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LHCb combination of the CKM angle gamma

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The CKM angle γ is the least well known constraint of the B0 unitarity triangle and is a vital measurement for understanding CP violation in the Standard Model. Any inconsistency between direct and indirect determination of γ would be a clear sign of new physics. It can be accessed by, theoretically clean, tree level decays of B+ -> D0K and B → D0bar K+, where the D0 and D0bar decay to the same final state. An updated combination of several LHCb measurements is presented for which γ is found to be (72.2 + 6.7 -7.2) degrees. This is the most precise single-experiment measurement of γ to date.

This talk is part of the Cavendish HEP Seminars series.

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