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Title: Constraints on Covariant Dark-Matter–Nucleon Effective Field Theory Interactions from the First Science Run of the LUX-ZEPLIN Experiment

Journal Article · · Physical Review Letters
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  1. SLAC; Stanford U., Phys. Dept.; KIPAC, Menlo Park
  2. University Coll. London
  3. UC, Santa Barbara; Michigan U.
  4. Imperial Coll., London
  5. Maryland U.
  6. Rutherford
  7. Brown U. (main)
  8. Michigan U.; Zurich U.
  9. UC, Santa Barbara
  10. LBNL, Berkeley
  11. Wisconsin U., Madison
  12. LBNL, Berkeley; UC, Berkeley
  13. Edinburgh U.
  14. SUNY, Albany
  15. UC, Davis
  16. LIP, Coimbra
  17. Liverpool U.
  18. Penn State U.
  19. Royal Holloway, U. of London
  20. South Dakota Sch. Mines Tech.
  21. Rochester U.
  22. Unlisted, US
  23. Northwestern U.; Fermilab
  24. Oxford U.
  25. King's Coll. London
  26. Bristol U.
  27. Sydney U.
  28. RIKEN BNL
  29. Massachusetts U., Amherst
  30. Michigan U.
  31. Alabama U.
  32. UCLA
  33. IBS, Daejeon, CUP
  34. Penn State U.; LBNL, Berkeley
  35. Sheffield U.
  36. LBNL, Berkeley; Texas U.; Texas U., TCC
  37. SLAC; Stanford U., Phys. Dept.
  38. LLNL, Livermore
  39. Northwestern U.
  40. Maryland U.; LLNL, Livermore
  41. SLAC; Stanford U., Phys. Dept.; KIPAC, Menlo Park; Vatican Astron. Observ.
  42. Black Hills State U.
  43. University Coll. London; Imperial Coll., London
  44. Fermilab
  45. LBNL, Berkeley; South Dakota Sch. Mines Tech.
  46. Texas A-M; HARC, Woodlands
  47. Brown U. (main); RIKEN BNL
+ Show Author Affiliations

The LUX-ZEPLIN (LZ) experiment is a dual-phase xenon time project chamber operating in the Sanford Underground Research Facility in South Dakota, USA. We report on the results of a relativistic extension to the nonrelativistic effective field theory (NREFT) from a 5.5 t fiducial mass and 60 live days of exposure. We present constraints on couplings from covariant interactions arising from the coupling of vector, axial currents, and electric dipole moments of the nucleon to the magnetic and electric dipole moments of the weakly interacting massive particle which cannot be described by recasting previous results described by an NREFT. Using a profile-likelihood ratio analysis, in an energy region between 0 keVnr to 270 keVnr, we report 90% confidence level exclusion limits on the coupling strength of five interactions in both the isoscalar and isovector bases.

Research Organization:
Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States); Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States); The State University of New York, Albany, NY (United States)
Sponsoring Organization:
USDOE; USDOE National Nuclear Security Administration (NNSA)
Contributing Organization:
LZ Collaboration
Grant/Contract Number:
89243024CSC000002; AC02-05CH11231; AC02-07CH11359; AC02-76SF00515; AC52-07NA27344; NA0003180; SC0004768; SC0006605; SC0008475; SC0009999; SC0010010; SC0010072; SC0010813; SC0011702; SC0012161; SC0012704; SC0013542; SC0014223; SC0015535; SC0015708; SC0015910; SC0018982; SC0019066; SC0019193; SC0019319; SC0020216; SC0024114; SC0024225
OSTI ID:
2478892
Report Number(s):
FERMILAB-PUB--24-0760-V; LLNL--JRNL-2003226; oai:inspirehep.net:2781562; arXiv:2404.17666
Journal Information:
Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 22 Vol. 133; ISSN 1079-7114; ISSN 0031-9007
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English

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