Challenge to practical use of GEM using the ceramic as an insulator

2019 Fiscal Year Final Research Report

• Project/Area Number: 17K05473
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Research Field: Particle/Nuclear/Cosmic ray/Astro physics
• Research Institution: Kindai University
• Principal Investigator: Kato Yukihiro 近畿大学, 理工学部, 教授 (60278744)
• Project Period (FY): 2017-04-01 – 2020-03-31
• Keywords: セラミックGEM / ガス検出器 / 増幅率 / エネルギー分解能

Outline of Final Research Achievements

LTCC (Low Temperature Co-fired Ceramics) has the advantages of good electrical discharge resistance and high rigidity, and is expected to be a good insulator material of GEM (Gas Electron Multiplier) used for the electron amplification mechanism of the particle detector. In this study, we made the LTCC-GEM and measured the detector's basic performances (the amplification factor and the position dependence and so on). The results showed the same performance as the conventional GEM. Considering the advantage of LTCC, it was found that a particle detector capable of solving the problems of the conventional GEM can be developed.

Free Research Field

素粒子実験

Academic Significance and Societal Importance of the Research Achievements

粒子検出器には高精度の位置分解能のみならず長期安定性が強く求められている。従来のGEMの弱点である放電による損傷問題は、検出器を長期にわたって運転するためには克服しなければならない問題であり、LTCCという耐放電特性に優れた素材を用いた検出器の実現可能性の是非はガス検出器の可能性を広げるために重要な鍵となりうる。本研究によって耐放電特性に優れたGEMを組み込んだガス検出器の実現が確実となり、素粒子実験だけでなく様々な分野で用いられる期待を得ることが出来た。