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Baryogenesis through split Higgsogenesis
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| dc.contributor.author | Davidson, Sacha | |
| dc.contributor.author | González Felipe, Ricardo | |
| dc.contributor.author | Serodio, Hugo | |
| dc.contributor.author | Silva, Joao P. | |
| dc.date.accessioned | 2014-10-01T12:26:11Z | |
| dc.date.available | 2014-10-01T12:26:11Z | |
| dc.date.issued | 2013 | |
| dc.identifier.citation | Davidson, Sacha González Felipe, Ricardo Serodio, Hugo Silva, Joao P. 2013 Baryogenesis through split Higgsogenesis Journal of High Energy Physics 11 11 100-1 100-22 | |
| dc.identifier.uri | http://hdl.handle.net/10550/39059 | |
| dc.description.abstract | We study the cosmological evolution of asymmetries in the two-Higgs doublet extension of the Standard Model, prior to the electroweak phase transition. If Higgs flavour-exchanging interactions are sufficiently slow, then a relative asymmetry among the Higgs doublets corresponds to an effectively conserved quantum number. Since the magnitude of the Higgs couplings depends on the choice of basis in the :Higgs doublet space, we attempt to formulate basis-independent out-of-equilibrium conditions. We show that an initial asymmetry between the fliggs scalars, which could be generated by GP violation in the :Higgs sector, will be transformed into a baryon asymmetry by the sphalerons, without the need of B ¿ L violation. This novel mechanism of baryogenesis through (split) Higgsogenesis is exemplified with simple scenarios based on the out-of-equilibrium decay of heavy singlet scalar fields into the illiggs doublets. | |
| dc.language.iso | eng | |
| dc.relation.ispartof | Journal of High Energy Physics, 2013, vol. 11, num. 11, p. 100-1-100-22 | |
| dc.subject | Física | |
| dc.title | Baryogenesis through split Higgsogenesis | |
| dc.type | journal article | es_ES |
| dc.date.updated | 2014-10-01T12:26:12Z | |
| dc.identifier.doi | 10.1007/JHEP11(2013)100 | |
| dc.identifier.idgrec | 097604 | |
| dc.rights.accessRights | open access | es_ES |
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