Search for narrow high-mass resonances in proton–proton collisions at s=8 TeV decaying to a Z and a Higgs boson

CMS Collaboration

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48 Citations (Scopus)

Abstract

A search for a narrow, high-mass resonance decaying into Z and Higgs (H) bosons is presented. The final state studied consists of a merged jet pair and a τ pair resulting from the decays of Z and H bosons, respectively. The analysis is based on a data sample of proton–proton collisions at a center-of-mass energy of 8 TeV, collected with the CMS experiment in 2012, and corresponding to an integrated luminosity of 19.7 fb−1. In the resonance mass range of interest, which extends from 0.8 to 2.5 TeV, the Z and H bosons are produced with large momenta, which implies that the final products of the two quarks or the two τ leptons must be detected within a small angular interval. From a combination of all possible decay modes of the τ leptons, production cross sections in a range between 0.9 and 27.8 fb are excluded at 95% confidence level, depending on the resonance mass.

Original languageEnglish
Pages (from-to)255-277
Number of pages23
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume748
DOIs
Publication statusPublished - 2 Sept 2015
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2015 CERN for the benefit of the CMS Collaboration

Keywords

  • Boosted topology
  • CMS
  • Jets
  • Physics
  • Resonance production
  • Tau leptons

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