# THE $4^{3} \Delta_{g}$ STATE IN $K_{2}$ - INVESTIGATING A POSSIBLE GATEWAY TO CORE NON-PENETRATING RYDBERG STATES

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 Title: THE $4^{3} \Delta_{g}$ STATE IN $K_{2}$ - INVESTIGATING A POSSIBLE GATEWAY TO CORE NON-PENETRATING RYDBERG STATES Creators: Magnes, Jenny M.; Lyyra, A. M.; Ahmed, E.; Liu, Yaoming; Li, Li; Magnier, S.; Frecon, Monique Issue Date: 2004 Abstract: Core non-penetrating Rydberg states can give useful information on the electronic structure of the ion core; however, core non-penetrating states are difficult to observe since these states hardly penetrate the more accessible ion core and the electronic angular momentum quantum number, l, is large, for the core non-penetrating states thus the transition dipole moment to the core non-penetrating states is small. The core penetrating $4^{3} \Delta_{g}$ state (atomic limit: $4s+5d$) and the core non-penetrating $3^{3}\Delta_{g}$ state (atomic limit: $4s+4f$) perturb each other since they have the same symmetry and overlapping energy states thus creating the possibility of a gateway to other core non-penetrating states. URI: http://hdl.handle.net/1811/21289 Other Identifiers: 2004-RE-05