- #1
fpa2011
- 3
- 0
what is the difference between a "mass state" and an "interaction state"?
I've encountered these terms a few times with no explanation, and googling around turns up absolutely nothing. Can anyone give me a brief description of the two terms, suitable for undergraduate level?
thanks.
I've encountered these terms a few times with no explanation, and googling around turns up absolutely nothing. Can anyone give me a brief description of the two terms, suitable for undergraduate level?
thanks.