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Search for CP Violation in B[superscript 0]-B̅[superscript 0] Mixing Using Partial Reconstruction of B[superscript 0]→D[superscript *-]Xℓ[superscript +]ν[subscript ℓ] and a Kaon Tag

Author(s)
Sciolla, Gabriella; Cowan, Ray F; Dujmic, Denis
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Abstract
We present results of a search for CP violation in B[superscript 0]- B̅[superscript 0] mixing with the BABAR detector. We select a sample of B[superscript 0]→D[superscript *]-Xℓ[superscript +]ν decays with a partial reconstruction method and use kaon tagging to assess the flavor of the other B meson in the event. We determine the CP violating asymmetry A[subscript CP]≡[N(B[superscript 0]B[superscript 0])-N(B̅[superscript 0]B̅[superscript 0])]/[N(B[superscript 0]B[superscript 0])+N(B̅[superscript 0]B̅[superscript 0])]=(0.06±0.17[+0.38 over -0.32])%, corresponding to Δ[subscript CP]=1-|q/p|=(0.29±0.84[+1.88 over -1.61])×10[superscript -3].
Date issued
2013-09
URI
http://hdl.handle.net/1721.1/81394
Department
Massachusetts Institute of Technology. Laboratory for Nuclear Science
Journal
Physical Review Letters
Publisher
American Physical Society
Citation
Lees, J. P., V. Poireau, V. Tisserand, E. Grauges, A. Palano, G. Eigen, B. Stugu, et al. “Search for CP Violation in B^{0}- B[over ¯]^{0} Mixing Using Partial Reconstruction of B^{0}→D^{*-}Xℓ^{+}ν_{ℓ} and a Kaon Tag.” Physical Review Letters 111, no. 10 (September 2013). © 2013 American Physical Society
Version: Final published version
ISSN
0031-9007
1079-7114

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