Abstract :
In May 2003, a beam test was performed to validate a subsystem of the CMS Tracker with a LHC-like beam. All final components, including detectors and fully optical readout, were assembled together on a sector of the third layer cylinder mechanical support. The system, with pre-production power supplies and DAQ, was taken into the CERN X5 beam area where, after a short period of commissioning stage it collected data samples over a two weeks test period. Data were analyzed and results concerning charge collection, noise, detector performance under different bias voltages, timing structure of the signal, and detector uniformity were obtained. The main system aspects as well as the DAQ and experimental setup are described and the detector performance is discussed.
Keywords :
data acquisition; high energy physics instrumentation computing; position sensitive particle detectors; readout electronics; silicon radiation detectors; 25 ns; CERN X5 beam area; CMS tracker inner barrel subsystem; DAQ; LHC-like beam; bias voltages; charge collection; detector uniformity; noise; optical readout chip; particle tracking; preproduction power supplies; semiconductor device testing; silicon radiation detectors; timing structure; Assembly; Collision mitigation; Data acquisition; Data analysis; Optical detectors; Optical devices; Performance evaluation; Power supplies; Signal analysis; System testing; Particle tracking; semiconductor device testing; silicon radiation detectors;
