Search for supersymmetric particles at hadron colliders

摘要

In order to find supersymmetry one needs to conduct a series of experiments. Now all hopes in discovering new physics are concentrated on the Large Hadron Collider (LHC) experiment at CERN. LHC is planned to be launched in 2007. But in order to find something we have to know where to look, what sign we are supposed to search for. But unfortunately that sign will strongly depend on our choice of the point in the allowed parameter space. So in order to learn what point in the allowed parameter space is closer to reality we have to search for some new evidence. That evidence came to us from WMAP and EGRET collaborations. Results of those collaborations pointed out a small region in the MSSM parameter space. In this region m_(1/2) is around 180 GeV m_0 is around 1400 Gev and tan β is around 50. The probable results for experiments at the LHC in that point of the parameter space is quite different from that were expected before. We will analyze a possible outcome of the experiments in that region of the parameter space.