Compact energetic light particle detector and spectrometer

Details Compact energetic light particle detector and spectrometer Compact energetic light particle detector and spectrometer

Sep 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003esasp.540..703g&link_type=abstract

In: Proceedings of the 9th International Symposium on Materials in a Space Environment, 16-20 June 2003, Noordwijk, The Netherla

Computer Science

Performance

Space Environment, Materials, Charged Particle Spectrometers

Scientific paper

We have developed an MeV class energetic charged particle spectrometer based on a novel configuration and processing algorithm. The National Space Development Agency of Japan has undertaken a program to develop a particle monitor capable of discriminating and measuring protons in the 0.9 to 150 MeV range, electrons in the 0.5 to >10 MeV range and alpha particles >8 MeV, all within a single sensor called the Standard Dose Monitor. The goal is to utilize sensors with nearly identical design and performance on several simultaneous missions to develop a clearer understanding of particle energies and their variability as a function of solar activity, latitude, and altitude. To date, we have delivered four flight model sensors. The sensors are designed to accurately detect the higher energy particles and high count rates present during active solar periods. In addition this sensor exhibits extremely efficient discrimination between low energy electrons and protons. We have calibrated the sensors over nearly their entire particle-energy range. In this paper, we describe the design and compare calibration data with the results of our Monte Carlo sensor performance model.

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