Sprengers J P, Reinhold E, Ubachs W, Baldwin K G H, Lewis B R
Laser Centre, Department of Physics and Astronomy, Vrije Universiteit, Amsterdam, The Netherlands.
J Chem Phys. 2005 Oct 8;123(14):144315. doi: 10.1063/1.2062189.
Using ultrahigh-resolution 1 XUV+1 UV two-photon ionization laser spectroscopy, the F (3)Pi(u)<--X (1)Sigma(g) (+)(0,0) transition of N(2) has been optically observed for the first time, and the 3s sigma(g)F (3)Pi(u)(upsilon=0) Rydberg level fully characterized with rotational resolution. The experimental spectroscopic parameters and predissociation level widths suggest strong interactions between the F state and the 3p pi(u)G (3)Pi(u) Rydberg and C(') (3)Pi(u) valence states, analogous to those well known in the case of the isoconfigurational (1)Pi(u) states.
利用超高分辨率的1个极紫外+1个紫外双光子电离激光光谱，首次对N₂的F (3)Pi(u)<--X (1)Sigma(g) (+)(0,0)跃迁进行了光学观测，并以转动分辨率对3s sigma(g)F (3)Pi(u)(υ = 0)里德堡能级进行了全面表征。实验光谱参数和预解离能级宽度表明F态与3p pi(u)G (3)Pi(u)里德堡态和C(') (3)Pi(u)价态之间存在强相互作用，类似于等构型(1)Pi(u)态的情况。
