Radiation Environment in the ITER Neutral Beam Injector Prototype

We study the radiation environment in MITICA, the prototype of the ITER neutral beam injector, during deuterium operation. ITER is a scientific challenge: one of the several critical issues to solve is the compatibility to ionizing radiation of diagnostics components placed near the plasma vessel. I...

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Published in:IEEE transactions on nuclear science 2012-08, Vol.59 (4), p.1099-1104
Main Authors: Bagatin, Marta, Coniglio, Angela, D'Arienzo, Marco, De Lorenzi, Antonio, Gerardin, Simone, Paccagnella, Alessandro, Pasqualotto, Robert, Peruzzo, Simone, Sandri, Sandro
Format: Article
Language:English
Subjects:
Computer simulation
Detectors
Deuterium
Diagnostic systems
Fusion energy
Injectors
Ionizing radiation
Monte Carlo methods
neutral beam injector
Neutral beams
Neutrons
Particle beam injection
Particle beams
Photonics
Plasmas
radiation effects
Risk
Vessels
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cited_by cdi_FETCH-LOGICAL-c324t-bd350cc670b2d3c71829e43951e1f676a598400c76e940eab0bda9e5f7ded5993
cites cdi_FETCH-LOGICAL-c324t-bd350cc670b2d3c71829e43951e1f676a598400c76e940eab0bda9e5f7ded5993
container_end_page 1104
container_issue 4
container_start_page 1099
container_title IEEE transactions on nuclear science
container_volume 59
creator Bagatin, Marta
Coniglio, Angela
D'Arienzo, Marco
De Lorenzi, Antonio
Gerardin, Simone
Paccagnella, Alessandro
Pasqualotto, Robert
Peruzzo, Simone
Sandri, Sandro
description We study the radiation environment in MITICA, the prototype of the ITER neutral beam injector, during deuterium operation. ITER is a scientific challenge: one of the several critical issues to solve is the compatibility to ionizing radiation of diagnostics components placed near the plasma vessel. In fact, non negligible fluxes of neutrons and photons are expected from deuterium-deuterium reactions, also from a major peripheral component such as the Neutral Beam Injector. After evaluating the results of Monte Carlo simulations on the expected environment, we determine the risk of malfunctions due to ionizing radiation in control and diagnostic electronics placed close to the injector vessel. The risk on different families of electronic devices is assessed, focusing separately on displacement damage, total ionizing dose, and single event effects.
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source IEEE Electronic Library (IEL) Journals
subjects Computer simulation
Detectors
Deuterium
Diagnostic systems
Fusion energy
Injectors
Ionizing radiation
Monte Carlo methods
neutral beam injector
Neutral beams
Neutrons
Particle beam injection
Particle beams
Photonics
Plasmas
radiation effects
Risk
Vessels
title Radiation Environment in the ITER Neutral Beam Injector Prototype
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