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We investigate the statistics of the decay process in an equal‐mass three‐body problem with randomized initial conditions. Contrary to earlier expectations of similarity with ‘radioactive decay’, the lifetime distributions obtained in our numerical experiments turn out to be heavy‐tailed, i.e. the tails are not exponential but algebraic. The computed power‐law index for the differential distribution is within a narrow range, approximately from −1.7 to −1.4, depending on the virial coefficient. Possible applications of our results to studies of the dynamics of triple stars known to be at the edge of disruption are considered.

The disruption of three‐body gravitational systems: lifetime statistics