# Nuclear Science and Techniques

《核技术》(英文版) ISSN 1001-8042 CN 31-1559/TL     2019 Impact factor 1.556

Nuclear Science and Techniques ›› 2017, Vol. 28 ›› Issue (7): 102

• NUCLEAR ELECTRONICS AND INSTRUMENTATION •

### Simulation of a new hybrid MPGD with improved time resolution and decreased discharge probabilities using Garfield++

Sheng-Ying Zhao1, Hui-Yin Wu1, Bi-Tao Hu1, Hui-Rong Qi2, Yi Zhang1

1. 1 School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China
2 State Key Laboratory of Particle Detection and Electronics, Beijing 100049, China
• Supported by:

Supported by the National Natural Science Foundation of China (Nos. 11135002, 11275235, 11405077 and 11575073).

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Sheng-Ying Zhao, Hui-Yin Wu, Bi-Tao Hu, Hui-Rong Qi, Yi Zhang. Simulation of a new hybrid MPGD with improved time resolution and decreased discharge probabilities using Garfield++.Nuclear Science and Techniques, 2017, 28(7): 102
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Abstract:

In this work, a new hybrid MPGD consisting of two GEM foils and a metallic mesh was proposed. Based on the simulation studies, this design can significantly reduce the rise time of signal and has a better performance in respect of particle identification compared with the triple GEM design. The gain with various voltages setting was computed in order to provide us references for future experiment. The simulation results also show that the time and space resolution compared to the triple GEM detector are also improved. The time and space resolution of hybrid detector with Ar/CO2(70/30) and Ar/isobutane(95/5) were investigated for various drift electric field intensities. This new hybrid detector shows excellent potential for both fundamental research and imaging applications.