Hassium Isotopic Data
Isotope |
Isotopic Mass amu |
% Abundance |
T1/2 |
T1/2 Units |
Mass Excess KeV |
Binding Energy Per Nucleon KeV |
Decay Mode |
Branching Ratio |
263Hs | 263.12856 (37) |
| 1 | ms | 119,750 (350) | 7,295 (1) | A | 100 |
264Hs | 264.128395 (47) |
| 540 | us | 119,599 (44) | 7,298.2 (1.7) | A~50 |
|
265Hs | 265.13009 (15) |
| 2.1 | ms | 121,170 (140) | 7,295 (1) | A~100 |
|
266Hs | 266.13010 (31) |
| 2.7 | ms | 121,190 (280) | 7,298 (1) | A | ? |
267Hs | 267.13179 (11) |
| 32 | ms | 122,760 (100) | 7,295 (0) | A | 100 |
268Hs | 268.13216 (44) |
| 2 | s | 123,110 (410) | 7,297 (2) | A ? |
|
269Hs | 269.13406 (12) |
| 27 | s | 124,870 (120) | 7,293 (0) | A | 100 |
270Hs | 270.13465 (31) |
| 30 | s | 125,430 (290) | 7,294 (1) | A | 100 |
271Hs | 271.13766 (36) |
| 40 | s | 128,230 (340) | 7,286 (1) | A ? |
|
272Hs | 272.13905 (62) |
| 40 | s | 129,530 (580) | 7,284 (2) | A ? |
|
273Hs | 273.14199 (88) |
| 50 | s | 132,260 (820) | 7,277 (3) | A ? |
|
274Hs | 274.14313 (70) |
| 1 | m | 133,330 (650) | 7,276 (2) | A ? |
|
275Hs | 275.14595 (77) |
| 30 | m | 135,950 (710) | 7,270 (3) | A ? |
|
276Hs | 276.14721 (88) |
| 1 | h | 137,120 (820) | 7,268 (3) | A ? |
|
277Hs | 277.14984 (78) |
| 40 | m | 139,580 (730) | 7,262 (3) | SF | 100 |
265mHs | 265.13009 (15) |
| 780 | us | 121,170 (140) | 7,295 (1) | A~100 |
|
267mHs | 267.13179 (11) |
| 200 | ms | 122,760 (100) | 7,295 (0) | A | ? |
263mHs | 263.12856 (37) |
|
|
| 119,750 (350) | 7,295 (1) | A ? |
|
Data Source: ENSDF March 2005
©Radiochemistry Society 2005