H. M. Araújo⁵, J. E. Armstrong⁶, M. Arthurs^1,2, A. Baker⁷, S. Balashov⁸, J. Bang⁹, J. W. Bargemann⁴, E. E. Barillier^10,11, D. Bauer⁵, K. Beattie¹², T. Benson¹³, A. Bhatti⁶, A. Biekert^12,14, T. P. Biesiadzinski^1,2, H. J. Birch^10,11, E. Bishop¹⁵, G. M. Blockinger¹⁶, B. Boxer¹⁷, C. A. J. Brew⁸, P. Brás¹⁸, S. Burdin¹⁹, M. Buuck^1,2, M. C. Carmona-Benitez²⁰, M. Carter¹⁹, A. Chawla²¹, H. Chen¹², J. J. Cherwinka¹³, Y. T. Chin²⁰, N. I. Chott²², M. V. Converse²³, R. Coronel^1,2, A. Cottle^3,*, G. Cox²⁴, D. Curran²⁴, C. E. Dahl^25,26, I. Darlington³, S. Dave³, A. David³, J. Delgaudio²⁴, S. Dey²⁷, L. de Viveiros²⁰, L. Di Felice⁵, C. Ding⁹, J. E. Y. Dobson⁷, E. Druszkiewicz²³, S. Dubey⁹, S. R. Eriksen²⁸, A. Fan^1,2, S. Fayer⁵, N. M. Fearon²⁷, N. Fieldhouse²⁷, S. Fiorucci¹², H. Flaecher²⁸, E. D. Fraser¹⁹, T. M. A. Fruth²⁹, R. J. Gaitskell⁹, A. Geffre²⁴, J. Genovesi²², C. Ghag³, A. Ghosh¹⁶, R. Gibbons^12,14, S. Gokhale³⁰, J. Green²⁷, M. G. D. van der Grinten⁸, J. J. Haiston²², C. R. Hall⁶, T. J. Hall¹⁹, S. Han^1,2, E. Hartigan-O’Connor⁹, S. J. Haselschwardt^10,12,†, M. A. Hernandez^10,11, S. A. Hertel³¹, G. Heuermann¹⁰, G. J. Homenides³², M. Horn²⁴, D. Q. Huang³³, D. Hunt²⁷, E. Jacquet⁵, R. S. James^3,‡, J. Johnson¹⁷, A. C. Kaboth²¹, A. C. Kamaha³³, Meghna K. K.¹⁶, D. Khaitan²³, A. Khazov⁸, I. Khurana³, J. Kim⁴, Y. D. Kim³⁴, J. Kingston¹⁷, R. Kirk⁹, D. Kodroff¹², L. Korley¹⁰, E. V. Korolkova³⁵, H. Kraus²⁷, S. Kravitz³⁶, L. Kreczko²⁸, V. A. Kudryavtsev³⁵, C. Lawes⁷, D. S. Leonard³⁴, K. T. Lesko¹², C. Levy¹⁶, J. Lin^12,14, A. Lindote¹⁸, W. H. Lippincott⁴, M. I. Lopes¹⁸, W. Lorenzon¹⁰, C. Lu⁹, S. Luitz^1,37, P. A. Majewski⁸, A. Manalaysay¹², R. L. Mannino³⁸, C. Maupin²⁴, M. E. McCarthy²³, G. McDowell¹⁰, D. N. McKinsey^12,14, J. McLaughlin²⁵, J. B. McLaughlin³, R. McMonigle¹⁶, E. Mizrachi^6,38, A. Monte⁴, M. E. Monzani^1,2,39, J. D. Morales Mendoza^1,2, E. Morrison²², B. J. Mount⁴⁰, M. Murdy³¹, A. St. J. Murphy¹⁵, A. Naylor³⁵, H. N. Nelson⁴, F. Neves¹⁸, A. Nguyen¹⁵, C. L. O’Brien³⁶, I. Olcina^12,14, K. C. Oliver-Mallory⁵, J. Orpwood³⁵, K. Y Oyulmaz¹⁵, K. J. Palladino²⁷, J. Palmer²¹, N. J. Pannifer²⁸, N. Parveen¹⁶, S. J. Patton¹², B. Penning^10,11, G. Pereira¹⁸, E. Perry³, T. Pershing³⁸, A. Piepke³², Y. Qie²³, J. Reichenbacher²², C. A. Rhyne⁹, A. Richards⁵, Q. Riffard¹², G. R. C. Rischbieter^10,11, E. Ritchey⁶, H. S. Riyat¹⁵, R. Rosero³⁰, T. Rushton³⁵, D. Rynders²⁴, D. Santone²¹, A. B. M. R. Sazzad³², R. W. Schnee²², G. Sehr³⁶, B. Shafer⁶, S. Shaw¹⁵, T. Shutt^1,2, J. J. Silk⁶, C. Silva¹⁸, G. Sinev²², J. Siniscalco³, R. Smith^12,14, V. N. Solovov¹⁸, P. Sorensen¹², J. Soria^12,14, I. Stancu³², A. Stevens^3,5, K. Stifter²⁶, B. Suerfu^12,14, T. J. Sumner⁵, M. Szydagis¹⁶, D. R. Tiedt²⁴, M. Timalsina¹², Z. Tong⁵, D. R. Tovey³⁵, J. Tranter³⁵, M. Trask⁴, M. Tripathi¹⁷, A. Usón¹⁵, A. Vacheret⁵, A. C. Vaitkus⁹, O. Valentino⁵, V. Velan¹², A. Wang^1,2, J. J. Wang³², Y. Wang^12,14, J. R. Watson^12,14, L. Weeldreyer³², T. J. Whitis⁴, K. Wild²⁰, M. Williams¹⁰, W. J. Wisniewski¹, L. Wolf²¹, F. L. H. Wolfs²³, S. Woodford¹⁹, D. Woodward^12,20, C. J. Wright²⁸, Q. Xia¹², J. Xu³⁸, Y. Xu³³, M. Yeh³⁰, D. Yeum⁶, W. Zha²⁰, and E. A. Zweig³³ (LZ Collaboration)

• ¹SLAC National Accelerator Laboratory, Menlo Park, California 94025-7015, USA
• ²Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, Stanford, California 94305-4085, USA
• ³University College London (UCL), Department of Physics and Astronomy, London WC1E 6BT, United Kingdom
• ⁴University of California, Santa Barbara, Department of Physics, Santa Barbara, California 93106-9530, USA
