期刊
ASTROPHYSICAL JOURNAL
卷 889, 期 2, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.3847/1538-4357/ab6327
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-
资金
- National Science Foundation, Division of Astronomical Sciences [AST-1715049]
The experimentally measured radiative lifetimes and branching ratios were combined to determine the transition dipole moments for the B-2 Sigma+(v = 0-3) -> X-2 Sigma(+)(v = 0-6) bands of aluminum monoxide, AlO, and compared with theoretical predictions. The B-2 Sigma+-X-2 Sigma+ (0, 1) band of a molecular beam sample of AlO was recorded at high spectral resolution both field-free and in the presence of static electric and magnetic fields. The Al-27(I = 5/2) hyperfine interaction in the B-2 Sigma(+)(v = 0) state was analyzed. The observed Stark shifts were analyzed to produce permanent electric dipole moments of 1.94(8) D and 4.45(3) D for the B-2 Sigma(+)(v = 0) and X-2 Sigma(+)(v = 1) states, respectively. It is demonstrated that the observed Zeeman spectra can be simulated using an effective Hamiltonian with the associated expected g-factors for both the X-2 Sigma(+)(v = 1) and B-2 Sigma(+)(v = 0) states.
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