branching ratio
Word Rarity
Rare
Frequency: Zipf frequency 3.21 in modern English
22
Scrabble Score
14
Letters
3
Syllables
10
Unique Chars
Meaning
noun
In radioactivity, the portion of all decays that take a given pathway. For example, californium-252 decays by alpha decay ~97% of the time, and by spontaneous fission ~3% of the time; so the branching ratio is about 0.97 in favor of alpha decay, and about 0.03 in favor spontaneous fission.