As far as I know temperature is one of the important but not the only important parameter. Density and confinement time can be taken into account as well to get

As far as I know temperature is one of the important but not the only important parameter. Density and confinement time can be taken into account as well to get a number that better characterizes the performance of a reactor, iirc. Edit: I think this is what I meant: https://en.wikipedia.org/wiki/Lawson_criterion https://en.wikipedia.org/wiki/Lawson_criterion