The large enriched germanium experiment for neutrinoless double beta decay (LEGEND)

N. Abgrall; A. Abramov; N. Abrosimov; I. Abt; M. Agostini; M. Agartioglu; A. Ajjaq; S. I. Alvis; F. T. Avignone; X. Bai; M. Balata; I. Barabanov; A. S. Barabash; P. J. Barton; L. Baudis; L. Bezrukov; T. Bode; A. Bolozdynya; D. Borowicz; A. Boston; H. Boston; S. T.P. Boyd; R. Breier; V. Brudanin; R. Brugnera; M. Busch; M. Buuck; A. Caldwell; T. S. Caldwell; T. Camellato; M. Carpenter; C. Cattadori; J. Cederkäll; Y. D. Chan; S. Chen; A. Chernogorov; C. D. Christofferson; P. H. Chu; R. J. Cooper; C. Cuesta; E. V. Demidova; Z. Deng; M. Deniz; J. A. Detwiler; N. Di Marco; A. Domula; Q. Du; Yu Efremenko; V. Egorov; S. R. Elliott; D. Fields; F. Fischer; A. Galindo-Uribarri; A. Gangapshev; A. Garfagnini; T. Gilliss; M. Giordano; G. K. Giovanetti; M. Gold; P. Golubev; C. Gooch; P. Grabmayr; M. P. Green; J. Gruszko; I. S. Guinn; V. E. Guiseppe; V. Gurentsov; Y. Gurov; K. Gusev; J. Hakenmüeller; L. Harkness-Brennan; Z. R. Harvey; C. R. Haufe; L. Hauertmann; D. Heglund; L. Hehn; A. Heinz; R. Hiller; J. Hinton; R. Hodak; W. Hofmann; S. Howard; M. A. Howe; M. Hult; L. V. Inzhechik; J. Janicskó Csáthy; R. Janssens; M. Ješkovský; J. Jochum; H. T. Johansson; D. Judson; M. Junker; J. Kaizer; K. Kang; V. Kazalov; Y. Kermadic; F. Kiessling; A. Kirsch; A. Kish; A. Klimenko; K. T. Knöpfle; O. Kochetov; S. I. Konovalov; I. Kontul; V. N. Kornoukhov; T. Kraetzschmar; K. Kröninger; A. Kumar; V. V. Kuzminov; K. Lang; M. Laubenstein; A. Lazzaro; Y. L. Li; Y. Y. Li; H. B. Li; S. T. Lin; M. Lindner; I. Lippi; S. K. Liu; X. Liu; J. Liu; D. Loomba; A. Lubashevskiy; B. Lubsandorzhiev; G. Lutter; H. Ma; B. Majorovits; F. Mamedov; R. D. Martin; R. Massarczyk; J. A.J. Matthews; N. McFadden; D. M. Mei; H. Mei; S. J. Meijer; D. Mengoni; S. Mertens; W. Miller; M. Miloradovic; R. Mingazheva; M. Misiaszek; P. Moseev; J. Myslik; I. Nemchenok; T. Nilsson; P. Nolan; C. O'Shaughnessy; G. Othman; K. Panas; L. Pandola; L. Papp; K. Pelczar; D. Peterson; W. Pettus; A. W.P. Poon; P. P. Povinec; A. Pullia; X. C. Quintana; D. C. Radford; J. Rager; C. Ransom; F. Recchia; A. L. Reine; S. Riboldi; K. Rielage; S. Rozov; N. W. Rouf; E. Rukhadze; N. Rumyantseva; R. Saakyan; E. Sala; F. Salamida; V. Sandukovsky; G. Savard; S. Schönert; A. K. Schütz; O. Schulz; M. Schuster; B. Schwingenheuer; O. Selivanenko; B. Sevda; B. Shanks; E. Shevchik; M. Shirchenko; F. Simkovic; L. Singh; V. Singh; M. Skorokhvatov; K. Smolek; A. Smolnikov; A. Sonay; M. Spavorova; I. Stekl; D. Stukov; D. Tedeschi; J. Thompson; T. Van Wechel; R. L. Varner; A. A. Vasenko; S. Vasilyev; A. Veresnikova; K. Vetter; K. Von Sturm; K. Vorren; M. Wagner; G. J. Wang; D. Waters; W. Z. Wei; T. Wester; B. R. White; C. Wiesinger; J. F. Wilkerson; M. Willers; C. Wiseman; M. Wojcik; H. T. Wong; J. Wyenberg; W. Xu; E. Yakushev; G. Yang; C. H. Yu; Q. Yue; V. Yumatov; J. Zeman; Z. Zeng; I. Zhitnikov; B. Zhu; D. Zinatulina; A. Zschocke; A. J. Zsigmond; K. Zuber; G. Zuzel

