Measurement of the CKM angle γ from a combination of LHCb results
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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 +, B 0 → DK ∗0, B 0 → DK +π− and B + → DK +π+π− tree-level decays. In addition, results from a time-dependent analysis of B 0s → D ∓s K ± 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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Aaij, R., Adeva, B., Adinolfi, M. et al. Measurement of the CKM angle γ from a combination of LHCb results. J. High Energ. Phys. 2016, 87 (2016). https://doi.org/10.1007/JHEP12(2016)087
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https://doi.org/10.1007/JHEP12(2016)087Sponsors
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© CERN, for the bene t of the LHCb Collaboration. Article funded by SCOAP3. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0), which permits use, duplication, adaptation, distribution, and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.