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Electron Identification in Belle
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Electron Identification in Belle
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We report on electron identification methods and their performance in the Belle experiment at the KEK-B asymmetric B-Factory $e^{+} e^{-}$ storage ring. Electrons are selected using a likelihood approach that takes information from the electromagnetic calorimeter, the central drift chamber, and the silica aerogel Cherenkov counters as input. We achieve an electron identification efficiency of $(92.4 \pm 0.4)%$ with a $\pi^{\pm}$ fake rate of $(0.25 \pm 0.02)%$ for the momentum range between 1.0 GeV/$c$ and 3.0 GeV/$c$ in laboratory frame.
Forward citations
Cited by 1 Pith paper
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First evidence of $X(3872)\to\pi^0\chi_{c0}(1P)$ and search for $X(3915)\to\pi^0\chi_{c1}(1P)$
First evidence reported for X(3872)→π⁰χ_c0 decay at 3.4σ, with branching fraction ratio 2.3 relative to π⁺π⁻J/ψ, upper limits on other modes, and no signal for X(3915)→π⁰χ_c1.
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