二氧化硅气凝胶中缪子素发射的测量
原子物理
2014-09-19 v1 高能物理 - 实验
仪器与探测器
摘要
观测到了缪子素 () 原子从二氧化硅气凝胶向真空的发射现象。针对密度范围从 29 mg cm 到 178 mg cm 的二氧化硅气凝胶样品，确立了缪子素发射的特性。与气凝胶表面距离相关的缪子素衰变时间谱（对速度分布敏感）遵循扩散过程预期的一般特征，同时识别出与简单室温热扩散模型的微小偏差。扩散过程的参数由观测到的产率推导得出。
引用
@article{arxiv.1306.3810,
title = {Measurement of muonium emission from silica aerogel},
author = {P. Bakule and G. A. Beer and D. Contreras and M. Esashi and Y. Fujiwara and Y. Fukao and S. Hirota and H. Iinuma and K. Ishida and M. Iwasaki and T. Kakurai and S. Kanda and H. Kawai and N. Kawamura and G. M. Marshall and H. Masuda and Y. Matsuda and T. Mibe and Y. Miyake and S. Okada and K. Olchanski and A. Olin and H. Onishi and N. Saito and K. Shimomura and P. Strasser and M. Tabata and D. Tomono and K. Ueno and K. Yokoyama and S. Yoshida},
journal= {arXiv preprint arXiv:1306.3810},
year = {2014}
}
备注
11 pages, 5 figures, submitted to PTEP