👉 Princeton Light Particles, also known as Weakly Interacting Massless (WIM) particles, are hypothetical subatomic particles proposed to explain dark matter and play a crucial role in the Standard Model of particle physics. These particles are characterized by their extremely weak interaction with ordinary matter, primarily through the electromagnetic and weak nuclear forces, making them nearly invisible and difficult to detect. Unlike photons or gluons, which mediate fundamental forces directly, WIM particles interact so weakly that they rarely collide with detectors, explaining why they have eluded direct observation. Theoretical models suggest that these particles could be produced in the early universe and could account for the observed gravitational effects attributed to dark matter, such as the rotation curves of galaxies and the large-scale structure of the cosmos. Despite extensive experimental efforts using highly sensitive detectors deep underground to minimize background noise, no conclusive evidence for their existence has been found, but their study remains a vibrant area of research in particle physics and cosmology.