Search for CP violation in the decays D(0)âK(S)(0)P(0).
Phys Rev Lett
; 106(21): 211801, 2011 May 27.
Article
em En
| MEDLINE
| ID: mdl-21699287
ABSTRACT
We have searched for CP violation in the decays D(0)âK(S)(0)P(0) where P(0) denotes a neutral pseudoscalar meson that is either a π(0), η, or η' 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)âK(S)(0)π(0) to date A(CP)(D(0)âK(S)(0)π(0))=(-0.28±0.19±0.10)%. We also report the first measurements of CP asymmetries in the decays D(0)âK(S)(0)η and D(0)âK(S)(0)η' A(CP)(D(0)âK(S)(0)η)=(+0.54±0.51±0.16)% and A(CP)(D(0)âK(S)(0)η')=(+0.98±0.67±0.14)%, respectively.
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Base de dados:
MEDLINE
Assunto principal:
Fenômenos Físicos
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Modelos Teóricos
Idioma:
En
Ano de publicação:
2011
Tipo de documento:
Article