2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/24621The application of global non-analytical fit to the quantitative spectral analysis of the bilayer-split peak-dip-hump lineshape of Bi$_2$Sr$_2$CaCu$_2$O$_{8+δ}$ at $(π,0)$ are revisited. The robustness of the results is verified by various fitting schemes confirming physically the correlation of the superconducting peak with the superfluid density.6.8 iopart pages, 2 figuresSuperconductivityStrongly Correlated Electronstext