@inproceedings{Fantini:2026r/, author = "Fantini, Lisa", title = "{How LHCb is shedding light on the existence of dark sector portals}", doi = "10.22323/1.485.0043", booktitle = "Proceedings of The European Physical Society Conference on High Energy Physics {\textemdash} PoS(EPS-HEP2025)", year = 2026, volume = "485", pages = "043" }