Highly precise variational calculations of nonrelativistic energies of the $\left(2p^2\right){}^{3}P^e$ state of the helium atom are presented. We get an upper bound energy $E=-0.7105\mathrm{001\hspace{0.17em}556}5678\mathrm{a.u.}$, the lowest yet obtained.

• Received 17 March 2004

DOI:https://doi.org/10.1103/PhysRevA.69.064501