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Measurement of CP observables for the decays B±→DCP0K±

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BABAR Collaboration (Including:

Aubert, B., Barate, R., Boutigny, D., Couderc, F., Karyotakis, Y., Lees, J., Poireau, V., Tisserand, V., Zghiche, A., Grauges, E. et al.
). (2006) Measurement of CP observables for the decays B±→DCP0K±. Physical Review D (Particles, Fields, Gravitation and Cosmology), Vol.73 (No.5). Article: 051105. ISSN 1550-7998

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Abstract

We present a study of the decay B-→D(CP)0K- and its charge conjugate, where D(CP)0 is reconstructed in CP-even, CP-odd, and non-CP flavor eigenstates, based on a sample of 232×106 Υ(4S)→BB̅ decays collected with the BABAR detector at the PEP-II e+e- storage ring. We measure the partial-rate charge asymmetries ACP± and the ratios RCP± of the B→D0K decay branching fractions as measured in CP± and non-CP D0 decays: ACP+=0.35±0.13(stat)±0.04(syst), ACP-=-0.06±0.13(stat)±0.04(syst), RCP+=0.90±0.12(stat)±0.04(syst), and RCP-=0.86±0.10(stat)±0.05(syst).

Item Type: Journal Article
Subjects: Q Science > QC Physics
Divisions: Faculty of Science > Physics
Journal or Publication Title: Physical Review D (Particles, Fields, Gravitation and Cosmology)
Publisher: American Physical Society
ISSN: 1550-7998
Date: March 2006
Volume: Vol.73
Number: No.5
Number of Pages: 8
Page Range: Article: 051105
Identification Number: 10.1103/PhysRevD.73.051105
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access
URI: http://wrap.warwick.ac.uk/id/eprint/45839

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