Physics of runaway electrons in tokamaks

BN Breizman, P Aleynikov, EM Hollmann… - Nuclear …, 2019 - iopscience.iop.org
Of all electrons, runaway electrons have long been recognized in the fusion community as a
distinctive population. They now attract special attention as a part of ITER mission …

Assessment of the runaway electron load distribution in ITER during 3D MHD induced beam termination

H Bergström, K Särkimäki, V Bandaru… - Plasma Physics and …, 2024 - iopscience.iop.org
In ITER, disruption-born runaway electrons (REs), unless mitigated, are expected to form a
several Mega-Ampere beam that ultimately intercepts the first wall leading to melting of the …

High-energy radiation and pair production by Coulomb processes in particle-in-cell simulations

B Martinez, M Lobet, R Duclous, E d'Humières… - Physics of …, 2019 - pubs.aip.org
We present a Monte Carlo implementation of Bremsstrahlung, Bethe-Heitler, and Coulomb
Trident processes into the particle-in-cell (PIC) simulation framework. In order to address …

An upper pressure limit for low-Z benign termination of runaway electron beams in TCV

M Hoppe, J Decker, U Sheikh, S Coda… - arXiv preprint arXiv …, 2024 - arxiv.org
We present a model for the particle balance in the post-disruption runaway electron plateau
phase of a tokamak discharge. The model is constructed with the help of, and applied to …

Relativistic Magnetized Electron–Positron Quantum Plasma and Large-Amplitude Solitary Electromagnetic Waves

F Nooralishahi, MK Salem - Brazilian Journal of Physics, 2021 - Springer
Nonlinear propagation of stationary large-amplitude electromagnetic (EM) solitary waves in
a magnetized electron–positron (EP) plasma is studied using a fully relativistic two-fluid …

Alpha particle driven Alfvénic instabilities in ITER post-disruption plasmas and their impact on runaway electron generation

A Lier - 2023 - mediatum.ub.tum.de
Fusion-born alpha particles during an ITER disruption are investigated as a possible drive of
Alfvénic instabilities. The ability of these Alfvénic plasma waves in reducing the disruption …

[PDF][PDF] Assessment of the runaway electron load distribution in ITER during 3D MHD induced beam termination

S Dong, RJ Zhou, YK Zhang - acris.aalto.fi
In ITER, disruption-born runaway electrons (REs), unless mitigated, are expected to form a
several Mega-Ampere beam that ultimately intercepts the first wall leading to melting of the …

[PDF][PDF] Analytical Studying of Positron Annihilation Equations

HAAM Al Droubi, E Abd Al Hadi Mostafa Soufan… - 2020 - scholar.archive.org
In this study examined the changes in some materials by studying different types of positron
annihilations, such as free annihilation, bound annihilation, para and ortho positronium …

دراسة تحليليّة لمعادلات الفناء البوزيتروني

هدى عبد المهيمن الدروبي… - مجلة العلوم الطبيعية …, 2019‎ - journals.ajsrp.com
في هذا البحث تم دراسة آليّة الفناء البوزيتروني للتغيُّرات التي تطرأ على بعض المواد وذلك من
خلال دراسة أنواع مختلفة من الفناء البوزيتروني مثل الفناء الحر والفناء المقيَّد وفناء …

[引用][C] Analytical Studying of Positron Annihilation Equations: دراسة تحليليّة لمعادلات الفناء البوزيتروني

HAAM Al Droubi, E Abd Al Hadi Mostafa Soufan… - مجلة العلوم الطبيعية و …, 2019‎