Search for pair-produced resonances decaying to jet pairs in proton-proton collisions at sqrt(s)= 8 TeV

Abstract : Results are reported of a general search for pair production of heavy resonances decaying to pairs of jets in events with at least four jets. The study is based on up to 19.4 inverse femtobarns of integrated luminosity from proton-proton collisions at a center-of-mass energy of 8 TeV, recorded with the CMS detector at the LHC. Limits are determined on the production of scalar top quarks (top squarks) in the framework of R-parity violating supersymmetry and on the production of color-octet vector bosons (colorons). First limits at the LHC are placed on top squark production for two scenarios. The first assumes decay to a bottom quark and a light-flavor quark and is excluded for masses between 200 and 385 GeV, and the second assumes decay to a pair of light-flavor quarks and is excluded for masses between 200 and 350 GeV at 95% confidence level. Previous limits on colorons decaying to light-flavor quarks are extended to exclude masses from 200 to 835 GeV.
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Physics Letters B, Elsevier, 2015, 747, pp.98. 〈10.1016/j.physletb.2015.04.045〉
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http://hal.in2p3.fr/in2p3-01101705
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Soumis le : vendredi 9 janvier 2015 - 14:14:43
Dernière modification le : jeudi 8 février 2018 - 11:07:25

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V. Khachatryan, M. Besancon, F. Couderc, M. Dejardin, D. Denegri, et al.. Search for pair-produced resonances decaying to jet pairs in proton-proton collisions at sqrt(s)= 8 TeV. Physics Letters B, Elsevier, 2015, 747, pp.98. 〈10.1016/j.physletb.2015.04.045〉. 〈in2p3-01101705〉

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