 121802. 10.1103/PhysRevLett.100.121802. Green open access


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We measure the time dependence of the ratio of decay rates for the rare decay D-0 -> K+pi(-) to the Cabibbo-favored decay D-0 -> K-pi(+). A signal of 12.7x10(3) D-0 -> K+pi(-) 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 D-0-(D) over bar (0) mixing parameters (R-D,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.

Type: Article
Title: Evidence for D-0-(D)over-bar(0) mixing using the CDF II detector
Open access status: An open access version is available from UCL Discovery
DOI: 10.1103/PhysRevLett.100.121802
Publisher version: http://dx.doi.org/10.1103/PhysRevLett.100.121802
Language: English
Additional information: © 2008 The American Physical Society
UCL classification: UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy
URI: https://discovery.ucl.ac.uk/id/eprint/151909
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