23-27 May 2017
Asia/Seoul timezone
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Contribution Oral


Development of a low alpha emitting μ-PIC for NEWAGE direction-sensitive dark matter search


  • Mr. takashi HASHIMOTO

Primary authors



The NEWAGE detector is a gaseous micro-TPC using μ-PIC. We found the main background sources are alpha rays from the radioactive contaminations in the μ-PIC. So, low alpha emitting μ-PICs have been developed. The performance of these μ-PICs will be presented. We set up a surface alpha ray counter using micro TPC in Kamioka mine. We measured surface alpha ray emission rate of the μ-PIC. The result will be presented.