Molecular-beam optical Stark and Zeeman study of the A 2Π - X 2Σ+ (0,0) band system of BaF

Timothy Steimle, Sarah Frey, Anh Le, David Demille, David A. Rahmlow, Colan Linton

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14 Scopus citations

Abstract

The A2Π-X2Σ+ (0,0) band system of barium monofluoride (BaF) has been recorded using high-resolution laser-induced fluorescence spectroscopy both field-free and in the presence of static magnetic and electric fields. The field-free spectra for the Ba135F, Ba137F, and Ba138F isotopologues were modeled to generate an improved set of spectroscopic constants for the A2Π(υ=0) and X2Σ+(υ=0) states. The observed optical Stark shifts for the Ba138F isotopologue were analyzed to produce the permanent electric dipole moments of 1.50(2) and 1.31(2) D for the A2Π1/2(υ=0) and A2Π3/2 (υ=0) states, respectively. The observed optical Zeeman shifts for the Ba138F isotopologue were analyzed to produce a set of magnetic g factors for the A2Π(υ=0) and X2Σ+(υ=0) states.

Original languageEnglish (US)
Article number012508
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume84
Issue number1
DOIs
StatePublished - Jul 19 2011

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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