Adversarially Learned Anomaly Detection on CMS open data: re-discovering the top quark
- Journal Article
Rights / licenseCreative Commons Attribution 4.0 International
We apply an Adversarially Learned Anomaly Detection (ALAD) algorithm to the problem of detecting new physics processes in proton–proton collisions at the Large Hadron Collider. Anomaly detection based on ALAD matches performances reached by Variational Autoencoders, with a substantial improvement in some cases. Training the ALAD algorithm on 4.4 fb- 1 of 8 TeV CMS Open Data, we show how a data-driven anomaly detection and characterization would work in real life, re-discovering the top quark by identifying the main features of the tt¯ experimental signature at the LHC. Show more
Journal / seriesThe European Physical Journal Plus
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