First constraints on WIMP-nucleon effective field theory couplings in an extended energy region from LUX-ZEPLIN
Authors: Aalbers J. , Akerib D. S. , Al Musalhi A. K. , Alder F. , Amarasinghe C. S. , Ames A. , Anderson T. J. , Angelides N. , Araújo H. M. , Armstrong J. E. , Arthurs M. , Baker A. , Balashov S. , Bang J. , Bargemann J. W. , Baxter A. , Beattie K. , Benson T. , Bhatti A. , Biekert A. , Biesiadzinski T. P. , Birch H. J. , Bishop E. , Blockinger G. M. , Boxer B. , Brew C. A. J. , Brás P. , Burdin S. , Buuck M. , Carmona-Benitez M. C. , Carter M. , Chawla A. , Chen H. , Cherwinka J. J. , Chott N. I. , Converse M. V. , Cottle A. , Cox G. , Curran D. , Dahl C. E. , David A. , Delgaudio J. , Dey S. , de Viveiros L. , Ding C. , Dobson J. E. Y. , Druszkiewicz E. , Eriksen S. R. , Fan A. , Fearon N. M. , Fiorucci S. , Flaecher H. , Fraser E. D. , Fruth T. M. A. , Gaitskell R. J. , Geffre A. , Genovesi J. , Ghag C. , Gibbons R. , Gokhale S. , Green J. , van der Grinten M. G. D. , Hall C. R. , Han S. , Hartigan-O’Connor E. , Haselschwardt S. J. , Hernandez M. A. , Hertel S. A. , Heuermann G. , Homenides G. J. , Horn M. , Huang D. Q. , Hunt D. , Ignarra C. M. , Jacquet E. , James R. S. , Johnson J. , Kaboth A. C. , Kamaha A. C. , Khaitan D. , Khazov A. , Khurana I. , Kim J. , Kingston J. , Kirk R. , Kodroff D. , Korley L. , Korolkova E. V. , Kraus H. , Kravitz S. , Kreczko L. , Krikler B. , Kudryavtsev V. A. , Lee J. , Leonard D. S. , Lesko K. T. , Levy C. , Lin J. , Lindote A. , Linehan R. , Lippincott W. H. , Lopes M. I. , Lopez Asamar E. , Lorenzon W. , Lu C. , Luitz S. , Majewski P. A. , Manalaysay A. , Mannino R. L. , Maupin C. , McCarthy M. E. , McDowell G. , McKinsey D. N. , McLaughlin J. , McMonigle R. , Miller E. H. , Mizrachi E. , Monte A. , Monzani M. E. , Morales Mendoza J. D. , Morrison E. , Mount B. J. , Murdy M. , Murphy A. St. J. , Naylor A. , Nedlik C. , Nelson H. N. , Neves F. , Nguyen A. , Nikoleyczik J. A. , Olcina I. , Oliver-Mallory K. C. , Orpwood J. , Palladino K. J. , Palmer J. , Pannifer N. J. , Parveen N. , Patton S. J. , Penning B. , Pereira G. , Perry E. , Pershing T. , Piepke A. , Qie Y. , Reichenbacher J. , Rhyne C. A. , Riffard Q. , Rischbieter G. R. C. , Riyat H. S. , Rosero R. , Rushton T. , Rynders D. , Santone D. , Sazzad A. B. M. R. , Schnee R. W. , Shaw S. , Shutt T. , Silk J. J. , Silva C. , Sinev G. , Smith R. , Solovov V. N. , Sorensen P. , Soria J. , Stancu I. , Stevens A. , Stifter K. , Suerfu B. , Sumner T. J. , Szydagis M. , Taylor W. C. , Tiedt D. R. , Timalsina M. , Tong Z. , Tovey D. R. , Tranter J. , Trask M. , Tripathi M. , Tronstad D. R. , Turner W. , Vacheret A. , Vaitkus A. C. , Velan V. , Wang A. , Wang J. J. , Wang Y. , Watson J. R. , Webb R. C. , Weeldreyer L. , Whitis T. J. , Williams M. , Wisniewski W. J. , Wolfs F. L. H. , Woodford S. , Woodward D. , Wright C. J. , Xia Q. , Xiang X. , Xu J. , Yeh M. , Zweig E. A. ,   LZ Collaboration
Published: May 2024

Following the first science results of the LUX-ZEPLIN (LZ) experiment, a dual-phase xenon time projection chamber operating from the Sanford Underground Research Facility in Lead, South Dakota, USA, we report the initial limits on a model-independent nonrelativistic effective field theory describing the complete set of possible interactions of a weakly interacting massive particle (WIMP) with a nucleon. These results utilize the same 5.5 t fiducial mass and 60 live days of exposure collected for the LZ spin-independent and spin-dependent analyses while extending the upper limit of the energy region of interest by a factor of 7.5 to 270 keV. No significant excess in this high energy region is observed. Using a profile-likelihood ratio analysis, we report 90% confidence level exclusion limits on the coupling of each individual nonrelativistic WIMP-nucleon operator for both elastic and inelastic interactions in the isoscalar and isovector bases.

Published by the American Physical Society
2024