Optimized Neural Networks to Search for Higgs Boson Production at the Tevatron

Details Optimized Neural Networks to Search for Higgs Boson Production at the Tevatron Optimized Neural Networks to Search for Higgs Boson Production at the Tevatron

2003-02-12

arxiv.org/abs/hep-ph/0302088v1

Nucl.Instrum.Meth. A502 (2003) 486-488

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 4 figures, partially presented in proceedings of ACAT'02 conference

Scientific paper

10.1016/S0168-9002(03)00477-7

An optimal choice of proper kinematical variables is one of the main steps in using neural networks (NN) in high energy physics. Our method of the variable selection is based on the analysis of a structure of Feynman diagrams (singularities and spin correlations) contributing to the signal and background processes. An application of this method to the Higgs boson search at the Tevatron leads to an improvement in the NN efficiency by a factor of 1.5-2 in comparison to previous NN studies.

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