Reassigning the CaH+ 11Σ → 21Σ vibronic transition with CaD+
Abstract
We observe vibronic transitions in CaD+ between the 11Σ and 21Σ electronic states by resonance enhanced multiphoton photodissociation spectroscopy in a Coulomb crystal. The vibronic transitions are compared with previous measurements on CaH+. The result is a revised assignment of the CaH+ vibronic levels and a disagreement with multi-state-complete-active-space second-order perturbation theory theoretical calculations by approximately 700 cm−1. Updated high-level coupled-cluster calculations that include core-valence correlations reduce the disagreement between theory and experiment to 300 cm−1.
Document Details
- Document Type
- Pub Defense Publication
- Publication Date
- Dec 06, 2017
- Source ID
- 10.1063/1.5016556
Entities
People
- A. T. Calvin
- David Sherrill
- G. Shu
- J. Condoluci
- Kenton R. Brown
- R. Rugango
- S. Janardan
Organizations
- Army Research Office
- Georgia Tech
- National Science Foundation