鐒的同位素

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同位素

圖表[编辑]

符號 Z(p N(n 同位素質量(u 半衰期 衰變
方式
[1][n 1]
衰變
產物
原子核
自旋
激發能量
252Lr[n 2] 103 149 252.09526(26)# 390(90) ms
[0.36(+11−7) s]
α (90%) 248Md
β+ (10%) 252No
SF (1%) (various)
253Lr[n 3] 103 150 253.09509(22)# 580(70) ms
[0.57(+7−6) s]
α (90%) 249Md (7/2−)
SF (9%) (various)
β+ (1%) 253No
253mLr[n 3] 30(100)# keV 1.5(3) s
[1.5(+3−2) s]
(1/2−)
254Lr[n 4] 103 151 254.09648(32)# 13(3) s α (78%) 250Md
β+ (22%) 254No
SF (.1%) (various)
255Lr 103 152 255.096562(19) 22(4) s α (69%) 251Md 7/2−#
β+ (30%) 255No
SF (1%) (various)
256Lr 103 153 256.09849(9) 27(3) s α (80%) 252Md
β+ (20%) 256No
SF (.01%) (various)
257Lr 103 154 257.09942(5)# 646(25) ms α (99.99%) 253Md 9/2+#
β+ (.01%) 257No
SF (.001%) (various)
258Lr 103 155 258.10176(11)# 4.1(3) s α (95%) 254Md
β+ (5%) 258No
259Lr 103 156 259.10290(8)# 6.2(3) s α (77%) 255Md 9/2+#
SF (23%) (various)
β+ (.5%) 259No
260Lr 103 157 260.10551(13)# 2.7 min α (75%) 256Md
β+ (15%) 260No
SF (10%) (various)
261Lr 103 158 261.10688(22)# 44 min SF (various)
α (不常見) 257Md
262Lr 103 159 262.10961(22)# 216 min β+ 262No
α (不常見) 258Md
263Lr 103 160 263.11136(30)# 5# h α 259Md
264Lr 103 161 264.11420(47)# 10# h α 260Md
265Lr 103 162 265.11619(65)# 10# h α 261Md
266Lr[n 5] 103 163 266.11983(56)# 11 h SF (various)

備註:畫上#號的數據代表沒有經過實驗的證明,只是理論推測而已,而用括號括起來的代表數據不確定性。

同位素列表
锘的同位素 鐒的同位素 鑪的同位素

註釋[编辑]

  1. ^ Abbreviations:
    SF: Spontaneous fission
  2. ^ Not directly synthesized, occurs as a decay product of 256Db
  3. ^ 3.0 3.1 Not directly synthesized, occurs as a decay product of 257Db
  4. ^ Not directly synthesized, occurs as a decay product of 258Db
  5. ^ Not directly synthesized, occurs as a decay product of 294Uus

参考文獻[编辑]

  1. ^ Universal Nuclide Chart. nucleonica. (需要註冊 (說明)).