Search for R-parity Violating Supersymmetry using Like-Sign Dielectrons in \ppbar Collisions at $\sqrt{s} = 1.8$ TeV

Details Search for R-parity Violating Supersymmetry using Like-Sign Dielectrons in \ppbar Collisions at $\sqrt{s} = 1.8$ TeV Search for R-parity Violating Supersymmetry using Like-Sign Dielectrons in \ppbar Collisions at $\sqrt{s} = 1.8$ TeV

1999-08-27

arxiv.org/abs/hep-ex/9908063v1

Phys.Rev.Lett.83:2133-2138,1999

Physics

High Energy Physics

High Energy Physics - Experiment

Accepted by PRL, 11 pages, 3 figures

Scientific paper

10.1103/PhysRevLett.83.2133

We present a search for like-sign dielectron plus multijet events using 107 pb-1 of data in \ppbar collisions at $\sqrt{s} = 1.8$ TeV collected in 1992-95 by the CDF experiment. Finding no events that pass our selection, we set $\sigma\cdot Br$ limits on two SUSY processes that can produce this experimental signature: gluino-gluino or squark-antisquark production with R-parity violating decays of the charm squark or lightest neutralino via a non-zero lambda'_121 coupling. We compare our results to NLO calculations for gluino and squark production cross sections and set lower limits on M(gluino), M(stop1), and M(squark).

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