| 释义 |
parity selection rules parity selection rules[′par·əd·ē si′lek·shən ‚rülz] (quantum mechanics) Rules which specify whether or not a change in parity occurs during a given type of transition of an atom, molecule, or nucleus; for example, the Laporte selection rule, or the rule that there is no parity change in an allowed β-decay transition of a nucleus. |