Notes

(1) A. D.Sakharov, Pis'ma Zh. Eksp. Teor. Fiz. 5, 32 (1967) [JETP Lett. 5, 24 (1967)]; M. Yoshimura, Phys. Rev. Lett. 41, 281 (1978), and 42, 746(E) (1979); S. Dimopoulos and L. Susskind, Phys. Rev. D 18, 4500 (1978), and Phys. Lett. 81B, 416 (1979); D. Toussaint, S. B. Treiman, F. Wilczek, and A. Zee, Phys. Rev. D 19, 1036 (1979); S. Weinberg, Phys. Rev. Lett. 42, 850 (1979).

(2) E. W. Kolb and S. Wolfram, Phys. Lett. 91B, 217 (1980), and Nucl. Phys. B172, 224 (1980).

(3) S. B. Treiman and F. Wilczek, Phys. Lett. 95B, 222 (1980).

(4) J. A. Harvey, E. W. Kolb, D. B. Reiss, and S. Wolfram, ``Cosmological Baryon Number Generation in Grand Unified Gauge Models,'' to be published.

(5) J. Ellis, M. K. Gaillard, and D. V. Nanopoulos, Phys. Lett. 80B, 360 (1979).

(6) S. Barr, G. Segre, and H. Weldon, Phys. Rev. D 20, 2494 (1979).

(7) In this notation the first entry is the SU(3) multiplicity, the second is the SU(2) multiplicity, and the last value is the weak hypercharge normalized so that the charge operator is given by

(8) D. V. Nanopoulos and S. Weinberg, Phys. Rev. D 20, 2484 (1979); P. H. Cox and A. Yildz, Phys. Rev. D 21, 906 (1980).

(9) G. Segre and M. S. Turner, University of Chicago Fermi Institute Report No. 80-43, 1980 (to be published).

(10) J. N. Fry, K. A. Olive, and M. S. Turner, Phys. Rev. Lett. 45, 2074 (1980), and Phys. Rev. D 22, 2953, 2977 (1980).

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