Hardware Version

Nuclear Particle Detection System (NPDS)

The Nuclear Particle Detection System (NPDS) was designed to have a relatively narrow acceptance angle and was intended to measure the isotropic proton and alpha particles derived form solar-particle events. The NPDS alpha-proton spectrometer measured 4 channels proton, at 15 to 150 MeV, and 3 channels alpha, at 40 to 300 MeV. The NPDS was located in the service module.

Experiment Participation
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