Development of alpha surface contamination monitor based on THGEM for contamination distribution

Xiao, Si-Min; Luo, Zhigang; Liu, Qian; Yuan, Guojun; Hongchao, Pang; Liu, Yang; Huang, Jinfeng; Shi, Chen

doi:10.1007/s41365-019-0678-z

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2020

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Cited by 5 publications

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“…The loss of detection efficiency is caused by the small charge signals on readout strips of this Micromegas detector that cannot exceed the threshold of VMM3. First of all, we scanned the detection efficiency with different electronics gains and high voltages of mesh to get a stable and suitable working point [12]. The efficiency is shown in figure 23.…”

Section: Beam Test At Desymentioning

confidence: 99%

Design of the readout electronics for a Micromegas-TPC detector

et al. 2020

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This paper presents the design and test of the readout electronics for Micromegas detector, which is developed for the future CEPC-TPC tracking system. The front-end electronics is based on the VMM3 chip, a 64-channel ASIC with high resolution of charge and time, which has been used in the readout system of both the Micromegas and sTGC detectors in the New Small Wheels Upgrade project. The test results show that the charge resolution and time resolution of the readout electronics connected to the Micromegas-TPC detector are measured to be 1.19 fC and 2.20 ns, respectively, and the position resolution and time resolution of the Micromegas-TPC detector are determined to be 142 μm and 18.4 ns, respectively.

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Section: Beam Test At Desymentioning

confidence: 99%