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衰变产物

维基百科,自由的百科全书
212至208的衰變鏈

原子核物理學中,衰變產物(也稱子核種子同位素)是指一個放射性核種經過輻射衰變後形成的新核種。輻射衰變通常涉及一連串的衰變過程(稱衰變鏈)。例如,鈾-238(U-238)衰變成釷-234(Th-234),釷-234(Th-234)再衰變成鏷234(Pa-234),而鏷-234(Pa-234)再衰變成…,最終衰變成穩定的鉛-206(Pb-206):

在這例子中,

  • 釷-234,鏷-234m,…,鉛-206是鈾-238的衰變產物;
  • 釷-234是鈾-238的子同位素;
  • 鏷-234m (234 metastable)是鈾-238的[至孫同位素][?]。

These might also be referred to as the daughter products of U-238.[1]

參考資料

  1. ^ Glossary of Volume 7页面存档备份,存于互联网档案馆) (Depleted Uranium — authors: Naomi H. Harley, Ernest C. Foulkes, Lee H. Hilborne, Arlene Hudson, and C. Ross Anthony) of A review of the scientific literature as it pertains to gulf war illnesses.