Comparison of Radiation Induced Noise Levels in Two Ion Detectors for Shielded Space Instruments in High Radiation Fields

Radiation shielding performance and radiation induced noise levels in ion detection instruments were investigated for a high radiation field. The intensity of primary and secondary radiation behind simple shields of aluminum and tantalum were determined by Monte Carlo computer simulations. Two ion detectors were evaluated: a micro-channel plate and a custom discrete dynode electron multiplier. Eur...