Spontaneous mirror left-right symmetry breaking for leptogenesis parametrized by Majorana neutrino mass matrix
Abstract We introduce a mirror copy of the ordinary fermions and Higgs scalars for embedding the SU(2) L × U(1) Y electroweak gauge symmetry into an SU(2) L × SU(2) R × U(1) B−L left-right gauge symmetry. We then show the spontaneous left-right symmetry breaking can automatically break the parity sy...
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| Format: | Article |
| Language: | English |
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SpringerOpen
2017-10-01
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| Series: | Journal of High Energy Physics |
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| Online Access: | http://link.springer.com/article/10.1007/JHEP10(2017)016 |
| _version_ | 1818933758801215488 |
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| author | Pei-Hong Gu |
| author_facet | Pei-Hong Gu |
| author_sort | Pei-Hong Gu |
| collection | DOAJ |
| description | Abstract We introduce a mirror copy of the ordinary fermions and Higgs scalars for embedding the SU(2) L × U(1) Y electroweak gauge symmetry into an SU(2) L × SU(2) R × U(1) B−L left-right gauge symmetry. We then show the spontaneous left-right symmetry breaking can automatically break the parity symmetry motivated by solving the strong CP problem. Through the SU(2) R gauge interactions, a mirror Majorana neutrino can decay into a mirror charged lepton and two mirror quarks. Consequently we can obtain a lepton asymmetry stored in the mirror charged leptons. The Yukawa couplings of the mirror and ordinary charged fermions to a dark matter scalar then can transfer the mirror lepton asymmetry to an ordinary lepton asymmetry which provides a solution to the cosmic baryon asymmetry in association with the SU(2) L sphaleron processes. In this scenario, the baryon asymmetry can be well described by the neutrino mass matrix up to an overall factor. |
| first_indexed | 2024-12-20T04:53:28Z |
| format | Article |
| id | doaj.art-b72f4d361d3c47aab0632baff277aa40 |
| institution | Directory Open Access Journal |
| issn | 1029-8479 |
| language | English |
| last_indexed | 2024-12-20T04:53:28Z |
| publishDate | 2017-10-01 |
| publisher | SpringerOpen |
| record_format | Article |
| series | Journal of High Energy Physics |
| spelling | doaj.art-b72f4d361d3c47aab0632baff277aa402022-12-21T19:52:48ZengSpringerOpenJournal of High Energy Physics1029-84792017-10-0120171011710.1007/JHEP10(2017)016Spontaneous mirror left-right symmetry breaking for leptogenesis parametrized by Majorana neutrino mass matrixPei-Hong Gu0Department of Physics and Astronomy, Shanghai Jiao Tong UniversityAbstract We introduce a mirror copy of the ordinary fermions and Higgs scalars for embedding the SU(2) L × U(1) Y electroweak gauge symmetry into an SU(2) L × SU(2) R × U(1) B−L left-right gauge symmetry. We then show the spontaneous left-right symmetry breaking can automatically break the parity symmetry motivated by solving the strong CP problem. Through the SU(2) R gauge interactions, a mirror Majorana neutrino can decay into a mirror charged lepton and two mirror quarks. Consequently we can obtain a lepton asymmetry stored in the mirror charged leptons. The Yukawa couplings of the mirror and ordinary charged fermions to a dark matter scalar then can transfer the mirror lepton asymmetry to an ordinary lepton asymmetry which provides a solution to the cosmic baryon asymmetry in association with the SU(2) L sphaleron processes. In this scenario, the baryon asymmetry can be well described by the neutrino mass matrix up to an overall factor.http://link.springer.com/article/10.1007/JHEP10(2017)016Beyond Standard ModelCosmology of Theories beyond the SMNeutrino Physics |
| spellingShingle | Pei-Hong Gu Spontaneous mirror left-right symmetry breaking for leptogenesis parametrized by Majorana neutrino mass matrix Journal of High Energy Physics Beyond Standard Model Cosmology of Theories beyond the SM Neutrino Physics |
| title | Spontaneous mirror left-right symmetry breaking for leptogenesis parametrized by Majorana neutrino mass matrix |
| title_full | Spontaneous mirror left-right symmetry breaking for leptogenesis parametrized by Majorana neutrino mass matrix |
| title_fullStr | Spontaneous mirror left-right symmetry breaking for leptogenesis parametrized by Majorana neutrino mass matrix |
| title_full_unstemmed | Spontaneous mirror left-right symmetry breaking for leptogenesis parametrized by Majorana neutrino mass matrix |
| title_short | Spontaneous mirror left-right symmetry breaking for leptogenesis parametrized by Majorana neutrino mass matrix |
| title_sort | spontaneous mirror left right symmetry breaking for leptogenesis parametrized by majorana neutrino mass matrix |
| topic | Beyond Standard Model Cosmology of Theories beyond the SM Neutrino Physics |
| url | http://link.springer.com/article/10.1007/JHEP10(2017)016 |
| work_keys_str_mv | AT peihonggu spontaneousmirrorleftrightsymmetrybreakingforleptogenesisparametrizedbymajorananeutrinomassmatrix |