Optimal jet radius in kinematic dijet reconstruction

Abstract

Obtaining a good momentum reconstruction of a jet is a compromise between taking it large enough to catch the perturbative final-state radiation and small enough to avoid too much contamination from the underlying event and initial-state radiation. In this paper, we compute analytically the optimal jet radius for dijet reconstructions and study its scale dependence. We also compare our results with previous Monte-Carlo studies.

30 pages, 11 figures; minor corrections; published in JHEP

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• The mass area of jets
• Vetoed jet clustering: The mass-jump algorithm
• Framing energetic top-quark pair production at the LHC
• Jumping into buckets, or How to decontaminate overlapping fat jets
• Jet Radiation Radius