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Search for stop and higgsino production using diphoton Higgs boson decays

Abstract : Results are presented of a search for a "natural" supersymmetry scenario with gauge mediated symmetry breaking. It is assumed that only the supersymmetric partners of the top-quark (stop) and the Higgs boson (higgsino) are accessible. Events are examined in which there are two photons forming a Higgs boson candidate, and at least two b-quark jets. In 19.7 inverse femtobarns of proton-proton collision data at sqrt(s) = 8 TeV, recorded in the CMS experiment, no evidence of a signal is found and lower limits at the 95% confidence level are set, excluding the stop mass below 360 to 410 GeV, depending on the higgsino mass.
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http://hal.in2p3.fr/in2p3-00917556
Contributor : Sylvie Flores <>
Submitted on : Thursday, December 12, 2013 - 7:25:21 AM
Last modification on : Wednesday, November 25, 2020 - 4:10:43 PM

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S. Chatrchyan, S. Baffioni, F. Beaudette, P. Busson, C. Charlot, et al.. Search for stop and higgsino production using diphoton Higgs boson decays. Physical Review Letters, American Physical Society, 2014, 112, pp.161802. ⟨10.1103/PhysRevLett.112.161802⟩. ⟨in2p3-00917556⟩

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