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Microwave study of the rotational spectrum of oxygen molecule in the range up to 1.12 THz

✍ Scribed by G.Yu Golubiatnikov; A.F Krupnov

Book ID
104151732
Publisher
Elsevier Science
Year
2003
Tongue
English
Weight
128 KB
Volume
217
Category
Article
ISSN
0022-2852

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✦ Synopsis

Microwave study of the rotational transitions of oxygen molecule 16 O 2 in its electronic and vibrational ground states is reported. Eight transitions belonging to N ΒΌ 3-1, N ΒΌ 5-3, and N ΒΌ 7-5 groups were investigated. Central line frequencies and pressure broadening parameters for O 2 and N 2 as perturbers were determined. The highest frequency of measured transition Γ°N ; J Þ ΒΌ Γ°7; 6Þ-Γ°5; 6Þ has been 1.12 THz. Spectrometer with backward wave oscillator (BWO) and acoustic detector (RAD) was used. Since this experiment has more than doubled the number of previously measured rotational lines of oxygen molecule and better accuracy was achieved, the fitting of new set of rotational transition frequencies has been performed and new more accurate molecular constants for 16 O 2 in X 3 R Γ€ g , v ΒΌ 0 state have been obtained.

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