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The Big Bands of H2 O

Alex Green and Ady Mann
Radiation Research
Vol. 112, No. 1 (Oct., 1987), pp. 11-20
DOI: 10.2307/3577072
Stable URL: http://www.jstor.org/stable/3577072
Page Count: 10
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The Big Bands of  H2 O
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Abstract

Using input data drawn from many scientific disciplines, we show that there is one big (most intense) vibrational band of H2 O for each polyad of bands characterized by $N=2v_{1}+v_{2}+2v_{3}$. Thus the important gas-phase vibrational energy levels and the intensities for excitation from the ground vibrational state can be characterized by simple analytic functions of a single quantum number N in place of the usual three vibrational quantum numbers $v_{1},\ v_{2}$, and v3. These functions also apply to liquid H2 O excitations with slightly altered parameters and probably to the solid state. These correlations should permit us to utilize gas-phase charged-particle energy degradation techniques to study the thermalization of low-energy electrons in liquid water which arise as secondary, tertiary, etc., particles from any type of primary ionizing radiation. Liquid water is a useful surrogate of biological matter, and an understanding of the thermalization of low-energy electrons in water should help achieve a fundamental understanding of the biological effects of ionizing radiation.

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