2013 Fiscal Year Final Research Report
Development of single electron imaging device using MPGD with resistive electrodes
| Project/Area Number |
24654067
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Single-year Grants |
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| Research Field |
Particle/Nuclear/Cosmic ray/Astro physics
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| Research Institution | Kobe University |
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Principal Investigator |
OCHI Atsuhiko 神戸大学, 理学(系)研究科(研究院), 助教 (40335419)
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| Project Period (FY) |
2012-04-01 – 2014-03-31
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| Keywords | 粒子測定技術 / イメージング / 微細加工技術 / ガス放射線検出器 / MPGD |
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| Research Abstract |
The gas electron multiplicity of more than 100 thousands is necessary to detect the single electron by MPGDs. We have developed new Micro-Pixel Chamber with resistive cathode for that purpose. The cathode electrodes are made from high resistive material, and the signal can be read by separated readout by induced charges. The prototypes have been made and tested. The maximum gain was close to 70 thousands, and the spark proberbility is surplessed to 0.1% - 0.01% compared
with that of conventional Micro-Pixel Chambers. Additionally, we have improved the production process of the detector by using carbon sputtering for resistive cathodes. We have made new prototype which have 10cm x 10cm detection area and two dimensional imaging property.
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