Weinberg–Witten theorem
= Weinberg–Witten theorem
{wiki=Weinberg–Witten_theorem}
The Weinberg–Witten theorem is a result in theoretical physics, specifically in the context of quantum field theory and general relativity. It was formulated by Steven Weinberg and Edward Witten and addresses the relationship between certain types of symmetries and the properties of particles. The theorem asserts that any massless particle with spin greater than 1 (i.e., a spin-2, spin-3, etc.