利用 ICARUS-T600 LAr-TPC 实验观测到极高的电子寿命
仪器与探测器
2015-06-22 v3
摘要
ICARUS T600 探测器是经过多年研发活动后建成的最大液氩时间投影室 (LAr-TPC)，已在 INFN 格兰萨索地下实验室成功安装并运行了 3 年。其中最关键的问题之一是液氩中残留的电负性杂质含量需极低，以便电离粒子产生的自由电子在漂移路径上以极小的衰减进行传输。所采用的氩气再循环和纯化系统解决方案在氩气纯度方面取得了令人瞩目的成果，自由电子寿命超过 15 ms，相当于约 20 ppt 的等效污染，这是任何涉及 LAr-TPC 的未来项目及更大型探测器质量规模发展的一个里程碑。
引用
@article{arxiv.1409.5592,
title = {Experimental observation of an extremely high electron lifetime with the ICARUS-T600 LAr-TPC},
author = {M. Antonello and B. Baibussinov and P. Benetti and F. Boffelli and A. Bubak and E. Calligarich and S. Centro and A. Cesana and K. Cieslik and D. B. Cline and A. G. Cocco and A. Dabrowska and A. Dermenev and R. Dolfini and A. Falcone and C. Farnese and A. Fava and A. Ferrari and G. Fiorillo and D. Gibin and S. Gninenko and A. Guglielmi and M. Haranczyk and J. Holeczek and M. Kirsanov and J. Kisiel and I. Kochanek and J. Lagoda and S. Mania and A. Menegolli and G. Meng and C. Montanari and S. Otwinowski and P. Picchi and F. Pietropaolo and P. Plonski and A. Rappoldi and G. L. Raselli and M. Rossella and C. Rubbia and P. Sala and A. Scaramelli and E. Segreto and F. Sergiampietri and D. Stefan and R. Sulej and M. Szarska and M. Terrani and M. Torti and F. Varanini and S. Ventura and C. Vignoli and H. Wang and X. Yang and A. Zalewska and A. Zani and K. Zaremba},
journal= {arXiv preprint arXiv:1409.5592},
year = {2015}
}
备注
to be submitted to JINST, LaTeX version