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Adragna, P.; Antonaki, A.; Boudagov, I.; Cavasinni, V.; Costanzo, D.; Del Prete, T.; Dotti, A.; Fassouliotis, D.; Giakoumopoulou, V.; Giokaris, N.; Guicheney, C.; Karali, E.; Khubua, J.; Lebessi, M.; Lupi, A.; Manoussakis, A.; Mazzoni, E.; Minashvili, I.; Morphi, M.; Pagani, G.F.; Paoletti, R.; Rizzi, D.; Roda, C.; Sarri, F.; Staveris-Polykalas, Ath; Staveris-Polykalas, Th; Stoudenov, S.; Usai, G.; Vazeille, F.; Vellidis, C.; Vichou, I.; Vivarelli, I.; Volpi, M.
Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment, 08/2006, Letnik: 564, Številka: 1Journal Article
The front-end electronics of the ATLAS hadronic calorimeter (Tile Cal) is housed in a unit, called PMT-Block. The PMT-Block is a compact instrument comprising a light mixer, a PMT together with its divider and a 3-in-1 card, which provides shaping, amplification and integration for the signals. This instrument needs to be qualified before being assembled on the detector. A PMT-Block test bench has been developed for this purpose. This test bench is a system which allows fast, albeit accurate enough, measurements of the main properties of a complete PMT-Block. The system, both hardware and software, and the protocol used for the PMT-Blocks characterization are described in detail in this report. The results obtained in the test of about 10 000 PMT-Blocks needed for the instrumentation of the ATLAS (LHC-CERN) hadronic Tile Calorimeter are also reported.
