Abstract
Upcoming neutrino telescopes promise a new window onto the interactions of neutrinos with matter at ultrahigh energies (Eν = 107–1010 GeV), and the possibility to detect deviations from the Standard Model predictions. In this paper, we update previous predictions for the enhancement of the neutrino-nucleon cross-section for motivated leptoquark models and show the latest neutrino physics bound, as well as analyse the latest LHC pair production and Drell-Yan data, and flavour constraints (some of which were previously missed). We find that, despite the next generation of neutrino experiments probing the highest energies, they will not be enough to be competitive with collider searches.
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Acknowledgments
All authors are very grateful to Ivan Esteban for useful help and discussions during the early stages of this project, and to the authors of [19] for their help with the results of their paper. M.K. thanks James Whitehead and Juan M. Cruz-Martinez for useful discussions on PDFs. M.K. and K.W. thank Federico Mescia for help with the results of [72]. M.K. and S.O. acknowledge support from a Maria Zambrano fellowship, and K.W. is supported by the China Scholarship Council (CSC). All authors acknowledge support from the State Agency for Research of the Spanish Ministry of Science and Innovation through the “Unit of Excellence María de Maeztu 2020-2023” award to the Institute of Cosmos Sciences (CEX2019-000918-M), and from PID2019-105614GB-C21 and 2017-SGR-929 grants.
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Kirk, M., Okawa, S. & Wu, K. A ν window onto leptoquarks?. J. High Energ. Phys. 2023, 93 (2023). https://doi.org/10.1007/JHEP12(2023)093
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DOI: https://doi.org/10.1007/JHEP12(2023)093