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Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/22034
Title: Measurement of D-0-D-0 Mixing from a Time-Dependent Amplitude Analysis of D-0 -> K+pi(-)pi(0) Decays
Authors: Babar Collaboration; Azzolini, Virginia; López-March, Neus; Martínez-Vidal, Fernando; Milanés, Diego A.; Oyanguren, Arantza; Aubert, B.
Issue Date: 20-Nov-2009
Publisher: American Physical Society
Citation: Physical Review Letters 103 (21): 211801 (2009)
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.
Publisher version (URL): http://dx.doi.org/ 10.1103/PhysRevLett.103.211801
URI: http://hdl.handle.net/10261/22034
DOI: 10.1103/PhysRevLett.103.211801
ISSN: 0031-9007
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