Statistical Mechanics · Problem 6.24

Ideal Bose Systems — R. K. Pathria

Physics — Statistical Mechanics · oxygen-atom-fine-structure-populations

Problem

The ground state of an oxygen atom is a triplet, with the following fine structure: εJ=2=εJ=1−158.5 cm−1=εJ=0−226.5 cm−1.\varepsilon_{J=2} = \varepsilon_{J=1} - 158.5\text{ cm}^{-1} = \varepsilon_{J=0} - 226.5\text{ cm}^{-1}. Calculate the relative fractions of the atoms occupying different JJ-levels in a sample of atomic oxygen at 300 K.

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