Baryon asymmetry of the universe and large lepton asymmetries
Dec, 19936 pages
Published in:
- Phys.Lett.B 338 (1994) 259-262
Report number:
- UPR-0606-T
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Abstract: (Elsevier)
It is shown how a large lepton asymmetry of the universe L = (n v −n v ̄ )/n γ ⩾ 1 can lead to a small baryon asymmetry B = (n b − n b ̄ )/n γ ∼ 10 −9 via sphaleron mediated transitions.- cosmological model
- baryon: asymmetry
- lepton: asymmetry
- B-L number: violation
- effect: sphaleron
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