4.7 Article

Search for W ' bosons decaying to a top and a bottom quark at root s=13 TeV in the hadronic final state

Journal

PHYSICS LETTERS B
Volume 820, Issue -, Pages -

Publisher

ELSEVIER
DOI: 10.1016/j.physletb.2021.136535

Keywords

CMS; W ' search; Top resonances; Boosted top

Funding

  1. BMBWF (Austria)
  2. FWF (Austria)
  3. FNRS (Belgium)
  4. FWO (Belgium)
  5. CNPq (Brazil)
  6. CAPES (Brazil)
  7. FAPERJ (Brazil)
  8. FAPERGS (Brazil)
  9. FAPESP (Brazil)
  10. MES (Bulgaria)
  11. CERN
  12. CAS (China)
  13. MOST (China)
  14. NSFC (China)
  15. MINCIENCIAS (Colombia)
  16. MSES (Croatia)
  17. CSF (Croatia)
  18. RIF (Cyprus)
  19. SENESCYT (Ecuador)
  20. MoER (Estonia)
  21. ERC PUT (Estonia)
  22. ERDF (Estonia)
  23. Academy of Finland (Finland)
  24. MEC (Finland)
  25. HIP (Finland)
  26. CEA (France)
  27. CNRS/IN2P3 (France)
  28. BMBF (Germany)
  29. DFG (Germany)
  30. HGF (Germany)
  31. GSRT (Greece)
  32. NKFIA (Hungary)
  33. DAE (India)
  34. DST (India)
  35. IPM (Iran)
  36. SFI (Ireland)
  37. INFN (Italy)
  38. MSIP (Republic of Korea)
  39. NRF (Republic of Korea)
  40. MES (Latvia)
  41. LAS (Lithuania)
  42. MOE (Malaysia)
  43. UM (Malaysia)
  44. BUAP (Mexico)
  45. CINVESTAV (Mexico)
  46. LNS (Mexico)
  47. SEP (Mexico)
  48. UASLPFAI (Mexico)
  49. MOS (Montenegro)
  50. MBIE (New Zealand)
  51. PAEC (Pakistan)
  52. MSHE (Poland)
  53. NSC (Poland)
  54. FCT (Portugal)
  55. JINR (Dubna)
  56. MON (Russia)
  57. ROSATOM (Russia)
  58. RAS (Russia)
  59. RFBR (Russia)
  60. NRC KI (Russia)
  61. MESTD (Serbia)
  62. SEIDI (Spain)
  63. CPAN (Spain)
  64. PCTI (Spain)
  65. FEDER (Spain)
  66. MoSTR(Sri Lanka)
  67. Swiss Funding Agencies (Switzerland)
  68. MST (Taipei)
  69. ThEPCenter (Thailand)
  70. IPST (Thailand)
  71. STAR (Thailand)
  72. NSTDA (Thailand)
  73. TUBITAK (Turkey)
  74. TAEK (Turkey)
  75. NASU (Ukraine)
  76. STFC (United Kingdom)
  77. DOE (USA)
  78. NSF (USA)
  79. Marie-Curie program
  80. European Research Council and Horizon 2020 Grant [675440, 724704, 752730, 765710, 824093]
  81. Leventis Foundation
  82. Alfred P. Sloan Foundation
  83. Alexander von Humboldt Foundation
  84. Belgian Federal Science Policy Office
  85. Fonds pour la Formation a la Recherche dans l'Industrie et dans l'Agriculture (FRIA-Belgium)
  86. Agentschap voor Innovatie door Wetenschap en Technologie (IWT-Belgium)
  87. F.R.S.-FNRS (Belgium)
  88. FWO (Belgium) under the Excellence of Science -EOS -be.h project [30820817]
  89. Beijing Municipal Science AMP
  90. Technology Commission [Z191100007219010]
  91. Ministry of Education, Youth and Sports(MEYS) of the Czech Republic
  92. Deutsche Forschungsgemeinschaft (DFG), under Germany's Excellence Strategy -EXC 2121 Quantum Universe [390833306, 400140256 -GRK2497]
  93. Lendulet (Momentum) Program (Hungary)
  94. Janos Bolyai Research Scholarship of the Hungarian Academy of Sciences (Hungary)
  95. New National Excellence Program UNKP (Hungary)
  96. NKFIA (Hungary) [123842, 123959, 124845, 124850, 125105, 128713, 128786, 129058]
  97. Council of Science and Industrial Research, India
  98. Ministry of Science and Higher Education (Poland)
  99. National Science Centre (Poland) [Opus 2014/15/B/ST2/03998, 2015/19/B/ST2/02861]
  100. National Priorities Research Program by Qatar National Research Fund
  101. Ministry of Science and Higher Education (Russia) [0723-2020-0041]
  102. Programa Estatal de Fomento de la Investigacion Cientifica y Tecnica de Excelencia Maria de Maeztu [MDM-2015-0509]
  103. Programa Severo Ochoa del Principado de Asturias
  104. Rachadapisek Sompot Fund for Postdoctoral Fellowship, Chulalongkorn University (Thailand)
  105. Chulalongkorn Academic into Its 2nd Century Project Advancement Project (Thailand)
  106. Kavli Foundation
  107. Nvidia Corporation
  108. SuperMicro Corporation
  109. Welch Foundation [C1845]
  110. Weston Havens Foundation (USA)

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A search for W' bosons decaying to a top and a bottom quark in the all-hadronic final state was conducted using data collected by the CMS experiment. No excess above the estimated standard model background was observed, and upper limits on the production cross sections were set. Both left- and right-handed W' bosons with masses below 3.4TeV were excluded at 95% confidence level.
A search is performed for W ' bosons decaying to a top and a bottom quark in the all-hadronic final state, in proton-proton collisions at a center-of-mass energy of 13TeV. The analyzed data were collected by the CMS experiment between 2016 and 2018 and correspond to an integrated luminosity of 137fb(-1). Deep neural network algorithms are used to identify the jet initiated by the bottom quark and the jet containing the decay products of the top quark when the W ' boson from the top quark decays hadronically. No excess above the estimated standard model background is observed. Upper limits on the production cross sections of W ' bosons decaying to a top and a bottom quark are set. Both left- and right-handed W ' bosons with masses below 3.4TeV are excluded at 95% confidence level, and the most stringent limits to date on W ' bosons decaying to a top and a bottom quark in the all-hadronic final state are obtained. (C) 2021 The Author(s). Published by Elsevier B.V.

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