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Measurement of the CKM angle γ from a combination of LHCb results

Abstract : A combination of measurements sensitive to the CKM angle γ from LHCb is performed. The inputs are from analyses of time-integrated B+→DK+, B0d→DK∗0, Bd→DK+π− and B+→DK+π+π− tree-level decays. In addition, results from a time-dependent analysis of B0s→D∓sK± decays are included. The combination yields γ=(72.2+6.8−7.3)∘, where the uncertainty includes systematic effects. The 95.5% confidence level interval is determined to be γ∈[55.9,85.2]∘. A second combination is investigated, also including measurements from B+→Dπ+ and B+→Dπ+π−π+ decays, which yields compatible results.
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Contributor : Claudine Bombar Connect in order to contact the contributor
Submitted on : Thursday, November 10, 2016 - 10:41:22 AM
Last modification on : Thursday, December 16, 2021 - 2:11:26 PM

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R. Aaij, L. Beaucourt, M. Chefdeville, D. Decamp, N. Déléage, et al.. Measurement of the CKM angle γ from a combination of LHCb results. Journal of High Energy Physics, Springer Verlag (Germany), 2016, 12, pp.087. ⟨10.1007/JHEP12(2016)087⟩. ⟨in2p3-01394924⟩



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