2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/211982The first result of the pp2pp experiment at RHIC on elastic scattering of polarized protons at sqrt{s} = 200 GeV is reported here. The exponential slope parameter b of the diffractive peak of the elastic cross section in the t range 0.010 <= |t| <= 0.019 (GeV/c)^2 was measured to be b = 16.3 +- 1.6 (stat.) +- 0.9 (syst.) (GeV/c)^{-2} .9 pages 5 figuresNuclear ExperimentHigh Energy Physics - Experimenttext