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Leptoquarks arise naturally in models attempting the unification of the quarkand lepton sectors of the standard model of particle physics. Such particlescould be produced in the interaction of high energy quasi-horizontal cosmicneutrinos with the atmosphere, via their direct coupling to a quark and aneutrino. The hadronic decay products of the leptoquark, and possibly itsleptonic decay products would originate an extensive air shower, observable inlarge cosmic ray experiments. In this letter, the sensitivity of present andplanned very high energy cosmic ray experiments to the production ofleptoquarks of different types is estimated and discussed.Comment: 16 pages, 8 figure

The sensitivity of cosmic ray air shower experiments for excited lepton and leptoquark detection