论文标题

使用超低放射性沸石从氩气中测量ra散发和杂质吸附

Measurement of radon emanation and impurity adsorption from argon gas using ultralow radioactive zeolite

论文作者

Ogawa, Hiroshi, Iyoki, Kenta, Matsukura, Minoru, Wakihara, Toru, Abe, Ko, Miuchi, Kentaro, Umehara, Saori

论文摘要

对于罕见的事件粒子物理(例如暗物质和中微子观察实验),需要将检测器气体污染的放射性杂质量保持在非常低的水平。沸石是一种众所周知的材料类,是从这些气体中去除杂质的可能候选者之一。同时,从吸附剂材料中释放出的放射性杂质的数量需要足够小。在本文中,据报道,新的超级放射性沸石作为选择超级放射性材料的产物的发展。还描述了来自氩气测量的ra散发和杂质吸附的结果。

The amount of radioactive impurities contaminated in the detector gases is required to be kept at a very low level for rare event particle physics such as dark matter and neutrino observation experiments. Zeolite is a well-known class of materials and is one of the possible candidates for removing impurities from these gases. At the same time, the amount of radioactive impurities released from the adsorbent material needs to be sufficiently small. In this paper, a development of a new ultralow radioactive zeolite as a product of the selection of ultralow radioactive materials is reported. Results on the radon emanation and impurity adsorption from argon gas measurements are also described.

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