2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/149455The semiclassical grey-body factor for massless fermion emission from the four dimensional black hole described by an ensemble of intersecting triplets of D- five-branes is shown to be consistent with the (statistical) decay rate of the branes (in the `long' D-string approximation) into massless fermionic closed string states, subject to assumptions regarding the energy distribution of colliding open string states.Some errors corrected and a reference added. 4 pagesHigh Energy Physics - TheoryGeneral Relativity and Quantum Cosmologytext