Title :
Fast particle discriminator based on matched filters
Author :
Seixas, J.M. ; Calôba, L.P. ; Pinto, L.A.F.
Author_Institution :
COPPE/EE/UFRJ, Rio de Janeiro, Brazil
Abstract :
A fast discriminator for high-energy particles is developed using matched filters. It is based on analysing the time structure of electron and pion signals from a scintillating fiber calorimeter, a detector that measures the energy of the particles. The discriminator is able to achieve discrimination responses within 100 ns and for a beam energy of 80 GeV, less than 0.05% of pions are misclassified as electrons for an electron efficiency of more than 99%. This represents as improvement of more than 50% in the discrimination efficiency obtained by using a standard constant fraction discriminator
Keywords :
calorimeters; detector circuits; discriminators; electron detection; matched filters; meson detection; nuclear electronics; position sensitive particle detectors; solid scintillation detectors; 100 ns; 80 GeV; electron signal; fast discriminator; high-energy particle detector; matched filter; pion signal; scintillating fiber calorimeter; time structure; Additive noise; Detectors; Electrons; Matched filters; Mesons; Optical fiber testing; Optical fibers; Particle measurements; Physics; Sampling methods;
Conference_Titel :
Circuits and Systems, 1996., IEEE 39th Midwest symposium on
Conference_Location :
Ames, IA
Print_ISBN :
0-7803-3636-4
DOI :
10.1109/MWSCAS.1996.588048