doi:10.1063/1.5007652

The large enriched germanium experiment for neutrinoless double beta decay (LEGEND)

N. Abgrall, A. Abramov, N. Abrosimov, I. Abt, M. Agostini, M. Agartioglu, A. Ajjaq, S. I. Alvis, F. T. Avignone, X. Bai, M. Balata, I. Barabanov, A. S. Barabash, P. J. Barton, L. Baudis, L. Bezrukov, T. Bode, A. Bolozdynya, D. Borowicz, A. BostonH. Boston, S. T.P. Boyd, R. Breier, V. Brudanin, R. Brugnera, M. Busch, M. Buuck, A. Caldwell, T. S. Caldwell, T. Camellato, M. Carpenter, C. Cattadori, J. Cederkäll, Y. D. Chan, S. Chen, A. Chernogorov, C. D. Christofferson, P. H. Chu, R. J. Cooper, C. Cuesta, E. V. Demidova, Z. Deng, M. Deniz, J. A. Detwiler, N. Di Marco, A. Domula, Q. Du, Yu Efremenko, V. Egorov, S. R. Elliott, D. Fields, F. Fischer, A. Galindo-Uribarri, A. Gangapshev, A. Garfagnini, T. Gilliss, M. Giordano, G. K. Giovanetti, M. Gold, P. Golubev, C. Gooch, P. Grabmayr, M. P. Green, J. Gruszko, I. S. Guinn, V. E. Guiseppe, V. Gurentsov, Y. Gurov, K. Gusev, J. Hakenmüeller, L. Harkness-Brennan, Z. R. Harvey, C. R. Haufe, L. Hauertmann, D. Heglund, L. Hehn, A. Heinz, R. Hiller, J. Hinton, R. Hodak, W. Hofmann, S. Howard, M. A. Howe, M. Hult, L. V. Inzhechik, J. Janicskó Csáthy, R. Janssens, M. Ješkovský, J. Jochum, H. T. Johansson, D. Judson, M. Junker, J. Kaizer, K. Kang, V. Kazalov, Y. Kermadic, F. Kiessling, A. Kirsch, A. Kish, A. Klimenko, K. T. Knöpfle, O. Kochetov, S. I. Konovalov, I. Kontul, V. N. Kornoukhov, T. Kraetzschmar, K. Kröninger, A. Kumar, V. V. Kuzminov, K. Lang, M. Laubenstein, A. Lazzaro, Y. L. Li, Y. Y. Li, H. B. Li, S. T. Lin, M. Lindner, I. Lippi, S. K. Liu, X. Liu, J. Liu, D. Loomba, A. Lubashevskiy, B. Lubsandorzhiev, G. Lutter, H. Ma, B. Majorovits, F. Mamedov, R. D. Martin, R. Massarczyk, J. A.J. Matthews, N. McFadden, D. M. Mei, H. Mei, S. J. Meijer, D. Mengoni, S. Mertens, W. Miller, M. Miloradovic, R. Mingazheva, M. Misiaszek, P. Moseev, J. Myslik, I. Nemchenok, T. Nilsson, P. Nolan, C. O'Shaughnessy, G. Othman, K. Panas, L. Pandola, L. Papp, K. Pelczar, D. Peterson, W. Pettus, A. W.P. Poon, P. P. Povinec, A. Pullia, X. C. Quintana, D. C. Radford, J. Rager, C. Ransom, F. Recchia, A. L. Reine, S. Riboldi, K. Rielage, S. Rozov, N. W. Rouf, E. Rukhadze, N. Rumyantseva, R. Saakyan, E. Sala, F. Salamida, V. Sandukovsky, G. Savard, S. Schönert, A. K. Schütz, O. Schulz, M. Schuster, B. Schwingenheuer, O. Selivanenko, B. Sevda, B. Shanks, E. Shevchik, M. Shirchenko, F. Simkovic, L. Singh, V. Singh, M. Skorokhvatov, K. Smolek, A. Smolnikov, A. Sonay, M. Spavorova, I. Stekl, D. Stukov, D. Tedeschi, J. Thompson, T. Van Wechel, R. L. Varner, A. A. Vasenko, S. Vasilyev, A. Veresnikova, K. Vetter, K. Von Sturm, K. Vorren, M. Wagner, G. J. Wang, D. Waters, W. Z. Wei, T. Wester, B. R. White, C. Wiesinger, J. F. Wilkerson, M. Willers, C. Wiseman, M. Wojcik, H. T. Wong, J. Wyenberg, W. Xu, E. Yakushev, G. Yang, C. H. Yu, Q. Yue, V. Yumatov, J. Zeman, Z. Zeng, I. Zhitnikov, B. Zhu, D. Zinatulina, A. Zschocke, A. J. Zsigmond, K. Zuber, G. Zuzel

