Does anyone have a reference how the (lowest-order) Feynman diagrams for the scattering of an electron anti-neutrino $\overline\nu_e$ on a hydrogen atom would look like? I'm a bit confused about the fact that the proton consists of multiple quarks.
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Aka inverse beta decay – PM 2Ring Jul 06 '20 at 13:40
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The Feynman diagram looks similar to that of $\beta^+$ decay, shown here: https://physics.stackexchange.com/a/488111/123208 – PM 2Ring Jul 06 '20 at 13:46