Radon removal from gaseous xenon with activated charcoal

被引：37

作者：

Abe, K. ^{[2
]}

Hieda, K. ^{[2
]}

Hiraide, K. ^{[2
]}

Hirano, S. ^{[2
]}

Kishimoto, Y. ^{[2
]}

Kobayashi, K. ^{[2
]}

Koshio, Y. ^{[2
]}

Liu, J. ^{[3
]}

Martens, K. ^{[3
]}

Moriyama, S. ^{[2
]}

Nakahata, M. ^{[2
,3
]}

Nishiie, H. ^{[2
]}

Ogawa, H. ^{[2
]}

Sekiya, H. ^{[2
]}

Shinozaki, A. ^{[2
]}

Suzuki, Y. ^{[2
,3
]}

Takachio, O. ^{[2
]}

Takeda, A. ^{[2
]}

Ueshima, K. ^{[2
]}

Umemoto, D. ^{[2
]}

Yamashita, M. ^{[2
]}

Hosokawa, K. ^{[4
]}

Murata, A. ^{[4
]}

Otsuka, K. ^{[4
]}

Takeuchi, Y. ^{[4
]}

Kusaba, F. ^{[5
]}

Motoki, D. ^{[1
]}

Nishijima, K. ^{[5
]}

Tasaka, S. ^{[6
]}

Fujii, K. ^{[7
]}

Murayama, I. ^{[7
]}

Nakamura, S. ^{[7
]}

Fukuda, Y. ^{[8
]}

Itow, Y. ^{[9
]}

Masuda, K. ^{[9
]}

Nishitani, Y. ^{[9
]}

Takiya, H. ^{[9
]}

Uchida, H. ^{[9
]}

Kim, Y. D. ^{[10
]}

Kim, Y. H. ^{[11
]}

Lee, K. B. ^{[11
]}

Lee, M. K. ^{[11
]}

Lee, J. S. ^{[11
]}

机构：

[1] Tokai Univ, Sch Sci & Technol, Hiratsuka, Kanagawa 2591292, Japan

[2] Univ Tokyo, Inst Cosm Ray Res, Kamioka Observ, Gifu 5061205, Japan

[3] Univ Tokyo, Inst Phys & Math Universe, Kashiwa, Chiba 2778582, Japan

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

[5] Tokai Univ, Dept Phys, Hiratsuka, Kanagawa 2591292, Japan

[6] Gifu Univ, Dept Phys, Gifu 5011193, Japan

[7] Yokohama Natl Univ, Fac Engn, Dept Phys, Yokohama, Kanagawa 2408501, Japan

[8] Miyagi Univ Educ, Dept Phys, Sendai, Miyagi 9800845, Japan

[9] Nagoya Univ, Solar Terr Environm Lab, Nagoya, Aichi 4648602, Japan

[10] Sejong Univ, Dept Phys, Seoul 143747, South Korea

[11] Korea Res Inst Stand & Sci, Taejon 305340, South Korea

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2012年 / 661卷 / 01期

关键词：

Radon; Xenon; Charcoal; ADSORPTION;

D O I：

10.1016/j.nima.2011.09.051

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Many low background experiments using xenon need to remove radioactive radon to improve their sensitivities. However, no method of continually removing radon from xenon has been described in the literature. We studied a method to remove radon from xenon gas through an activated charcoal trap. From our measurements we infer a linear relationship between the mean propagation velocity v(Rn) of radon and v(Xe) of xenon in the trap with v(Rn)/v(Xe) = (0.96 +/- 0.10) x 10(-3) at -85 degrees C. As the mechanism for radon removal in this charcoal trap is its decay, knowledge of this parameter allows us to design an efficient radon removal system for the XMASS experiment. The verification of this system found that it reduces radon by a factor of 0.07, which is in line with its expected average retention time of 14.8 days for radon. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：50 / 57

页数：8

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