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We have searched for CP violation in the decays D-0 -> (KSP0)-P-0 where P-0 denotes a neutral pseudoscalar meson that is either a pi(0), eta, or eta' using KEKB asymmetric- energy e(+)e(-) collision data corresponding to an integrated luminosity of 791 fb(-1) collected with the Belle detector. No evidence of significant CP violation is observed. We report the most precise CP asymmetry measurement in the decay D-0 -> K-S(0)pi(0) to date: A(CP)D(0) -> K-S(0)pi(0) = (-0.28 +/- 0.19 +/- 0.10)%. We also report the first measurements of CP asymmetries in the decays D-0 -> K-S(0) -> and D-0 -> K-S(0)eta': A(CP)(D0 -> KS0 eta) =(+0.54 +/- 0.51 +/- 0.16)% and A(CP)(D0 -> KS0 eta') = (+0.98 +/- 0.67 +/- 0.14)%, respectively.
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Tagir Aushev, Vladislav Balagura, Ji Hyun Kim, Jing Li, Remi Léandre Albert Louvot, Olivier Schneider, Mingkui Wang
Tagir Aushev, Dipanwita Dutta, Donghyun Kim, Ji Hyun Kim, Olivier Schneider, Mingkui Wang
Tagir Aushev, Ji Hyun Kim, Jing Li, Yiming Li, Zhen Liu, Remi Léandre Albert Louvot, Olivier Schneider, Xiao Wang