Alpha particle simulation and diagnostics using 3He++ minority ICRF heating

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Abstract
We have investigated the theoretical feasibility of using fast 3He++ ions, produced by ICRF minority heating, to simulate the behavior of fusion-produced 4He++ ions in large fusion experiments. This proposed technique would allow the study of ‘‘alpha particlelike’’ heating in near term experiments, such as TFTR, JET, and JT-60, without the necessity of high levels of neutron production and the subsequent activation. The results of our calculations study show that ICRF minority heating should be able to produce confined fast 3He++ distributions in TFTR-sized experiments with an energy distribution and density similar to those expected for fast alpha particles in fusion reactor experiments, such as INTOR/FED/NET.

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