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

189 Scopus citations

Abstract

The observation of neutrinoless double-beta decay (0νββ) would show that lepton number is violated, reveal that neu-trinos are Majorana particles, and provide information on neutrino mass. A discovery-capable experiment covering the inverted ordering region, with effective Majorana neutrino masses of 15 - 50 meV, will require a tonne-scale experiment with excellent energy resolution and extremely low backgrounds, at the level of ∼0.1 count /(FWHM·t·yr) in the region of the signal. The current generation ⁷⁶Ge experiments GERDA and the Majorana Demonstrator, utilizing high purity Germanium detectors with an intrinsic energy resolution of 0.12%, have achieved the lowest backgrounds by over an order of magnitude in the 0νββ signal region of all 0νββ experiments. Building on this success, the LEGEND collaboration has been formed to pursue a tonne-scale ⁷⁶Ge experiment. The collaboration aims to develop a phased 0νββ experimental program with discovery potential at a half-life approaching or at 10²⁸ years, using existing resources as appropriate to expedite physics results.

Original language	English
Title of host publication	Workshop on Calculation of Double-Beta-Decay Matrix Elements, MEDEX 2017
Editors	Osvaldo Civitarese, Jouni Suhonen, Ivan Stekl
Publisher	American Institute of Physics Inc.
ISBN (Electronic)	9780735415775
DOIs	https://doi.org/10.1063/1.5007652
State	Published - 16 Oct 2017
Event	11th Workshop on Calculation of Double-Beta-Decay Matrix Elements, MEDEX 2017 - Prague, Czech Republic Duration: 29 May 2017 → 2 Jun 2017

Publication series

Name	AIP Conference Proceedings
Volume	1894
ISSN (Print)	0094-243X
ISSN (Electronic)	1551-7616

Conference

Conference	11th Workshop on Calculation of Double-Beta-Decay Matrix Elements, MEDEX 2017
Country/Territory	Czech Republic
City	Prague
Period	29/05/17 → 2/06/17

