Spin-Statistic Selection Rules for Multiphoton Transitions: Application to Helium Atom

T. Zalialiutdinov, D. Solovyev, L. Labzowsky +1

A theoretical investigation of the three-photon transition rates $2^1{P}_1\to 2^1{S}_0,1^1{S}_0$ and $2^3{P}_2\to 2^1{S}_0,1^1{S}_0$ for the helium atom is presented. P…