2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/202324In deep inelastic neutral current scattering of positrons and protons at the center of mass energy of 300 GeV, we observe, with the ZEUS detector, events with a high energy neutron produced at very small scattering angles with respect to the proton direction. The events constitute a fixed fraction of the deep inelastic, neutral current event sample independent of Bjorken $x$ and $Q^2$ in the range $ 3 \cdot 10^{-4} < \xbj < 6\cdot 10^{-3}$ and $10 < Q^2 <100$~GeV$^2$.PS file including 4 figures First replacement due to display problems with fig. 3. Contents of paper unchangedHigh Energy Physics - Experimenttext