Experimental investigation of bubble occurrence and locality distribution of bubble detectors bombarded with high-energy helium ions

S. L. Guo, T. Doke, D. H. Zhang, L. Li, B. L. Chen, J. Kikuchi, N. Hasebe, K. Terasawa, K. Hara, T. Fuse, N. Yasuda, T. Murakami

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

Large-sized bubble detectors with microscopic droplets of superheated liquids of dichlorodifluoromethane (Freon-12), dichlorotetrafluoroethane (Freon-114), tetrafluoroethane (Freon-134a), and mixture of Freon-12 and Freon-114, respectively, were irradiated with 150 MeV/amu helium ions at the HIMAC accelerator in NIRS, Chiba, Japan. Distributions of bubbles produced by the helium ions have been studied in each type of the detectors. The origin of the bubbles has been investigated. The detection efficiency of each type of the bubble detectors for helium ions with respect to the energy of the ions has been obtained. The phenomenon of bubble occurrence and its possible applications to the determination of He intensity from accelerators, research of track formation mechanism, energy loss straggling and neutron detection in the space and at higher altitude are discussed.

Original languageEnglish
Pages (from-to)31-37
Number of pages7
JournalRadiation Measurements
Volume50
DOIs
Publication statusPublished - 2013 Mar 1
Externally publishedYes

Keywords

  • Bubble detectors
  • Cosmic rays
  • Detection efficiency of bubble detector for helium ions
  • High-energy helium ions
  • Space neutron detection
  • Track formation mechanism

ASJC Scopus subject areas

  • Radiation
  • Instrumentation

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