Development of a Method for Liquid Xenon Purification Using a Cryogenic Centrifugal Pump

We are developing a new type of photon detector for an experiment to search for muons decaying into a positron and a gamma ray. In this experiment, the photon detector will utilize liquid xenon (Xe) as the scintillation material. Good transparency of the liquid Xe is required in order to gain the hi...

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Published inTEION KOGAKU (Journal of Cryogenics and Superconductivity Society of Japan) Vol. 40; no. 12; pp. 571 - 577
Main Authors MIHARA, Satoshi, HARUYAMA, Tomiyoshi, IWAMOTO, Toshiyuki, UCHIYAMA, Yusuke, OOTANI, Wataru, KASAMI, Katsuyu, SAWADA, Ryu, TERASAWA, Kazuhiro, DOKE, Tadayoshi, NATORI, Hiroaki, NISHIGUCHI, Hajime, MAKI, Akihiro, MORI, Toshinori, YAMADA, Shuei
Format Journal Article
LanguageEnglish
Japanese
Published Tokyo CRYOGENICS AND SUPERCONDUCTIVITY SOCIETY OF JAPAN 2005
Japan Science and Technology Agency
Subjects
centrifugal pump
liquid xenon
low-temperature fluid
purification
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Summary:We are developing a new type of photon detector for an experiment to search for muons decaying into a positron and a gamma ray. In this experiment, the photon detector will utilize liquid xenon (Xe) as the scintillation material. Good transparency of the liquid Xe is required in order to gain the highest performance out of the detector. Impurities like water and oxygen must be removed efficiently for this purpose. We have developed a new purification system, dedicated to removing water from liquid Xe, by employing a cryogenic centrifugal pump and molecular sieves. The performance of the system will be described in this article.
ISSN:0389-2441
1880-0408
DOI:10.2221/jcsj.40.571