• ⁵Imperial College London, Physics Department, Blackett Laboratory, London SW7 2AZ, United Kingdom
• ⁶University of Maryland, Department of Physics, College Park, Maryland 20742-4111, USA
• ⁷King’s College London, Department of Physics, London WC2R 2LS, United Kingdom
• ⁸STFC Rutherford Appleton Laboratory (RAL), Didcot OX11 0QX, United Kingdom
• ⁹Brown University, Department of Physics, Providence, Rhode Island 02912-9037, USA
• ¹⁰University of Michigan, Randall Laboratory of Physics, Ann Arbor, Michigan 48109-1040, USA
• ¹¹University of Zürich, Department of Physics, 8057 Zürich, Switzerland
• ¹²Lawrence Berkeley National Laboratory (LBNL), Berkeley, California 94720-8099, USA
• ¹³University of Wisconsin-Madison, Department of Physics, Madison, Wisconsin 53706-1390, USA
• ¹⁴University of California, Berkeley, Department of Physics, Berkeley, California 94720-7300, USA
• ¹⁵University of Edinburgh, SUPA, School of Physics and Astronomy, Edinburgh EH9 3FD, United Kingdom
• ¹⁶University at Albany (SUNY), Department of Physics, Albany, New York 12222-0100, USA
• ¹⁷University of California, Davis, Department of Physics, Davis, California 95616-5270, USA
• ¹⁸Laboratório de Instrumentação e Física Experimental de Partículas (LIP), University of Coimbra, P-3004 516 Coimbra, Portugal
• ¹⁹University of Liverpool, Department of Physics, Liverpool L69 7ZE, United Kingdom
• ²⁰Pennsylvania State University, Department of Physics, University Park, Pennsylvania 16802-6300, USA
• ²¹Royal Holloway, University of London, Department of Physics, Egham TW20 0EX, United Kingdom
• ²²South Dakota School of Mines and Technology, Rapid City, South Dakota 57701-3901, USA
• ²³University of Rochester, Department of Physics and Astronomy, Rochester, New York 14627-0171, USA
• ²⁴South Dakota Science and Technology Authority (SDSTA), Sanford Underground Research Facility, Lead, South Dakota 57754-1700, USA
• ²⁵Northwestern University, Department of Physics and Astronomy, Evanston, Illinois 60208-3112, USA
• ²⁶Fermi National Accelerator Laboratory (FNAL), Batavia, Illinois 60510-5011, USA
• ²⁷University of Oxford, Department of Physics, Oxford OX1 3RH, United Kingdom
• ²⁸University of Bristol, H.H. Wills Physics Laboratory, Bristol BS8 1TL, United Kingdom
• ²⁹The University of Sydney, School of Physics, Physics Road, Camperdown, Sydney, New South Wales 2006, Australia
• ³⁰Brookhaven National Laboratory (BNL), Upton, New York 11973-5000, USA
• ³¹University of Massachusetts, Department of Physics, Amherst, Massachusetts 01003-9337, USA
• ³²University of Alabama, Department of Physics and Astronomy, Tuscaloosa, Alabama 34587-0324, USA
• ³³University of California, Los Angeles, Department of Physics and Astronomy, Los Angeles, California 90095-1547, USA
• ³⁴IBS Center for Underground Physics (CUP), Yuseong-gu, Daejeon, Korea
• ³⁵University of Sheffield, Department of Physics and Astronomy, Sheffield S3 7RH, United Kingdom
• ³⁶University of Texas at Austin, Department of Physics, Austin, Texas 78712-1192, USA
• ³⁷Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, Stanford, California 94305-4085, USA
• ³⁸Lawrence Livermore National Laboratory (LLNL), Livermore, California 94550-9698, USA
• ³⁹Vatican Observatory, Castel Gandolfo, V-00120, Vatican City State
• ⁴⁰Black Hills State University, School of Natural Sciences, Spearfish, South Dakota 57799-0002, USA

• ^*Contact author: a.cottle@ucl.ac.uk
• ^†Contact author: haselsco@umich.edu
• ^‡Also at The University of Melbourne, School of Physics, Melbourne, Victoria 3010, Australia.