2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/188209Small momentum transfer elastic proton-proton cross-section at high energies is calculated assuming the nucleon composed of two constituents - a quark and a diquark. A comparison to data (described very well up to -t = 2 GeV^2/c) allows to determine some properties of the constituents. While quark turns out fairly small, the diquark appears to be rather large, comparable to the size of the proton.10 pages, 5 figuresHigh Energy Physics - Phenomenologytext