PoS - Proceedings of Science
Volume 314 - The European Physical Society Conference on High Energy Physics (EPS-HEP2017) - Detector R&D and Data Handling (Poster Session). Scientific Secretary: Luciano Canton.
Application of SiPM arrays for the readout of a scintillator based time-of-flight detector
A. Korzenev,* C. Betancourt, A. Blondel, R. Brundler, A. Dätwyler, Y. Favre, D. Gascon, S. Gomez, P. Mermod, E. Noah, N. Serra, D. Sgalaberna, B. Storaci
*corresponding author
Full text: pdf
Pre-published on: January 15, 2018
Published on: March 20, 2018
A feasibility study of replacing a conventional phototube with an array of SiPMs is presented. High gain, low voltage operation and insensitivity to the magnetic field make SiPMs practically useful for the light collection in a physics experiment. In addition, sensors can be assembled in a compact system which is easily scalable. In this study an array of 6 mm x 6 mm area SiPMs was coupled to the end of a plastic scintillator counter with dimensions 150 cm x 6 cm x 1 cm. The principal restriction for applications requiring an accurate evaluation of the photons arrival time is a large SiPM capacitance which results in broadening of the signal rise time. A natural solution of the problem is to read out and amplify the sensors independently, thus essentially isolating the sensor capacitances from each other. For this purpose an 8 channel SiPM anode readout ASIC (MUSIC R1) has been used. Prospects for applications in large-scale particle physics detectors of the SHIP and T2K/ND280 experiments with timing resolution below 100 ps are provided in light of the results.
DOI: https://doi.org/10.22323/1.314.0795
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