Muon Identification using Neural Networks With the Muon Telescope Detector at STAR

The installation of the Muon Telescope Detector (MTD) at STAR allows a measurement of the dimuon (μ+μ−) production in heavy-ion collisions over a large invariant mass range for the first time. Data has been collected with the MTD from Au+Au collisions at sNN=200GeV and from p+p collisions at s=200Ge...

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Bibliographic Details
Published in:Nuclear physics. A 2019-02, Vol.982, p.192-194
Main Author: Brandenburg, James D.
Format: Article
Language:English
Subjects:
Dimuon
Muon
Muon Telescope Detector
Neural Network
NUCLEAR PHYSICS AND RADIATION PHYSICS
STAR
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Summary:The installation of the Muon Telescope Detector (MTD) at STAR allows a measurement of the dimuon (μ+μ−) production in heavy-ion collisions over a large invariant mass range for the first time. Data has been collected with the MTD from Au+Au collisions at sNN=200GeV and from p+p collisions at s=200GeV. These two datasets allow for new opportunities to measure the dimuon invariant mass spectra at STAR. Before any dimuon measurements can be made, muons must be identified. This contribution presents muon identification employing deep neural networks (DNN) and compares it with other multi-variate techniques. Applications of the DNN technique for data-driven purity measurements are discussed.
ISSN:0375-9474
DOI:10.1016/j.nuclphysa.2018.10.036