The time-dependent $CP$ asymmetry in $B^0\to K_{\mathrm{res}}\gamma \to {\pi }^{+}{\pi }^{-}{K}_S^0\gamma$ decays

Simon Akar, Eli Ben-Haim, Jeremy Hebinger +2

The time-dependent $CP$ asymmetry in $B^0\to K_{\mathrm{res}}\gamma \to {\pi }^{+}{\pi }^{-}{K}_S^0\gamma$ is sensitive to the photon polarisation in the quark level process $b\to s\gamma$.…