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The LHC Olympics 2020 a community challenge for anomaly detection in high energy physics

A new paradigm for data-driven, model-agnostic new physics searches at colliders is emerging, and aims to leverage recent breakthroughs in anomaly detection and machine learning. In order to develop and benchmark new anomaly detection methods within this framework, it is essential to have standard d...

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Hauptverfasser: Kasieczka, Gregor (VerfasserIn) , Nachman, Benjamin (VerfasserIn) , Shih, David (VerfasserIn) , Amram, Oz (VerfasserIn) , Andreassen, Anders (VerfasserIn) , Benkendorfer, Kees (VerfasserIn) , Bortolato, Blaz (VerfasserIn) , Brooijmans, Gustaaf (VerfasserIn) , Canelli, Florencia (VerfasserIn) , Collins, Jack H. (VerfasserIn) , Dai, Biwei (VerfasserIn) , Freitas, Felipe F. De (VerfasserIn) , Dillon, Barry M. (VerfasserIn) , Dinu, Ioan-Mihail (VerfasserIn) , Dong, Zhongtian (VerfasserIn) , Donini, Julien (VerfasserIn) , Duarte, Javier (VerfasserIn) , Faroughy, D. A. (VerfasserIn) , Gonski, Julia (VerfasserIn) , Harris, Philip (VerfasserIn) , Kahn, Alan (VerfasserIn) , Kamenik, Jernej F. (VerfasserIn) , Khosa, Charanjit K. (VerfasserIn) , Komiske, Patrick (VerfasserIn) , Pottier, Luc Le (VerfasserIn) , Martín-Ramiro, Pablo (VerfasserIn) , Matevc, Andrej (VerfasserIn) , Metodiev, Eric (VerfasserIn) , Mikuni, Vinicius (VerfasserIn) , Murphy, Christopher W. (VerfasserIn) , Ochoa, Inês (VerfasserIn) , Park, Sang Eon (VerfasserIn) , Pierini, Maurizio (VerfasserIn) , Rankin, Dylan (VerfasserIn) , Sanz, Veronica (VerfasserIn) , Sarda, Nilai (VerfasserIn) , Seljak, Urŏ (VerfasserIn) , Smolkovic, Aleks (VerfasserIn) , Stein, George (VerfasserIn) , Suarez, Cristina Mantilla (VerfasserIn) , Szewc, Manuel (VerfasserIn) , Thaler, Jesse (VerfasserIn) , Tsan, Steven (VerfasserIn) , Udrescu, Silviu-Marian (VerfasserIn) , Vaslin, Louis (VerfasserIn) , Vlimant, Jean-Roch (VerfasserIn) , Williams, Daniel (VerfasserIn) , Yunus, Mikaeel (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: 7 December 2021
In: Reports on progress in physics
Year: 2021, Jahrgang: 84, Heft: 12, Pages: ?
ISSN:1361-6633
DOI:10.1088/1361-6633/ac36b9
Online-Zugang:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1088/1361-6633/ac36b9
Volltext
Verfasserangaben:Gregor Kasieczka, Benjamin Nachman, David Shih, Oz Amram, Anders Andreassen, Kees Benkendorfer, Blaz Bortolato, Gustaaf Brooijmans, Florencia Canelli, Jack H. Collins, Biwei Dai, Felipe F. De Freitas, Barry M. Dillon, Ioan-Mihail Dinu, Zhongtian Dong, Julien Donini, Javier Duarte, D.A. Faroughy, Julia Gonski, Philip Harris, Alan Kahn, Jernej F. Kamenik, Charanjit K. Khosa, Patrick Komiske, Luc Le Pottier, Pablo Martín-Ramiro, Andrej Matevc, Eric Metodiev, Vinicius Mikuni, Christopher W. Murphy, Inês Ochoa, Sang Eon Park, Maurizio Pierini, Dylan Rankin, Veronica Sanz, Nilai Sarda, Urŏ Seljak, Aleks Smolkovic, George Stein, Cristina Mantilla Suarez, Manuel Szewc, Jesse Thaler, Steven Tsan, Silviu-Marian Udrescu, Louis Vaslin, Jean-Roch Vlimant, Daniel Williams, Mikaeel Yunus
Beschreibung
Zusammenfassung:A new paradigm for data-driven, model-agnostic new physics searches at colliders is emerging, and aims to leverage recent breakthroughs in anomaly detection and machine learning. In order to develop and benchmark new anomaly detection methods within this framework, it is essential to have standard datasets. To this end, we have created the LHC Olympics 2020, a community challenge accompanied by a set of simulated collider events. Participants in these Olympics have developed their methods using an R&D dataset and then tested them on black boxes: datasets with an unknown anomaly (or not). Methods made use of modern machine learning tools and were based on unsupervised learning (autoencoders, generative adversarial networks, normalizing flows), weakly supervised learning, and semi-supervised learning. This paper will review the LHC Olympics 2020 challenge, including an overview of the competition, a description of methods deployed in the competition, lessons learned from the experience, and implications for data analyses with future datasets as well as future colliders.
Beschreibung:Gesehen am 21.01.2022
Beschreibung:Online Resource
ISSN:1361-6633
DOI:10.1088/1361-6633/ac36b9

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