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Deep neural networks to classify jets in proton-proton collisions

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Ayush-Parhi/Jet-Tagging

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Jet Tagging

Analysing the Top Quark Tagging dataset, which is a famous benchmark that’s used to compare the performance of jet classification algorithms. The dataset consists of around 2 million Monte Carlo simulated events in proton-proton collisions that have been clustered into jets.

Framed as a supervised machine learning task, the goal is to train a model that can classify each jet as either a top-quark signal or quark-gluon background.

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Results

Model Dataset ROC-AUC Score Background Rejection Vs Signal Efficieny at 0.3
FCNN Top-Tagging 0.9079 42.517
FCNN (N-Subjettiness) Top-Tagging 0.9672 374.609
CNN Top-Tagging 0.9725 458.895

Plots

FCNN

  • ROC-AUC (Baseline Model)

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  • Background Rejection Vs Signal Efficiency (baseline and N-Subjettiness)

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CNN

  • ROC-AUC

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  • Background Rejection Vs Signal Efficiency

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Deep neural networks to classify jets in proton-proton collisions

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