TY - JOUR
T1 - Comments on the meta-stable vacuum in Nf = Nc SQCD and direct mediation
AU - Katz, Andrey
AU - Shadmi, Yael
AU - Volansky, Tomer
PY - 2007/7/1
Y1 - 2007/7/1
N2 - We revisit Nf ≤ Nc SQCD and its non-supersymmetric minima conjectured by Intriligator, Seiberg and Shih (ISS). We argue that the existence of such minima depends on the signs of three non-calculable parameters and that no evidence can be inferred by deforming the theory. We demonstrate this by studying a deformation of the theory which involves additional gauge singlets. In this case, the conjectured minimum is destabilized. We comment on the consequences of such singlets in models of direct mediation and in particular in the Pentagon model.
AB - We revisit Nf ≤ Nc SQCD and its non-supersymmetric minima conjectured by Intriligator, Seiberg and Shih (ISS). We argue that the existence of such minima depends on the signs of three non-calculable parameters and that no evidence can be inferred by deforming the theory. We demonstrate this by studying a deformation of the theory which involves additional gauge singlets. In this case, the conjectured minimum is destabilized. We comment on the consequences of such singlets in models of direct mediation and in particular in the Pentagon model.
KW - Nonperturbative effects
KW - Supersymmetry breaking
UR - http://www.scopus.com/inward/record.url?scp=34547667003&partnerID=8YFLogxK
U2 - 10.1088/1126-6708/2007/07/020
DO - 10.1088/1126-6708/2007/07/020
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AN - SCOPUS:34547667003
SN - 1126-6708
VL - 2007
JO - Journal of High Energy Physics
JF - Journal of High Energy Physics
IS - 7
M1 - 020
ER -