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Measurement of CP observables in B ± → DK *± decays using two- and four-body D final states

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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 √{s}=7 TeV, 8 TeV and 13 TeV, respectively. The sensitivity of the results to the CKM angle γ is discussed.

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Journal of High Energy Physics, 2017, vol. 2017, num. 156, p. 1-27

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Articles publicats en revistes (Física Quàntica i Astrofísica)

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Large Hadron Collider (France and Switzerland)

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Measurement of CP observables in B ± → DK *± decays using two- and four-body D final states