Lanthanum
Content created by REAL intelligence since 2016
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(Incomplete)
| Isotope | Abundance | T½ (s) | Decay |
| 117La | | | |
| 120La | | | |
| 121La | | | |
| 122La | | | |
| 123La | | | |
| 124La | | | |
| 125La | | | |
| 126La | | | |
| 127La | | | |
| 128La | | | |
| 129La | | | |
| 130La | | | |
| 131La | | | |
| 132La | | | |
| 133La | | | |
| 134La | | | |
| 135La | | | |
| 136La | | | |
| 137La | | | |
| 138La | 0.0888 % | | |
| 139La | 99.91119 % | Stable | - |
| 140La | | | |
| 141La | | | |
| 142La | | | |
| 143La | | | |
| 144La | | | |
| 145La | | | |
| 146La | | | |
| 147La | | | |
| 148La | | | |
| 149La | | | |
| 150La | | | |
| 151La | | | |
| 152La | | | |
| 153La | | | |
| 154La | | | |
| 155La | | | |
| 156La | | | |
| 157La | | | |
All data from [7].
| α: | alpha particle emission (4He nucleus) |
| β+: | emission of an anti-electron and a neutrino. A proton inside the nucleus is transformed into a neutron |
| β-: | emission of an electron and an anti-neutrino. A neutron inside the nucleus is transformed into a proton |
| ec: | electron capture: capture of one orbital electron by the the nucleus. A proton inside the nucleus is transformed into a neutron plus a neutrino |
| SF: | Spontaneous Fission: a nucleus spontaneously splits into fragment nuclides |
| IT: | Isomeric Transition: a level above the ground state decays via electromagnetic process |
| n: | neutron emission |
| p: | proton emission |
| β- n (and similar): | beta- decay followed by delayed neutron emission |
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