2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/214728The multiplicity of charged hadrons in the current fragmentation region of both the c.m.s. and the Breit frame of deep inelastic scattering is calculated and compared with the HERA data. The results are in agreeement with Yang's hypothesis that the efficiency of high energy processes increases at larger momentum transfer.11 pages, latex, 3 figures, added one formula, corrected some typosHigh Energy Physics - Phenomenologytext