학술논문
First Constraints on WIMP-Nucleon Effective Field Theory Couplings in an Extended Energy Region From LUX-ZEPLIN
Document Type
Working Paper
Author
LZ Collaboration; Aalbers, J.; Akerib, D. S.; Musalhi, A. K. Al; 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.; 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.; Asamar, E. Lopez; 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.; Miller, E. H.; Mizrachi, E.; Monte, A.; Monzani, M. E.; Mendoza, J. D. Morales; 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.; 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.
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Abstract
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 non-relativistic 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 keVnr. 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 non-relativistic WIMP-nucleon operator for both elastic and inelastic interactions in the isoscalar and isovector bases.
Comment: 17 pages 11 figures
Comment: 17 pages 11 figures