Projected sensitivity of the LUX-ZEPLIN experiment to the <math xmlns="http://www.w3.org/1998/Math/MathML"><mrow><mn>0</mn><mi>ν</mi><mi>β</mi><mi>β</mi></mrow></math> decay of <math xmlns="http://www.w3.org/1998/Math/MathML"><mmultiscripts><mi>Xe</mi><mprescripts></mprescripts><none></none><mn>136</mn></mmultiscripts></math>

LUX-ZEPLIN (LZ) Collaboration; D. S. Akerib; C. W. Akerlof; A. Alqahtani; S. K. Alsum; T. J. Anderson; N. Angelides; H. M. Araújo; J. E. Armstrong; M. Arthurs; X. Bai; J. Balajthy; S. Balashov; J. Bang; A. Baxter; J. Bensinger; E. P. Bernard; A. Bernstein; A. Bhatti; A. Biekert; T. P. Biesiadzinski; H. J. Birch; K. E. Boast; B. Boxer; P. Brás; J. H. Buckley; V. V. Bugaev; S. Burdin; J. K. Busenitz; R. Cabrita; C. Carels; D. L. Carlsmith; M. C. Carmona-Benitez; M. Cascella; C. Chan; N. I. Chott; A. Cole; A. Cottle; J. E. Cutter; C. E. Dahl; L. de Viveiros; J. E. Y. Dobson; E. Druszkiewicz; T. K. Edberg; S. R. Eriksen; A. Fan; S. Fiorucci; H. Flaecher; E. D. Fraser; T. Fruth; R. J. Gaitskell; J. Genovesi; C. Ghag; E. Gibson; M. G. D. Gilchriese; S. Gokhale; M. G. D. van der Grinten; C. R. Hall; A. Harrison; S. J. Haselschwardt; S. A. Hertel; J. Y-K. Hor; M. Horn; D. Q. Huang; C. M. Ignarra; O. Jahangir; W. Ji; J. Johnson; A. C. Kaboth; A. C. Kamaha; K. Kamdin; K. Kazkaz; D. Khaitan; A. Khazov; I. Khurana; C. D. Kocher; L. Korley; E. V. Korolkova; J. Kras; H. Kraus; S. Kravitz; L. Kreczko; B. Krikler; V. A. Kudryavtsev; E. A. Leason; J. Lee; D. S. Leonard; K. T. Lesko; C. Levy; J. Li; J. Liao; F.-T. Liao; J. Lin; A. Lindote; R. Linehan; W. H. Lippincott; R. Liu; X. Liu; C. Loniewski; M. I. Lopes; B. López Paredes; W. Lorenzon; S. Luitz; J. M. Lyle; P. A. Majewski; A. Manalaysay; L. Manenti; R. L. Mannino; N. Marangou; M. F. Marzioni; D. N. McKinsey; J. McLaughlin; Y. Meng; E. H. Miller; E. Mizrachi; A. Monte; M. E. Monzani; J. A. Morad; E. Morrison; B. J. Mount; A. St. J. Murphy; D. Naim; A. Naylor; C. Nedlik; C. Nehrkorn; H. N. Nelson; F. Neves; J. A. Nikoleyczik; A. Nilima; K. O'Sullivan; I. Olcina; K. C. Oliver-Mallory; S. Pal; K. J. Palladino; J. Palmer; N. Parveen; E. K. Pease; B. Penning; G. Pereira; K. Pushkin; J. Reichenbacher; C. A. Rhyne; Q. Riffard; G. R. C. Rischbieter; R. Rosero; P. Rossiter; G. Rutherford; D. Santone; A. B. M. R. Sazzad; R. W. Schnee; M. Schubnell; D. Seymour; S. Shaw; T. A. Shutt; J. J. Silk; C. Silva; R. Smith; M. Solmaz; V. N. Solovov; P. Sorensen; I. Stancu; A. Stevens; K. Stifter; T. J. Sumner; N. Swanson; M. Szydagis; M. Tan; W. C. Taylor; R. Taylor; D. J. Temples; P. A. Terman; D. R. Tiedt; M. Timalsina; A. Tomás; M. Tripathi; D. R. Tronstad; W. Turner; L. Tvrznikova; U. Utku; A. Vacheret; A. Vaitkus; J. J. Wang; W. Wang; J. R. Watson; R. C. Webb; R. G. White; T. J. Whitis; F. L. H. Wolfs; D. Woodward; X. Xiang; J. Xu; M. Yeh; P. Zarzhitsky

