Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2007-09-08
Phys.Lett.B696:262-265,2011
Physics
High Energy Physics
High Energy Physics - Phenomenology
The version which appeared in Phys. Lett. B
Scientific paper
10.1016/j.physletb.2010.12.047
We consider a hidden sector with a vectorlike confining gauge theory like QCD with $N_{h,c}$ colors and $N_{h,f}$ light quarks ${\cal Q}_h$ in the hidden sector. Then a scale $\Lambda_H$ would be generated by dimensional transmutation, and chiral symmetry breaking occurs in the hidden sector. This scale $\Lambda_H$ can play a role of the SM Higgs mass parameter, triggering electroweak symmetry breaking (EWSB). Furthermore the lightest mesons in the hidden sector is stable by flavor conservation of the hidden sector strong interaction, and could be a good cold dark matter (CDM). We study collider phenomenology, and relic density and direct detection rates of the CDM of this model.
Hur Tae-il
Jung Dong-Won
Ko Pyungwon
Lee Jae Yong
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