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2 votes
0 answers
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Lifetime of a WIMP [duplicate]

I have been watching videos of WIMP's and have a simple question.. The larger the particles, the shorter their lifetime. A top quark is so massive that it cannot form a "stable" bond with ...
Rick's user avatar
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1 vote
1 answer
201 views

Dark matter in the time window between freeze-out and kinetic decoupling

Background After the freeze-out, when all annihilations have stopped, the abundance ($Y=\frac{n}{s}$) of thermal dark matter species no longer changes with time. However, it is still kept in kinetic ...
SRS's user avatar
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4 votes
2 answers
2k views

Spin-dependent and spin-independent interactions of the dark matter

What is meant by spin-dependent and spin-independent interactions of the dark matter with the nuclei? How is the interaction between nucleus and DM modeled? What can we conclude if the DM-nuclei ...
SRS's user avatar
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