Extended tree-level gauge mediation
| Autor: | Marco Nardecchia, Robert Ziegler, Maurizio Monaco, Andrea Romanino |
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| Rok vydání: | 2011 |
| Předmět: |
Supersymmetry Breaking
Physics Nuclear and High Energy Physics Particle physics 010308 nuclear & particles physics FOS: Physical sciences Supersymmetry 01 natural sciences Settore FIS/02 - Fisica Teorica Modelli e Metodi Matematici High Energy Physics - Phenomenology High Energy Physics - Phenomenology (hep-ph) Sfermion Gauge group Supersymmetric Effective Theories 0103 physical sciences Vector field Boundary value problem Invariant (mathematics) Supersymmetry Breaking Supersymmetric Effective Theorie s 010306 general physics Supersymmetric Effective Theorie s |
| Zdroj: | Monaco, M, Nardecchia, M, Romanino, A & Ziegler, R 2011, ' Extended tree-level gauge mediation ', Journal of High Energy Physics (Online), no. 10, pp. 022 . https://doi.org/10.1007/jhep10(2011)022 Journal of High Energy Physics |
| ISSN: | 1029-8479 |
| DOI: | 10.1007/jhep10(2011)022 |
| Popis: | Tree-level gauge mediation (TGM) is a scenario of SUSY breaking in which the tree-level exchange of heavy (possibly GUT) vector fields generates flavor-universal sfermion masses. In this work we extend this framework to the case of E_6 that is the natural extension of the minimal case studied so far. Despite the number of possible E_6 subgroups containing G_SM is large (we list all rank 6 subgroups), there are only three different cases corresponding to the number of vector messengers. As a robust prediction we find that sfermion masses are SU(5) invariant at the GUT scale, even if the gauge group does not contain SU(5). If SUSY breaking is mediated purely by the U(1) generator that commutes with SO(10) we obtain universal sfermion masses and thus can derive the CMSSM boundary conditions in a novel scenario. Comment: 22 pages, 2 figures, 3 tables |
| Databáze: | OpenAIRE |
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