In particle physics, the acronym WISP refers to a largely hypothetical weakly interacting sub-eV particle, or weakly interacting slender particle, or weakly interacting slim particle – low-mass particles which rarely interact with conventional particles. The term is used to generally categorize a type of dark matter candidate, and is essentially synonymous with axion-like particle (ALP).
In particle physics, the acronym WISP refers to a largely hypothetical weakly interacting sub-eV particle, or weakly interacting slender particle, or weakly interacting slim particle – low-mass particles which rarely interact with conventional particles. The term is used to generally categorize a type of dark matter candidate, and is essentially synonymous with axion-like particle (ALP).
Source: Wikipedia "WISP (particle physics)" · CC BY-SA 4.0
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