Supersymmetry introduces new particles to theories from "summary" of The Quantum Theory of Fields by Steven Weinberg,Weinberg S
Supersymmetry is a theoretical framework that has been proposed as an extension of the standard model of particle physics. One of the key features of supersymmetry is that it introduces new particles to theories. These new particles, known as superpartners, are associated with the existing particles in the standard model. In supersymmetric theories, every known particle in the standard model has a corresponding superpartner. For example, the electron has a superpartner called the selectron, the quark has a superpartner called the squark, and so on. These superpartners are predicted to have the same properties as their corresponding particles, such as mass and charge, but differ by half a unit of spin. The introduction of superpartners in supersymmetric theories has several important implications. One of the most...
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