Access to Document

10.1063/1.5007652

Cite this

Abgrall, N., Abramov, A., Abrosimov, N., Abt, I., Agostini, M., Agartioglu, M., Ajjaq, A., Alvis, S. I., Avignone, F. T., Bai, X., Balata, M., Barabanov, I., Barabash, A. S., Barton, P. J., Baudis, L., Bezrukov, L., Bode, T., Bolozdynya, A., Borowicz, D., ... Zuzel, G. (2017). The large enriched germanium experiment for neutrinoless double beta decay (LEGEND). In O. Civitarese, J. Suhonen, & I. Stekl (Eds.), Workshop on Calculation of Double-Beta-Decay Matrix Elements, MEDEX 2017 Article 020027 (AIP Conference Proceedings; Vol. 1894). American Institute of Physics Inc.. https://doi.org/10.1063/1.5007652

@inproceedings{67d9c7dec4624d65a890136eb1690c1c,

title = "The large enriched germanium experiment for neutrinoless double beta decay (LEGEND)",

abstract = "The observation of neutrinoless double-beta decay (0νββ) would show that lepton number is violated, reveal that neu-trinos are Majorana particles, and provide information on neutrino mass. A discovery-capable experiment covering the inverted ordering region, with effective Majorana neutrino masses of 15 - 50 meV, will require a tonne-scale experiment with excellent energy resolution and extremely low backgrounds, at the level of ∼0.1 count /(FWHM·t·yr) in the region of the signal. The current generation 76Ge experiments GERDA and the Majorana Demonstrator, utilizing high purity Germanium detectors with an intrinsic energy resolution of 0.12%, have achieved the lowest backgrounds by over an order of magnitude in the 0νββ signal region of all 0νββ experiments. Building on this success, the LEGEND collaboration has been formed to pursue a tonne-scale 76Ge experiment. The collaboration aims to develop a phased 0νββ experimental program with discovery potential at a half-life approaching or at 1028 years, using existing resources as appropriate to expedite physics results.",

