Search for Neutrinoless Double- β Decay with the Complete EXO-200 Dataset

G. Anton; I. Badhrees; P. S. Barbeau; D. Beck; V. Belov; T. Bhatta; M. Breidenbach; T. Brunner; G. F. Cao; W. R. Cen; C. Chambers; B. Cleveland; M. Coon; A. Craycraft; T. Daniels; M. Danilov; L. Darroch; S. J. Daugherty; J. Davis; S. Delaquis; A. Der Mesrobian-Kabakian; R. Devoe; J. Dilling; A. Dolgolenko; M. J. Dolinski; J. Echevers; W. Fairbank; D. Fairbank; J. Farine; S. Feyzbakhsh; P. Fierlinger; D. Fudenberg; P. Gautam; R. Gornea; G. Gratta; C. Hall; E. V. Hansen; J. Hoessl; P. Hufschmidt; M. Hughes; A. Iverson; A. Jamil; C. Jessiman; M. J. Jewell; A. Johnson; A. Karelin; L. J. Kaufman; T. Koffas; R. Krücken; A. Kuchenkov; K. S. Kumar; Y. Lan; A. Larson; B. G. Lenardo; D. S. Leonard; G. S. Li; S. Li; Z. Li; C. Licciardi; Y. H. Lin; R. MacLellan; T. McElroy; T. Michel; B. Mong; D. C. Moore; K. Murray; O. Njoya; O. Nusair; A. Odian; I. Ostrovskiy; A. Piepke; A. Pocar; F. Retière; A. L. Robinson; P. C. Rowson; D. Ruddell; J. Runge; S. Schmidt; D. Sinclair; A. K. Soma; V. Stekhanov; M. Tarka; J. Todd; T. Tolba; T. I. Totev; B. Veenstra; V. Veeraraghavan; P. Vogel; J. L. Vuilleumier; M. Wagenpfeil; J. Watkins; M. Weber; L. J. Wen; U. Wichoski; G. Wrede; S. X. Wu; Q. Xia; D. R. Yahne; L. Yang; Y. R. Yen; O. Ya Zeldovich; T. Ziegler

doi:10.1103/PhysRevLett.123.161802

Search for Neutrinoless Double- β Decay with the Complete EXO-200 Dataset

G. Anton, I. Badhrees, P. S. Barbeau, D. Beck, V. Belov, T. Bhatta, M. Breidenbach, T. Brunner, G. F. Cao, W. R. Cen, C. Chambers, B. Cleveland, M. Coon, A. Craycraft, T. Daniels, M. Danilov, L. Darroch, S. J. Daugherty, J. Davis, S. DelaquisA. Der Mesrobian-Kabakian, R. Devoe, J. Dilling, A. Dolgolenko, M. J. Dolinski, J. Echevers, W. Fairbank, D. Fairbank, J. Farine, S. Feyzbakhsh, P. Fierlinger, D. Fudenberg, P. Gautam, R. Gornea, G. Gratta, C. Hall, E. V. Hansen, J. Hoessl, P. Hufschmidt, M. Hughes, A. Iverson, A. Jamil, C. Jessiman, M. J. Jewell, A. Johnson, A. Karelin, L. J. Kaufman, T. Koffas, R. Krücken, A. Kuchenkov, K. S. Kumar, Y. Lan, A. Larson, B. G. Lenardo, D. S. Leonard, G. S. Li, S. Li, Z. Li, C. Licciardi, Y. H. Lin, R. MacLellan, T. McElroy, T. Michel, B. Mong, D. C. Moore, K. Murray, O. Njoya, O. Nusair, A. Odian, I. Ostrovskiy, A. Piepke, A. Pocar, F. Retière, A. L. Robinson, P. C. Rowson, D. Ruddell, J. Runge, S. Schmidt, D. Sinclair, A. K. Soma, V. Stekhanov, M. Tarka, J. Todd, T. Tolba, T. I. Totev, B. Veenstra, V. Veeraraghavan, P. Vogel, J. L. Vuilleumier, M. Wagenpfeil, J. Watkins, M. Weber, L. J. Wen, U. Wichoski, G. Wrede, S. X. Wu, Q. Xia, D. R. Yahne, L. Yang, Y. R. Yen, O. Ya Zeldovich, T. Ziegler

