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First observations of the rare decays B + → K + π + π − μ + μ − and B +→ ϕK + μ + μ −
First observations of the rare decays B + → K + π + π − μ + μ − and B +→ ϕK +μ+μ− are presented using data corresponding to an integrated luminosity of 3.0 fb−1, collected by the LHCb experiment at centre-of-mass energies ...
Measurement of CP asymmetry in B0s → D ∓s K± decays
We report on measurements of the time-dependent CP violating observables in B 0s → D ∓s K ± decays using a dataset corresponding to 1.0 fb−1 of pp collisions recorded with the LHCb detector. We find the CP violating ...
Measurement of the CKM angle γ using B ± → DK ± with D → K0S π + π −, K0S K + K − decays
A binned Dalitz plot analysis of B± → DK± decays, with D → K0S + − and D → K0S K+K−, is performed to measure the CP-violating observables x± and y±, which are sensitive to the Cabibbo-Kobayashi-Maskawa angle . The ...
Measurement of the χ b (3P) mass and of the relative rate of χ b1(1P) and χ b2(1P) production
The production of b mesons in proton-proton collisions is studied using a data sample collected by the LHCb detector, at centre-of-mass energies of p s = 7 and 8TeV and corresponding to an integrated luminosity of 3.0 ...