## Measurement of $CP$ observables in $B^{\pm} \rightarrow D K^{*\pm}$ decays using two- and four-body $D$ final states

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Original language English Aaij:2017glf 156 Journal of High Energy Physics 1711 https://doi.org/10.1007/JHEP11(2017)156 Published - 23 Nov 2017

### Abstract

Measurements of CP observables in B$^{±}$ → DK$^{*±}$ decays are presented, where D denotes a superposition of D$^{0}$ and ${\overline{D}}^0$ meson states. Decays of the D meson to K$^{−}$ π$^{+}$, K$^{−}$ K$^{+}$, π$^{−}$ π$^{+}$, K$^{−}$ π$^{+}$ π$^{−}$ π$^{+}$ and π$^{−}$ π$^{+}$ π$^{−}$ π$^{+}$ are used and the K$^{*±}$ meson is reconstructed in the K$_{S}^{0}$ π$^{±}$ final state. This analysis uses a data sample of pp collisions collected with the LHCb experiment, corresponding to integrated luminosities of 1 fb$^{−1}$, 2 fb$^{−1}$ and 1.8 fb$^{−1}$ at centre-of-mass energies $\sqrt{s}=7$ TeV, 8 TeV and 13 TeV, respectively. The sensitivity of the results to the CKM angle γ is discussed.