Journal
PHYSICAL REVIEW A
Volume 78, Issue 6, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.78.062510
Keywords
argon; atomic moments; fine structure; g-factor; microwave spectra; polarisability; positive ions; quadrupole moments; Rydberg states
Categories
Funding
- Chemical Sciences, Geosciences, and Biosciences Division of the Office of Basic Energy Sciences
- Office of Science, U. S. Department of Energy
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Twenty-one fine-structure intervals between n=10 argon Rydberg levels with L >= 5 were measured using microwave spectroscopy, determining the relative positions of all twenty levels with sub-MHz precision. Analysis of the measured pattern using the effective potential model yields determinations of the quadrupole moment, scalar and tensor dipole polarizability, and g factor for the P-2(3/2) ground state of Ar+: Q=-0.520 83(2)ea(0)(2), alpha(d,0)=6.807(2)a(0)(3), alpha(d,2)=0.077(2)a(0)(3), g(J)=1.335(17).
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