BESS在1 GeV以下低能反质子探测效率的测量
仪器与探测器
2009-11-07 v2
摘要
利用低能反质子束进行了一项加速器实验，以测量气球载超导螺线管谱仪BESS的反质子探测效率。测量效率与基于GEANT/GHEISHA的BESS蒙特卡罗模拟计算值吻合良好。通过对BESS模拟的详细验证，由BESS模拟得出的探测效率相对系统误差被确定为±5%，而此前估计为±15%，后者曾是宇宙射线反质子通量测量的主要不确定性来源。
引用
@article{arxiv.physics/0105003,
title = {Measurement of low-energy antiproton detection efficiency in BESS below 1 GeV},
author = {Y. Asaoka and K. Yoshimura and T. Yoshida and K. Abe and K. Anraku and M. Fujikawa and H. Fuke and S. Haino and K. Izumi and T. Maeno and Y. Makida and N. Matsui and H. Matsumoto and H. Matsunaga and M. Motoki and M. Nozaki and S. Orito and T. Sanuki and M. Sasaki and Y. Shikaze and T. Sonoda and J. Suzuki and K. Tanaka and Y. Toki and A. Yamamoto},
journal= {arXiv preprint arXiv:physics/0105003},
year = {2009}
}
备注
13 pages, 7 figures