Abstract

Studies on the temperature measurement of high energy electrons produced by a turbulent heating and by a beam plasma discharge are presented. High energy electrons consist of at least two components with different effective temperatures in the plasma after turbulent heating by a large current. One of them gives most of the heated pressure but its number is a few percent of all the initial plasma electrons and its temperature nearly corresponds to the discharge voltage. The other has the temperature higher than the former, and its number is much smaller. In a beam plasma discharge an electron group with the temperature corresponding to about the accelerating energy of electron beam is also produced in the beginning of the discharge. A solid state detector that has high energy resolution to the range of 2∼5 keV is found to be convenient for X-ray measurement in the beam plasma discharge.

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