And apparently, "pi-ton" is not a pun on "pion" at all, but rather derived from a characteristic momentum that comes up... somewhere. (I didn't read the article

And apparently, "pi-ton" is not a pun on "pion" at all, but rather derived from a characteristic momentum that comes up... somewhere. (I didn't read the article so closely -- just enough to be horribly disappointed that the pun I was expecting, was absent.)