Observation of quadrupole and dipole diamagnetic shifts in atomic ground-state hyperfine structure

S. J. Lipson, G. D. Fletcher, D. J. Larson

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Abstract

A high-precision laser optical-pumping experiment on the S122 ground state of atomic rubidium in magnetic fields of up to 8 T has led to the first observation of a magnetically induced quadrupole hyperfine interaction, in both Rb85 and Rb87. The quadrupole coupling constant was measured to be 7.0(6) × 10-4 Hz T-2 in Rb85. The diamagnetic shift in dipole hyperfine structure was also measured in both Rb85 and Rb87. The fractional dipole shift was found to be independent of isotope with a value a=5.2(2)×10-10 T-2, confirming and extending previous results for Rb85 only.

Original languageEnglish (US)
Pages (from-to)567-570
Number of pages4
JournalPhysical Review Letters
Volume57
Issue number5
DOIs
StatePublished - Jan 1 1986

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All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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