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The Mueller-Navelet di-jet production process represents an ultimatetestfield of pQCD in the high-energy limit. Several experimental analysescarried out so far are in good agreement with theoretical predictions, based oncollinear factorization and BFKL resummation of energy logarithms in thenext-to-leading approximation, with the CMS experimental data at center-of-massenergy equal to 7 TeV. However, the question if the same data can be describedalso by fixed-order perturbative approaches has not yet been fully answered. Wediscuss how the use of partially asymmetric cuts in the transverse momenta ofthe detected jets allows to discriminate between BFKL-resummed and fixed-orderpredictions (the latter in the high-energy limit) in observables related withthis process at LHC.

Mueller-Navelet jets at LHC: discriminating BFKL from DGLAP by asymmetric cuts