COHERENT production of a dark fermion
| Autor: | Candela, Pablo M., De Romeri, Valentina, Papoulias, Dimitrios K. |
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| Rok vydání: | 2023 |
| Předmět: | |
| Druh dokumentu: | Working Paper |
| DOI: | 10.1103/PhysRevD.108.055001 |
| Popis: | We consider the possible production of a new MeV-scale fermion at the COHERENT experiment. The new fermion, belonging to a dark sector, can be produced through the up-scattering process of neutrinos off the nuclei and the electrons of the detector material, via the exchange of a light vector or scalar mediator. We perform a detailed statistical analysis of the combined COHERENT CsI and LAr data sets and obtain up-to-date constraints on the couplings and masses of the dark fermion and mediators. We finally briefly comment about the stability of the dark fermion. Comment: 26 pages, 10 figures, 1 table; typos corrected, references added |
| Databáze: | arXiv |
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