@inproceedings{UrreaNino:2023EM, author = "Urrea Nino, Juan Andres and Knechtli, Francesco and Korzec, Tomasz and Peardon, Michael J.", title = "{Optimized meson operators for charmonium spectroscopy and mixing with glueballs}", doi = "10.22323/1.430.0087", booktitle = "Proceedings of The 39th International Symposium on Lattice Field Theory {\textemdash} PoS(LATTICE2022)", year = 2023, volume = "430", pages = "087" }