Measurement of CP observables in B ± → DK ± and B ± → Dπ ± with D → KS0K± π∓ decays

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doi:10.1007/JHEP06(2020)058

Measurements of CP observables in B-+/- -> DK +/- and B-+/- -> D pi (+/-) decays are presented, where D represents a superposition of D-0 and D0 states. The D meson is reconstructed in the three-body final states KS0K +/- pi -/+ and KS0K -/+ pi +/-. The analysis uses samples of B mesons produced in proton-proton collisions, corresponding to an integrated luminosity of 1.0, 2.0, and 6.0 fb(-1) collected with the LHCb detector at centre-of-mass energies of s = 7, 8, and 13 TeV, respectively. These measurements are the most precise to date, and provide important input for the determination of the CKM angle gamma.

Aaij, R., Abellan Beteta, C., Ackernley, T., Adeva, B., Adinolfi, M., Afsharnia, H., et al. (2020). Measurement of CP observables in B ± → DK ± and B ± → Dπ ± with D → KS0K± π∓ decays. JOURNAL OF HIGH ENERGY PHYSICS(6) [10.1007/JHEP06(2020)058].