Heavy Majorana Leptons and Cosmological Baryon Excess
Sep, 198022 pages
Published in:
- Phys.Rev.D 23 (1981) 2048
Report number:
- TU-80-211
Citations per year
Abstract: (APS)
Cosmological baryon excess is used to probe how the left-right symmetry should be broken in a basically symmetric grand unified theory. In the SO(10) model, the contribution from an intermediate state containing the chiral partner of a light ordinary neutrino cancels much of the usual baryon excess produced by a heavy-Higgs-boson decay unless the partner's mass is ≳1010 GeV. A mechanism of soft CP violation is also mentioned.- BARYON: ASYMMETRY
- ASTROPHYSICS
- GAUGE FIELD THEORY: SO(10)
- UNIFIED FIELD THEORY
- WEAK INTERACTION
- ELECTROMAGNETIC INTERACTION
- STRONG INTERACTION
- HEAVY LEPTON: MAJORANA
- SYMMETRY: CHIRAL
- SYMMETRY BREAKING
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