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Rajpoot, S.; King's Coll., London; Taylor, J.G.
International Centre for Theoretical Physics, Trieste (Italy)1982
International Centre for Theoretical Physics, Trieste (Italy)1982
AbstractAbstract
[en] The renormalisation group analysis of the running coupling constants in the hierarchies of N-extended supersymmetric simple unification schemes is presented. For proton lifetimes of order 1030 years the scale(s) of supersymmetry breaking are of order 1012 GeV. In local realisations of such supersymmetries, such high mass-scales lead to gravitinos with masses in the 105 GeV range. Gravitinos this massive decay too long before the time of helium synthesis to be of relevance in the early universe. (author)
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Jun 1982; 18 p
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