期刊
出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.nima.2007.02.029
关键词
stopping power; charge exchange; energy losses; inertial confinement fusion
This report states about correlated charge and energy loss measurements in the collisional system Cl ions (1.5 Mev/u) in H-2. A windowless gaseous target with different thicknesses was used to measure simultaneously the charge state distributions (CSD) and the energy losses by the main populated outgoing charge states (q = 12-15). The Markov chain of the charge-changing process was deduced from a Monte-Carlo computation of the CSD evolution. The stopping cross-sections for individual charge states were finally deduced from energy loss data. Comparison of the experimental results with detailed calculations gives a clear evidence of relative importance of the individual contribution of non-linear correction terms and of the electron cloud bound to the projectiles. These two effects may be important for HI-ICF scenarios where a non-equilibrium charge state behavior is likely to occur. (C) 2007 Elsevier B.V. All rights reserved.
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