| Abstract: | A combination of measurements sensitive to the CKM angle $gamma$ from LHCb
is performed. The inputs are from analyses of time-integrated $B^{+}
ightarrow
DK^+$, $B_{d}^{0}
ightarrow D K^{*0}$, $B_{d}
ightarrow D K^+ pi^-$ and
$B^{+}
ightarrow D K^+pi^+pi^-$ tree-level decays. In addition, results
from a time-dependent analysis of $B_{s}^{0}
ightarrow D_{s}^{mp}K^{pm}$
decays are included. The combination yields $gamma =
(72.2^{+6.8}_{-7.3})^circ$, where the uncertainty includes systematic effects.
The 95.5% confidence level interval is determined to be $gamma in
[55.9,85.2]^circ$. A second combination is investigated, also including
measurements from $B^{+}
ightarrow D pi^+$ and $B^{+}
ightarrow D
pi^+pi^-pi^+$ decays, which yields compatible results. |
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