JEDI-net: a jet identification algorithm based on interaction networks
- California Inst. of Technology (CalTech), Pasadena, CA (United States)
- Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States); Univ. of California, San Diego, CA (United States)
- European Organization for Nuclear Research (CERN), Geneva (Switzerland)
We investigate the performance of a jet identification algorithm based on interaction networks (JEDI-net) to identify all-hadronic decays of high-momentum heavy particles produced at the LHC and distinguish them from ordinary jets originating from the hadronization of quarks and gluons. The jet dynamics are described as a set of one-to-one interactions between the jet constituents. Based on a representation learned from these interactions, the jet is associated to one of the considered categories. Unlike other architectures, the JEDI-net models achieve their performance without special handling of the sparse input jet representation, extensive pre-processing, particle ordering, or specific assumptions regarding the underlying detector geometry. The presented models give better results with less model parameters, offering interesting prospects for LHC applications.
- Research Organization:
- Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- Grant/Contract Number:
- AC02-07CH11359; SC0011925
- OSTI ID:
- 1619359
- Alternate ID(s):
- OSTI ID: 1561543
- Report Number(s):
- arXiv:1908.05318; FERMILAB-PUB-19-360-PPD; oai:inspirehep.net:1749751
- Journal Information:
- European Physical Journal. C, Particles and Fields, Vol. 80, Issue 1; ISSN 1434-6044
- Publisher:
- SpringerCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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