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dc.contributor.authorJeliński, Tomasz-
dc.identifier.citationJournal of High Energy Physics, Vol. 2013, iss. 9 (2013), art. no. 107pl_PL
dc.description.abstractWe discuss, for the first time, the role of the superpotential couplings of three messenger fields in a GMSB-type unification model in which messenger sector consists of both 5+ 5̄ and 10+ 10̄ of SU(5). It turns out that these interactions are relevant when coexist with appropriate messenger-MSSM couplings. Then they induce extra contributions to 2-loop soft masses. In the present model, we derive all such soft terms and discuss constraints which have to be satisfied to avoid rapid proton decay and μ/B μ problem. As an example, it is shown how superpotential couplings of three messengers influence mass spectra when the model is restricted by additional global U(1) q symmetry. We find that masses of the lightest sleptons are the most sensitive to those new interactions, what in some cases results in the NLSP/NNLSP pattern in which stau or selectron is lighter than the lightest neutralino.pl_PL
dc.rightsUznanie autorstwa 3.0 Polska*
dc.subjectBeyond Standard Modelpl_PL
dc.subjectSupersymmetric Effective Theoriespl_PL
dc.subjectSupersymmetry Breakingpl_PL
dc.titleOn messengers couplings in extended GMSB modelspl_PL
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