2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/193995Sum rules among superparticle masses are derived under the assumption that models beyond the MSSM are four-dimensional supersymmetric grand unified theories or five-dimensional supersymmetric orbifold grand unified theories. Sfermion sum rules are classified into four types and those sum rules can be useful probes of the MSSM and beyond.40 pages, footnote in 2.3 and references addedHigh Energy Physics - Phenomenologytext