Search for fermion portal dark matter and large extra dimension produced with jets and missing transverse energy in proton - proton collisions at √s= 13 TeV

Monojet analysis provides significant contributions to the new physics explorations at collider experiments. The search for dark matter is conducted for events containing one or more energetic jets with imbalanced transverse momentum using 35.9 fb^(-1) proton-proton collision data collected with CMS detector at LHC. Since SM expectation and observed events are in good agrement, no evidece was found neither for dark matter nor for extra dimensions. The results were interpreted for fermion portal dark matter and ADD model with large extra spatial dimensions. Then limits were set to mediator and dark matter masses for fermion portal model and to Planck Scale as a function of number of extra dimensions for ADD model.