We have built and operated a system which monitors and controls the response of the 12 lead-glass and the 12 plastic scintillator detectors in the COinfidence Photon-Proton (COPP) apparatus. We present here the detailed operation of the system and its performances during the experiment's runs. The gain control system, acting on the high-voltage values of the photomultiplier tubes, allows one to achieve a long term gain stability as good as 2% for each detector.
The gain control system for the COPP (coincidence photon-proton) apparatus
Massone AM;
1998
Abstract
We have built and operated a system which monitors and controls the response of the 12 lead-glass and the 12 plastic scintillator detectors in the COinfidence Photon-Proton (COPP) apparatus. We present here the detailed operation of the system and its performances during the experiment's runs. The gain control system, acting on the high-voltage values of the photomultiplier tubes, allows one to achieve a long term gain stability as good as 2% for each detector.File in questo prodotto:
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