Resolving boosted jets with XCone
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13130_2015_Article_2682.pdf
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1.38 MB
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Author(s)
Thaler, Jesse
Wilkason, Thomas F.
Date Issued
December 2015
Journal
Journal of High Energy Physics
Publisher
Springer Berlin Heidelberg/International School for Advanced Studies (SISSA)
Citation
Thaler, Jesse, and Thomas F. Wilkason. "Resolving boosted jets with XCone." Journal of High Energy Physics (12):51 (2015 Dec 09), pp.1-33.
Version
Final published version
Abstract
We show how the recently proposed XCone jet algorithm [1] smoothly interpolates between resolved and boosted kinematics. When using standard jet algorithms to reconstruct the decays of hadronic resonances like top quarks and Higgs bosons, one typically needs separate analysis strategies to handle the resolved regime of well-separated jets and the boosted regime of fat jets with substructure. XCone, by contrast, is an exclusive cone jet algorithm that always returns a fixed number of jets, so jet regions remain resolved even when (sub)jets are overlapping in the boosted regime. In this paper, we perform three LHC case studies--dijet resonances, Higgs decays to bottom quarks, and all-hadronic top pairs--that demonstrate the physics applications of XCone over a wide kinematic range.
MIT Department
Massachusetts Institute of Technology. Center for Theoretical Physics
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Creative Commons Attribution
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DOI of Published Version
https://doi.org/10.1007/JHEP12(2015)051
