Title of article
Application of avalanche photodiodes as a readout for scintillator tile–fiber systems
Author/Authors
Cheshkov، نويسنده , , C. and Georgiev، نويسنده , , G. and Gouchtchine، نويسنده , , E. and Litov، نويسنده , , L. and Mandjoukov، نويسنده , , I. and Spassov، نويسنده , , V.، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2000
Pages
8
From page
38
To page
45
Abstract
The application of reach-through avalanche photodiodes (RʹAPD) as a photodetector for scintillator tiles has been investigated. The light collected by WLS fibers (0.84 and 1 mm diameter) embedded in the scintillator has been transmitted to the 0.5 mm2 active surface of APD by clear optical fibers and optical connectors. A low noise charge sensitive preamplifier (≈400e− equivalent noise charge) has been used to amplify the photodiode signal. Various configurations of tile–fiber systems, suitable for CMS and LHCb experiments at LHC have been studied using cosmic muons and muon beam at SPS at CERN. In order to optimize the performance of APD, measurements in the temperature range from −10°C to +25°C have been made. The MIP detection efficiency and e−/MIP separation have been estimated in order to determine applicability of the readout for LHCb preshower.
Keywords
Fiber , WLS , scintillator , Calorimetry , APD
Journal title
Nuclear Instruments and Methods in Physics Research Section A
Serial Year
2000
Journal title
Nuclear Instruments and Methods in Physics Research Section A
Record number
2184506
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