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Journal articles

Search for monotop signatures in proton-proton collisions at sqrt(s) = 8 TeV

Abstract : Results are presented from a search for new decaying massive particles whose presence is inferred from an imbalance in transverse momentum and which are produced in association with a single top quark that decays into a bottom quark and two light quarks. The measurement is performed using 19.7 inverse femtobarns of data from proton-proton collisions at a center-of-mass energy of 8 TeV, collected with the CMS detector at the CERN LHC. No deviations from the standard model predictions are observed and lower limits are set on the masses of new invisible bosons. In particular, scalar and vector particles, with masses below 330 and 650 GeV, respectively, are excluded at 95% confidence level, thus substantially extending a previous limit published by the CDF Collaboration.
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Contributor : Dominique Girod Connect in order to contact the contributor
Submitted on : Tuesday, October 7, 2014 - 11:17:39 AM
Last modification on : Monday, December 13, 2021 - 9:15:24 AM

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V. Khachatryan, M. Besancon, F. Couderc, M. Dejardin, D. Denegri, et al.. Search for monotop signatures in proton-proton collisions at sqrt(s) = 8 TeV. Physical Review Letters, American Physical Society, 2015, 114 (10), pp.101801. ⟨10.1103/PhysRevLett.114.101801⟩. ⟨in2p3-01071978⟩



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