Enhancement of muonium emission rate from silica aerogel with a laser-ablated surface

G. A. Beer, Y. Fujiwara, S. Hirota, K. Ishida, M. Iwasaki, S. Kanda, H. Kawai, N. Kawamura, R. Kitamura, S. Lee, W. Lee, G. M. Marshall, T. Mibe, Y. Miyake, S. Okada, K. Olchanski, A. Olin, H. Ohnishi, Y. Oishi, M. OtaniN. Saito, K. Shimomura, P. Strasser, M. Tabata, D. Tomono, K. Ueno, Eunil Won, K. Yokoyama

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Abstract

Emission of muonium (μ+e-) atoms from a laser-processed aerogel surface into vacuum was studied for the first time. Laser ablation was used to create hole-like regions with diameter of about 270∈\mu m in a triangular pattern with hole separation in the range of 300-500∈\mu m. The emission probability for the laser-processed aerogel sample is at least eight times higher than for a uniform one.

Original languageEnglish
Article number091C01
JournalProgress of Theoretical and Experimental Physics
Volume2014
Issue number9
DOIs
Publication statusPublished - 2014 Jul 4

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Beer, G. A., Fujiwara, Y., Hirota, S., Ishida, K., Iwasaki, M., Kanda, S., Kawai, H., Kawamura, N., Kitamura, R., Lee, S., Lee, W., Marshall, G. M., Mibe, T., Miyake, Y., Okada, S., Olchanski, K., Olin, A., Ohnishi, H., Oishi, Y., ... Yokoyama, K. (2014). Enhancement of muonium emission rate from silica aerogel with a laser-ablated surface. Progress of Theoretical and Experimental Physics, 2014(9), [091C01]. https://doi.org/10.1093/ptep/ptu116