Spectral lines broaden {lifetime broadening} by time {lifetime}| in excited state, because short lifetime means large energy. Lifetime can shorten by stimulated emission by other radiation or by electric-field vibration. Higher frequencies cause faster emission, because they have more energy available. Lifetime can shorten by collisions, because they carry energy away.
Physical Sciences>Chemistry>Analytical Chemistry>Spectroscopy
5-Chemistry-Analytical Chemistry-Spectroscopy
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Date Modified: 2022.0224