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User talk:Belromain

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Welcome

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Welcome!

Hello, Belromain, and welcome to Wikipedia! Thank you for your contributions. I hope you like the place and decide to stay. Here are some pages that you might find helpful:

I hope you enjoy editing here and being a Wikipedian! Please sign your messages on discussion pages using four tildes (~~~~); this will automatically insert your username and the date. If you need help, check out Wikipedia:Questions, ask me on my talk page, or ask your question on this page and then place {{help me}} before the question. Again, welcome! Polyamorph (talk) 07:56, 3 November 2011 (UTC)[reply]


Definition of neutron flux

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Would you like to defend your definition at Talk:Neutron_flux?

--Sjjamsa (talk) 11:34, 2 January 2013 (UTC)[reply]

Cross-Sections of U238

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Your table gives the capture cross-section for fast neutrons as 0.07barn and the fission cross-section as 0.3barn. Maybe my understanding of these values is wrong, but it seems to me that this would mean that U238 would fission with ~80% probability with fast neutrons, whereas elsewhere on Wikipedia I read 10%. The 10% number looks more plausible, because 80% would make it pretty likely that you can reach a critical mass with unmoderated U238. Is my understanding of cross-sections wrong, or are the cross-section numbers for U238 in the table wrong?

Anton Ertl (talk) 18:22, 16 December 2021 (UTC)[reply]