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Measurement of D-0-D-0 mixing from a time-dependent amplitude analysis of D-0 -> K+pi(-)pi(0) decays

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BABAR Collaboration (Including:

Aubert, B., Bona, M., Karyotakis, Y., Lees, J. P., Poireau, V., Prencipe, E., Prudent, X., Tisserand, V., Garra Tico, J., Grauges, E. et al.
). (2009) Measurement of D-0-D-0 mixing from a time-dependent amplitude analysis of D-0 -> K+pi(-)pi(0) decays. Physical Review Letters, Vol.103 (No.21). article no. 211801. doi:10.1103/PhysRevLett.103.211801

Research output not available from this repository, contact author.
Official URL: http://dx.doi.org/10.1103/PhysRevLett.103.211801

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Abstract

We present evidence of D-0-D-0 mixing using a time-dependent amplitude analysis of the decay D-0 -> K+pi(-)pi(0) in a data sample of 384 fb(-1) collected with the BABAR detector at the PEP-II e(+)e(-) collider at the Stanford Linear Accelerator Center. Assuming CP conservation, we measure the mixing parameters x(K pi pi)(0')=[2.61(-0.68)(+0.57)(stat)+/- 0.39(syst)]%, y(K pi pi)(0')=[-0.06(-0.64)(+0.55)(stat)+/- 0.34(syst)]%. This result is inconsistent with the no-mixing hypothesis with a significance of 3.2 standard deviations. We find no evidence of CP violation in mixing.

Item Type: Journal Article
Subjects: Q Science > QC Physics
Divisions: Faculty of Science > Physics
Journal or Publication Title: Physical Review Letters
Publisher: American Physical Society
ISSN: 0031-9007
Official Date: 20 November 2009
Dates:
DateEvent
20 November 2009Published
Volume: Vol.103
Number: No.21
Number of Pages: 8
Page Range: article no. 211801
DOI: 10.1103/PhysRevLett.103.211801
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access
Funder: DOE, NSF (USA), NSERC (Canada), CEA, CNRS-IN2P3 (France), BMBF, DFG (Germany), INFN (Italy), FOM (The Netherlands), NFR (Norway), MES (Russia), MEC (Spain), STFC (United Kingdom), Marie Curie EIF (European Union), A. P. Sloan Foundation

Data sourced from Thomson Reuters' Web of Knowledge

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