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Why can't high-level nuclear waste be disposed of by bombarding troublesome isotopes with neutrons, protons and gamma rays (photodisintegration)?

Why can't isotopes with long half-lives be radiated with free protons, neutron radiation and gamma rays (photodisintegration) in order to transmutate those isotopes into something either stable (or ...
Kurt Hikes's user avatar
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Nucleosynthesis of tantalum-isomer $^{180{\rm m1}}{\rm Ta}$

How does nucleosynthesis explain the creation of tantalum-isomer $^{180{\rm m1}}{\rm Ta}$? Or what is the best theory to explain the existence of this? It must be noted that the tantalum-isotope $^{...
Jokela's user avatar
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