Baryogenesis from a dark first-order phase transition

Hall, Eleanor; Konstandin, Thomas; McGehee, Robert; Murayama, Hitoshi; Servant, Géraldine

doi:10.1007/jhep04(2020)042

Title: Baryogenesis from a dark first-order phase transition

Journal Article · Tue Apr 07 00:00:00 EDT 2020 · Journal of High Energy Physics (Online)

DOI:https://doi.org/10.1007/jhep04(2020)042· OSTI ID:1713228

^[1]; Konstandin, Thomas ^[2];

^[1]; Murayama, Hitoshi ^[3]; Servant, Géraldine ^[4]

Univ. of California, Berkeley, CA (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany)
Univ. of California, Berkeley, CA (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Univ. of Tokyo (Japan). Kavli Institute for the Physics and Mathematics of the Universe (WPI); Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany)
Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany); Univ. of Hamburg (Germany)

We present a very minimal model for baryogenesis by a dark first-order phase transition. It employs a new dark SU(2)_D gauge group with two doublet Higgs bosons, two lepton doublets, and two singlets. The singlets act as a neutrino portal that transfer the generated asymmetry to the Standard Model. The model predicts ΔN_eff = 0.09–0.13 detectable by future experiments as well as possible signals from exotic decays of the Higgs and Z bosons and stochastic gravitational waves.

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Research Organization:: Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)

Sponsoring Organization:: USDOE Office of Science (SC); National Science Foundation (NSF); Japan Society for the Promotion of Science (JSPS); German Research Foundation (DFG)

Grant/Contract Number:: AC02-05CH11231; PHY-1638509; JP17K05409; JP15H05887; JP15K21733; 390833306

OSTI ID:: 1713228

Journal Information:: Journal of High Energy Physics (Online), Vol. 2020, Issue 4; ISSN 1029-8479

Publisher:: Springer BerlinCopyright Statement

Country of Publication:: United States

Language:: English

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Cited By (5)

Electroweak phase transition with an SU(2) dark sector Ghosh, Tathagata; Guo, Huai-Ke; Han, Tao Journal of High Energy Physics, Vol. 2021, Issue 7 https://doi.org/10.1007/jhep07(2021)045	journal	July 2021
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Baryon and Lepton Number Violation from Gravitational Waves Fornal, Bartosz; Haghi, Barmak Shams Es arXiv https://doi.org/10.48550/arxiv.2008.05111	text	January 2020
Robust approach to thermal resummation: Standard Model meets a singlet Schicho, Philipp M.; Tenkanen, Tuomas V. I.; Österman, Juuso Journal of High Energy Physics, Vol. 2021, Issue 6 https://doi.org/10.1007/jhep06(2021)130	journal	June 2021
Theoretical uncertainties for cosmological first-order phase transitions Croon, Djuna; Gould, Oliver; Schicho, Philipp Maximilian Springer https://doi.org/10.48350/156237	text	January 2021

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