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Direct absorption measurement of the spin—orbit splitting of the ground state in atomic fluorine

✍ Scribed by Glenn A. Laguna; Willard H. Beattie

Publisher
Elsevier Science
Year
1982
Tongue
English
Weight
212 KB
Volume
88
Category
Article
ISSN
0009-2614

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✦ Synopsis

We have measured the three hyperfme components of the spin-orbit spht ("P,,, -2P,,) ground state m atomtc $luorine by d&e laser absorption spectroscopy. The measurement improves the accuracy of the two lmes prevrously reported (404.175 and 403969 cm-'), wrth the thud line at 404.210 cm-'. This eonfirms the spacmg of the hyperfie components measured by EPR, and estabbshes diode laser absorption as a viable techmquc for delermimng F-atom concentrattons

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The spin-orbit excited 2113,2 manifold of " BAriX 'II) was observed in a free jet supersonic expansion by laser fluorescence excitation in the B ax'-X 'II (7, 0) band. In previous work we observed transitions from the lower 'II ,,?\_ manifold. The spin-orbit constant A was determined to equal 10.88