4.3 Article

Determination of jet energy calibration and transverse momentum resolution in CMS

Journal

JOURNAL OF INSTRUMENTATION
Volume 6, Issue -, Pages -

Publisher

IOP Publishing Ltd
DOI: 10.1088/1748-0221/6/11/P11002

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
  19. Finnish Ministry of Education and Culture
  20. Helsinki Institute of Physics
  21. Institut National de Physique Nucleaire et de Physique des Particules / CNRS
  22. Commissariat a l'Energie Atomique et aux Energies Alternatives / CEA, France
  23. Bundesministerium fur Bildung und Forschung
  24. Deutsche Forschungsgemeinschaft
  25. Helmholtz-Gemeinschaft Deutscher Forschungszentren, Germany
  26. General Secretariat for Research and Technology, Greece
  27. National Scientific Research Foundation
  28. National Office for Research and Technology, Hungary
  29. Department of Atomic Energy
  30. Department of Science and Technology, India
  31. Institute for Studies in Theoretical Physics and Mathematics, Iran
  32. Science Foundation, Ireland
  33. Istituto Nazionale di Fisica Nucleare, Italy
  34. Korean Ministry of Education, Science and Technology
  35. World Class University of NRF, Korea
  36. Lithuanian Academy of Sciences
  37. CINVESTAV
  38. CONACYT
  39. SEP
  40. UASLP-FAI
  41. Ministry of Science and Innovation, New Zealand
  42. Pakistan Atomic Energy Commission
  43. State Commission for Scientific Research, Poland
  44. Fundacao para a Ciencia e a Tecnologia, Portugal
  45. JINR (Armenia)
  46. JINR (Belarus)
  47. JINR (Georgia)
  48. JINR (Ukraine)
  49. JINR (Uzbekistan)
  50. Ministry of Science and Technologies of the Russian Federation
  51. Russian Ministry of Atomic Energy
  52. Russian Foundation for Basic Research
  53. Ministry of Science and Technological Development of Serbia
  54. Ministerio de Ciencia e Innovacion
  55. Programa Consolider-Ingenio 2010, Spain
  56. ETH Board
  57. ETH Zurich
  58. PSI
  59. SNF
  60. UniZH
  61. Canton Zurich
  62. SER
  63. National Science Council, Taipei
  64. Scientific and Technical Research Council of Turkey
  65. Turkish Atomic Energy Authority
  66. Science and Technology Facilities Council, UK
  67. US Department of Energy
  68. US National Science Foundation
  69. Marie-Curie programme
  70. European Research Council (European Union)
  71. Leventis Foundation
  72. A. P. Sloan Foundation
  73. Alexander von Humboldt Foundation
  74. Associazione per lo Sviluppo Scientifico e Tecnologico del Piemonte (Italy)
  75. Belgian Federal Science Policy Office
  76. Fonds pour la Formation a la Recherche dans l'Industrie et dans l'Agriculture (FRIA-Belgium)
  77. Agentschap voor Innovatie door Wetenschap en Technologie (IWT-Belgium)
  78. Council of Science and Industrial Research, India
  79. STFC [ST/F007094/1, ST/H00081X/2, ST/I002200/1, ST/I505572/1, ST/G502347/1, ST/I005912/1, ST/I000410/1, ST/F006748/1] Funding Source: UKRI
  80. Science and Technology Facilities Council [ST/I002200/1, ST/I005912/1 GRIDPP, PP/D004284/1, ST/F006748/1, CMS, ST/G502347/1, GRIDPP, ST/I005912/1, ST/I000410/1, ST/I505572/1, ST/F007094/1] Funding Source: researchfish

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Measurements of the jet energy calibration and transverse momentum resolution in CMS are presented, performed with a data sample collected in proton-proton collisions at a centre-of-mass energy of 7TeV, corresponding to an integrated luminosity of 36p(-1). The transverse momentum balance in dijet and gamma/Z+jets events is used to measure the jet energy response in the CMS detector, as well as the transverse momentum resolution. The results are presented for three different methods to reconstruct jets: a calorimeter-based approach, the Jet-Plus-Track approach, which improves the measurement of calorimeter jets by exploiting the associated tracks, and the Particle Flow approach, which attempts to reconstruct individually each particle in the event, prior to the jet clustering, based on information from all relevant subdetectors.

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