2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/149152Given a renormalization scheme of QCD, one can define a mass scale $Λ_{\rm QCD}$ in terms of the beta function. Under a change of the renormalization scheme, however, $Λ_{\rm QCD}$ changes by a multiplicative constant. We introduce a scheme independent $Λ_{\rm QCD}$ using a connection on the space of the coupling constant.4 pages, harvmacHigh Energy Physics - TheoryHigh Energy Physics - Phenomenologytext