Long-distance rescattering generates O(10^{-3}) direct CP asymmetries in D→πa0(980) decays.
As a result, BT (D0 → π +a− 0 ) is reduced to a value consistent with the experimental data
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$CP$ violation in singly Cabibbo suppressed $D\to \pi a_0(980)$ decays
Long-distance rescattering generates O(10^{-3}) direct CP asymmetries in D→πa0(980) decays.