Measurements of the CKM angle γ in tree-dominated decays at LHCb
STFC Rutherford Appleton Laboratort, Chilton, Didcot, OX11 0QX
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We review the first measurements of the CKM angle γ from LHCb. These measurements have been performed with b-hadron decays dominated by b → u and b → c tree-level amplitudes, from which γ can be determined without theoretical uncertainties. Precision is achieved by averaging results from B− → Dh− (h = K,π) decays with D → h+h−, D → K+π−, and D → K+π−π+π−, and D → Ks0h+h−. Prospects for these and future measurements of γ using neutral b-hadron decays are briefly discussed.
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