释义 |
multiplet intensity rules multiplet intensity rules[′məl·tə·plət in′ten·səd·ē ‚rülz] (spectroscopy) Rules for the relative intensities of spectral lines in a spin-orbit multiplet, stating that the sum of the intensities of all lines which start from a common initial level, or end on a common final level, is proportional to 2 J +1, where J is the total angular momentum of the initial level or final level respectively. |