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How do weak interactions maintain thermal equilibrium in the early universe?

When reading about why SM neutrinos are not a candidate for DM, it was stated: "Neutrinos are involved in weak interactions that keep them in thermal equilibrium in the early Universe down to the ...
Geop's user avatar
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4 votes
1 answer
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Does a neutrino gas emit blackbody radiation?

My understanding of the microscopic "mechanism" of blackbody radiation* in a gas is as follows: interactions between fluctuating charge distributions in particles of a gas create a microscopic random ...
probably_someone's user avatar