Measurement of muonium emission from silica aerogel

P. Bakule, G. A. Beer, D. Contreras, M. Esashi, Y. Fujiwara, Y. Fukao, S. Hirota, H. Iinuma, K. Ishida, M. Iwasaki, T. Kakurai, S. Kanda, H. Kawai, N. Kawamura, G. M. Marshall, H. Masuda, Y. Matsuda, T. Mibe, Y. Miyake, S. OkadaK. Olchanski, A. Olin, H. Onishi, N. Saito, K. Shimomura, P. Strasser, M. Tabata, D. Tomono, K. Ueno, K. Yokoyama, S. Yoshida

研究成果: Article査読

9 被引用数 (Scopus)

抄録

Emission of muonium (μ +e-) atoms from silica aerogel into vacuum was observed. Characteristics of muonium emission were established from silica aerogel samples with densities in the range from 29 mg cm-3to 178 mg cm-3. Spectra of muonium decay times correlated with distances from the aerogel surfaces, which are sensitive to the speed distributions, and follow general features expected from a diffusion process, while small deviations from a simple roomtemperature thermal diffusion model are identified. The parameters of the diffusion process are deduced from the observed yields.

本文言語English
論文番号103C01
ジャーナルProgress of Theoretical and Experimental Physics
2013
10
DOI
出版ステータスPublished - 2013

ASJC Scopus subject areas

  • 物理学および天文学(全般)

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