New physics searches with Dijets and MultiJets in CMS

Searches for new Physics are performed with inclusive dijet and multijet final states in pp collisions, using data collected by the CMS experiment at the LHC. The measurements of the mass spectra, centrality ratio and angular distribution with dijets are shown. The data exclude new particles predicted by various models such as string resonance, excited quarks and provide a lower limit on the energy scale of quark contact interactions. These results extend previously published limits on these models. The analyses with multijets and inclusive jets also probe possible signature of new physics models such as gluinos and colorons and exclude them for mass ranges, exceeding previous limits.