2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/178804We point out that, since the colliders initial states (e+ e-,p p, p pbar, ... ) carry a definite nonabelian flavor, electroweak radiative corrections to inclusive hard cross sections at the TeV scale are affected by peculiar Bloch-Nordsieck violating double logs. We recall the setup of soft cancellation theorems, and we analyze the magnitude of the noncancelling terms in the example of electron - positron annihilation into hadrons.Minor typos corrected, references added. Final version to appear on Phys. Rev. LettHigh Energy Physics - Phenomenologytext