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A Search for CP Violation and a Measurement of the Relative Branching Fraction in D+ to K- K+ pi+ Decays
[report]
2005
unpublished
Preserved Fulltext
We report on a search for the CP asymmetry in the singly Cabibbo-suppressed decays D ! K ÿ K and in the resonant decays D ! and D ! K 0 K based on a data sample of 79:9 fb ÿ1 recorded by the BABAR detector. We use the Cabibbo-favored D s ! K ÿ K branching fraction as normalization in the measurements to reduce systematic uncertainties. The CP asymmetries obtained are A CP K ÿ K 1:4 1:0stat 0:8syst 10 ÿ2 , A CP 0:2 1:5stat 0:6syst 10 ÿ2 , and A CP K 0 K 0:9 1:7stat 0:7syst 10 ÿ2 . The relative
doi:10.2172/839823
fatcat:tdjxavpebna4lmi55edjxdmk74