Muon g − 2 and non-thermal leptogenesis in U 1 L μ − L τ $$ \textrm{U}{(1)}_{L_{\mu }-{L}_{\tau }} $$ model
Abstract The gauged U 1 L μ − L τ $$ \textrm{U}{(1)}_{L_{\mu }-{L}_{\tau }} $$ symmetry is the simplest possibility to explain the observed muon g − 2, while being consistent with the neutrino oscillations through the seesaw mechanism. In this paper, we investigate if leptogenesis can work at the sa...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
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SpringerOpen
2023-05-01
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| Series: | Journal of High Energy Physics |
| Subjects: | |
| Online Access: | https://doi.org/10.1007/JHEP05(2023)010 |
| _version_ | 1797736471518511104 |
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| author | Shintaro Eijima Masahiro Ibe Kai Murai |
| author_facet | Shintaro Eijima Masahiro Ibe Kai Murai |
| author_sort | Shintaro Eijima |
| collection | DOAJ |
| description | Abstract The gauged U 1 L μ − L τ $$ \textrm{U}{(1)}_{L_{\mu }-{L}_{\tau }} $$ symmetry is the simplest possibility to explain the observed muon g − 2, while being consistent with the neutrino oscillations through the seesaw mechanism. In this paper, we investigate if leptogenesis can work at the same time. At first glance, leptogenesis seems challenging because the right-handed neutrino masses are related to the U 1 L μ − L τ $$ \textrm{U}{(1)}_{L_{\mu }-{L}_{\tau }} $$ breaking scale of 10 – 100 GeV as required from the muon g − 2. Contrary to this expectation, we find that non-thermal leptogenesis with the right-handed neutrino masses of O $$ \mathcal{O} $$ (107) GeV is possible. The successful scenario results in strict predictions on the neutrino oscillation parameters, which will be tested in future experiments. |
| first_indexed | 2024-03-12T13:14:20Z |
| format | Article |
| id | doaj.art-3b17e06d6f564ba1b5df2fa2aecd6a0b |
| institution | Directory Open Access Journal |
| issn | 1029-8479 |
| language | English |
| last_indexed | 2024-03-12T13:14:20Z |
| publishDate | 2023-05-01 |
| publisher | SpringerOpen |
| record_format | Article |
| series | Journal of High Energy Physics |
| spelling | doaj.art-3b17e06d6f564ba1b5df2fa2aecd6a0b2023-08-27T11:04:30ZengSpringerOpenJournal of High Energy Physics1029-84792023-05-012023514310.1007/JHEP05(2023)010Muon g − 2 and non-thermal leptogenesis in U 1 L μ − L τ $$ \textrm{U}{(1)}_{L_{\mu }-{L}_{\tau }} $$ modelShintaro Eijima0Masahiro Ibe1Kai Murai2ICRR, University of TokyoICRR, University of TokyoICRR, University of TokyoAbstract The gauged U 1 L μ − L τ $$ \textrm{U}{(1)}_{L_{\mu }-{L}_{\tau }} $$ symmetry is the simplest possibility to explain the observed muon g − 2, while being consistent with the neutrino oscillations through the seesaw mechanism. In this paper, we investigate if leptogenesis can work at the same time. At first glance, leptogenesis seems challenging because the right-handed neutrino masses are related to the U 1 L μ − L τ $$ \textrm{U}{(1)}_{L_{\mu }-{L}_{\tau }} $$ breaking scale of 10 – 100 GeV as required from the muon g − 2. Contrary to this expectation, we find that non-thermal leptogenesis with the right-handed neutrino masses of O $$ \mathcal{O} $$ (107) GeV is possible. The successful scenario results in strict predictions on the neutrino oscillation parameters, which will be tested in future experiments.https://doi.org/10.1007/JHEP05(2023)010Baryo- and LeptogenesisNeutrino MixingNew Gauge InteractionsSterile or Heavy Neutrinos |
| spellingShingle | Shintaro Eijima Masahiro Ibe Kai Murai Muon g − 2 and non-thermal leptogenesis in U 1 L μ − L τ $$ \textrm{U}{(1)}_{L_{\mu }-{L}_{\tau }} $$ model Journal of High Energy Physics Baryo- and Leptogenesis Neutrino Mixing New Gauge Interactions Sterile or Heavy Neutrinos |
| title | Muon g − 2 and non-thermal leptogenesis in U 1 L μ − L τ $$ \textrm{U}{(1)}_{L_{\mu }-{L}_{\tau }} $$ model |
| title_full | Muon g − 2 and non-thermal leptogenesis in U 1 L μ − L τ $$ \textrm{U}{(1)}_{L_{\mu }-{L}_{\tau }} $$ model |
| title_fullStr | Muon g − 2 and non-thermal leptogenesis in U 1 L μ − L τ $$ \textrm{U}{(1)}_{L_{\mu }-{L}_{\tau }} $$ model |
| title_full_unstemmed | Muon g − 2 and non-thermal leptogenesis in U 1 L μ − L τ $$ \textrm{U}{(1)}_{L_{\mu }-{L}_{\tau }} $$ model |
| title_short | Muon g − 2 and non-thermal leptogenesis in U 1 L μ − L τ $$ \textrm{U}{(1)}_{L_{\mu }-{L}_{\tau }} $$ model |
| title_sort | muon g 2 and non thermal leptogenesis in u 1 l μ l τ textrm u 1 l mu l tau model |
| topic | Baryo- and Leptogenesis Neutrino Mixing New Gauge Interactions Sterile or Heavy Neutrinos |
| url | https://doi.org/10.1007/JHEP05(2023)010 |
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