4.8 Article

Search for Resonant Pair Production of Neutral Long-Lived Particles Decaying to b(b)over-bar in p(p)over-bar Collisions at √s=1.96 TeV

Journal

PHYSICAL REVIEW LETTERS
Volume 103, Issue 7, Pages -

Publisher

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.103.071801

Keywords

-

Funding

  1. DOE
  2. NSF (USA)
  3. CEA
  4. CNRS/IN2P3 (France)
  5. FASI
  6. Rosatom
  7. RFBR (Russia)
  8. CNPq
  9. FAPERJ
  10. FAPESP
  11. FUNDUNESP (Brazil)
  12. DAE
  13. DST (India)
  14. Colciencias (Colombia)
  15. CONACyT (Mexico)
  16. KRF
  17. KOSEF (Korea)
  18. CONICET
  19. UBACyT (Argentina)
  20. FOM (The Netherlands)
  21. STFC
  22. Royal Society (United Kingdom)
  23. MSMT
  24. GACR (Czech Republic)
  25. CRC Program
  26. CFI
  27. NSERC
  28. BMBF
  29. DFG (Germany)
  30. SFI (Ireland)
  31. The Swedish Research Council (Sweden)
  32. CAS
  33. CNSF (China)
  34. Alexander von Humboldt Foundation (Germany)
  35. STFC [PP/E000487/1, ST/F00754X/1, ST/H001166/1, ST/F007418/1, ST/H00095X/1, ST/H001069/1, PP/F000863/1] Funding Source: UKRI
  36. Science and Technology Facilities Council [ST/H001166/1, PP/E000487/1, ST/H00095X/1, ST/F007418/1, ST/F00754X/1, PP/F000863/1] Funding Source: researchfish

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We report on a first search for resonant pair production of neutral long-lived particles (NLLP) which each decay to a b (b) over bar pair, using 3.6 fb(-1) of data recorded with the D0 detector at the Fermilab Tevatron collider. We search for pairs of displaced vertices in the tracking detector at radii in the range 1.6-20 cm from the beam axis. No significant excess is observed above background, and upper limits are set on the production rate in a hidden-valley benchmark model for a range of Higgs boson masses and NLLP masses and lifetimes.

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