Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2011-11-09
Physics
High Energy Physics
High Energy Physics - Phenomenology
35pages, 13figures
Scientific paper
In this work, we study the light stop pair signals at the LHC. We explore the SUSY parameter space with non-universal gaugino and third generation masses at the GUT scale. Recent LHC SUSY search results based on 35pb$^{-1}$ and 1fb$^{-1}$ of data are implemented to put the limits on stop pair events. The dark matter relic density and direct detection constraints are also taken into account. Detailed simulations on the signals and background for some benchmark points are performed, and it is found that the stop pair signals usually escape the LHC search if the present cut conditions are used. We also explore the potential and sensitivity of ILC to probe such scenarios. It is found that the ILC can detect them with an integrated luminosity of a few tens of fb$^{-1}$.
Bi Xiao-Jun
Yan Qi-Shu
Yin Peng-Fei
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