4.3 Article

Performance of τ-lepton reconstruction and identification in CMS

Journal

JOURNAL OF INSTRUMENTATION
Volume 7, Issue -, Pages -

Publisher

IOP PUBLISHING LTD
DOI: 10.1088/1748-0221/7/01/P01001

Keywords

Si microstrip and pad detectors; Calorimeter methods; Detector modelling and simulations I (interaction of radiation with matter, interaction of photons with matter, interaction of hadrons with matter,etc)

Funding

  1. Austrian Federal Ministry of Science and Research
  2. Belgium Fonds de la Recherche Scientifique
  3. Fonds voor Wetenschappelijk Onderzoek
  4. CNPq
  5. CAPES
  6. FAPERJ
  7. FAPESP
  8. Bulgarian Ministry of Education and Science
  9. CERN
  10. Chinese Academy of Sciences
  11. Ministry of Science and Technology
  12. National Natural Science Foundation of China
  13. Colombian Funding Agency (COLCIENCIAS)
  14. Croatian Ministry of Science, Education and Sport
  15. Research Promotion Foundation, Cyprus
  16. Estonian Academy of Sciences
  17. NICPB
  18. Academy of Finland, Finnish Ministry of Education and Culture
  19. Helsinki Institute of Physics
  20. Institut National de Physique Nucleaire et de Physique des Particules / CNRS
  21. Commissariat a l'Energie Atomique et aux Energies Alternatives / CEA, France
  22. Bundesministerium fur Bildung und Forschung
  23. Deutsche Forschungsgemeinschaft
  24. Helmholtz-Gemeinschaft Deutscher Forschungszentren, Germany
  25. General Secretariat for Research and Technology, Greece
  26. National Scientific Research Foundation
  27. National Office for Research and Technology, Hungary
  28. Department of Atomic Energy
  29. Department of Science and Technology, India
  30. Institute for Studies in Theoretical Physics and Mathematics, Iran
  31. Science Foundation, Ireland
  32. Istituto Nazionale di Fisica Nucleare, Italy
  33. Korean Ministry of Education, Science and Technology
  34. World Class University of NRF, Korea
  35. Lithuanian Academy of Sciences
  36. CINVESTAV
  37. CONACYT
  38. SEP
  39. UASLP-FAI
  40. Ministry of Science and Innovation, New Zealand
  41. Pakistan Atomic Energy Commission
  42. State Commission for Scientific Research, Poland
  43. Fundacao para a Ciencia e a Tecnologia, Portugal
  44. JINR (Armenia)
  45. JINR (Belarus)
  46. JINR (Georgia)
  47. JINR (Ukraine)
  48. JINR (Uzbekistan)
  49. Ministry of Science and Technologies of the Russian Federation
  50. Russian Ministry of Atomic Energy
  51. Russian Foundation for Basic Research
  52. Ministry of Science and Technological Development of Serbia
  53. Ministerio de Ciencia e Innovacion,
  54. Programa Consolider-Ingenio, Spain
  55. ETH Board
  56. ETH Zurich
  57. PSI
  58. SNF
  59. UniZH
  60. Canton Zurich
  61. SER
  62. National Science Council, Taipei
  63. Scientific and Technical Research Council of Turkey
  64. Turkish Atomic Energy Authority
  65. Science and Technology Facilities Council, U.K.
  66. US Department of Energy
  67. US National Science Foundation
  68. Marie-Curie programme
  69. European Research Council (European Union)
  70. Leventis Foundation
  71. A. P. Sloan Foundation
  72. Alexander von Humboldt Foundation
  73. Belgian Federal Science Policy Office
  74. Fonds pour la Formation a la Recherche dans l'Industrie et dans l'Agriculture (FRIA-Belgium)
  75. Agentschap voor Innovatie door Wetenschap en Technologie (IWT-Belgium)
  76. Council of Science and Industrial Research, India
  77. STFC [ST/F007434/1, ST/I505572/1, ST/I002200/1, ST/K001604/1, ST/J004901/1, ST/F007094/1, ST/J005665/1, ST/I505580/1, ST/I005912/1, ST/I000410/1, ST/H000925/1, ST/F006748/1, ST/H00081X/2, ST/G502347/1] Funding Source: UKRI
  78. Science and Technology Facilities Council [ST/I005912/1 GRIDPP, ST/I505580/1, ST/K001604/1 CMS Upgrade, ST/K001604/1 SuperNEMO, ST/J005665/1, ST/K001604/1 LHCb, ST/I000410/1, ST/I505572/1, ST/J004901/1, ST/K001604/1 T2K, ST/K001604/1, ST/F007094/1, ST/I003622/1 GRIDPP, ST/I005912/1, GRIDPP, ST/H000925/1, ST/I002200/1, PP/D004284/1, ST/F006748/1, CMS, ST/G502347/1, ST/F007434/1, ST/K001604/1 DMUK, ST/K001604/1 LHCb Upgrades, ST/K001604/1 GRIDPP, ST/K001604/1 MICE/UKNF] Funding Source: researchfish

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The performance of tau-lepton reconstruction and identification algorithms is studied using a data sample of proton-proton collisions at root s = 7 TeV, corresponding to an integrated luminosity of 36 pb(-1) collected with the CMS detector at the LHC. The tau leptons that decay into one or three charged hadrons, zero or more short-lived neutral hadrons, and a neutrino are identified using final-state particles reconstructed in the CMS tracker and electromagnetic calorimeter. The reconstruction efficiency of the algorithms is measured using tau leptons produced in Z-boson decays. The tau-lepton misidentification rates for jets and electrons are determined.

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