A Micromegas-based telescope for muon tomography: The WatTo experiment

Abstract : This paper reports about the first Micromegas-based telescope built for applications in muon tomo-graphy. The telescope consists of four, 50 Â 50 cm 2 resistive multiplexed Micromegas with a 2D layout and a self-triggering electronics based on the Dream chip. Thanks to the multiplexing, the four detectors were readout with a single Front-End Unit. The high voltages were provided by a dedicated card using low consumption CAEN miniaturized modules. A nano-PC (Hummingboard) ensured the HV control and monitoring coupled with a temperature feedback as well as the data acquisition and storage. The overall consumption of the instrument yielded 30 W only, i.e. the equivalent of a standard bulb. The telescope was operated outside during 3.5 months to image the water tower of the CEA-Saclay research center, including a 1.5-month campaign with solar panels. The development of autonomous, low consumption muon telescopes with unprecedented accuracy opens new applications in imaging as well as in the field of muon metrology.
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Article dans une revue
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Elsevier, 2016, 834, pp.223 - 228. <10.1016/j.nima.2016.08.002>
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Soumis le : jeudi 16 février 2017 - 14:45:42
Dernière modification le : vendredi 17 février 2017 - 16:14:38

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S. Bouteille, D. Attié, P. Baron, D. Calvet, P. Magnier, et al.. A Micromegas-based telescope for muon tomography: The WatTo experiment. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Elsevier, 2016, 834, pp.223 - 228. <10.1016/j.nima.2016.08.002>. <hal-01467614>

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