Reconstruction and identification of τ lepton decays to hadrons and ντ at CMS

CMS Collaboration

Research output: Contribution to journalArticlepeer-review

74 Citations (Scopus)

Abstract

This paper describes the algorithms used by the CMS experiment to reconstruct and identify τ → hadrons + νtau; decays during Run 1 of the LHC. The performance of the algorithms is studied in proton-proton collisions recorded at a centre-of-mass energy of 8 TeV, corresponding to an integrated luminosity of 19.7 fb-1. The algorithms achieve an identification efficiency of 50-60%, with misidentification rates for quark and gluon jets, electrons, and muons between per mille and per cent levels.

Original languageEnglish
Article numberP01019
JournalJournal of Instrumentation
Volume11
Issue number1
DOIs
Publication statusPublished - 29 Jan 2016
Externally publishedYes

Keywords

  • Large detector systems for particle and astroparticle physics
  • Particle identification methods

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