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Abstract

A search for neutrinoless double-β decay (0νββ) in Xe136 is performed with the full EXO-200 dataset using a deep neural network to discriminate between 0νββ and background events. Relative to previous analyses, the signal detection efficiency has been raised from 80.8% to 96.4±3.0%, and the energy resolution of the detector at the Q value of Xe136 0νββ has been improved from σ/E=1.23% to 1.15±0.02% with the upgraded detector. Accounting for the new data, the median 90% confidence level 0νββ half-life sensitivity for this analysis is 5.0×1025 yr with a total Xe136 exposure of 234.1 kg yr. No statistically significant evidence for 0νββ is observed, leading to a lower limit on the 0νββ half-life of 3.5×1025 yr at the 90% confidence level.

Original language	English
Article number	161802
Journal	Physical Review Letters
Volume	123
Issue number	16
DOIs	https://doi.org/10.1103/PhysRevLett.123.161802
State	Published - 18 Oct 2019
Externally published	Yes

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10.1103/PhysRevLett.123.161802

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Anton, G., Badhrees, I., Barbeau, P. S., Beck, D., Belov, V., Bhatta, T., Breidenbach, M., Brunner, T., Cao, G. F., Cen, W. R., Chambers, C., Cleveland, B., Coon, M., Craycraft, A., Daniels, T., Danilov, M., Darroch, L., Daugherty, S. J., Davis, J., ... Ziegler, T. (2019). Search for Neutrinoless Double- β Decay with the Complete EXO-200 Dataset. Physical Review Letters, 123(16), Article 161802. https://doi.org/10.1103/PhysRevLett.123.161802

@article{b75e8503d50a4dadb1f4c6e4e3823055,

title = "Search for Neutrinoless Double- β Decay with the Complete EXO-200 Dataset",

abstract = "A search for neutrinoless double-β decay (0νββ) in Xe136 is performed with the full EXO-200 dataset using a deep neural network to discriminate between 0νββ and background events. Relative to previous analyses, the signal detection efficiency has been raised from 80.8% to 96.4±3.0%, and the energy resolution of the detector at the Q value of Xe136 0νββ has been improved from σ/E=1.23% to 1.15±0.02% with the upgraded detector. Accounting for the new data, the median 90% confidence level 0νββ half-life sensitivity for this analysis is 5.0×1025 yr with a total Xe136 exposure of 234.1 kg yr. No statistically significant evidence for 0νββ is observed, leading to a lower limit on the 0νββ half-life of 3.5×1025 yr at the 90% confidence level.",

author = "G. Anton and I. Badhrees and Barbeau, {P. S.} and D. Beck and V. Belov and T. Bhatta and M. Breidenbach and T. Brunner and Cao, {G. F.} and Cen, {W. R.} and C. Chambers and B. Cleveland and M. Coon and A. Craycraft and T. Daniels and M. Danilov and L. Darroch and Daugherty, {S. J.} and J. Davis and S. Delaquis and {Der Mesrobian-Kabakian}, A. and R. Devoe and J. Dilling and A. Dolgolenko and Dolinski, {M. J.} and J. Echevers and W. Fairbank and D. Fairbank and J. Farine and S. Feyzbakhsh and P. Fierlinger and D. Fudenberg and P. Gautam and R. Gornea and G. Gratta and C. Hall and Hansen, {E. V.} and J. Hoessl and P. Hufschmidt and M. Hughes and A. Iverson and A. Jamil and C. Jessiman and Jewell, {M. J.} and A. Johnson and A. Karelin and Kaufman, {L. J.} and T. Koffas and R. Kr{\"u}cken and A. Kuchenkov and Kumar, {K. S.} and Y. Lan and A. Larson and Lenardo, {B. G.} and Leonard, {D. S.} and Li, {G. S.} and S. Li and Z. Li and C. Licciardi and Lin, {Y. H.} and R. MacLellan and T. McElroy and T. Michel and B. Mong and Moore, {D. C.} and K. Murray and O. Njoya and O. Nusair and A. Odian and I. Ostrovskiy and A. Piepke and A. Pocar and F. Reti{\`e}re and Robinson, {A. L.} and Rowson, {P. C.} and D. Ruddell and J. Runge and S. Schmidt and D. Sinclair and Soma, {A. K.} and V. Stekhanov and M. Tarka and J. Todd and T. Tolba and Totev, {T. I.} and B. Veenstra and V. Veeraraghavan and P. Vogel and Vuilleumier, {J. L.} and M. Wagenpfeil and J. Watkins and M. Weber and Wen, {L. J.} and U. Wichoski and G. Wrede and Wu, {S. X.} and Q. Xia and Yahne, {D. R.} and L. Yang and Yen, {Y. R.} and Zeldovich, {O. Ya} and T. Ziegler",

