Aluminium-26 (26Al)
Aluminium-26 (26Al) is a rare long-lived radio-isotope of Aluminium. Aluminium-26 is called a cosmogenic nuclide, because it is created by energetic cosmic rays impacting matter in a fission reaction, called spallation.
half-life (λ) | 730,000y |
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Protons | 13 |
Neutrons | 13 |