OLEGARIO, P. W. V.; http://lattes.cnpq.br/3066224597689395; OLEGÁRIO, Pablo Wagner Vasconcelos. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2014-09-05)
It is a consensus that the Standard Model is not the last word in particle theory elentares
because it does not answer several pertinent questions, which we can exemplify: quantization of charge, mass for neutrinos, number ...