Proton and Electron Pulse Shape Discrimination for In Situ Radiation Belt Monitoring

The goal of this article is to develop the necessary numerical models to study the differences of the induced current pulse shapes of protons and electrons in solid-state detectors (SSDs), all while validating these models with an experimental test bench. The shape of the captured current pulse crea...

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Bibliographic Details
Published in:IEEE transactions on nuclear science 2024-08, Vol.71 (8), p.1542-1548
Main Authors: Pinson, Maxime, Caron, Pablo, Gibaru, Quentin
Format: Article
Language:English
Subjects:
Detectors
Drift-diffusion-Poisson equations
Electrons
fast current amplifier
in situ measurements
Ionizing radiation
Mathematical models
Monte Carlo simulations
Numerical models
Protons
Pulse shape
pulse shape discrimination
Radiation belts
Shape
Shape recognition
Solar radiation
solid-state detectors (SSDs)
Space radiation
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Summary:The goal of this article is to develop the necessary numerical models to study the differences of the induced current pulse shapes of protons and electrons in solid-state detectors (SSDs), all while validating these models with an experimental test bench. The shape of the captured current pulse created by the passage of the particle in the SSD is indicative of the nature of the particle, which we aim to predict using the information in the pulse shape. The performances and limits of such a system are explored here in the scope of proton/electron discrimination in Earth's radiation belts. This provides a meaningful asset to the methods used in radiation monitors these days, which mostly rely on total energy deposited.
ISSN:0018-9499
1558-1578
DOI:10.1109/TNS.2024.3426972