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A PMT-Block test bench

Abstract : 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.
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Contributor : Jeanine Pellet <>
Submitted on : Wednesday, September 27, 2006 - 8:59:33 PM
Last modification on : Thursday, February 25, 2021 - 10:58:12 AM

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P. Adragna, A. Antonaki, I. Boudagov, V. Cavasinni, D. Costanzo, et al.. A PMT-Block test bench. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Elsevier, 2006, 564, pp.597-607. ⟨10.1016/j.nima.2006.03.045⟩. ⟨in2p3-00101683⟩



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