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Evidence for D0-D(0) mixing using the CDF II detector.

Abstract:
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 D0-D[over ]{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.

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Journal:
Physical Review Letters More from this journal
Volume:
100
Issue:
12
Pages:
121802
Publication date:
2008-03-01
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
Language:
English
Keywords:
Pubs id:
pubs:117330
UUID:
uuid:8fb42345-c093-4d05-9b8c-ccf804d925bb
Local pid:
pubs:117330
Source identifiers:
117330
Deposit date:
2012-12-19

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