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

被引：7

作者：

Hashimoto, Takashi ^{[1
]}

Miuchi, Kentaro ^{[1
]}

Nakamura, Kiseki ^{[1
]}

Yakabe, Ryota ^{[1
]}

Ikeda, Tomonori ^{[1
]}

Taishaku, Ryosuke ^{[1
]}

Nakazawa, Miki ^{[1
]}

Ishiura, Hirohisa ^{[1
]}

Ochi, Atsuhiko ^{[1
]}

Takeuchi, Yasuo ^{[1
,2
]}

机构：

[1] Kobe Univ, Dept Phys, Kobe, Hyogo 6578501, Japan

[2] Univ Tokyo, Inst Adv Study, Kavli Inst Phys & Math Universe WPI, Kashiwa, Chiba 2778583, Japan

来源：

LOW RADIOACTIVITY TECHNIQUES 2017 (LRT 2017) | 2018年 / 1921卷

关键词：

D O I：

10.1063/1.5019004

中图分类号：

TL [原子能技术]; O571 [原子核物理学];

学科分类号：

0827 ; 082701 ;

摘要：

NEWAGE is a direction-sensitive dark-matter-search experiment that uses a micro-patterned gaseous detector, or mu-PIC, as the readout. The main background sources are a-rays from radioactive contaminants in the mu-PIC. We have therefore developed a low-alpha-emitting mu-PICs and measured its performances. We measured the surface mu-ray emission rate of the mu-PIC in the Kamioka mine using a surface alpha-ray counter based on a micro TPC.

引用

页数：6

共 17 条

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