proton-electron-proton reaction

proton-electron-proton reaction

[′prō‚tän i′lek‚trän ′prō‚tän rē‚ak·shən]
(nuclear physics)
A nuclear reaction in which two protons and an electron react to form a deuteron and a neutrino; it is an important source of detectable neutrinos from the sun. Abbreviated PeP reaction.
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