A microscopic theory of gauge mediation

Details A microscopic theory of gauge mediation A microscopic theory of gauge mediation

2011-04-12

arxiv.org/abs/1104.2331v2

JHEP 1108:113,2011

Physics

High Energy Physics

High Energy Physics - Phenomenology

24 pages, 2 figures, accepted to JHEP for publication

Scientific paper

10.1007/JHEP08(2011)113

We construct models of indirect gauge mediation where the dynamics responsible for breaking supersymmetry simultaneously generates a weakly coupled subsector of messengers. This provides a microscopic realization of messenger gauge mediation where the messenger and hidden sector fields are unified into a single sector. The UV theory is SQCD with massless and massive quarks plus singlets, and at low energies it flows to a weakly coupled quiver gauge theory. One node provides the primary source of supersymmetry breaking, which is then transmitted to the node giving rise to the messenger fields. These models break R-symmetry spontaneously, produce realistic gaugino and sfermion masses, and give a heavy gravitino.

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