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\bibitem{Cottin_etal2023} Cottin, G., Helo, J. C., Hirsch, M., Pena, C., Wang, C. S. A., \& Xie, S. (2023). Long-lived heavy neutral leptons with a displaced shower signature at CMS. \textit{J. High Energy Phys.}, \textit{02}(2), 011--16pp.

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