Baryon and lepton number violation rates across the electroweak crossover

Details Baryon and lepton number violation rates across the electroweak crossover Baryon and lepton number violation rates across the electroweak crossover

2005-11-21

arxiv.org/abs/hep-ph/0511246v2

JCAP 0602 (2006) 007

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages. v2: figure added for further clarification

Scientific paper

10.1088/1475-7516/2006/02/007

We point out that the results of many baryogenesis scenarios operating at or below the TeV scale are rather sensitive to the rate of anomalous fermion number violation across the electroweak crossover. Assuming the validity of the Standard Model of electroweak interactions, and making use of previous theoretical work at small Higgs masses, we estimate this rate for experimentally allowed values of the Higgs mass (m_H = 100 ... 300 GeV). We also elaborate on how the rate makes its appearance in (leptogenesis based) baryogenesis computations.

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