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Nonlinear Growth of Density Contrast and Formation of Galaxies in a Neutrino-Dominated Universe

โœ Scribed by Ikeuchi, S.; Umemura, M.

Book ID
118136138
Publisher
Institute of Pure and Applied Physics
Year
1984
Tongue
English
Weight
973 KB
Volume
72
Category
Article
ISSN
0033-068X

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The cross section for the process veรท~ e -~-3y is calculated in the low-energy approximation, assuming a universal Fermi interaction. It is found that cr ~ 9.5 ร— 10 -60 ((o/m) 1ยฐ cm-" in the c.m. system of the (v, ~)-pair If it is assumed that the universe contains degenerate Fermi gases of both ne