Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1997-11-04
Phys.Lett.B425:107-113,1998
Physics
High Energy Physics
High Energy Physics - Phenomenology
11 pages, Latex
Scientific paper
10.1016/S0370-2693(98)00189-0
We construct a gauge mediation model of dynamical supersymmetry breaking (DSB) based on a vector-like gauge theory, in which there is a unique color-preserving true vacuum. The DSB scale $\Lambda/4\pi$ turns out to be as high as $\Lambda/4\pi \simeq 10^{8-9} GeV$, since the transmission of the DSB effects to the standard model sector is completed through much higher loops. This model is perfectly natural and phenomenologically consistent. We also stress that the dangerous D-term problem for the messenger U(1)_m is automatically solved by a charge conjugation symmetry in the vector-like gauge theory.
Nomura Yasunori
Tobe Kazuhiro
Yanagida Takayuki
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