Optical Zeeman spectroscopy of calcium monohydride

Journal Article · Sun Jan 15 04:00:00 EST 2006 · Physical Review. A

DOI:https://doi.org/10.1103/PHYSREVA.73.0· OSTI ID:20786692

Chen, Jinhai; Gengler, Jamie; Steimle, T C; Brown, John M ^[1]

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1. Department of Chemistry and Biochemistry, Arizona State University, Tempe, Arizona 85287-1604 (United States)

The Zeeman effect in the ground and low-lying excited electronic states of calcium monohydride CaH has been experimentally investigated using optical Zeeman spectroscopy of the (0,0) band of the B{sup 2}{sigma}{sup +}-X{sup 2}{sigma}{sup +} and the (0,0) band of the A{sup 2}{pi}-X{sup 2}{sigma}{sup +} systems. The observed Zeeman-induced shifts and splittings of numerous branch features recorded near the natural linewidth limit were successfully modeled using a traditional effective Hamiltonian approach to account for the interaction between the (v=0) A{sup 2}{pi} and (v=0) B{sup 2}{sigma}{sup +} states and explicit inclusion of the interaction matrix elements for the heterogeneous perturbations between the (v=1) A{sup 2}{pi} and (v=0) B{sup 2}{sigma}{sup +} states. The determined magnetic g factors for the X{sup 2}{sigma}{sup +}, B{sup 2}{sigma}{sup +}, and A{sup 2}{pi} states are compared with previously assumed values and those predicted by perturbation theory.

• OSTI ID: 20786692
• Journal Information: Physical Review. A, Journal Name: Physical Review. A Journal Issue: 1 Vol. 73; ISSN 1050-2947; ISSN PLRAAN
• Country of Publication: United States
• Language: English

Related Subjects

74 ATOMIC AND MOLECULAR PHYSICS
ABSORPTION SPECTROSCOPY
CALCIUM HYDRIDES
DISTURBANCES
EXCITED STATES
GROUND STATES
HAMILTONIANS
LANDE FACTOR
MATRIX ELEMENTS
PERTURBATION THEORY
SPECTRAL SHIFT
ZEEMAN EFFECT