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We apply the leading and sub-leading electroweak (EW) corrections to theDrell-Yan process of the neutralino pair production at proton-proton collision,in order to calculate the effects of the these corrections on the neutralinopair production at the LHC. We provide an analysis of the dependence of theBorn cross-sections for$pp\rightarrow\widetilde\chi_{i}^{0}\widetilde\chi_{j}^{0}$ and the EWcorrections to this process, on the center-of-mass energy $\sqrt s$, on the$M_2$-$\mu$ mass plane and on the squark mass for the three differentscenarios. The numerical results show that the relative correction can bereached the few tens of percent level as the increment of the center-of-massenergy, and the evaluation of EW corrections is a crucial task for all accuratemeasurements of the neutralino pair production processes.

Electroweak Corrections to the Neutralino Pair Production at CERN LHC