Search for top squark and higgsino production using diphoton Higgs boson decays
(2014) Physical Review Letters — Vol. 112, p. 161802 (2014)
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- 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 (the top squark) 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 top squark mass below 360 to 410 GeV, depending on the higgsino mass.
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Citations
CMS Collaboration, Basegmez, S., Beluffi, C., Bruno, G., Castello, R., Caudron, A., Ceard, L., Da Silveira, G. G., Delaere, C., Du Pree, T., Favart, D., Forthomme, L., Giammanco, A., Hollar, J., Jez, P., Komm, M., Lemaitre, V., Liao, J., Militaru, O., et al. (2014). Search for top squark and higgsino production using diphoton Higgs boson decays. Physical Review Letters, 112, 161802. https://doi.org/10.1103/PhysRevLett.112.161802 (Original work published 2014)