寻找宇宙暗物质的KamLAND-PICO项目
天体物理仪器与方法
2016-04-29 v1 仪器与探测器
摘要
KamLAND-PICO项目旨在利用NaI(Tl)闪烁体寻找WIMPs暗物质。为了研究截面小至 pb的WIMPs候选者，通过化学处理和环境控制开发了纯NaI(Tl)晶体。U和Th链的浓度分别降低至 ppt和 ppt。值得注意的是，难以降低的Pb浓度达到了 Bq/kg的高纯度。
引用
@article{arxiv.1407.3542,
title = {KamLAND-PICO project to search for cosmic dark matter},
author = {K. Fushimi and Y. Awatani and H. Ejiri and R. Hazama and H. Ikeda and K. Imagawa and K. Inoue and A. Kozlov and R. Orito and T. Shima and R. Sugawaraand K. Yasuda},
journal= {arXiv preprint arXiv:1407.3542},
year = {2016}
}
备注
6 pages 5 figures, Proceedings of the 26th Workshop on "Radiation Detectors and Their Uses" January 26-28 20214. KEK Tsukuba Japan. Accepted for publication