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

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.; Boston, A.; Boston, H.; Boyd, S.T.P.; Breier, R.; Brudanin, V.; Brugnera, R.; Busch, M.; Buuck, M.; Caldwell, A.; Caldwell, T.S.; Camellato, T.; Carpenter, M.; Cattadori, C.; Cederkäll, J.; Chan, Y.-.; Chen, S.; Chernogorov, A.; Christofferson, C.D.; Chu, P.-.; Cooper, R.J.; Cuesta, C.; Demidova, E.V.; Deng, Z.; Deniz, M.; Detwiler, J.A.; Di Marco, N.; Domula, A.; Du, Q.; Efremenko, Y.; Egorov, V.; Elliott, S.R.; Fields, D.; Fischer, F.; Galindo-Uribarri, A.; Gangapshev, A.; Garfagnini, A.; Gilliss, T.; Giordano, M.; Giovanetti, G.K.; Gold, M.; Golubev, P.; Gooch, C.; Grabmayr, P.; Green, M.P.; Gruszko, J.; Guinn, I.S.; Guiseppe, V.E.; Gurentsov, V.; Gurov, Y.; Gusev, K.; Hakenmüeller, J.; Harkness-Brennan, L.; Harvey, Z.R.; Haufe, C.R.; Hauertmann, L.; Heglund, D.; Hehn, L.; Heinz, A.; Hiller, R.; Hinton, J.; Hodak, R.; Hofmann, W.; Howard, S.; Howe, M.A.; Hult, M.; Inzhechik, L.V.; Csáthy, J.J.; Janssens, R.; Ješkovský, M.; Jochum, J.; Johansson, H.T.; Judson, D.; Junker, M.; Kaizer, J.; Kang, K.; Kazalov, V.; Kermadic, Y.; Kiessling, F.; Kirsch, A.; Kish, A.; Klimenko, A.; Knöpfle, K.T.; Kochetov, O.; Konovalov, S.I.; Kontul, I.; Kornoukhov, V.N.; Kraetzschmar, T.; Kröninger, K.; Kumar, A.; Kuzminov, V.V.; Lang, K.; Laubenstein, M.; Lazzaro, A.; Y. L., L.; Y. -Y., L.; H. B., L.; Lin, S.T.; Lindner, M.; Lippi, I.; Liu, S.K.; Liu, X.; Liu, J.; Loomba, D.; Lubashevskiy, A.; Lubsandorzhiev, B.; Lutter, G.; Ma, H.; Majorovits, B.; Mamedov, F.; Martin, R.D.; Massarczyk, R.; Matthews, J.A.J.; Mcfadden, N.; Mei, D.-.; Mei, H.; Meijer, S.J.; 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, A.W.P.; Povinec, P.P.; Pullia, A.; Quintana, X.C.; Radford, D.C.; Rager, J.; Ransom, C.; Recchia, F.; Reine, A.L.; Riboldi, S.; Rielage, K.; Rozov, S.; Rouf, N.W.; Rukhadze, E.; Rumyantseva, N.; Saakyan, R.; Sala, E.; Salamida, F.; Sandukovsky, V.; Savard, G.; Schönert, S.; Schütz, A.-.; 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, R.L.; Vasenko, A.A.; Vasilyev, S.; Veresnikova, A.; Vetter, K.; Von Sturm, K.; Vorren, K.; Wagner, M.; Wang, G.-.; Waters, D.; Wei, W.-.; Wester, T.; White, B.R.; Wiesinger, C.; Wilkerson, J.F.; Willers, M.; Wiseman, C.; Wojcik, M.; Wong, H.T.; Wyenberg, J.; Xu, W.; Yakushev, E.; Yang, G.; C. -H., Y.; Yue, Q.; Yumatov, V.; Zeman, J.; Zeng, Z.; Zhitnikov, I.; Zhu, B.; Zinatulina, D.; Zschocke, A.; Zsigmond, A.J.; Zuber, K.; Zuzel, G.

doi:10.1063/1.5007652

The observation of neutrinoless double-beta decay (0Î½Î²Î²) 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 â¼0.1 count /(FWHMÂ·tÂ·yr) in the region of the signal. The current generation76Ge 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 0Î½Î²Î² signal region of all 0Î½Î²Î² experiments. Building on this success, the LEGEND collaboration has been formed to pursue a tonne-scale76Ge experiment. The collaboration aims to develop a phased 0Î½Î²Î² experimental program with discovery potential at a half-life approaching or at 1028years, using existing resources as appropriate to expedite physics results.

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.-. Chan, S. Chen, A. Chernogorov, C.D. Christofferson, P.-. Chu, R.J. Cooper, C. Cuesta, E.V. Demidova, Z. Deng, M. Deniz, J.A. Detwiler, N. Di Marco, A. Domula, Q. Du, Y. 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.J. 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.-. 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.-. 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.-. 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.-. Wang, D. Waters, W.-. 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.-. Yu, Q. Yue, V. Yumatov, J. Zeman, Z. Zeng, I. Zhitnikov, B. Zhu, D. Zinatulina, A. Zschocke, A.J. Zsigmond, K. Zuber, G. Zuzel (AIP CONFERENCE PROCEEDINGS). - In: Workshop on calculation of double-beta-decay matrix elements (MEDEX’17)[s.l] : AIP, 2017. - ISBN 9780735415775. - pp. 1-6 (( Intervento presentato al 11. convegno Workshop on Calculation of Double-Beta-Decay Matrix Elements (MEDEX) tenutosi a Prague nel 2017 [10.1063/1.5007652].

