2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/52242We discuss a regular non-supersymmetric deformation of the Klebanov-Strassler solution related to gaugino mass terms in the dual gauge theory. We also describe the Penrose limit of the new background and the corresponding plane wave string theory.12 pages, invited article in European Physical Journal C, to be reprinted in Proceedings of the International School on Subnuclear Physics 2003 Erice (World Scientific); typos correctedHigh Energy Physics - Theorytext