Projected sensitivity of the LUX-ZEPLIN experiment to the 0νββ decay of Xe 136

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

Physical Review C（2020）

Cited 41|Views25

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Abstract

Author(s): Akerib, DS; Akerlof, CW; Alqahtani, A; Alsum, SK; Anderson, TJ; Angelides, N; Araujo, HM; Armstrong, JE; Arthurs, M; Bai, X; Balajthy, J; Balashov, S; Bang, J; Baxter, A; Bensinger, J; Bernard, EP; Bernstein, A; Bhatti, A; Biekert, A; Biesiadzinski, TP; Birch, HJ; Boast, KE; Boxer, B; Bras, P; Buckley, JH; Bugaev, VV; Burdin, S; Busenitz, JK; Cabrita, R; Carels, C; Carlsmith, DL; Carmona-Benitez, MC; Cascella, M; Chan, C; Chott, NI; Cole, A; Cottle, A; Cutter, JE; Dahl, CE; De Viveiros, L; Dobson, JEY; Druszkiewicz, E; Edberg, TK; Eriksen, SR; Fan, A; Fiorucci, S; Flaecher, H; Fraser, ED; Fruth, T; Gaitskell, RJ; Genovesi, J; Ghag, C; Gibson, E; Gilchriese, MGD; Gokhale, S; Van Der Grinten, MGD; Hall, CR; Harrison, A; Haselschwardt, SJ; Hertel, SA; Hor, JYK; Horn, M; Huang, DQ; Ignarra, CM; Jahangir, O; Ji, W; Johnson, J; Kaboth, AC; Kamaha, AC; Kamdin, K; Kazkaz, K; Khaitan, D; Khazov, A; Khurana, I; Kocher, CD; Korley, L; Korolkova, EV; Kras, J; Kraus, H; Kravitz, S; Kreczko, L; Krikler, B; Kudryavtsev, VA; Leason, EA; Lee, J | Abstract: © 2020 American Physical Society. 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 Xe136 neutrinoless double β decay, taking advantage of the significant (g600 kg) Xe136 mass contained within the active volume of LZ without isotopic enrichment. After 1000 live-days, the median exclusion sensitivity to the half-life of Xe136 is projected to be 1.06×1026 years (90% confidence level), similar to existing constraints. We also report the expected sensitivity of a possible subsequent dedicated exposure using 90% enrichment with Xe136 at 1.06×1027 years.

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Key words

sensitivity,decay,experiment,lux-zeplin

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