Matter Unification and Lepton Flavour Violation
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arXiv
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| Format: | Preprint |
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2026
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| _version_ | 1866914407967096832 |
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| author | Debnath, Hridoy Perez, Pavel Fileviez |
| author_facet | Debnath, Hridoy Perez, Pavel Fileviez |
| contents | We explore the idea of quark-lepton unification at low energies. In particular, we discuss the minimal framework for matter unification at the multi-TeV scale, in which neutrino masses are necessarily generated via the inverse seesaw mechanism. To assess the testability of this theory for physics beyond the Standard Model, we analyze current experimental constraints and derive the corresponding lower bound on the symmetry breaking scale. We reexamine the impact of existing limits from lepton number violating meson decays, taking into account the freedom associated with unknown quark-lepton mixing angles. Furthermore, we study the correlation between bounds from meson decays and $μ\to e$ conversion. We demonstrate that the upcoming $μ\to e$ conversion experiment at Fermilab can play a crucial role in probing quark-lepton unification at the multi-TeV scale. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2603_02313 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Matter Unification and Lepton Flavour Violation Debnath, Hridoy Perez, Pavel Fileviez High Energy Physics - Phenomenology High Energy Physics - Experiment High Energy Physics - Theory We explore the idea of quark-lepton unification at low energies. In particular, we discuss the minimal framework for matter unification at the multi-TeV scale, in which neutrino masses are necessarily generated via the inverse seesaw mechanism. To assess the testability of this theory for physics beyond the Standard Model, we analyze current experimental constraints and derive the corresponding lower bound on the symmetry breaking scale. We reexamine the impact of existing limits from lepton number violating meson decays, taking into account the freedom associated with unknown quark-lepton mixing angles. Furthermore, we study the correlation between bounds from meson decays and $μ\to e$ conversion. We demonstrate that the upcoming $μ\to e$ conversion experiment at Fermilab can play a crucial role in probing quark-lepton unification at the multi-TeV scale. |
| title | Matter Unification and Lepton Flavour Violation |
| topic | High Energy Physics - Phenomenology High Energy Physics - Experiment High Energy Physics - Theory |
| url | https://arxiv.org/abs/2603.02313 |