note = "Publisher Copyright: {\textcopyright} 2019 authors.",

year = "2019",

month = oct,

day = "18",

doi = "10.1103/PhysRevLett.123.161802",

language = "English",

volume = "123",

journal = "Physical Review Letters",

issn = "0031-9007",

publisher = "American Physical Society",

number = "16",

}

Anton, G, Badhrees, I, Barbeau, PS, Beck, D, Belov, V, Bhatta, T, Breidenbach, M, Brunner, T, Cao, GF, Cen, WR, Chambers, C, Cleveland, B, Coon, M, Craycraft, A, Daniels, T, Danilov, M, Darroch, L, Daugherty, SJ, Davis, J, Delaquis, S, Der Mesrobian-Kabakian, A, Devoe, R, Dilling, J, Dolgolenko, A, Dolinski, MJ, Echevers, J, Fairbank, W, Fairbank, D, Farine, J, Feyzbakhsh, S, Fierlinger, P, Fudenberg, D, Gautam, P, Gornea, R, Gratta, G, Hall, C, Hansen, EV, Hoessl, J, Hufschmidt, P, Hughes, M, Iverson, A, Jamil, A, Jessiman, C, Jewell, MJ, Johnson, A, Karelin, A, Kaufman, LJ, Koffas, T, Krücken, R, Kuchenkov, A, Kumar, KS, Lan, Y, Larson, A, Lenardo, BG, Leonard, DS, Li, GS, Li, S, Li, Z, Licciardi, C, Lin, YH, MacLellan, R, McElroy, T, Michel, T, Mong, B, Moore, DC, Murray, K, Njoya, O, Nusair, O, Odian, A, Ostrovskiy, I, Piepke, A, Pocar, A, Retière, F, Robinson, AL, Rowson, PC, Ruddell, D, Runge, J, Schmidt, S, Sinclair, D, Soma, AK, Stekhanov, V, Tarka, M, Todd, J, Tolba, T, Totev, TI, Veenstra, B, Veeraraghavan, V, Vogel, P, Vuilleumier, JL, Wagenpfeil, M, Watkins, J, Weber, M, Wen, LJ, Wichoski, U, Wrede, G, Wu, SX, Xia, Q, Yahne, DR, Yang, L, Yen, YR, Zeldovich, OY & Ziegler, T 2019, 'Search for Neutrinoless Double- β Decay with the Complete EXO-200 Dataset', Physical Review Letters, vol. 123, no. 16, 161802. https://doi.org/10.1103/PhysRevLett.123.161802

TY - JOUR

T1 - Search for Neutrinoless Double- β Decay with the Complete EXO-200 Dataset

AU - Anton, G.

AU - Badhrees, I.

AU - Barbeau, P. S.

AU - Beck, D.

AU - Belov, V.

AU - Bhatta, T.

AU - Breidenbach, M.

AU - Brunner, T.

AU - Cao, G. F.

AU - Cen, W. R.

AU - Chambers, C.

AU - Cleveland, B.

AU - Coon, M.

AU - Craycraft, A.

AU - Daniels, T.

AU - Danilov, M.

AU - Darroch, L.

AU - Daugherty, S. J.

AU - Davis, J.

AU - Delaquis, S.

AU - Der Mesrobian-Kabakian, A.

AU - Devoe, R.

AU - Dilling, J.

AU - Dolgolenko, A.

AU - Dolinski, M. J.

AU - Echevers, J.

AU - Fairbank, W.

AU - Fairbank, D.

AU - Farine, J.

AU - Feyzbakhsh, S.

