Spin is an intrinsic quantum property associated with each particle, which is characteristic of the nature of the particle, just like its mass and its electric charge . It allows us to characterize the behavior of the particle under the effect of its rotational symmetry in space.

Fascinating insight into the quantum realm! Spin truly plays a crucial role in defining the characteristics of particles. The interplay between spin and rotational symmetry is truly remarkable in understanding particle behavior. 🌌🌀 