2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/51071Based on the twisted R-R tadpole cancellation conditions at the singularities of D=4 Type IIB orbifold $T^6/ Z_3$, we propose a new bottom-up approach to embed standard model with three generations into string theory.High Energy Physics - TheoryStandard-like Model from D=4 Type IIB Orbifoldstext