Not out to get you, and I am not an engineer either. Not sure I can even spell it.
What I was goofing around at getting at, is WHICH reactive materiel, and in what configuration.
Adding a straw, a reflector, or even a composite foam can change yiel significantly - so mass is just one variable, and the easy one, at that.
But nobody builds shotgun nukes anymore - too time-consuming and resource intensive.
And your comment about “science” reporters is exactly correct.
Nuke missile silo fire went undetected
and I don't find any posting on FR..either....not sure what the exact date was...here is the article date....October 31, 2008.