doi:10.1103/PhysRevC.102.014602

Projected sensitivity of the LUX-ZEPLIN experiment to the $0 ν β β$ decay of ${}^{136}{Xe}$

D. S. Akerib^1,2, C. W. Akerlof³, A. Alqahtani⁴, S. K. Alsum⁵, T. J. Anderson^1,2, N. Angelides⁶, H. M. Araújo⁷, J. E. Armstrong⁸, M. Arthurs³ et al. (LUX-ZEPLIN (LZ) Collaboration)

M. Arthurs³, X. Bai⁹, J. Balajthy¹⁰, S. Balashov¹¹, J. Bang⁴, A. Baxter¹², J. Bensinger¹³, E. P. Bernard^14,15, A. Bernstein¹⁶, A. Bhatti⁸, A. Biekert^14,15, T. P. Biesiadzinski^1,2, H. J. Birch¹², K. E. Boast¹⁷, B. Boxer¹², P. Brás ^18,*, J. H. Buckley¹⁹, V. V. Bugaev¹⁹, S. Burdin¹², J. K. Busenitz²⁰, R. Cabrita¹⁸, C. Carels¹⁷, D. L. Carlsmith⁵, M. C. Carmona-Benitez²¹, M. Cascella⁶, C. Chan⁴, N. I. Chott⁹, A. Cole¹⁵, A. Cottle^17,22, J. E. Cutter¹⁰, C. E. Dahl^23,22, L. de Viveiros²¹, J. E. Y. Dobson⁶, E. Druszkiewicz²⁴, T. K. Edberg⁸, S. R. Eriksen²⁵, A. Fan^1,2, S. Fiorucci¹⁵, H. Flaecher²⁵, E. D. Fraser¹², T. Fruth¹⁷, R. J. Gaitskell⁴, J. Genovesi⁹, C. Ghag⁶, E. Gibson¹⁷, M. G. D. Gilchriese¹⁵, S. Gokhale²⁶, M. G. D. van der Grinten¹¹, C. R. Hall⁸, A. Harrison⁹, S. J. Haselschwardt²⁷, S. A. Hertel²⁸, J. Y-K. Hor²⁰, M. Horn²⁹, D. Q. Huang⁴, C. M. Ignarra^1,2, O. Jahangir⁶, W. Ji^1,2, J. Johnson¹⁰, A. C. Kaboth^30,11, A. C. Kamaha³¹, K. Kamdin^15,14, K. Kazkaz¹⁶, D. Khaitan²⁴, A. Khazov¹¹, I. Khurana⁶, C. D. Kocher⁴, L. Korley¹³, E. V. Korolkova³², J. Kras⁵, H. Kraus¹⁷, S. Kravitz¹⁵, L. Kreczko²⁵, B. Krikler²⁵, V. A. Kudryavtsev³², E. A. Leason³³, J. Lee³⁴, D. S. Leonard³⁴, K. T. Lesko¹⁵, C. Levy³¹, J. Li³⁴, J. Liao⁴, F.-T. Liao¹⁷, J. Lin^14,15, A. Lindote¹⁸, R. Linehan^1,2, W. H. Lippincott²², R. Liu⁴, X. Liu³³, C. Loniewski²⁴, M. I. Lopes¹⁸, B. López Paredes⁷, W. Lorenzon³, S. Luitz¹, J. M. Lyle⁴, P. A. Majewski¹¹, A. Manalaysay¹⁰, L. Manenti⁶, R. L. Mannino⁵, N. Marangou⁷, M. F. Marzioni³³, D. N. McKinsey^14,15, J. McLaughlin²³, Y. Meng²⁰, E. H. Miller^1,2, E. Mizrachi⁸, A. Monte^22,†, M. E. Monzani^1,2, J. A. Morad¹⁰, E. Morrison⁹, B. J. Mount³⁵, A. St. J. Murphy³³, D. Naim¹⁰, A. Naylor³², C. Nedlik²⁸, C. Nehrkorn²⁷, H. N. Nelson²⁷, F. Neves¹⁸, J. A. Nikoleyczik⁵, A. Nilima³³, K. O'Sullivan^15,14,‡, I. Olcina⁷, K. C. Oliver-Mallory^15,14, S. Pal¹⁸, K. J. Palladino⁵, J. Palmer³⁰, N. Parveen³¹, E. K. Pease¹⁵, B. Penning¹³, G. Pereira¹⁸, K. Pushkin³, J. Reichenbacher⁹, C. A. Rhyne⁴, Q. Riffard^14,15, G. R. C. Rischbieter³¹, R. Rosero²⁶, P. Rossiter³², G. Rutherford⁴, D. Santone³⁰, A. B. M. R. Sazzad²⁰, R. W. Schnee⁹, M. Schubnell³, D. Seymour⁴, S. Shaw²⁷, T. A. Shutt^1,2, J. J. Silk⁸, C. Silva¹⁸, R. Smith^14,15, M. Solmaz²⁷, V. N. Solovov¹⁸, P. Sorensen¹⁵, I. Stancu²⁰, A. Stevens¹⁷, K. Stifter^1,2, T. J. Sumner⁷, N. Swanson⁴, M. Szydagis³¹, M. Tan¹⁷, W. C. Taylor⁴, R. Taylor^7,§, D. J. Temples²³, P. A. Terman³⁶, D. R. Tiedt⁸, M. Timalsina⁹, A. Tomás⁷, M. Tripathi¹⁰, D. R. Tronstad⁹, W. Turner¹², L. Tvrznikova^37,14, U. Utku⁶, A. Vacheret⁷, A. Vaitkus⁴, J. J. Wang¹³, W. Wang²⁸, J. R. Watson^14,15, R. C. Webb³⁶, R. G. White^1,2, T. J. Whitis^27,1, F. L. H. Wolfs²⁴, D. Woodward²¹, X. Xiang⁴, J. Xu¹⁶, M. Yeh²⁶, and P. Zarzhitsky²⁰ (LUX-ZEPLIN (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 of Michigan, Randall Laboratory of Physics, Ann Arbor, Michigan 48109-1040, USA
