Search for heavy resonances decaying to tau lepton pairs in proton-proton collisions at √s=13 TeV

The CMS collaboration

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

A search for heavy resonances that decay to tau lepton pairs is performed using proton-proton collisions at s=13 TeV. The data were collected with the CMS detector at the CERN LHC and correspond to an integrated luminosity of 2.2 fb−1. The observations are in agreement with standard model predictions. An upper limit at 95% confidence level on the product of the production cross section and branching fraction into tau lepton pairs is calculated as a function of the resonance mass. For the sequential standard model, the presence of Z′ bosons decaying into tau lepton pairs is excluded for Z′ masses below 2.1 TeV, extending previous limits for this final state. For the topcolor-assisted technicolor model, which predicts Z′ bosons that preferentially couple to third-generation fermions, Z′ masses below 1.7 TeV are excluded, representing the most stringent limit to date.[Figure not available: see fulltext.]

Original languageEnglish
Article number48
JournalJournal of High Energy Physics
Volume2017
Issue number2
DOIs
Publication statusPublished - 1 Feb 2017

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leptons
collisions
protons
bosons
confidence
fermions
luminosity
detectors
cross sections
decay
products
predictions

Keywords

  • Beyond Standard Model
  • Hadron-Hadron scattering (experiments)
  • Particle and resonance production

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

Cite this

Search for heavy resonances decaying to tau lepton pairs in proton-proton collisions at √s=13 TeV. / The CMS collaboration.

In: Journal of High Energy Physics, Vol. 2017, No. 2, 48, 01.02.2017.

Research output: Contribution to journalArticle

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abstract = "A search for heavy resonances that decay to tau lepton pairs is performed using proton-proton collisions at s=13 TeV. The data were collected with the CMS detector at the CERN LHC and correspond to an integrated luminosity of 2.2 fb−1. The observations are in agreement with standard model predictions. An upper limit at 95{\%} confidence level on the product of the production cross section and branching fraction into tau lepton pairs is calculated as a function of the resonance mass. For the sequential standard model, the presence of Z′ bosons decaying into tau lepton pairs is excluded for Z′ masses below 2.1 TeV, extending previous limits for this final state. For the topcolor-assisted technicolor model, which predicts Z′ bosons that preferentially couple to third-generation fermions, Z′ masses below 1.7 TeV are excluded, representing the most stringent limit to date.[Figure not available: see fulltext.]",
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