单词 | mirror nucleus |
释义 | > as lemmasmirror nucleus mirror nucleus n. Nuclear Physics = mirror nuclide n. ΘΚΠ the world > matter > physics > atomic nucleus > radioactive isotope > radioactive nuclide > [noun] > mirroring another mirror nucleus1947 mirror nuclide1955 1947 H. A. Bethe Elem. Nucl. Theory ii. 7 If the binding energies of a pair of nuclei which differ only in the interchange of neutrons and protons are compared, a difference in binding energy which increases with the charge of the nuclei is found. Examples of such ‘mirror’ nuclei are: 1H32He3; 3Li74Be7;..14Si2915P29. 1962 H. D. Bush Atomic & Nucl. Physics vi. 127 Evidence for the equality of n–n and p–p forces is provided by certain positron emitters where the parent and product of the decay are mirror nuclei. 1995 Physics Lett. B. 345 349/1 B(GT) values for β− and β+ decays of mirror nuclei in the same isospin multiplet are identical. < as lemmas |
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