Exchange Cross Sections for Hard Binaries
Douglas C. Heggie, Piet Hut, Steven L. W. McMillan
Abstract
We present results on the exchange cross section for the interaction between a hard binary and a field of single stars, for arbitrary masses. The results are based partly on extensive numerical scattering experiments, and partly on analytic estimates of the mass-dependence of the cross section. They can be used to estimate the rate of exchange in an arbitrary mixture of masses, provided that the binary is hard.
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