Dubnium
Main article: Isotopes of dubnium
| Isotope | Half-life | Spin Parity | Mode(s) or Abundance |
|---|---|---|---|
| 255Db | 1.6 s | %α>47, %SF < 53 | |
| 256Db | 2.6 s | %SF < 40, %α ~ 70, %K ~ 10 sys | |
| 257Db | 1.3 s | %α=82, %SF=17, %K=1 sys | |
| 258Db | 4.4 s | %α=67 +5-9, %K=33 +9-5, %SF<34 | |
| 258m1Db | 20 s | %K ~ 100 | |
| 259Db | |||
| 260Db | 1.52 s | %α > 90.4, %SF ~ 9.6, %K<2.5 | |
| 261Db | 1.8 s | %α>50, %SF<50 | |
| 262Db | 34 s | %α ~ 64, %SF ~ 33, %K ~ 3 sys | |
| 263Db | 27 s | %SF=57, %α=43 |
Read more about this topic: Isotope Lists, 97+