THE MINIMUM BINDING ENERGY AND SIZE OF DOUBLY MUONIC D₃ MOLECULE

The minimum energy and size of doubly muonic D₃ molecule, which two of the electrons are replaced by the much heavier muons, are calculated by the well-known variational method. The calculations show that the system possesses two minimum positions, one at typically muonic distance and the second at the atomic distance. It is shown that at the muonic distance, the effective charge, z_eff is 2.9. We assumed a symmetric planar vibrational model between two minima and an oscillation potential energy is approximated in this region.