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Zeeman Tuning Rates forQ-Branch Transitions in the ν3Band of NO2

✍ Scribed by Christopher R. Mahon; Charles Chackerian Jr.

Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
182 KB
Volume
189
Category
Article
ISSN
0022-2852

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✦ Synopsis

Zeeman tuning rates have been measured for Q-branch transitions in the n 3 band of NO 2 ( Ç1610 cm 01 ) for magnetic fields of up to 564 Gauss. The average measured tuning rate is 0.1815 ( 53 ) 1 10 03 cm 01 / Gauss with no dependence on K a within the É3% standard deviation. Despite significant spin -rotation interaction between several of the observed levels the result agrees with the simple linear model for Hunds case (b ) molecules ( tuning rate Å 2m o g s Å 0.18696 1 10 03 cm 01 / G ) , which neglects the spin -rotation interaction between different J states. The Zeeman effect is analyzed in a full treatment of the Hamiltonian, including spin -rotation interaction, in order to account for the agreement with 2m o g s and to explore the onset of spin -rotation effects in the spectra as the magnetic field is increased.

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