Fuks, B. et al. (2021). Positivity in electron-positron scattering: testing the axiomatic quantum field theory principles and probing the existence of UV states *CZ is supported by IHEP (Y7515540U1) and National Natural Science Foundation of China (NSFC) (12035008). SYZ acknowledges support from the starting grants from University of Science and Technology of China (KY2030000089, GG2030040375) and is also supported by NSFC (12075233, 11947301, 12047502) and supported by the Fundamental Research Funds for the Central Universities (WK2030000036). This work has been supported by the FCPPL France China Particle Physics Laboratory of the IN2P3/CNRS. Chinese physics C. p. . [Online].