⁴Brown University, Department of Physics, Providence, Rhode Island 02912-9037, USA
⁵University of Wisconsin-Madison, Department of Physics, Madison, Wisconsin 53706-1390, USA
⁶University College London (UCL), Department of Physics and Astronomy, London WC1E 6BT, United Kingdom
⁷Imperial College London, Physics Department, Blackett Laboratory, London SW7 2AZ, United Kingdom
⁸University of Maryland, Department of Physics, College Park, Maryland 20742-4111, USA
⁹South Dakota School of Mines and Technology, Rapid City, South Dakota 57701-3901, USA
¹⁰University of California, Davis, Department of Physics, Davis, California 95616-5270, USA
¹¹STFC Rutherford Appleton Laboratory (RAL), Didcot, OX11 0QX, United Kingdom
¹²University of Liverpool, Department of Physics, Liverpool L69 7ZE, United Kingdom
¹³Brandeis University, Department of Physics, Waltham, Massachusetts 02453, USA
¹⁴University of California, Berkeley, Department of Physics, Berkeley, California 94720-7300, USA
¹⁵Lawrence Berkeley National Laboratory (LBNL), Berkeley, California 94720-8099, USA
¹⁶Lawrence Livermore National Laboratory (LLNL), Livermore, California 94550-9698, USA
¹⁷University of Oxford, Department of Physics, Oxford OX1 3RH, United Kingdom
¹⁸Laboratório de Instrumentação e Física Experimental de Partículas (LIP), University of Coimbra, P-3004 516 Coimbra, Portugal
¹⁹Washington University in St. Louis, Department of Physics, St. Louis, Missouri 63130-4862, USA
²⁰University of Alabama, Department of Physics and Astronomy, Tuscaloosa, Alabama 34587-0324, USA
²¹Pennsylvania State University, Department of Physics, University Park, Pennsylvania 16802-6300, USA
²²Fermi National Accelerator Laboratory (FNAL), Batavia, Illinois 60510-5011, USA
²³Northwestern University, Department of Physics and Astronomy, Evanston, Illinois 60208-3112, USA
²⁴University of Rochester, Department of Physics and Astronomy, Rochester, New York 14627-0171, USA
²⁵University of Bristol, H.H. Wills Physics Laboratory, Bristol, BS8 1TL, United Kingdom
²⁶Brookhaven National Laboratory (BNL), Upton, New York 11973-5000, USA
²⁷University of California, Santa Barbara, Department of Physics, Santa Barbara, California 93106-9530, USA
²⁸University of Massachusetts, Department of Physics, Amherst, Massachusetts 01003-9337, USA
²⁹South Dakota Science and Technology Authority (SDSTA), Sanford Underground Research Facility, Lead, South Dakota 57754-1700, USA
³⁰Royal Holloway, University of London, Department of Physics, Egham, TW20 0EX, United Kingdom
³¹University at Albany (SUNY), Department of Physics, Albany, New York 12222-1000, USA
³²University of Sheffield, Department of Physics and Astronomy, Sheffield S3 7RH, United Kingdom
³³University of Edinburgh, SUPA, School of Physics and Astronomy, Edinburgh EH9 3FD, United Kingdom
³⁴IBS Center for Underground Physics (CUP), Yuseong-gu, Daejeon, Korea
³⁵Black Hills State University, School of Natural Sciences, Spearfish, South Dakota 57799-0002, USA
³⁶Texas A&M University, Department of Physics and Astronomy, College Station, Texas 77843-4242, USA
³⁷Yale University, Department of Physics, New Haven, Connecticut 06511-8499, USA

