2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/44278The results for structure function $F_L$, obtained in the $k_T$-factorization and collinear approaches, are compared with recent H1 experimental data at fixed $W$ values.6 pages, 3 figures, Talk given at XVII Intern. Baldin Seminar "Relativistic Nuclear Physics and QCD", JINR, Sept. 27 - Oct. 2, 2004, Dubna, RussiaHigh Energy Physics - PhenomenologyStructure Function $F_L$ at Fixed $W$ in the $K_T$-Factorization Approachtext