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Title

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

CollaborationWith : Clark, Allan Geoffrey / Garcia Navarro, Jose Enrique / Lister, Alison / Wu, Xin
Published in Physical Review Letters. 2010, vol. 104, no. 01, p. 011801
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.
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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. https://archive-ouverte.unige.ch/unige:38650

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Deposited on : 2014-07-14

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