基于GEM的TPC原型机在Ar-CF4-异丁烷混合气体中的宇宙射线测试
仪器与探测器
2023-03-22 v4 高能物理 - 实验
摘要
氩气与CF4的混合物因其漂移电子横向扩散小（尤其在强磁场下），被认为是未来直线对撞机实验中时间投影室（TPC）气体混合物的良好候选。为确认该气体混合物相对于传统TPC气体的优越性，我们使用基于GEM的TPC原型机，在0-1 T轴向磁场下，主要于Ar-CF4-异丁烷混合气体中进行了宇宙射线测试。本文给出了所测量的气体特性（如气体增益和横向扩散常数）以及观测到的空间分辨率。
引用
@article{arxiv.1008.5068,
title = {Cosmic ray tests of a GEM-based TPC prototype operated in Ar-CF4-isobutane gas mixtures},
author = {M. Kobayashi and R. Yonamine and T. Tomioka and A. Aoza and H. Bito and K. Fujii and T. Higashi and K. Hiramatsu and K. Ikematsu and A. Ishikawa and Y. Kato and H. Kuroiwa and T. Matsuda and O. Nitoh and H. Ohta and K. Sakai and R. D. Settles and A. Sugiyama and H. Tsuji and T. Watanabe and H. Yamaoka and T. Yazu},
journal= {arXiv preprint arXiv:1008.5068},
year = {2023}
}
备注
A supplemental material (Addendum to be published in Nucl. Instrum. Methods Phys. Res. A) was added at the end of the manuscript to help readers understand the formulas in Appendix B. No changes in the conclusion. 24 pages, including 21 figures