Energy Release upon Bombardment of a Tungsten Surface by Deuterium Atoms
- Authors: Meluzova D.S.1, Babenko P.Y.1, Mironov M.I.1, Mikhailov V.S.1, Shergin A.P.1, Zinov’ev A.N.1
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Affiliations:
- Ioffe Physical Technical Institute, Russian Academy of Siences
- Issue: Vol 45, No 6 (2019)
- Pages: 580-583
- Section: Article
- URL: https://journals.rcsi.science/1063-7850/article/view/208337
- DOI: https://doi.org/10.1134/S1063785019060130
- ID: 208337
Cite item
Abstract
The depth distribution of the energy release (linear energy transfer) occurring upon bombardment of a tungsten target by deuterium atoms with energies ranging from 100 eV to 10 MeV is calculated. It is demonstrated that, contrary to common belief, the maximum energy release at energies below 100 keV is localized near the surface of the solid. At energies above 100 keV, the shape of the distribution changes, and a Bragg maximum emerges near the particle stopping point. The depth distribution of the energy release in tungsten under conditions typical of the ITER tokamak reactor is determined. This distribution provides an opportunity to estimate the wall heating by incident plasma atoms.
About the authors
D. S. Meluzova
Ioffe Physical Technical Institute, Russian Academy of Siences
Author for correspondence.
Email: dmeluzova@gmail.com
Russian Federation, St. Petersburg, 194021
P. Yu. Babenko
Ioffe Physical Technical Institute, Russian Academy of Siences
Email: dmeluzova@gmail.com
Russian Federation, St. Petersburg, 194021
M. I. Mironov
Ioffe Physical Technical Institute, Russian Academy of Siences
Email: dmeluzova@gmail.com
Russian Federation, St. Petersburg, 194021
V. S. Mikhailov
Ioffe Physical Technical Institute, Russian Academy of Siences
Email: dmeluzova@gmail.com
Russian Federation, St. Petersburg, 194021
A. P. Shergin
Ioffe Physical Technical Institute, Russian Academy of Siences
Email: dmeluzova@gmail.com
Russian Federation, St. Petersburg, 194021
A. N. Zinov’ev
Ioffe Physical Technical Institute, Russian Academy of Siences
Email: dmeluzova@gmail.com
Russian Federation, St. Petersburg, 194021