A Simple Way of Calculating Cosmological Relic Density

Abstract

A simple procedure is presented which leads to a dramatic simplification in the calculation of the relic density of stable particles in the Universe.

Comments: 7 pages in LaTex, no figures; University of Michigan preprint UM-TH-94-02 (February 1994). Changes: a coefficient in $b^0$ (Eq. 16) corrected; added Acknowledgements and revised Note Added; plain LaTex only (no need to use RevTex)