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0.1-10 MeV Neutron Soft Error Rate in Accelerator and Atmospheric Environments

Cecchetto, Matteo ; Alia, Ruben Garcia ; Wrobel, Frederic ; Coronetti, Andrea ; Bilko, Kacper ; Lucsanyi, David ; Fiore, Salvatore ; Bazzano, Giulia ; Pirovano, Elisa ; Nolte, Ralf

IEEE transactions on nuclear science, 2021-05, Vol.68 (5), p.873-883 [Periódico revisado por pares]

New York: IEEE

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Título:
0.1-10 MeV Neutron Soft Error Rate in Accelerator and Atmospheric Environments
Autor: Cecchetto, Matteo ; Alia, Ruben Garcia ; Wrobel, Frederic ; Coronetti, Andrea ; Bilko, Kacper ; Lucsanyi, David ; Fiore, Salvatore ; Bazzano, Giulia ; Pirovano, Elisa ; Nolte, Ralf
Assuntos: Accelerator ; Aerospace electronics ; Avionics ; COTS SRAM ; Elastic scattering ; Energy ; Engineering Sciences ; Fluxes ; ground-level ; intermediate-energy neutrons ; Life estimation ; low-energy neutrons ; Mesons ; Neutrons ; Particle beams ; Protons ; Radiation ; Sensitivity ; SEU cross sections ; Soft errors
É parte de: IEEE transactions on nuclear science, 2021-05, Vol.68 (5), p.873-883
Descrição: Neutrons with energies between 0.1 and 10 MeV can significantly impact the soft error rate (SER) in SRAMs manufactured in scaled technologies, with respect to high-energy neutrons. Their contribution is evaluated in accelerator, ground-level, and avionic (12 km of altitude) environments. Experimental cross sections were measured with monoenergetic neutrons from 144 keV to 17 MeV, and the results benchmarked with Monte Carlo simulations. It was found that even 144 keV neutrons can induce upsets due to elastic scattering. Moreover, neutrons in the 0.1-10 MeV energy range can induce more than 60% of the overall upset rate in accelerator applications, while their contribution can exceed 18% in avionics. The SER due to neutrons below 3 MeV, whose contribution has always been considered negligible, is found to be up to 44% of the total upsets in accelerator environments. These results have strong radiation hardness assurance (RHA) implications for those environments with high fluxes of neutrons in the 0.1-10 MeV energy range.
Editor: New York: IEEE
Idioma: Inglês

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0.1-10 MeV Neutron Soft Error Rate in Accelerator and Atmospheric Environments

Cecchetto, Matteo ; Alia, Ruben Garcia ; Wrobel, Frederic ; Coronetti, Andrea ; Bilko, Kacper ; Lucsanyi, David ; Fiore, Salvatore ; Bazzano, Giulia ; Pirovano, Elisa ; Nolte, Ralf

New York: IEEE

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