Modeling the diffusion of muonium in silica aerogel and its application to a novel design of multi-layer target for thermal muon generation

C. Zhang, T. Hiraki, K. Ishida, S. Kamal, S. Kamioka, T. Mibe, A. Olin, N. Saito, K. Suzuki, S. Uetake, Y. Mao

Research output: Contribution to journalArticlepeer-review

Abstract

The generation of thermal muons by laser ionization of muonium (μ+e) confined in multi-layer silica aerogel structures is simulated. Thermal muonium generated inside the silica aerogel is emitted into the sandwiched vacuum regions between the aerogel layers separated by a few millimeters. The model for muonium emission is validated against emission measurements from single aerogel samples. The efficiency of thermal muon generation in this configuration is predicted to increase by several times compared with a single-layer design.

Keywords

  • Muon EDM
  • Muonium diffusion
  • Muon g−2
  • Silica aerogel
  • Thermal muon

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

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