Delayed-detection measurement of atomic Na 3[ital p] [sup 2][ital P][sub 3/2] hyperfine structure using polarization quantum-beat spectroscopy
Journal Article
·
· Physical Review A; (United States)
- Physics Department, Old Dominion University, Norfolk, Virginia 23529 (United States)
- Physics Department, Central Michigan University, Mt. Pleasant, Michigan 48859 (United States)
A subnatural linewidth measurement of magnetic-dipole and electric-quadrupole hyperfine coupling constants in the atomic Na 3[ital p] [sup 2][ital P][sub 3/2] level are reported. The measurements are made using a pump--delayed-probe method, with delays ranging to 135 ns, more than eight times the natural lifetime of the 3[ital p] [sup 2][ital P][sub 3/2] level. A measurement of hyperfine-induced beats in the time evolution of the electronic alignment permitted determination of the hyperfine frequencies to well beyond the natural width in that level. Hyperfine coupling constants [ital A]=18.534(15) MHz and [ital B]=2.724(30) MHz are obtained, these being more than 2 times more precise than any previous determination of those quantities.
- OSTI ID:
- 6023499
- Journal Information:
- Physical Review A; (United States), Journal Name: Physical Review A; (United States) Vol. 48:3; ISSN PLRAAN; ISSN 1050-2947
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
664400* -- Experimentally Derived Information on Atomic & Molecular Properties-- (1992-)
74 ATOMIC AND MOLECULAR PHYSICS
ACCURACY
ALKALI METALS
DIPOLES
E2-TRANSITIONS
ELEMENTS
ENERGY-LEVEL TRANSITIONS
HYPERFINE STRUCTURE
LIFETIME
LINE WIDTHS
M1-TRANSITIONS
MAGNETIC DIPOLES
METALS
MULTIPOLE TRANSITIONS
MULTIPOLES
POLARIZATION
QUADRUPOLES
SODIUM
74 ATOMIC AND MOLECULAR PHYSICS
ACCURACY
ALKALI METALS
DIPOLES
E2-TRANSITIONS
ELEMENTS
ENERGY-LEVEL TRANSITIONS
HYPERFINE STRUCTURE
LIFETIME
LINE WIDTHS
M1-TRANSITIONS
MAGNETIC DIPOLES
METALS
MULTIPOLE TRANSITIONS
MULTIPOLES
POLARIZATION
QUADRUPOLES
SODIUM