superpartner

In particle physics, supersymmetry is a theoretical framework proposing a relationship between fermions (particles with half-integer spin) and bosons (particles with integer spin). This symmetry suggests that every known fundamental particle has a "superpartner" with the opposite spin type. For example, electrons (fermions) would have a bosonic partner called a selectron, and photons (bosons) would have a fermionic partner called a photino.

The concept of supersymmetry was developed to address inconsistencies in existing models and to unify fundamental forces. It is a key component of theories like supergravity and string theory. While supersymmetry predicts these superpartners, there is currently no experimental evidence confirming their existence.1234