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Observation of the decay B¯0s→χc2K+K− in the ϕ mass region
(Springer, 2018)
The B¯0s→χc2K+K− decay mode is observed and its branching fraction relative to the corresponding χc1 decay mode, in a ±15 MeV/c2 window around the ϕ mass, is found to be
B(B¯0s→χc2K+K−)B(B¯0s→χc1K+K−)=(17.1±3.1±0.4±0. ...
Measurement of the CKM angle γ using B± → DK± with D → K0Sπ+π−, K0SK+K− decays
(Springer, 2018)
A binned Dalitz plot analysis of B± → DK± decays, with D → K 0Sπ+π− and D → K 0SK+K−, is used to perform a measurement of the CP-violating observables x± and y±, which are sensitive to the Cabibbo-Kobayashi-Maskawa angle ...