Energy Release upon Bombardment of a Tungsten Surface by Deuterium Atoms


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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.

Sobre autores

D. Meluzova

Ioffe Physical Technical Institute, Russian Academy of Siences

Autor responsável pela correspondência
Email: dmeluzova@gmail.com
Rússia, St. Petersburg, 194021

P. Babenko

Ioffe Physical Technical Institute, Russian Academy of Siences

Email: dmeluzova@gmail.com
Rússia, St. Petersburg, 194021

M. Mironov

Ioffe Physical Technical Institute, Russian Academy of Siences

Email: dmeluzova@gmail.com
Rússia, St. Petersburg, 194021

V. Mikhailov

Ioffe Physical Technical Institute, Russian Academy of Siences

Email: dmeluzova@gmail.com
Rússia, St. Petersburg, 194021

A. Shergin

Ioffe Physical Technical Institute, Russian Academy of Siences

Email: dmeluzova@gmail.com
Rússia, St. Petersburg, 194021

A. Zinov’ev

Ioffe Physical Technical Institute, Russian Academy of Siences

Email: dmeluzova@gmail.com
Rússia, St. Petersburg, 194021

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