Question: cross section data of electron impact


I have a little problem, I tried to find out the Temperature of the Electrons in a Plasma,

the cross section name is sigma and I'm working with noble gases and there Threshold energies.

In the end I wand to find out  T_e but there comes only "Warning, solutions may have been lost"

Can anyone help me please?


Thank you very much

greetings from munich

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