branching chain reaction
A @C00960@ which includes a @P04881@ step or steps in which there is an increase in the number of active intermediates; for example,
is a branching reaction since one active intermediate (H) gives rise to two (OH and O).
PAC, 1981, 53, 753. (Symbolism and Terminology in Chemical Kinetics) on page 762 [Terms] [Paper]