Ciftci, A. K.Ciftci, R.2023-06-162023-06-1620180008-42041208-6045https://doi.org/10.1139/cjp-2017-0783https://hdl.handle.net/20.500.14365/211633rd International Physics Conference of Turkish-Physical-Society (TPS) -- SEP 06-10, 2017 -- Konacik, TURKEYAn extension of the Standard Model (SM) fermion sector, which is inspired by the E-6 grand unified theory model, may be a good candidate to explain a number of unanswered questions in SM. Existence of the E-6 leptons may explain great mass difference of charged and neutral leptons. Also, democracy on mass matrix elements is a natural approach in SM. In this study, we have given general structure of democratic mass matrix of lepton sector in E-6 model.eninfo:eu-repo/semantics/closedAccessgrand unified theoryStandard Modeldemocratic mass matrixE-6leptonsConference Object10.1139/cjp-2017-07832-s2.0-85049552320