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arXiv · hep-ex/0108044

Electron Identification in Belle

K. Hanagaki·H. Kakuno·H. Ikeda·T. Iijima·T. Tsukamoto
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Abstract

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 $π^{\pm}$ 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.

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K. Hanagaki, H. Kakuno, H. Ikeda, T. Iijima, T. Tsukamoto. 2001-08-28. Electron Identification in Belle. https://doi.org/10.1016/s0168-9002(01)02113-1

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