Have a look here, i have neutralized a luminescent scorcher with gauss gun, you can see small green (plasma ?) on the ground, and the bonus ... have a look on it ...
This screenshot have been take after reloading a quicksave... and there is no action in the picture, nobody is moving (or flying)...
http://www.hostingpics.net/viewer.php?id=685506Fallout420151218010215.jpg