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Evidence for D0−D0 Mixing Using the CDF II Detector

CollaborationWith : Clark, Allan Geoffrey / Hamilton, Andrew / Lefevre, Régis / Sfyrla, Anna / Shreyber, Irina / Vallecorsa, Sofia / Wu, Xin
Published in Physical Review. D. 2008, vol. 100, no. 12, 121802
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−D0 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.
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CDF COLLABORATION. Evidence for D0−D0 Mixing Using the CDF II Detector. In: Physical Review. D, 2008, vol. 100, n° 12, p. 121802. doi: 10.1103/PhysRevLett.100.121802 https://archive-ouverte.unige.ch/unige:38508

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Deposited on : 2014-07-07

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