Title :
The trigger control system for the COMPASS
Author :
Konorov, I. ; Angerer, H. ; Grube, B. ; Liebl, W. ; Paul, S. ; Schmitt, L.
Author_Institution :
Tech. Univ. of Munich, Germany
Abstract :
The architecture, features and performance of the TICS (Trigger Control System) designed and built for COMPASS, a fixed target experiment at CERN´s SPS, are discussed. The TICS is a two channel optical distribution system which is able to broadcast information from a single source to about 1000 destinations using a passive optical fiber network. The TCS distributes control information and trigger together with an event identifier and provides reference timing in all front-end cards with a precision of 50 ps RMS. Furthermore it generates random triggers for monitoring of the detector performance during data taking.
Keywords :
data acquisition; high energy physics instrumentation computing; nuclear electronics; optical fibre communication; particle spectrometers; passive networks; physical instrumentation control; readout electronics; timing circuits; trigger circuits; CERN; COMPASS; SPS; TICS; control information; data acquisition system; data taking; detector performance; event identifier; fixed target experiment; front-end cards; passive optical fiber network; random triggers; reference timing; trigger control system; two channel optical distribution system; Control systems; Data acquisition; Fiber lasers; High speed optical techniques; Mesons; Optical buffering; Optical fiber couplers; Optical fiber networks; Optical scattering; Spectroscopy;
Conference_Titel :
Nuclear Science Symposium Conference Record, 2001 IEEE
Print_ISBN :
0-7803-7324-3
DOI :
10.1109/NSSMIC.2001.1008418