^*Corresponding author: paulo.bras@coimbra.lip.pt
^†Present address: University of California, Santa Barbara, California 93106-9530, USA.
^‡Corresponding author: the.kevin.osullivan@gmail.com; Grammarly, Inc., San Francisco, California 94104.
^§Corresponding author: r.taylor16@imperial.ac.uk

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Phys. Rev. C 102, 014602 – Published 6 July, 2020

DOI: https://doi.org/10.1103/PhysRevC.102.014602

Abstract

The LUX-ZEPLIN (LZ) experiment will enable a neutrinoless double $β$ decay search in parallel to the main science goal of discovering dark matter particle interactions. We report the expected LZ sensitivity to ${}^{136}{Xe}$ neutrinoless double $β$ decay, taking advantage of the significant ( $> 600$ kg) ${}^{136}{Xe}$ mass contained within the active volume of LZ without isotopic enrichment. After 1000 live-days, the median exclusion sensitivity to the half-life of ${}^{136}{Xe}$ is projected to be $1.06 \times 10^{26}$ years (90% confidence level), similar to existing constraints. We also report the expected sensitivity of a possible subsequent dedicated exposure using 90% enrichment with ${}^{136}{Xe}$ at $1.06 \times 10^{27}$ years.

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Projected sensitivity of the LUX-ZEPLIN experiment to the $0 ν β β$ decay of ${}^{136}{Xe}$

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Projected sensitivity of the LUX-ZEPLIN experiment to the 0νββ decay of Xe136

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Projected sensitivity of the LUX-ZEPLIN experiment to the $0 ν β β$ decay of ${}^{136}{Xe}$