TY  - JOUR
T1  - Implosion Nuclear Weapons with 60%-Enriched Uranium
AU  - Matt Caplan
PY  - 2025
T2  - Science & Global Security
SP  - 89
EP  - 101
VL  - 33
IS  - 1-3
N2  - This work considers the direct use of 60%-enriched uranium in pure fission nuclear weapons. From numerical simulations and simple analytics this work shows that substituting a weapons-grade core for a 60%-enriched core reduces the yield by a factor of 4 to 5 that is fairly insensitive to classified design details. A weapon designed to achieve a nominal 10?kt yield using weapons-grade uranium could therefore still produce a modest yield of 2-3 kt using a core of lower enrichment.
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