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- W2897118518 abstract "Reconstruction and identification of particles in calorimeters of modern High Energy Physics experiments is a complicated task. Solutions are usually driven by a priori knowledge about expected properties of reconstructed objects. Such an approach is also used to distinguish single photons in the electromagnetic calorimeter of the LHCb detector at the LHC from overlapping photons produced from decays of high momentum π 0. We studied an alternative solution based on first principles. This approach applies neural networks and classifier based on gradient boosting method to primary calorimeter information, that is energies collected in individual cells of the energy cluster. Mutial application of this methods allows to improve separation performance based on Monte Carlo data analysis. Receiver operating characteristic score of classifier increases from 0.81 to 0.95, that means reducing primary photons fake rate by factor of two or more." @default.
- W2897118518 created "2018-10-26" @default.
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- W2897118518 date "2018-09-01" @default.
- W2897118518 modified "2023-10-18" @default.
- W2897118518 title "Machine Learning approach to γ/π0 separation in the LHCb calorimeter" @default.
- W2897118518 cites W2109896109 @default.
- W2897118518 doi "https://doi.org/10.1088/1742-6596/1085/4/042036" @default.
- W2897118518 hasPublicationYear "2018" @default.
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