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In this work, we classify all the effective $U(1)$ symmetries and theirassociated Noether charges in the Standard Model (SM) and its minimalsupersymmetric extension (MSSM) from the highest scale after inflation down tothe weak scale. We then demonstrate that the discovery of the violation ofbaryon minus lepton number ($B-L$) which pinpoints to its violation inprimordial Universe at any cosmic temperature above $30$ TeV will open up a newwindow of baryogenesis in these effective charges above this scale. While thefast SM baryon number violation in the early Universe could be the first pieceto solve the puzzle of cosmic baryon asymmetry, $(B-L)$ violation could be thesecond important piece. In the background of expanding Universe, there is ampleopportunity for out-of-equilibrium processes to generate an asymmetry in thenumerous effective charges in the SM or the MSSM, making a baryon asymmetricUniverse almost unavoidable. Finally we provide examples in the SM and the MSSMwhere baryogenesis can proceed through out-of-equilibrium dynamics withoutexplicitly breaking baryon nor lepton number.

Baryogenesis in the Standard Model and its Supersymmetric Extension