An iterative discriminant analysis method to search for the Higgs particle at LEP2

The search for the Higgs boson in e +e − collisions at energies above the Z 0 mass requires an efficient method to reject the many background channels. We have investigated an iterated discriminant analysis to detect the signal of a Higgs boson produced in association with neutrinos. An efficiency f...

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Bibliographic Details
Published in:Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Accelerators, spectrometers, detectors and associated equipment, 1998-02, Vol.403 (2), p.481-489
Main Authors: Malmgren, T.G.M., Johansson, K.E.
Format: Article
Language:English
Subjects:
Discriminant analysis
e +e − collisions
Higgs boson
Standard model
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Summary:The search for the Higgs boson in e +e − collisions at energies above the Z 0 mass requires an efficient method to reject the many background channels. We have investigated an iterated discriminant analysis to detect the signal of a Higgs boson produced in association with neutrinos. An efficiency for a 70 GeV/ c 2 Higgs particle of 50% and a background rejection factor of 290 000 have been achieved. The optimization and performance of the iterated discriminant analysis are described.
ISSN:0168-9002
1872-9576
DOI:10.1016/S0168-9002(97)01105-4