Search for top squarks decaying via four-body or chargino-mediated modes in single-lepton final states in proton-proton collisions at √s=13 TeV

  • CMS Collaboration
  • Karapınar, Güler
Publication date
September 2018
Publisher
Springer Science and Business Media LLC
Journal
Journal of High Energy Physics

Abstract

A search for the pair production of the lightest supersymmetric partner of the top quark (t ˜ 1) is presented. The search focuses on a compressed scenario where the mass difference between the top squark and the lightest supersymmetric particle, often considered to be the lightest neutralino (χ˜10), is smaller than the mass of the W boson. The proton-proton collision data were recorded by the CMS experiment at a centre-of-mass energy of 13 TeV, and correspond to an integrated luminosity of 35.9 fb−1. In this search, two decay modes of the top squark are considered: a four-body decay into a bottom quark, two additional fermions, and a χ˜10; and a decay via an intermediate chargino. Events are selected using the presence of a high-momentum je...

Extracted data

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