AU - Fierlinger, P.

AU - Fudenberg, D.

AU - Gautam, P.

AU - Gornea, R.

AU - Gratta, G.

AU - Hall, C.

AU - Hansen, E. V.

AU - Hoessl, J.

AU - Hufschmidt, P.

AU - Hughes, M.

AU - Iverson, A.

AU - Jamil, A.

AU - Jessiman, C.

AU - Jewell, M. J.

AU - Johnson, A.

AU - Karelin, A.

AU - Kaufman, L. J.

AU - Koffas, T.

AU - Krücken, R.

AU - Kuchenkov, A.

AU - Kumar, K. S.

AU - Lan, Y.

AU - Larson, A.

AU - Lenardo, B. G.

AU - Leonard, D. S.

AU - Li, G. S.

AU - Li, S.

AU - Li, Z.

AU - Licciardi, C.

AU - Lin, Y. H.

AU - MacLellan, R.

AU - McElroy, T.

AU - Michel, T.

AU - Mong, B.

AU - Moore, D. C.

AU - Murray, K.

AU - Njoya, O.

AU - Nusair, O.

AU - Odian, A.

AU - Ostrovskiy, I.

AU - Piepke, A.

AU - Pocar, A.

AU - Retière, F.

AU - Robinson, A. L.

AU - Rowson, P. C.

AU - Ruddell, D.

AU - Runge, J.

AU - Schmidt, S.

AU - Sinclair, D.

AU - Soma, A. K.

AU - Stekhanov, V.

AU - Tarka, M.

AU - Todd, J.

AU - Tolba, T.

AU - Totev, T. I.

AU - Veenstra, B.

AU - Veeraraghavan, V.

AU - Vogel, P.

AU - Vuilleumier, J. L.

AU - Wagenpfeil, M.

AU - Watkins, J.

AU - Weber, M.

AU - Wen, L. J.

AU - Wichoski, U.

AU - Wrede, G.

AU - Wu, S. X.

AU - Xia, Q.

AU - Yahne, D. R.

AU - Yang, L.

AU - Yen, Y. R.

AU - Zeldovich, O. Ya

AU - Ziegler, T.

PY - 2019/10/18

Y1 - 2019/10/18

N2 - A search for neutrinoless double-β decay (0νββ) in Xe136 is performed with the full EXO-200 dataset using a deep neural network to discriminate between 0νββ and background events. Relative to previous analyses, the signal detection efficiency has been raised from 80.8% to 96.4±3.0%, and the energy resolution of the detector at the Q value of Xe136 0νββ has been improved from σ/E=1.23% to 1.15±0.02% with the upgraded detector. Accounting for the new data, the median 90% confidence level 0νββ half-life sensitivity for this analysis is 5.0×1025 yr with a total Xe136 exposure of 234.1 kg yr. No statistically significant evidence for 0νββ is observed, leading to a lower limit on the 0νββ half-life of 3.5×1025 yr at the 90% confidence level.

AB - A search for neutrinoless double-β decay (0νββ) in Xe136 is performed with the full EXO-200 dataset using a deep neural network to discriminate between 0νββ and background events. Relative to previous analyses, the signal detection efficiency has been raised from 80.8% to 96.4±3.0%, and the energy resolution of the detector at the Q value of Xe136 0νββ has been improved from σ/E=1.23% to 1.15±0.02% with the upgraded detector. Accounting for the new data, the median 90% confidence level 0νββ half-life sensitivity for this analysis is 5.0×1025 yr with a total Xe136 exposure of 234.1 kg yr. No statistically significant evidence for 0νββ is observed, leading to a lower limit on the 0νββ half-life of 3.5×1025 yr at the 90% confidence level.

UR - http://www.scopus.com/inward/record.url?scp=85073833594&partnerID=8YFLogxK

U2 - 10.1103/PhysRevLett.123.161802

DO - 10.1103/PhysRevLett.123.161802

M3 - Article

C2 - 31702371

AN - SCOPUS:85073833594

SN - 0031-9007

VL - 123

JO - Physical Review Letters

JF - Physical Review Letters

IS - 16

M1 - 161802

ER -

Search for Neutrinoless Double- β Decay with the Complete EXO-200 Dataset

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