Institute: MPI für Physik     Collection: YB 2016     Display Documents

ID: 715991.0, MPI für Physik / YB 2016
Observation of $D^0-\\bar{D}^0$ Mixing in $e^+e^-$ Collisions
Authors:
Date of Publication (YYYY-MM-DD):2014
Title of Journal:Physical Review Letters
Journal Abbrev.:Phys.Rev.Lett.
Issue / Number:112
Start Page:111801
Audience:Not Specified
Intended Educational Use:No
Abstract / Description:We observe $D^0-\\bar{D}^0$ mixing in the decay $D^0\\rightarrow K^+\\pi^-$ using a data sample of integrated luminosity 976 fb$^{-1}$ collected with the Belle detector at the KEKB $e^+e^-$ asymmetric-energy collider. We measure the mixing parameters ${x'}^2 = (0.09\\pm0.22)\\times 10^{-3}$ and $y' = (4.6\\pm3.4)\\times 10^{-3}$ and the ratio of doubly Cabibbo-suppressed to Cabibbo-favored decay rates $R_D = (3.53\\pm0.13)\\times 10^{-3}$, where the uncertainties are statistical and systematic combined. Our measurement excludes the no-mixing hypothesis at the 5.1 standard deviation level.
Classification / Thesaurus:Belle II
Comment of the Author/Creator:6 pages, 4 figures
External Publication Status:published
Document Type:Article
Communicated by:MPI für Physik
Affiliations:
Identifiers:
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