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I do not understand what exactly are the negative Effects of U-232 in a U-233 based Fission-Bomb. U-232 has a comparable low Neutron-Background and a comparable Fission-to-Capture-Ratio on fast Neutrons and U-232 has by itself a comparable (to U-233) low critical mass. What exactly is the Problem with U-232 in a Fission-Bomb? I do not mean the Handling-Problems based on its short Half-Life and the Gamma-Radiation by Tl-208. The same Question is pending for Pu-238. Pu-238 has also a low Neutron-Background and a comparable Fission-to-Capture-Ratio on fast Neutrons and Pu-238 has by itself an even lower (compared with Pu-239) critical mass.
Erik --
2003:86:677F:94B7:DA3:37C7:E1DE:6DA1 (
talk)
12:28, 18 August 2016 (UTC)
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@ Burzuchius: Although I was previously unaware of the sources you added, they also give the 40-minute half-life for uranium-241 as a theoretical calculation and not an experimental value. I originally included the 4-minute value from NUBASE to keep consistency with other non-experimental data in the article, though I'm content to omit the half-life altogether until an experimental one gets published. What do you think? Complex/ Rational 19:56, 5 April 2023 (UTC)
Upon reading one of the sources in Cluster decay, I discovered an account of an experiment that discovered a previously-undocumented CD mode in 230U; this is mentioned in NUBASE 2020, but was not mentioned in the article. Also missing is a CD mode for 235U and a second isomer that undergoes spontaneous fission. – LaundryPizza03 ( d c̄) 05:23, 15 December 2023 (UTC)
The cluster decay of 230U is the only known case where the emitted nucleus (here 22Ne) is stable. 129.104.241.214 ( talk) 22:16, 11 January 2024 (UTC)
I edited out an astonishing amount of unnecessary verbiage from this article, particularly the section "Uranium-234". Okay? Solomonfromfinland ( talk) 05:53, 29 March 2024 (UTC)
The alpha branching ratio of 240U is calculated as <10-16%, corresponding to an alpha half-life of >1.6×1015 years. 129.104.241.193 ( talk) 16:52, 6 May 2024 (UTC)