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

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.;Boston, A.;Boston, H.;Boyd, S. T. P.;Breier, R.;Brudanin, V.;Brugnera, R.;Busch, M.;Buuck, M.;Caldwell, A.;Caldwell, T. S.;Camellato, T.;Carpenter, M.;Cattadori, C.;Cederkäll, J.;Chan, Y. -D.;Chen, S.;Chernogorov, A.;Christofferson, C. D.;Chu, P. -H.;Cooper, R. J.;Cuesta, C.;Demidova, E. V.;Deng, Z.;Deniz, M.;Detwiler, J. A.;Di Marco, N.;Domula, A.;Du, Q.;Efremenko, Yu.;Egorov, V.;Elliott, S. R.;Fields, D.;Fischer, F.;Galindo-Uribarri, A.;Gangapshev, A.;Garfagnini, A.;Gilliss, T.;Giordano, M.;Giovanetti, G. K.;Gold, M.;Golubev, P.;Gooch, C.;Grabmayr, P.;Green, M. P.;Gruszko, J.;Guinn, I. S.;Guiseppe, V. E.;Gurentsov, V.;Gurov, Y.;Gusev, K.;Hakenmüeller, J.;Harkness-Brennan, L.;Harvey, Z. R.;Haufe, C. R.;Hauertmann, L.;Heglund, D.;Hehn, L.;Heinz, A.;Hiller, R.;Hinton, J.;Hodak, R.;Hofmann, W.;Howard, S.;Howe, M. A.;Hult, M.;Inzhechik, L. V.;Csáthy, J. Janicskó;Janssens, R.;Ješkovský, M.;Jochum, J.;Johansson, H. T.;Judson, D.;Junker, M.;Kaizer, J.;Kang, K.;Kazalov, V.;Kermadic, Y.;Kiessling, F.;Kirsch, A.;Kish, A.;Klimenko, A.;Knöpfle, K. T.;Kochetov, O.;Konovalov, S. I.;Kontul, I.;Kornoukhov, V. N.;Kraetzschmar, T.;Kröninger, K.;Kumar, A.;Kuzminov, V. V.;Lang, K.;Laubenstein, M.;Lazzaro, A.;Li, Y. L.;Li, Y. -Y.;Li, H. B.;Lin, S. T.;Lindner, M.;Lippi, I.;Liu, S. K.;Liu, X.;Liu, J.;Loomba, D.;Lubashevskiy, A.;Lubsandorzhiev, B.;Lutter, G.;Ma, H.;Majorovits, B.;Mamedov, F.;Martin, R. D.;Massarczyk, R.;Matthews, J. A. J.;McFadden, N.;Mei, D. -M.;Mei, H.;Meijer, S. J.;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, A. W. P.;Povinec, P. P.;A. Pullia;Quintana, X. C.;Radford, D. C.;Rager, J.;Ransom, C.;Recchia, F.;Reine, A. L.;S. Riboldi;Rielage, K.;Rozov, S.;Rouf, N. W.;Rukhadze, E.;Rumyantseva, N.;Saakyan, R.;Sala, E.;Salamida, F.;Sandukovsky, V.;Savard, G.;Schönert, S.;Schütz, A. -K.;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, R. L.;Vasenko, A. A.;Vasilyev, S.;Veresnikova, A.;Vetter, K.;Von Sturm, K.;Vorren, K.;Wagner, M.;Wang, G. -J.;Waters, D.;Wei, W. -Z.;Wester, T.;White, B. R.;Wiesinger, C.;Wilkerson, J. F.;Willers, M.;Wiseman, C.;Wojcik, M.;Wong, H. T.;Wyenberg, J.;Xu, W.;Yakushev, E.;Yang, G.;Yu, C. -H.;Yue, Q.;Yumatov, V.;Zeman, J.;Zeng, Z.;Zhitnikov, I.;Zhu, B.;Zinatulina, D.;Zschocke, A.;Zsigmond, A. J.;Zuber, K.;Zuzel, G.

2017

Abstract

The observation of neutrinoless double-beta decay (0Î½Î²Î²) 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 â¼0.1 count /(FWHMÂ·tÂ·yr) in the region of the signal. The current generation76Ge 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 0Î½Î²Î² signal region of all 0Î½Î²Î² experiments. Building on this success, the LEGEND collaboration has been formed to pursue a tonne-scale76Ge experiment. The collaboration aims to develop a phased 0Î½Î²Î² experimental program with discovery potential at a half-life approaching or at 1028years, using existing resources as appropriate to expedite physics results.

Scheda breve

Scheda completa

Scheda completa (DC)

	Parole chiave
	
			Physics and Astronomy (all)
		
	Settori scientifico-disciplinari del contributo
	
			Settore FIS/01 - Fisica Sperimentale
Settore FIS/04 - Fisica Nucleare e Subnucleare
		
	Data di pubblicazione
	
			2017
		
	DOI
	
			https://dx.doi.org/10.1063/1.5007652
		
	Tipologia
	
			Book Part (author)
		
	Appare nelle tipologie:
	
			03 - Contributo in volume

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