Electroweak epoch Chronology of the universe

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according traditional big bang cosmology, electroweak epoch began 10 seconds after big bang, when temperature of universe low enough (10 k) separate strong force electroweak force (the name unified forces of electromagnetism , weak interaction). in inflationary cosmology, electroweak epoch began when inflationary epoch ended, @ 10 seconds.


baryogenesis


there insufficient observational evidence explain why universe contains far more baryons antibaryons. candidate explanation phenomenon must allow sakharov conditions satisfied @ time after end of cosmological inflation. while particle physics suggests asymmetries under these conditions met, these asymmetries small empirically account observed baryon-antibaryon asymmetry of universe.








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