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Search for CP violation in D^0 -> pi^0 pi^0 decays

Abstract:

We search for CP violation in neutral charm meson decays using a data sample with an integrated luminosity of 966 fb^-1 collected with the Belle detector at the KEKB e+e- asymmetric-energy collider. The asymmetry obtained in the rate of D^0 and D^0-bar decays to the pi^0 pi^0 final state, [-0.03+-0.64(stat)+-0.10(syst)]%, is consistent with no CP violation. This constitutes an order of magnitude improvement over the existing result. We also present an updated measurement of the CP asymmetry i...

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Publication status:
Published

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Journal:
Phys. Rev. Lett.
Volume:
112
Issue:
3-4
Pages:
211601
Publication date:
2014-04-04
DOI:
ISSN:
0370-2693
URN:
uuid:aa39d79f-ca67-4c59-b59f-0fdf6ccc936a
Source identifiers:
15595
Local pid:
pubs:15595
Language:
English
Keywords:

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