K2 (4S-6D) ; 1,3Pg,u

C5 C6 Ref.
9.5212[2] 8.0870[5] M. Marinescu and A. F. Starace, Phys. Rev. A 56, 4321 (1997)
n/a 1.01(0.07)[6] H. Wang, X. T. Wang, P. L. Gould, and W. C. Stwalley, Phys. Rev. Lett. 78, 4173 (1997)