author = "N. Abgrall and A. Abramov and N. Abrosimov and I. Abt and M. Agostini and M. Agartioglu and A. Ajjaq and Alvis, {S. I.} and Avignone, {F. T.} and X. Bai and M. Balata and I. Barabanov and Barabash, {A. S.} and Barton, {P. J.} and L. Baudis and L. Bezrukov and T. Bode and A. Bolozdynya and D. Borowicz and A. Boston and H. Boston and Boyd, {S. T.P.} and R. Breier and V. Brudanin and R. Brugnera and M. Busch and M. Buuck and A. Caldwell and Caldwell, {T. S.} and T. Camellato and M. Carpenter and C. Cattadori and J. Cederk{\"a}ll and Chan, {Y. D.} and S. Chen and A. Chernogorov and Christofferson, {C. D.} and Chu, {P. H.} and Cooper, {R. J.} and C. Cuesta and Demidova, {E. V.} and Z. Deng and M. Deniz and Detwiler, {J. A.} and {Di Marco}, N. and A. Domula and Q. Du and Yu Efremenko and V. Egorov and Elliott, {S. R.} and D. Fields and F. Fischer and A. Galindo-Uribarri and A. Gangapshev and A. Garfagnini and T. Gilliss and M. Giordano and Giovanetti, {G. K.} and M. Gold and P. Golubev and C. Gooch and P. Grabmayr and Green, {M. P.} and J. Gruszko and Guinn, {I. S.} and Guiseppe, {V. E.} and V. Gurentsov and Y. Gurov and K. Gusev and J. Hakenm{\"u}eller and L. Harkness-Brennan and Harvey, {Z. R.} and Haufe, {C. R.} and L. Hauertmann and D. Heglund and L. Hehn and A. Heinz and R. Hiller and J. Hinton and R. Hodak and W. Hofmann and S. Howard and Howe, {M. A.} and M. Hult and Inzhechik, {L. V.} and Cs{\'a}thy, {J. Janicsk{\'o}} and R. Janssens and M. Je{\v s}kovsk{\'y} and J. Jochum and Johansson, {H. T.} and D. Judson and M. Junker and J. Kaizer and K. Kang and V. Kazalov and Y. Kermadic and F. Kiessling and A. Kirsch and A. Kish and A. Klimenko and Kn{\"o}pfle, {K. T.} and O. Kochetov and Konovalov, {S. I.} and I. Kontul and Kornoukhov, {V. N.} and T. Kraetzschmar and K. Kr{\"o}ninger and A. Kumar and Kuzminov, {V. V.} and K. Lang and M. Laubenstein and A. Lazzaro and Li, {Y. L.} and Li, {Y. Y.} and Li, {H. B.} and Lin, {S. T.} and M. Lindner and I. Lippi and Liu, {S. K.} and X. Liu and J. Liu and D. Loomba and A. Lubashevskiy and B. Lubsandorzhiev and G. Lutter and H. Ma and B. Majorovits and F. Mamedov and Martin, {R. D.} and R. Massarczyk and Matthews, {J. A.J.} and N. McFadden and Mei, {D. M.} and H. Mei and Meijer, {S. J.} and D. Mengoni and S. Mertens and W. Miller and M. Miloradovic and R. Mingazheva and M. Misiaszek and P. Moseev and J. Myslik and I. Nemchenok and T. Nilsson and P. Nolan and C. O'Shaughnessy and G. Othman and K. Panas and L. Pandola and L. Papp and K. Pelczar and D. Peterson and W. Pettus and Poon, {A. W.P.} and Povinec, {P. P.} and A. Pullia and Quintana, {X. C.} and Radford, {D. C.} and J. Rager and C. Ransom and F. Recchia and Reine, {A. L.} and S. Riboldi and K. Rielage and S. Rozov and Rouf, {N. W.} and E. Rukhadze and N. Rumyantseva and R. Saakyan and E. Sala and F. Salamida and V. Sandukovsky and G. Savard and S. Sch{\"o}nert and Sch{\"u}tz, {A. K.} and O. Schulz and M. Schuster and B. Schwingenheuer and O. Selivanenko and B. Sevda and B. Shanks and E. Shevchik and M. Shirchenko and F. Simkovic and L. Singh and V. Singh and M. Skorokhvatov and K. Smolek and A. Smolnikov and A. Sonay and M. Spavorova and I. Stekl and D. Stukov and D. Tedeschi and J. Thompson and {Van Wechel}, T. and Varner, {R. L.} and Vasenko, {A. A.} and S. Vasilyev and A. Veresnikova and K. Vetter and {Von Sturm}, K. and K. Vorren and M. Wagner and Wang, {G. J.} and D. Waters and Wei, {W. Z.} and T. Wester and White, {B. R.} and C. Wiesinger and Wilkerson, {J. F.} and M. Willers and C. Wiseman and M. Wojcik and Wong, {H. T.} and J. Wyenberg and W. Xu and E. Yakushev and G. Yang and Yu, {C. H.} and Q. Yue and V. Yumatov and J. Zeman and Z. Zeng and I. Zhitnikov and B. Zhu and D. Zinatulina and A. Zschocke and Zsigmond, {A. J.} and K. Zuber and G. Zuzel",

note = "Publisher Copyright: {\textcopyright} 2017 Author(s).; 11th Workshop on Calculation of Double-Beta-Decay Matrix Elements, MEDEX 2017 ; Conference date: 29-05-2017 Through 02-06-2017",

year = "2017",

month = oct,

day = "16",

doi = "10.1063/1.5007652",

language = "English",

series = "AIP Conference Proceedings",

publisher = "American Institute of Physics Inc.",

editor = "Osvaldo Civitarese and Jouni Suhonen and Ivan Stekl",

booktitle = "Workshop on Calculation of Double-Beta-Decay Matrix Elements, MEDEX 2017",

