Radiation of stationary spherical ‘corona’ formed by heavy-ion beams
- 1 May 1988
- journal article
- research article
- Published by Cambridge University Press (CUP) in Laser and Particle Beams
- Vol. 6 (2) , 361-367
- https://doi.org/10.1017/s0263034600004122
Abstract
The problem of heavy-ion beam energy conversion into the plasma self-radiation of the spherical target is considered by using the radiative conductivity approximation. It is shown that there is a single parameter γ which determines the spherical ‘corona’ structure and has the meaning of the ratio: the ion range/the effective heat range. The conversion coefficient increases with the increase in the parameter γ and becomes ∼ 1, when γ ≃ 102. Typical beam and target parameters of modern HIF designs correspond to γ ≃ 10 and conversion coefficients >50%. Thus, at quasistationary stage of the ‘corona’ expansion the target acceleration and implosion regime is basically the radiative one.Keywords
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