Derives CP asymmetry formulas for D to KS,L P/V decays with mixing effects, fits hadronic parameters from branching fractions via topological diagrams, predicts O(10^{-3}) effects in several modes and reduces tension in KS-KL data for omega and phi.
Phenomenology of Neutral D-meson Decays and Double-Flavor Oscillations
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abstract
Decays of neutral D-mesons are considered phenomenologically without invoking any particular models. Special attention is given to cascade decays with intermediate neutral kaons where coherent double-flavor oscillations (CDFO) become possible. We show necessity and unique possibilities of experiments on CDFO. They allow to relate with each other widths and masses of D-meson eigenstates, to separate interference effects due to $D^0 - \bar D^0$ mixing and/or Cabibbo-favored vs. doubly-suppressed transitions. Such experiments provide the only known ways to unambiguous model-independent measurements of all CP-violating parameters and of Cabibbo-doubly-suppressed amplitudes, where the New Physics may have more prominent manifestations. Similar experiments would be useful and interesting also for charged $D$-meson decays to neutral kaons.
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hep-ph 1years
2026 1verdicts
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CP asymmetries in $D\to K^0_{S,L}P$ and $D\to K^0_{S,L}V$ decays
Derives CP asymmetry formulas for D to KS,L P/V decays with mixing effects, fits hadronic parameters from branching fractions via topological diagrams, predicts O(10^{-3}) effects in several modes and reduces tension in KS-KL data for omega and phi.