}

Abgrall, N, Abramov, A, Abrosimov, N, Abt, I, Agostini, M, Agartioglu, M, Ajjaq, A, Alvis, SI, Avignone, FT, Bai, X, Balata, M, Barabanov, I, Barabash, AS, Barton, PJ, Baudis, L, Bezrukov, L, Bode, T, Bolozdynya, A, Borowicz, D, Boston, A, Boston, H, Boyd, STP, Breier, R, Brudanin, V, Brugnera, R, Busch, M, Buuck, M, Caldwell, A, Caldwell, TS, Camellato, T, Carpenter, M, Cattadori, C, Cederkäll, J, Chan, YD, Chen, S, Chernogorov, A, Christofferson, CD, Chu, PH, Cooper, RJ, Cuesta, C, Demidova, EV, Deng, Z, Deniz, M, Detwiler, JA, Di Marco, N, Domula, A, Du, Q, Efremenko, Y, Egorov, V, Elliott, SR, Fields, D, Fischer, F, Galindo-Uribarri, A, Gangapshev, A, Garfagnini, A, Gilliss, T, Giordano, M, Giovanetti, GK, Gold, M, Golubev, P, Gooch, C, Grabmayr, P, Green, MP, Gruszko, J, Guinn, IS, Guiseppe, VE, Gurentsov, V, Gurov, Y, Gusev, K, Hakenmüeller, J, Harkness-Brennan, L, Harvey, ZR, Haufe, CR, Hauertmann, L, Heglund, D, Hehn, L, Heinz, A, Hiller, R, Hinton, J, Hodak, R, Hofmann, W, Howard, S, Howe, MA, Hult, M, Inzhechik, LV, Csáthy, JJ, Janssens, R, Ješkovský, M, Jochum, J, Johansson, HT, Judson, D, Junker, M, Kaizer, J, Kang, K, Kazalov, V, Kermadic, Y, Kiessling, F, Kirsch, A, Kish, A, Klimenko, A, Knöpfle, KT, Kochetov, O, Konovalov, SI, Kontul, I, Kornoukhov, VN, Kraetzschmar, T, Kröninger, K, Kumar, A, Kuzminov, VV, Lang, K, Laubenstein, M, Lazzaro, A, Li, YL, Li, YY, Li, HB, Lin, ST, Lindner, M, Lippi, I, Liu, SK, Liu, X, Liu, J, Loomba, D, Lubashevskiy, A, Lubsandorzhiev, B, Lutter, G, Ma, H, Majorovits, B, Mamedov, F, Martin, RD, Massarczyk, R, Matthews, JAJ, McFadden, N, Mei, DM, Mei, H, Meijer, SJ, Mengoni, D, Mertens, S, Miller, W, Miloradovic, M, Mingazheva, R, Misiaszek, M, Moseev, P, Myslik, J, Nemchenok, I, Nilsson, T, Nolan, P, O'Shaughnessy, C, Othman, G, Panas, K, Pandola, L, Papp, L, Pelczar, K, Peterson, D, Pettus, W, Poon, AWP, Povinec, PP, Pullia, A, Quintana, XC, Radford, DC, Rager, J, Ransom, C, Recchia, F, Reine, AL, Riboldi, S, Rielage, K, Rozov, S, Rouf, NW, Rukhadze, E, Rumyantseva, N, Saakyan, R, Sala, E, Salamida, F, Sandukovsky, V, Savard, G, Schönert, S, Schütz, AK, Schulz, O, Schuster, M, Schwingenheuer, B, Selivanenko, O, Sevda, B, Shanks, B, Shevchik, E, Shirchenko, M, Simkovic, F, Singh, L, Singh, V, Skorokhvatov, M, Smolek, K, Smolnikov, A, Sonay, A, Spavorova, M, Stekl, I, Stukov, D, Tedeschi, D, Thompson, J, Van Wechel, T, Varner, RL, Vasenko, AA, Vasilyev, S, Veresnikova, A, Vetter, K, Von Sturm, K, Vorren, K, Wagner, M, Wang, GJ, Waters, D, Wei, WZ, Wester, T, White, BR, Wiesinger, C, Wilkerson, JF, Willers, M, Wiseman, C, Wojcik, M, Wong, HT, Wyenberg, J, Xu, W, Yakushev, E, Yang, G, Yu, CH, Yue, Q, Yumatov, V, Zeman, J, Zeng, Z, Zhitnikov, I, Zhu, B, Zinatulina, D, Zschocke, A, Zsigmond, AJ, Zuber, K & Zuzel, G 2017, The large enriched germanium experiment for neutrinoless double beta decay (LEGEND). in O Civitarese, J Suhonen & I Stekl (eds), Workshop on Calculation of Double-Beta-Decay Matrix Elements, MEDEX 2017., 020027, AIP Conference Proceedings, vol. 1894, American Institute of Physics Inc., 11th Workshop on Calculation of Double-Beta-Decay Matrix Elements, MEDEX 2017, Prague, Czech Republic, 29/05/17. https://doi.org/10.1063/1.5007652

