Reconstruction and identification of tau lepton decays to hadrons and nu(tau) at CMS
JOURNAL OF INSTRUMENTATION, vol.11, 2016 (SCI-Expanded, Scopus)
- Publication Type: Article / Article
- Volume: 11
- Publication Date: 2016
- Doi Number: 10.1088/1748-0221/11/01/p01019
- Journal Name: JOURNAL OF INSTRUMENTATION
- Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
- Keywords: Particle identification methods, Large detector systems for particle and astroparticle physics
- Istanbul University Affiliated: No
Abstract
This paper describes the algorithms used by the CMS experiment to reconstruct and identify tau -> hadrons + nu(tau) 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.