@Article{Davidson_etal2013, author="Davidson, S. and Felipe, R. G. and Serodio, H. and Silva, J. P.", title="Baryogenesis through split Higgsogenesis", journal="Journal of High Energy Physics", year="2013", publisher="Springer", volume="11", number="11", pages="100--22pp", optkeywords="Higgs Physics; CP violation", 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.", optnote="WOS:000327092700006", optnote="exported from refbase (https://references.ific.uv.es/refbase/show.php?record=1651), last updated on Thu, 12 Dec 2013 11:22:33 +0000", issn="1029-8479", doi="10.1007/JHEP11(2013)100", opturl="http://arxiv.org/abs/arXiv:1307.6218", opturl="https://doi.org/10.1007/JHEP11(2013)100", archivePrefix="arXiv", eprint="arXiv:1307.6218", language="English" }