2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/55406Using an analogy between Bogomol'nyi bound and the harmonic oscillator in quantum mechanics we propose a possible explanation of the coupling constant numerical value at the grand unification scale. It is found to be $1/8π$.5 pages, LATEX, 1 eps figureHigh Energy Physics - TheoryHigh Energy Physics - PhenomenologyOn the value of coupling constanttext