title: A coupled-channel model of the 3Pi(u) states of N2: structure and interactions of the 3ssigma(g)F3 3Pi(u) and 3ppi(u)G3 3Pi(u) Rydberg states.
abstract: New and existing spectroscopic data on N(2), obtained using a wide variety of experimental techniques, are interpreted using a coupled-channel Schrodinger-equation (CSE) model of the structure and predissociation dynamics for the interacting Rydberg and valence states of (3)Pi(u) symmetry. As a result, v>0 levels of the 3ppi(u)G(3) (3)Pi(u) Rydberg state are assigned correctly for the first time, leading to the identification of very strong perturbations in the G(3)-state vibrational structure. A four-channel CSE model, which includes the 3ssigma(g)F(3) (3)Pi(u) and 3ppi(u)G(3) (3)Pi(u) Rydberg states and the C(') (3)Pi(u) and C (3)Pi(u) valence states, indicates strong Rydberg-Rydberg coupling between the F(3) and G(3) states, strong Rydberg-valence coupling between the G(3) and C(') states, and weaker coupling between the F(3) and C(') states.
authors.affiliation: Research School of Physical Sciences and Engineering, The Australian National University, Canberra, Australian Capital Territory 0200, Australia. brenton.lewis@anu.edu.au
authors.forename: B R
authors.initials: BR
authors.lastname: Lewis
authors.forename: A N
authors.initials: AN
authors.lastname: Heays
authors.forename: S T
authors.initials: ST
authors.lastname: Gibson
authors.forename: H
authors.initials: H
authors.lastname: Lefebvre-Brion
authors.forename: R
authors.initials: R
authors.lastname: Lefebvre