A model of the matter–antimatter asymmetry and cold dark matter with U(1)B−L⊗U(1)D
I suggest an effective model between the GUT and the electroweak scale. It only introduces the two symmetries of U(1)B−L and U(1)D besides the SM groups. The two symmetries are individually broken at the reheating temperature of the universe of 1012 GeV and the scale of 3∼4 TeV. The model can simult...
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| Format: | Article |
| Language: | English |
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Elsevier
2016-11-01
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| Series: | Physics Letters B |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S0370269316305123 |