FFTJet: A Package for Multiresolution Particle Jet Reconstruction in the Fourier Domain

Details FFTJet: A Package for Multiresolution Particle Jet Reconstruction in the Fourier Domain FFTJet: A Package for Multiresolution Particle Jet Reconstruction in the Fourier Domain

2009-07-02

arxiv.org/abs/0907.0270v1

Physics

High Energy Physics

High Energy Physics - Experiment

Scientific paper

This article describes the FFTJet software package designed to perform jet reconstruction in the analysis of high energy physics experimental data. A two-stage approach is adopted in which pattern recognition is performed first, utilizing multiresolution filtering techniques in the frequency domain. Jet energy reconstruction follows, conditional upon the choice of signal topology. The method is efficient, global, collinear and infrared safe, and allows the user to identify and avoid the event topology bifurcation points when energy reconstruction is performed.

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