2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/46943We show that the gravitino contribution to (g-2)_μ is finite in many popular supergravity models, including no-scale supergravity and string and M-theory models. This contribution is greatly enhanced for very light gravitino masses, and leads to new upper bounds on the ratio of the smuon to the gravitino mass.6 pages, LaTexHigh Energy Physics - Phenomenologytext