4.4 Article

Top-quark mass measurement in the all-hadronic t(t)over-bar decay channel at √s=8 TeV with the ATLAS detector

Journal

JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 9, Pages -

Publisher

SPRINGER
DOI: 10.1007/JHEP09(2017)118

Keywords

Hadron-Hadron scattering (experiments); Top physics

Funding

  1. ANPCyT, Argentina
  2. YerPhI, Armenia
  3. ARC, Australia
  4. BMWFW, Austria
  5. FWF, Austria
  6. ANAS, Azerbaijan
  7. SSTC, Belarus
  8. CNPq, Brazil
  9. FAPESP, Brazil
  10. NSERC, NRC, Canada
  11. CFI, Canada
  12. CERN
  13. CONICYT, Chile
  14. CAS, China
  15. MOST, China
  16. NSFC, China
  17. COLCIENCIAS, Colombia
  18. MSMT CR, Czech Republic
  19. MPO CR , Czech Republic
  20. VSC CR, Czech Republic
  21. DNRF, Denmark
  22. DNSRC, Denmark
  23. IN2P3-CNRS, France
  24. CEA-DSM/IRFU, France
  25. SRNSF, Georgia
  26. BMBF, Germany
  27. HGF, Germany
  28. MPG, Germany
  29. GSRT, Greece
  30. RGC, China
  31. Hong Kong SAR, China
  32. ISF, Israel
  33. I -CORE, Israel
  34. Benoziyo Center, Israel
  35. INFN, Italy
  36. MEXT, Japan
  37. JSPS, Japan
  38. CNRST, Morocco
  39. NWO, Netherlands
  40. RCN, Norway
  41. MNiSW, Poland
  42. NCN, Poland
  43. FCT, Portugal
  44. MNE/IFA, Romania
  45. MES of Russia
  46. NRC KI, Russian Federation
  47. JINR
  48. MESTD, Serbia
  49. MSSR, Slovakia
  50. ARRS, Slovenia
  51. MIZS, Slovenia
  52. DST/NRF, South Africa
  53. MINECO, Spain
  54. SRC, Sweden
  55. Wallenberg Foundation, Sweden
  56. SERI, Switzerland
  57. SNSF, Switzerland
  58. Cantons of Bern and Geneva, Switzerland
  59. MOST, Taiwan
  60. TAEK, Turkey
  61. STFC, United Kingdom
  62. DOE, United States of America
  63. NSF, United States of America
  64. BCKDF, Canada
  65. Canada Council, Canada
  66. CANARIE, Canada
  67. CRC, Canada
  68. Compute Canada, Canada
  69. FQRNT, Canada
  70. Ontario Innovation Trust, Canada
  71. EPLANET
  72. ERC
  73. ERDF
  74. FP7
  75. Horizon
  76. Marie Sklodowska-Curie Actions, European Union
  77. Investissements davenir Labex, France
  78. Idex, France
  79. ANR, France
  80. Region Auvergne, France
  81. Fondation Partager le Savoir, France
  82. DFG, Germany
  83. AvH Foundation, Germany
  84. Herakleitos programmes
  85. Thales programmes
  86. Aristeia programmes
  87. EU-ESF
  88. Greek NSRF
  89. BSF, Israel
  90. GIF, Israel
  91. Minerva, Israel
  92. BRF, Norway
  93. CERCA Programme Generalitat de Catalunya, Spain
  94. Generalitat Valenciana, Spain
  95. Royal Society, United Kingdom
  96. Leverhulme Trust, United Kingdom
  97. Division Of Physics
  98. Direct For Mathematical & Physical Scien [1624739] Funding Source: National Science Foundation
  99. STFC [ST/N000234/1, ST/K001361/1, ST/P002439/1, ST/H001158/2, ST/N000331/1, ST/I005846/1, ST/M006417/1, PP/E000452/1, ST/K003666/1, ST/N000277/1, ST/L001144/1, ST/L005662/1, ST/M001431/1, ST/H001158/1] Funding Source: UKRI
  100. Science and Technology Facilities Council [ST/M001431/1, ST/N000234/1, ST/M006417/1, PP/E000452/1, ST/K001361/1, 1366825, ST/I005846/1, ST/L005662/1, ST/N000331/1, ST/L001144/1, GRIDPP, ST/K003666/1, ST/H001158/2, ST/N000277/1, ATLAS, ST/H001158/1] Funding Source: researchfish

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The top-quark mass is measured in the all-hadronic top-antitop quark decay channel using proton-proton collisions at a centre-of-mass energy of root s = 8 TeV with the ATLAS detector at the CERN Large Hadron Collider. The data set used in the analysis corresponds to an integrated luminosity of 20.2 fb(-1). The large multi-jet background is modelled using a data-driven method. The top-quark mass is obtained from template fits to the ratio of the three-jet to the dijet mass. The three-jet mass is obtained from the three jets assigned to the top quark decay. From these three jets the dijet mass is obtained using the two jets assigned to the W boson decay. The top-quark mass is measured to be 173.72 +/- 0.55 (stat.) +/- 1.01 (syst.) GeV.

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