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Information theory of the lineshape for collision-induced absorption: Nitrogen gas

✍ Scribed by C.G. Joslin; C.G. Gray

Publisher
Elsevier Science
Year
1984
Tongue
English
Weight
491 KB
Volume
107
Category
Article
ISSN
0009-2614

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✦ Synopsis

We present a simple theory of the far-infrared collision-induced absorption spectrum of nitrogen gs. Assuming a quadrupolarinduction mechanism and neggecting the small anisotropy in the Nz pair potential, UT represent the spectral profde as theconvolution of a free-rotalion spectrum with a translational compsnent. Information theory is used to estimate the "least biased" form for the latter, based on our knowledge of its spectral moments.

Our theory conwins no adjustable paraaeten, yet yields results in excellent agreement with experiment over a \x*ide range of temperatures.

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