Charmonium suppression in ultra-relativistic proton–proton collisions at LHC energies: a hint for QGP in small systemsCaptain R. Singh, Suman Deb, Raghunath Sahoo and Jan-e AlamEur. Phys. J. C, 82 6 (2022) 542DOI: https://doi.org/10.1140/epjc/s10052-022-10500-z