Multichannel Data Acquisition System for Scintillation Detectors of the Emma Experiment
msra(2011)
摘要
The multichannel data acquisition system is intended to be used in the EMMA
experiment studying cosmic rays. The array will be in the Pihasalmi mine
(central Finland) at a depth of about 85 m. The scintillator counters (SC-1) of
the array are cast plastic scintillators with a wavelength of each SC-1
detector is 12.2{\times}12.2{\times}3.0 cm^3. 16 SC-1 detectors are placed in
the metal case of 50.0{\times}50.0{\times}13.0 cm^3 dimension. Each case,
called SC-16 detector, contains electronics of preliminary processing of
signals and operating mode stabilization. The whole of the array will contain
96 detectors SC-16. It will make 1536 channels placed in three planes (48+24+24
detectors). The array will allow us to measure the time of flight of particles
between SC-16 detectors and the coordinates of SC-1 fired detectors. This paper
presents the function diagram of data acquisition system that includes
electronic of detectors, the hodoscope pulse channels, the trigger block and
VME blocks.
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关键词
scintillation detector,cosmic ray,data acquisition system,time of flight
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