Direct detection of antihydrogen atoms using a BGO crystal

Y. Nagata, N. Kuroda*, M. Ohtsuka, M. Leali, E. Lodi-Rizzini, V. Mascagna, M. Tajima, H. A. Torii, N. Zurlo, Y. Matsuda, L. Venturelli, Y. Yamazaki

*この研究の対応する著者

研究成果: Article査読

9 被引用数 (Scopus)

抄録

The ASACUSA collaboration has developed a detector consisting of a large size BGO crystal to detect an atomic antihydrogen beam, and performed the direct detection of antihydrogen atoms. Energy spectra from antihydrogen annihilation on the BGO crystal are discussed in comparison to simulation results from the GEANT4 toolkit. Background mainly originating from cosmic rays were strongly suppressed by analyzing the energy deposited in the BGO and requiring a multiplicity of charged pions. Thus antihydrogen events were identified.

本文言語English
ページ(範囲)153-159
ページ数7
ジャーナルNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
840
DOI
出版ステータスPublished - 2016 12 21
外部発表はい

ASJC Scopus subject areas

  • 核物理学および高エネルギー物理学
  • 器械工学

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