Mass spectra of one or two heavy quark mesons and diquarks within a nonrelativistic potential model

In this article, the mass spectra of mesons with one or two heavy quarks and their diquarks partners are estimated within a non-relativistic framework by solving Schr\"odinger equation an effective potential inspired symmetry preserving Poincar\'e covariant vector-vector contact interaction model quantum chromodynamics. Matrix Numerov method is implemented for purpose. our survey quarks, we fix parameter to masses ground-states then extend calculations radial excitations diquarks. The used in work gives results which good agreement experimental data other theoretical calculations.