FNAL E771 FAST MUON TRIGGER

Citation
L. Antoniazzi et al., FNAL E771 FAST MUON TRIGGER, Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment, 355(2-3), 1995, pp. 320-328
Citations number
15
Categorie Soggetti
Nuclear Sciences & Tecnology","Physics, Particles & Fields","Instument & Instrumentation",Spectroscopy
ISSN journal
01689002
Volume
355
Issue
2-3
Year of publication
1995
Pages
320 - 328
Database
ISI
SICI code
0168-9002(1995)355:2-3<320:FEFMT>2.0.ZU;2-B
Abstract
A fast first level muon trigger, developed for and used in experiment E771 at Fermilab, for selecting events containing high energy muons, i s described. The trigger finds events by matching the hits information received from three planes of resistive plate counters. The entire pr ocess, accomplished within 450 ns, reduces the total interaction rate by a factor of similar to 10(2) for the single muon trigger and a fact or of similar to 10(4) for the dimuon trigger. The trigger logic is pr ogrammable, and it allows for an optimization of the signal to backgro und ratio. The capability and performances of the trigger system are a lso described.