Flavor phenomenology of light dark vectors
Light dark matter with flavor-violating couplings to fermions may be copiously produced in the laboratory as missing energy from decays of SM particles. Here we study the effective Lagrangian of a light dark vector with generic dipole or vector couplings. We calculate the resulting two-body decay ra...
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| Hauptverfasser: | , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
14 August 2024
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| In: |
Journal of high energy physics
Year: 2024, Heft: 8, Pages: 1-41 |
| ISSN: | 1029-8479 |
| DOI: | 10.1007/JHEP08(2024)111 |
| Online-Zugang: | Verlag, kostenfrei, Volltext: https://doi.org/10.1007/JHEP08(2024)111
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| Verfasserangaben: | Jordi Folch Eguren, Sophie Klingel, Emmanuel Stamou, Mustafa Tabet and Robert Ziegler |
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| 520 | |a Light dark matter with flavor-violating couplings to fermions may be copiously produced in the laboratory as missing energy from decays of SM particles. Here we study the effective Lagrangian of a light dark vector with generic dipole or vector couplings. We calculate the resulting two-body decay rates of mesons, baryons and leptons as a function of the dark vector mass and show that existing experimental limits probe UV scales as large as 1012 GeV. We also derive the general RGEs in order to constrain the flavor-universal UV scenario, where all flavor violation arises radiatively proportional to the CKM matrix. | ||
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