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Edge effects caused by enhancement of DD/DT fusion reactions in metals at low energy of projectile particles in an ITER-type fusion reactor

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Abstract

Experimental data on enhancement of the yield of DD/DT reactions in metal targets at low energies of projectile deuterons (E d < 5 keV) were analyzed. A semiempirical expression was obtained to describe the dependence of the screening energy for deuterons upon the effective number of mobile deuterium atoms on the target metal surface. Numerical estimates showed that the edge plasma effects in ITER-type fusion reactors can be an additional source of generation of α-particles and of the buildup of 4He atoms in first-wall and divertor materials.

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Authors and Affiliations

  1. Department of Nuclear, Plasma, and Radiological Engineering, University of Illinois at Urbana-Champaing, Urbana, IL, 61801, USA

    A. G. Lipson

  2. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, Leninskii pr. 31, Moscow, 119991, Russia

    A. G. Lipson, B. F. Lyakhov & E. I. Saunin

  3. Lebedev Physical Institute, Russian Academy of Sciences, Leninskii pr. 53, Moscow, 119991, Russia

    A. S. Roussetski & A. Yu. Tsivadze

Authors
  1. A. G. Lipson
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  2. A. S. Roussetski
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  3. B. F. Lyakhov
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  4. E. I. Saunin
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  5. A. Yu. Tsivadze
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Corresponding author

Correspondence to A. G. Lipson.

Additional information

Original Russian Text © A.G. Lipson, A.S. Roussetski, B.F. Lyakhov, E. I. Saunin, A.Yu. Tsivadze, 2008, published in Khimiya Vysokikh Energii, 2008, Vol. 42, No. 4, pp. 361–365.

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Lipson, A.G., Roussetski, A.S., Lyakhov, B.F. et al. Edge effects caused by enhancement of DD/DT fusion reactions in metals at low energy of projectile particles in an ITER-type fusion reactor. High Energy Chem 42, 319–323 (2008). https://doi.org/10.1134/S0018143908040140

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  • DOI: https://doi.org/10.1134/S0018143908040140

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