Saturday, 2 January 2016

nuclear physics - Which nucleus is the most resilient against gamma-induced fission?


To state the title question perhaps more precisely:


What is the largest photon energy Eγ and the corresponding mass number A and atomic number Z of a suitable nucleus AZX (presumably in a ground state) such that the hypothetical reaction



AZX+γ(Aa)(Zz)Y+whatever remains (with combined charge+z)


is "kinematically" forbidden for any values 1a<A and ZzZ+aA,
while conforming to the standard model?


Edit
Changed the question title (removed the parenthetical qualification "whether otherwise stable or not"): for any unstable nucleus the stated question and condition is not meaningful and not relevant.




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