“natural width of energy level”的概念、定义、翻译、参考文献-科学参考

单词	natural width of energy level
释义	natural width of energy level [`nach·rǝl ¦width ǝv `en·ǝr·jē ´lev·ǝl] ^PHYSICS A measure of the spread in energy of an excited state of a quantized system due to spontaneous transitions to other states; quantitatively, it is the difference between the energies for which the intensity of emission from or absorption by the state, or of the scattering cross section associated with it, is one-half its maximum value, in the absence of any external influence on the system.
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