Light dark matter refers to a class of hypothetical dark matter candidates that have a relatively low mass compared to traditional dark matter models like Weakly Interacting Massive Particles (WIMPs). While WIMPs are typically on the scale of hundreds of GeV (giga-electronvolts), light dark matter candidates can have masses that are much smaller, often in the range of a few MeV (mega-electronvolts) to a few GeV.
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