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First observation of the decay D0→K−π+μ+μ− in the ρ0-ω region of the dimuon mass spectrum

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Academic year: 2021

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Table 1: Summary of the results of the fit described in Sect. 4. The yields measured in the D 0 → K − π + µ + µ − sample and the correlations between them, the yields measured in the normalisation sample, the common width fitted to the D 0 → K − π + µ + µ
Table 2: Measured efficiencies and yields for the decay D 0 → K − π + µ + µ − in the dimuon mass range 675–875 MeV /c 2 , and for the decay D 0 → K − π + π + π −
Figure 1: Mass distributions of (a) D 0 → K − π + π + π − and (b) D 0 → K − π + µ + µ − candidates.
Table 3: Systematic uncertainties on B(D 0 → K − π + µ + µ − ).
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