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• |
I’m
no expert on this stuff (and in some
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sense
NO ONE is). Particle physicists
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play
in this area more than astronomers.
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• |
Leading
candidates include
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Axions. Cold, low mass, avoid strong CP
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violation.
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Neutrinos. Hot, low mass (getting better
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constrained),
lots of them. SN helps.
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WIMPs. Gravitino, photino, etc.
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Mirror
Matter.
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