2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/215811Mass and decay spectra are calculated for quantum massive excitations of a piecewise uniform bosonic string. The physical meaning of the critical temperatures characterizing the radiation in the decay of a massive microstate in string theory is discussed.7 pages, LaTex, no figuresHigh Energy Physics - Theorytext