| Autor: |
V. S. Belyaev, Vinogradov, V. I., Matafonov, A. P., Rybakov, S. M., Krainov, V. P., Lisitsa, V. S., Andrianov, V. P., Ignatiev, G. N., Bushuev, V. S., Gromov, A. I., Rusetsky, A. S., Dravin, V. A. |
| Předmět: |
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| Zdroj: |
Physics of Atomic Nuclei; Jul2009, Vol. 72 Issue 7, p1077-1098, 22p, 1 Diagram, 5 Charts, 17 Graphs |
| Abstrakt: |
The results of experiments devoted to studying the excitation of the promising nuclear fusion reactions 6Li( d, α)4He, 3He( d, p)4He, 11B( p, 3 α), and 7Li( p, α)4He, along with the standard reaction D( d, n)3He, in picosecond laser plasmas are presented. For the first time, it was shown that these reactions may proceed at a moderate laser-radiation intensity of 2 × 1018 W/cm2, the respective yield being 2 × 103 to 105 per laser pulse. A brief survey of the main processes responsible for the generation of fast electrons and fast ions (protons) at the front surface of the target and for the excitation of nuclear fusion reactions is given. The calculated and experimental results on the yield from nuclear fusion reactions in picosecond laser plasmas are compared. The possibilities for optimizing the yield from the promising fusion reactions excited in femto- and picosecond laser plasmas are discussed. [ABSTRACT FROM AUTHOR] |
| Databáze: |
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