Research Papers in Physics and Astronomy


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Published by American Physical Society. Phys. Rev. Lett. VOLUME 89, NUMBER 26(2002). Copyright © 2002 American Physical Society. Used by permission.


We report the first search for supersymmetric particles via s-channel production and decay of smuons or muon sneutrinos at hadronic colliders. The data for the two-muon and two-jets final states were collected by the D0 experiment and correspond to an integrated luminosity of 94 ± 5 pb-1. Assuming that R parity is violated via the single coupling λ′211, the number of candidate events is in agreement with expectation from the standard model. Exclusion contours are given in the (m0; m½) and (mΧ̅,mν planes for λ′211= 0.09, 0.08, and 0.07.

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