דובניום
איזוטופים > רשימת האיזוטופים של דובניום

| גרעין | שנת גילוי | Z> אנרגיית עירור | N> אנרגיית עירור | מסת האיזוטופ (u)> אנרגיית עירור | מחצית חיים | דרך דעיכה | תוצר דעיכה | ספין או זוגיות |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
|  {\ce {^255Db}} | 2005 | 105 | 150 | 255.10707 |  37_{-14}^{+51}ms | α (~50%) |  {\ce {^251Lr}} |  |
|  {\ce {^255Db}} | 2005 | 105 | 150 | 255.10707 |  37_{-14}^{+51}ms | SF (~50%) | שונים |  |
|  {\ce {^256Db}} | 1983? 2000 | 105 | 151 | 256.10789 |  1.6_{-3}^{+5}s | α (~64%) |  {\ce {^252Lr}} |  |
|  {\ce {^256Db}} | 1983? 2000 | 105 | 151 | 256.10789 |  1.6_{-3}^{+5}s | SF (~0.02%) | שונים |  |
|  {\ce {^256Db}} | 1983? 2000 | 105 | 151 | 256.10789 |  1.6_{-3}^{+5}s | (36%~)  \beta ^{+} |  {\ce {^256Rf}} |  |
|  {\ce {^257Db}} | 1985 | 105 | 152 | 257.10758 |  1.50_{-15}^{+19}s | α (>94%) |  {\ce {^253Lr}} | (+9/2) |
|  {\ce {^257Db}} | 1985 | 105 | 152 | 257.10758 |  1.50_{-15}^{+19}s | SF (<6%) | שונים | (+9/2) |
|  {\ce {^257Db}} | 1985 | 105 | 152 | 257.10758 |  1.50_{-15}^{+19}s | (1%~)  \beta ^{+} |  {\ce {^257Rf}} | (+9/2) |
|  {\ce {^{257m}Db}} | 1985 |  140keV |  140keV |  140keV |  0.67s | α (>87%) |  {\ce {^253Lr}} | (-1/2) |
|  {\ce {^{257m}Db}} | 1985 |  140keV |  140keV |  140keV |  0.67s | SF (<13%) | שונים | (-1/2) |
|  {\ce {^{257m}Db}} | 1985 |  140keV |  140keV |  140keV |  0.67s | (1%~)  \beta ^{+} |  {\ce {^257Rf}} | (-1/2) |
|  {\ce {^258Db}} | 1976? 1981 | 105 | 153 | 258.10929 |  4.5s | α (~64%) |  {\ce {^254Lr}} |  |
|  {\ce {^258Db}} | 1976? 1981 | 105 | 153 | 258.10929 |  4.5s | SF (<1%) | שונים |  |
|  {\ce {^258Db}} | 1976? 1981 | 105 | 153 | 258.10929 |  4.5s | (36%~)  \beta ^{+} |  {\ce {^258Rf}} |  |
|  {\ce {^{258m}Db}} |  |  60keV |  60keV |  60keV |  1.9s |  \beta ^{+} |  {\ce {^258Rf}} |  |
|  {\ce {^{258m}Db}} |  |  60keV |  60keV |  60keV |  1.9s | (נדיר) IT |  {\ce {^258Db}} |  |
|  {\ce {^259Db}} | 2001 | 105 | 154 | 259.10949 |  0.51s | α |  {\ce {^255Lr}} |  |
|  {\ce {^260Db}} | 1970 | 105 | 155 | 260.1113 |  1.52s | α (>90.4%) |  {\ce {^256Lr}} |  |
|  {\ce {^260Db}} | 1970 | 105 | 155 | 260.1113 |  1.52s | SF (<9.6%) | שונים |  |
|  {\ce {^260Db}} | 1970 | 105 | 155 | 260.1113 |  1.52s | (2.5%>)  \beta ^{+} |  {\ce {^260Rf}} |  |
|  {\ce {^{260m}Db}} |  |  200keV |  200keV |  200keV |  19s |  |  |  |
|  {\ce {^{261}Db}} | 1971 | 105 | 156 | 261.11192 |  4.5s | α (27%) |  {\ce {^257Lr}} |  |
|  {\ce {^{261}Db}} | 1971 | 105 | 156 | 261.11192 |  4.5s | SF (73%) | שונים |  |
|  {\ce {^262Db}} | 1971 | 105 | 157 | 262.11407 |  35s | α (~30%) |  {\ce {^258Lr}} |  |
|  {\ce {^262Db}} | 1971 | 105 | 157 | 262.11407 |  35s | SF (~67%) | שונים |  |
|  {\ce {^262Db}} | 1971 | 105 | 157 | 262.11407 |  35s | (3%~)  \beta ^{+} |  {\ce {^262Rf}} |  |
|  {\ce {^263Db}} | 1971? 1990 | 105 | 158 | 263.11499 |  29s | α (~37%) |  {\ce {^259Lr}} |  |
|  {\ce {^263Db}} | 1971? 1990 | 105 | 158 | 263.11499 |  29s | SF (~56%) | שונים |  |
|  {\ce {^263Db}} | 1971? 1990 | 105 | 158 | 263.11499 |  29s | (6.9%~)  \beta ^{+} |  {\ce {^263Rf}} |  |
|  {\ce {^266Db}} | 2006 | 105 | 161 | 266.12103 |  80min | SF | שונים |  |
|  {\ce {^266Db}} | 2006 | 105 | 161 | 266.12103 |  80min | EC |  {\ce {^266Rf}} |  |
|  {\ce {^267Db}} | 2003 | 105 | 162 | 267.12247 |  4.6h | SF | שונים |  |
|  {\ce {^267Db}} | 2003 | 105 | 162 | 267.12247 |  4.6h | EC |  {\ce {^267Rf}} |  |
|  {\ce {^268Db}} | 2003 | 105 | 163 | 268.12567 |  30.8h | α |  {\ce {^264Lr}} |  |
|  {\ce {^268Db}} | 2003 | 105 | 163 | 268.12567 |  30.8h | SF (>99%) | שונים |  |
|  {\ce {^268Db}} | 2003 | 105 | 163 | 268.12567 |  30.8h | (1%>) EC |  {\ce {^268Rf}} |  |
|  {\ce {^270Db}} | 2009 | 105 | 165 | 270.13136 |  1_{-0.4}^{+1.5}h | α (~83%) |  {\ce {^266Lr}} |  |
|  {\ce {^270Db}} | 2009 | 105 | 165 | 270.13136 |  1_{-0.4}^{+1.5}h | SF (~17%) | שונים |  |
|  {\ce {^270Db}} | 2009 | 105 | 165 | 270.13136 |  1_{-0.4}^{+1.5}h | (1%>) EC |  {\ce {^270Rf}} |  |