Publication

Search for CP Violation in D-+/- Meson Decays to phi pi(+/-)

Olivier Schneider, Aurelio Bay, Remi Léandre Albert Louvot
2012
Journal Articles

Abstract

We search for CP violation in Cabibbo-suppressed charged D meson decays by measuring the difference between the CP-violating asymmetries for the Cabibbo-suppressed decays D-+/- -> K+K-pi(+/-) and the Cabibbo-favored decays D1/s -> K+K-pi(+/-) in the K+K- mass region of the phi resonance. Using 955 fb(-1) of data collected with the Belle detector, we obtain A(CP)(D+->phi pi+) (+0.51 +/- 0.28 +/- 0.05)%. The measurement improves the sensitivity of previous searches by more than a factor of 5. We find no evidence for direct CP violation.

Official source

https://infoscience.epfl.ch/entities/publication/d0fa4041-7af2-4029-8f69-7497389a5b47

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Search for CP Violation in D-+/- Meson Decays to phi pi(+/-)

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