4.8 Article

Search for Anomalous Top-Quark Couplings with the D0 Detector

Journal

PHYSICAL REVIEW LETTERS
Volume 102, Issue 9, Pages -

Publisher

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.102.092002

Keywords

-

Funding

  1. DOE and NSF ( USA)
  2. CEA and CNRS/IN2P3 ( France)
  3. FASI, Rosatom and RFBR ( Russia)
  4. CNPq, FAPERJ, FAPESP, and FUNDUNESP ( Brazil)
  5. DAE and DST ( India)
  6. Colciencias ( Colombia)
  7. CONACyT ( Mexico)
  8. KRF and KOSEF ( Korea)
  9. CONICET and UBACyT ( Argentina)
  10. FOM ( The Netherlands)
  11. STFC ( United Kingdom)
  12. MSMT and GACR ( Czech Republic)
  13. CRC Program, CFI, NSERC, and WestGrid Project ( Canada)
  14. BMBF and DFG ( Germany)
  15. SFI ( Ireland)
  16. The Swedish Research Council ( Sweden)
  17. CAS and CNSF ( China)
  18. Alexander von Humboldt Foundation ( Germany)
  19. STFC [ST/H00095X/1, PP/E000487/1, ST/F00754X/1, ST/H001166/1, ST/F007418/1] Funding Source: UKRI
  20. Science and Technology Facilities Council [ST/H001166/1, PP/E000487/1, ST/H00095X/1, ST/F007418/1, ST/F00754X/1] Funding Source: researchfish
  21. Direct For Mathematical & Physical Scien
  22. Division Of Physics [0757561] Funding Source: National Science Foundation

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Anomalous Wtb couplings modify the angular correlations of the top-quark decay products and change the single top-quark production cross section. We present limits on anomalous top-quark couplings by combining information from W boson helicity measurements in top-quark decays and anomalous coupling searches in the single top-quark final state. We set limits on right-handed vector couplings as well as left-handed and right-handed tensor couplings based on about 1 fb(-1) of data collected by the D0 experiment.

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