Authors
N Vanderloo, A T Lanzrath, E Edwards, T E Evans, Z Tessema, M Cufari, S G Dannhoff, B C Foo, Shahina, K F Bauer, N N Keer, B I Buschmann, A J DeVault, Y Lawrence, J Vargas, C W Wink, N R Schwartz, M Gatu Johnson, C K Li, R D Petrasso, J A Frenje
Published in
The Review of scientific instruments. Volume 97. Issue 11. Nov 01, 2026.
Abstract
In this paper, the MeV-proton response of a high-sensitivity, low-noise CR-39 nuclear track detector, TechnoTrak, produced by the Chiyoda Technol Corporation, is evaluated. Plastic CR-39 nuclear track detectors are commonly used for precise time-integrated measurement of charged particles. Such measurements are crucial for diagnosing inertial confinement fusion (ICF) and high energy density (HED) experiments at the Omega Laser Facility, the Z Pulsed Power Facility, and the National Ignition Facility. The response of TechnoTrak CR-39 detectors was tested with protons produced from DD and D3He fusion reactions at the MIT linear ion accelerator. The results indicate that TechnoTrak CR-39 detectors exhibit high detection efficiency over a wide proton energy range (∼1-5 MeV), remain sensitive to protons up to ∼9 MeV, and have lower intrinsic noise than widely used TASTRAKTM CR-39 produced by Track Analysis Systems Ltd. This wide detectable energy range and low noise floor may benefit future HED and ICF experiments requiring low background levels and broad proton energy sensitivity.
PMID:
43002108
Bibliographic data and abstract were imported from PubMed on 09 Nov 2026.
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