Transverse momentum fluctuation in ultra-central Pb+Pb collision at the LHC Rupam Samanta, Somadutta Bhatta, Jiangyong Jia, Matthew Luzum and Jean-Yves Ollitrault EPJ Web Conf., 296 (2024) 05006 Published online: 26 June 2024 DOI: 10.1051/epjconf/202429605006