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Search for Supersymmetry with Gauge-Mediated Breaking in Diphoton Events with Missing Transverse Energy at CDF II

ContributorsCDF Collaboration
Published inPhysical review letters, vol. 104, no. 01, 011801
Publication date2010
Abstract

We present the results of a search for supersymmetry with gauge-mediated breaking and χ˜01→γG˜ in the γγ+missing transverse energy final state. In 2.6±0.2  fb−1 of pp collisions at s√=1.96  TeV recorded by the CDF II detector we observe no candidate events, consistent with a standard model background expectation of 1.4±0.4 events. We set limits on the cross section at the 95% C.L. and place the world's best limit of 149  GeV/c2 on the χ˜01 mass at τχ˜01≪1  ns. We also exclude regions in the χ˜01 mass-lifetime plane for τχ˜01≲2  ns.

Citation (ISO format)
CDF Collaboration. Search for Supersymmetry with Gauge-Mediated Breaking in Diphoton Events with Missing Transverse Energy at CDF II. In: Physical review letters, 2010, vol. 104, n° 01, p. 011801. doi: 10.1103/PhysRevLett.104.011801
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ISSN of the journal0031-9007
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