Abstract
In this Letter, we intend to study the problem of CP violation in D meson by D→VV decay mode in which the T violating triple-product correlation is examined. That would undoubtedly be another excellent probe of New Physics beyond Standard Model. For the neutral D, we focus on direct CP violation without considering D0–D¯0 oscillation. Experimentally, by a full angular analysis one may obtain such CP violating signals, and particularly it is worth mentioning that the upcoming large D data samples at BES-III in Beijing will provide a great opportunity to perform it.
Highlights
In this paper, we intend to study the problem of CP violation in D meson by D → V V decay mode in which the T violating triple-product correlation is examined
The topic of CP violation in the D-meson sector has been the subject of extensive studies involving both charged and neutral D meson decays these years [1,2,3,4,5,6,7,8,9,10,11,12]
One can probe the CP violation in D meson by one D decay without considering the quantum correlation, which is the motivation of this paper
Summary
We intend to study the problem of CP violation in D meson by D → V V decay mode in which the T violating triple-product correlation is examined. In a recent reference [13], they exploited the angular and quantum correlation in the D0D 0 pairs produced through the decay of the ψ(3770) resonance at BES-III to investigate CP violation. They build CP violating observables in e+e− → ψ(3770) → D0D 0 → (V1V2)(V3V4) (V denotes vector meson) to isolate specific New Physics effects in the charm sector [13].
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