The large enriched germanium experiment for neutrinoless double beta decay (LEGEND). / Abgrall, N.; Abramov, A.; Abrosimov, N. et al.
Workshop on Calculation of Double-Beta-Decay Matrix Elements, MEDEX 2017. ed. / Osvaldo Civitarese; Jouni Suhonen; Ivan Stekl. American Institute of Physics Inc., 2017. 020027 (AIP Conference Proceedings; Vol. 1894).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

TY - GEN

T1 - The large enriched germanium experiment for neutrinoless double beta decay (LEGEND)

AU - Abgrall, N.

AU - Abramov, A.

AU - Abrosimov, N.

AU - Abt, I.

AU - Agostini, M.

AU - Agartioglu, M.

AU - Ajjaq, A.

AU - Alvis, S. I.

AU - Avignone, F. T.

AU - Bai, X.

AU - Balata, M.

AU - Barabanov, I.

AU - Barabash, A. S.

AU - Barton, P. J.

AU - Baudis, L.

AU - Bezrukov, L.

AU - Bode, T.

AU - Bolozdynya, A.

AU - Borowicz, D.

AU - Boston, A.

AU - Boston, H.

AU - Boyd, S. T.P.

AU - Breier, R.

AU - Brudanin, V.

AU - Brugnera, R.

AU - Busch, M.

AU - Buuck, M.

AU - Caldwell, A.

AU - Caldwell, T. S.

AU - Camellato, T.

AU - Carpenter, M.

AU - Cattadori, C.

AU - Cederkäll, J.

AU - Chan, Y. D.

AU - Chen, S.

AU - Chernogorov, A.

AU - Christofferson, C. D.

AU - Chu, P. H.

AU - Cooper, R. J.

AU - Cuesta, C.

AU - Demidova, E. V.

AU - Deng, Z.

AU - Deniz, M.

AU - Detwiler, J. A.

AU - Di Marco, N.

AU - Domula, A.

AU - Du, Q.

AU - Efremenko, Yu

AU - Egorov, V.

AU - Elliott, S. R.

AU - Fields, D.

AU - Fischer, F.

AU - Galindo-Uribarri, A.

AU - Gangapshev, A.

AU - Garfagnini, A.

AU - Gilliss, T.

AU - Giordano, M.

AU - Giovanetti, G. K.

AU - Gold, M.

AU - Golubev, P.

AU - Gooch, C.

AU - Grabmayr, P.

AU - Green, M. P.

AU - Gruszko, J.

AU - Guinn, I. S.

AU - Guiseppe, V. E.

AU - Gurentsov, V.

AU - Gurov, Y.

AU - Gusev, K.

AU - Hakenmüeller, J.

