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Related Experiment Videos

Calibration results obtained with Liulin-4 type dosimeters.

Ts Dachev1, B Tomov, Yu Matviichuk

  • 1Solar-Terr. Influences Laboratory-BAS, Sofia, Bulgaria. tdachev@bas.bg

Advances in Space Research : the Official Journal of the Committee on Space Research (COSPAR)
|January 24, 2003
PubMed
Summary

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The Mobile Radiation Exposure Control System (Liulin-4 type) effectively monitors radiation doses and fluxes. Calibrations and real-world tests confirm its accuracy for dosimetry and environmental radiation assessment.

Area of Science:

  • Medical Physics
  • Radiation Detection and Measurement
  • Particle Accelerators

Background:

  • Accurate radiation monitoring is crucial for safety in various environments, including accelerator facilities and air travel.
  • Existing dosimetry systems require validation across diverse radiation fields and energies.

Purpose of the Study:

  • To calibrate and validate the Mobile Radiation Exposure Control System (Liulin-4 type) for accurate dose and flux measurements.
  • To assess the system's performance in diverse radiation environments, including proton beams, heavy ions, and cosmic radiation.
  • To compare experimental angular sensitivity data with Monte Carlo predictions.

Main Methods:

  • Calibration of 256-channel dosimeter-spectrometers using proton beams up to 70 MeV at cyclotron facilities.

Related Experiment Videos

  • Testing with 500 MeV/u Fe ions at the HIMAC accelerator and high-energy reference fields at CERN.
  • Measurement of angular sensitivities and comparison with Monte Carlo simulations.
  • Recording radiation exposure during airplane flights and comparison with the CARI-6 model.

    • Main Results:

    • Successful calibration of the Liulin-4 system across multiple accelerator facilities.
    • Demonstrated agreement between measured and predicted angular sensitivities.
    • Validation of the system's performance in high-energy heavy ion fields.
    • Comparison of flight data with CARI-6 model predictions.

    Conclusions:

    • The Liulin-4 system is a reliable tool for simultaneous dose and flux monitoring.
    • The system is suitable for personnel dosimetry and environmental radiation assessment.
    • Experimental data supports the accuracy and predictive capabilities of the system across a range of radiation types and energies.