TY - GEN AU - Rodríguez Chala, Mikael AU - Li, Xue Zeng PY - 2024 UR - https://hdl.handle.net/10481/92411 AB - We discuss the structure of the mixing among dimension-eight operators in the Standard Model effective field theory relying on the positivity of two-to-two forward scattering amplitudes. We uncover tens of new nontrivial zeros as well as hundreds of... LA - eng PB - American Physical Society TI - Positivity restrictions on the mixing of dimension-eight SMEFT operators DO - 10.1103/PhysRevD.109.065015 ER -