AU - Harkness-Brennan, L.

AU - Harvey, Z. R.

AU - Haufe, C. R.

AU - Hauertmann, L.

AU - Heglund, D.

AU - Hehn, L.

AU - Heinz, A.

AU - Hiller, R.

AU - Hinton, J.

AU - Hodak, R.

AU - Hofmann, W.

AU - Howard, S.

AU - Howe, M. A.

AU - Hult, M.

AU - Inzhechik, L. V.

AU - Csáthy, J. Janicskó

AU - Janssens, R.

AU - Ješkovský, M.

AU - Jochum, J.

AU - Johansson, H. T.

AU - Judson, D.

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PY - 2017/10/16

Y1 - 2017/10/16

N2 - The observation of neutrinoless double-beta decay (0νββ) would show that lepton number is violated, reveal that neu-trinos are Majorana particles, and provide information on neutrino mass. A discovery-capable experiment covering the inverted ordering region, with effective Majorana neutrino masses of 15 - 50 meV, will require a tonne-scale experiment with excellent energy resolution and extremely low backgrounds, at the level of ∼0.1 count /(FWHM·t·yr) in the region of the signal. The current generation 76Ge experiments GERDA and the Majorana Demonstrator, utilizing high purity Germanium detectors with an intrinsic energy resolution of 0.12%, have achieved the lowest backgrounds by over an order of magnitude in the 0νββ signal region of all 0νββ experiments. Building on this success, the LEGEND collaboration has been formed to pursue a tonne-scale 76Ge experiment. The collaboration aims to develop a phased 0νββ experimental program with discovery potential at a half-life approaching or at 1028 years, using existing resources as appropriate to expedite physics results.

AB - The observation of neutrinoless double-beta decay (0νββ) would show that lepton number is violated, reveal that neu-trinos are Majorana particles, and provide information on neutrino mass. A discovery-capable experiment covering the inverted ordering region, with effective Majorana neutrino masses of 15 - 50 meV, will require a tonne-scale experiment with excellent energy resolution and extremely low backgrounds, at the level of ∼0.1 count /(FWHM·t·yr) in the region of the signal. The current generation 76Ge experiments GERDA and the Majorana Demonstrator, utilizing high purity Germanium detectors with an intrinsic energy resolution of 0.12%, have achieved the lowest backgrounds by over an order of magnitude in the 0νββ signal region of all 0νββ experiments. Building on this success, the LEGEND collaboration has been formed to pursue a tonne-scale 76Ge experiment. The collaboration aims to develop a phased 0νββ experimental program with discovery potential at a half-life approaching or at 1028 years, using existing resources as appropriate to expedite physics results.

UR - http://www.scopus.com/inward/record.url?scp=85037623542&partnerID=8YFLogxK

U2 - 10.1063/1.5007652

DO - 10.1063/1.5007652

M3 - Conference contribution

AN - SCOPUS:85037623542

T3 - AIP Conference Proceedings

BT - Workshop on Calculation of Double-Beta-Decay Matrix Elements, MEDEX 2017

A2 - Civitarese, Osvaldo

A2 - Suhonen, Jouni

A2 - Stekl, Ivan

PB - American Institute of Physics Inc.

T2 - 11th Workshop on Calculation of Double-Beta-Decay Matrix Elements, MEDEX 2017

Y2 - 29 May 2017 through 2 June 2017

ER -

Abgrall N, Abramov A, Abrosimov N, Abt I, Agostini M, Agartioglu M et al. The large enriched germanium experiment for neutrinoless double beta decay (LEGEND). In Civitarese O, Suhonen J, Stekl I, editors, Workshop on Calculation of Double-Beta-Decay Matrix Elements, MEDEX 2017. American Institute of Physics Inc. 2017. 020027. (AIP Conference Proceedings). doi: 10.1063/1.5007652

The large enriched germanium experiment for neutrinoless double beta decay (LEGEND)

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