A hint towards mass dimension one Flag-dipole spinors R. J. Bueno Rogerio, C. H. Coronado Villalobos and A. R. Aguirre Eur. Phys. J. C, 79 12 (2019) 991 Published online: 07 December 2019 DOI: 10.1140/epjc/s10052-019-7518-5