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- Title
Thermonuclear Fusion in the Irradiation of Large Clusters of Deuterium Iodide with a Field of a Superatomic Femtosecond Laser Pulse.
- Authors
Krainov, V. P.; Smirnov, M. B.
- Abstract
A theory of thermonuclear fusion caused by the irradiation of deuterium-iodide clusters with the field of a superatomic femtosecond laser pulse is developed. It is based on considering the process in which the sequential above-barrier multiple internal ionization of atomic ions within a cluster is accompanied by external field ionization. The theory is illustrated by taking the example of a cluster that is formed by 10[SUP5] molecules of deuterium iodide and which is irradiated with a laser pulse of duration 50 fs and intensity 2 × 10[SUP18]/cm[SUP2]at the peak. This case is dominated by I[SUP26+] atomic ions. The yield of neutrons from thermonuclear fusion in a deuteron-deuteron collision upon the passage of a laser pulse is calculated. The result is 10[SUP5]neutrons per laser pulse. The mean kinetic energy of deuterons is estimated at 50 keV. Owing to induced inverse bremsstrahlung in scattering on multiply charged atomic ions, the electron temperature increases up to 28 keV. The role of the Mie resonance in the heating of the electron component is discussed.
- Subjects
NUCLEAR fusion; LASERS; NUCLEAR physics; IRRADIATION; NUCLEAR reactions; MOLECULES; ELECTRONS
- Publication
Physics of Atomic Nuclei, 2003, Vol 66, Issue 4, p612
- ISSN
1063-7788
- Publication type
Article
- DOI
10.1134/1.1568812