Manifestation of heavy 3/2-spin lepton in large-angle $e^{+}{e}^{-}\to \gamma \gamma$ reaction at high energies

G. I. Gakh, M. I. Konchatnij, N. P. Merenkov +1

Manifestation of the heavy 3/2-spin lepton $(h^{\pm })$, as possible virtual intermediate state in Feynmann diagrams, have been searched in the $e^{+}{e}^{-}\to \gamma \gamma$ reaction at high ene…