Dubnium Isotopic Data
Isotope |
Isotopic Mass amu |
% Abundance |
T1/2 |
T1/2 Units |
Mass Excess KeV |
Binding Energy Per Nucleon KeV |
Decay Mode |
Branching Ratio |
255Db | 255.10740 (45) |
| 1.7 | s | 100,040 (420) | 7,357 (2) | A ? |
|
256Db | 256.10813 (31) |
| 1.9 | s | 100,720 (290) | 7,357 (1) | A | ? |
257Db | 257.10772 (24) |
| 1.53 | s | 100,340 (220) | 7,361 (1) | A>94 |
|
258Db | 258.10923 (37) |
| 4.5 | s | 101,750 (340) | 7,359 (1) | A | 64 7 |
259Db | 259.10961 (23) |
| 510 | ms | 102,100 (210) | 7,360 (1) | A | 100 |
260Db | 260.11130 (25) |
| 1.52 | s | 103,680 (230) | 7,357 (1) | A GE 90.4 6 |
|
261Db | 261.11206 (25) |
| 1.8 | s | 104,380 (230) | 7,357 (1) | A>82 |
|
262Db | 262.11408 (20) |
| 35 | s | 106,270 (180) | 7,352 (1) | A~67 |
|
263Db | 263.11499 (18) |
| 29 | s | 107,110 (170) | 7,352 (1) | SF | 56 14 |
264Db | 264.11740 (25) |
| 3 | m | 109,360 (230) | 7,346 (1) | A ? |
|
265Db | 265.11860 (30) |
| 15 | m | 110,480 (280) | 7,344 (1) | A ? |
|
266Db | 266.12103 (39) |
| 20 | m | 112,740 (360) | 7,339 (1) | A ? |
|
267Db | 267.12238 (50) |
| 2 | h | 113,990 (470) | 7,337 (2) | A ? |
|
268Db | 268.12545 (57) |
| 6 | h | 116,850 (530) | 7,329 (2) | A ? |
|
269Db | 269.12746 (83) |
| 3 | h | 118,730 (770) | 7,325 (3) | A ? |
|
270Db | 270.13071 (77) |
| 1 | h | 121,760 (720) | 7,316 (3) | A ? |
|
257mDb | 257.10772 (24) |
| 790 | ms | 100,340 (220) | 7,361 (1) | A>87 |
|
258mDb | 258.10923 (37) |
| 20 | s | 101,750 (340) | 7,359 (1) | B+~100 |
|
260mDb | 260.11130 (25) |
|
|
| 103,680 (230) | 7,357 (1) | 0 |
|
262mDb | 262.11408 (20) |
|
|
| 106,270 (180) | 7,352 (1) | A ? | |
263mDb | 263.11499 (18) |
|
|
| 107,110 (170) | 7,352 (1) | 0 |
|
Data Source: ENSDF March 2005
©Radiochemistry Society 2005