1. The problem statement, all variables and given/known data I got ask the following question, and i don't know the answer. Why in a rdioactive decay of 232Th by alpha emission, the alpha particle can have energy 4.01 Mev and 3.95 Mev? 2. Relevant equations 3. The attempt at a solution I look up this website and i found it. http://atom.kaeri.re.kr/cgi-bin/decay?Th-232 A But i dont understand why. Is beacause of the probility?