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We report on studies of untriggered two-particle angular correlations ofidentified particles (pions, kaons and protons) measured in proton-protoncollisions at center-of-mass energy sqrt{s}=7 TeV recorded by ALICE at the LHC.These type of studies are sensitive to a wide range of correlations which arisefrom different physics mechanisms, each of them having a unique structure inDeltaEta-DeltaPhi space. The correlations of particles with different quarkcontent and flavor are sensitive to various conservation laws. The study ofthese correlations is the main goal of this analysis. The results confirm thatthese laws strongly influence the shape of the correlation functions fordifferent particle types and must be taken into account while analysing thedata. Moreover, we verify their implementation using two Monte Carlo eventgenerators and we found that the analyzed models do not reproduce the measuredcorrelations for protons.

Angular correlations measured in pp collisions by ALICE at the LHC