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

作者：Bouteille S; Attie D; Baron P; Calvet D; Magnier P; Mandjavidze I; Procureur S^*; Riallot M; Winkler M

来源：Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment , 2016, 834: 223-228.

DOI：10.1016/j.nima.2016.08.002

• Genetic multiplexing
• Micro Pattern Gaseous Detectors
• MPGD
• Micromegas
• Muon Tomography
• Volcanology
• Muography

This paper reports about the first Micromegas-based telescope built for applications in muon tomography. The telescope consists of four, 50 x 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.

• 出版日期2016-10-21
• 单位中国地震局