Quick Facts 同位素, 衰變 ...
主要的銫同位素
同位素 衰變
豐度 半衰期 (t1/2) 方式 能量
MeV
產物
131Cs 人造 9.689  ε 0.358 131Xe
133Cs 100% 穩定,帶78粒中子
134Cs 人造 2.0650  ε 1.235 134Xe
β 2.059 134Ba
135Cs 痕量 1.33×106 [1][2] β 0.269 135Ba
137Cs 人造 30.04  β 0.514 137mBa
β 1.176 137Ba
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