Saxion cosmology for thermalized gravitino dark matter
Abstract In all supersymmetric theories, gravitinos, with mass suppressed by the Planck scale, are an obvious candidate for dark matter; but if gravitinos ever reached thermal equilibrium, such dark matter is apparently either too abundant or too hot, and is excluded. However, in theories with an ax...
Main Authors: | , , , |
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Format: | Article |
Language: | English |
Published: |
SpringerOpen
2017-07-01
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Series: | Journal of High Energy Physics |
Subjects: | |
Online Access: | http://link.springer.com/article/10.1007/JHEP07(2017)125 |