Woźniak, Kinga Anna and Cerri, Olmo and Duarte, Javier M. and Möller, Torsten and Ngadiuba, Jennifer and Nguyen, Thong Q. and Pierini, Maurizio and Spiropulu, Maria and Vlimant, Jean-Roch (2020) New Physics Agnostic Selections For New Physics Searches. EPJ Web of Conferences, 245 . Art. No. 06039. ISSN 2100-014X. doi:10.1051/epjconf/202024506039. https://resolver.caltech.edu/CaltechAUTHORS:20201117-075319907
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Abstract
We discuss a model-independent strategy for boosting new physics searches with the help of an unsupervised anomaly detection algorithm. Prior to a search, each input event is preprocessed by the algorithm - a variational autoencoder (VAE). Based on the loss assigned to each event, input data can be split into a background control sample and a signal enriched sample. Following this strategy, one can enhance the sensitivity to new physics with no assumption on the underlying new physics signature. Our results show that a typical BSM search on the signal enriched group is more sensitive than an equivalent search on the original dataset.
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Additional Information: | © The Authors, published by EDP Sciences, 2020. This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Published online: 16 November 2020. | ||||||||||||||||||
Group: | CMS@Caltech | ||||||||||||||||||
DOI: | 10.1051/epjconf/202024506039 | ||||||||||||||||||
Record Number: | CaltechAUTHORS:20201117-075319907 | ||||||||||||||||||
Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20201117-075319907 | ||||||||||||||||||
Official Citation: | New Physics Agnostic Selections For New Physics Searches. Kinga Anna Woźniak, Olmo Cerri, Javier M. Duarte, Torsten Möller, Jennifer Ngadiuba, Thong Q. Nguyen, Maurizio Pierini, Maria Spiropulu and Jean-Roch Vlimant. EPJ Web Conf., 245 (2020) 06039; DOI: https://doi.org/10.1051/epjconf/202024506039 | ||||||||||||||||||
Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||||||||||||
ID Code: | 106690 | ||||||||||||||||||
Collection: | CaltechAUTHORS | ||||||||||||||||||
Deposited By: | Tony Diaz | ||||||||||||||||||
Deposited On: | 17 Nov 2020 16:24 | ||||||||||||||||||
Last Modified: | 16 Nov 2021 18:55 |
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