pielektronid
Pielektronid are a hypothetical class of elementary particles proposed in certain extensions of the Standard Model of particle physics. In these frameworks, a pielektronid is typically a spin-1/2 fermion that can carry electric or hidden-sector charges and interacts with ordinary matter through both Standard Model forces and a new, yet undetected interaction. The precise properties—mass, charge, and coupling strengths—vary by model, but common features include potential connections to hidden sectors via kinetic mixing or mediator bosons, and the possibility of either a light or heavy spectrum.
Some realizations predict millicharged pielektronids, while others posit neutral states coupled through a new gauge boson.
Experimental status and constraints: No conclusive evidence has yet emerged. Existing collider, precision, astrophysical, and cosmological
Role and outlook: If verified, pielektronid could illuminate portals to hidden sectors, contribute to dark matter
See also: millicharged particle, dark photon, beyond the Standard Model.