Algorithms for Selection of J/ψ → e +e −, Decays Registered in the CBM Experiment

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Abstract


A procedure for selection of J/ψ → e+e− decays registered by the CBM set-up is presented. The key problem is a fast and reliable electron/positron identification using the energy losses of charged particles in the Transition Radiation Detector. An analysis of the application features and a comparison of power of two methods to solve this task are given: an artificial neuron network (ANN) and a ωkn goodness-of-fit criterion. The choice of the approach based on the ωkn goodness-of-fit criterion is explained.

About the authors

O Yu Derenovskaya

Joint Institute for Nuclear Research

Email: odenisova@jinr.ru
Laboratory of Information Technologies

V V Ivanov

Joint Institute for Nuclear Research

Email: ivanov@jinr.ru
Laboratory of Information Technologies

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Copyright (c) 2014 Дереновская О.Ю., Иванов В.В.

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