Dubnium-257m

• α→Lawrencium-253>87%
• SF<13%
• β⁺→Rutherfordium-257

Decay chain

1. DbDubnium-257Z 105 · N 152670.0 ms
2. α>87%
   LrLawrencium-253Z 103 · N 150632.0 ms
3. α90%
   MdMendelevium-249Z 101 · N 14825.6 s
4. α75%
   EsEinsteinium-245Z 99 · N 1461.11 m
5. β⁺51%
   CfCalifornium-245Z 98 · N 14745.0 m
6. β⁺64.7%
   BkBerkelium-245Z 97 · N 1484.95 d
7. EC99.88%
   CmCurium-245Z 96 · N 1498.25 ky
8. α~100%
   PuPlutonium-241Z 94 · N 14714.33 y
9. β⁻~100%
   AmAmericium-241Z 95 · N 146432.6 y
10. α~100%
    NpNeptunium-237Z 93 · N 1442.14 My
11. α~100%
    PaProtactinium-233Z 91 · N 14226.98 d
12. β⁻100%
    UUranium-233Z 92 · N 141159.19 ky
13. α~100%
    ThThorium-229Z 90 · N 1397.92 ky
14. α100%
    RaRadium-225Z 88 · N 13714.82 d
15. β⁻100%
    AcActinium-225Z 89 · N 1369.92 d
16. α~100%
    FrFrancium-221Z 87 · N 1344.8 m
17. α~100%
    AtAstatine-217Z 85 · N 13232.6 ms
18. α99.992%
    BiBismuth-213Z 83 · N 13045.6 m
19. β⁻97.91%
    PoPolonium-213Z 84 · N 1293.71 µs
20. α100%
    PbLead-209Z 82 · N 1273.24 h
21. β⁻100%
    BiBismuth-209Z 83 · N 12620.1 Ey
22. α100%
    TlThallium-205Z 81 · N 124Stable