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The MAJORANA DEMONSTRATOR is searching for neutrinoless double-beta decay in $^{76}$Ge with two modular arrays of natural and $^{76}$Ge-enriched germanium detectors. It is located at the 4850 level of Sanford Underground Research Facility…

High Energy Physics - Experiment · Physics 2020-01-08 J. M. López-Castaño

The MAJORANA collaboration is constructing the MAJORANA DEMONSTATOR at the Sanford Underground Research Facility at the Homestake gold mine, in Lead, SD. The apparatus will use Ge detectors, enriched in isotope \nuc{76}{Ge}, to demonstrate…

An approach to developing a feasible neutrinoless double beta decay experiment capable of probing Majorana masses in the regime of the nondegenerate normal neutrino mass hierarchy is proposed. For such an experiment, this study suggests…

Instrumentation and Detectors · Physics 2014-05-15 Steven D Biller

The Majorana Demonstrator is an ultra-low background physics experiment searching for the neutrinoless double beta decay of $^{76}$Ge. The Majorana Parts Tracking Database is used to record the history of components used in the construction…

Background: The MAJORANA DEMONSTRATOR , a modular array of isotopically enriched high-purity germanium (HPGe) detectors, was constructed to demonstrate backgrounds low enough to justify building a tonne-scale experiment to search for the…

Instrumentation and Detectors · Physics 2025-01-07 N. Abgrall , E. Aguayo , I. J. Arnquist , F. T. Avignone , A. S. Barabash , C. J. Barton , P. J. Barton , F. E. Bertrand , E. Blalock , B. Bos , M. Boswell , A. W. Bradley , V. Brudanin , T. H. Burritt , M. Busch , M. Buuck , D. Byram , A. S. Caldwell , T. S. Caldwell , Y. -D. Chan , C. D. Christofferson , P. -H. Chu , M. L. Clark , D. C. Combs , C. Cuesta , J. A. Detwiler , Yu. Efremenko , H. Ejiri , S. R. Elliott , J. E. Fast , P. Finnerty , F. M. Fraenkle , N. Fuad , E. Fuller , T. Gilliss , G. K. Giovanetti , J. Goett , M. P. Green , J. Gruszko , I. S. Guinn , V. E. Guiseppe , G. C. Harper , C. R. Haufe , R. Henning , D. Hervas Aguilar , E. W. Hoppe , A. Hostiuc , M. A. Howe , B. R. Jasinski , K. J. Keeter , M. F. Kidd , I. Kim , R. T. Kouzes , B. D. LaFerriere , T. E. Lannen , A. Li , J. C. Loach , A. M. Lopez , J. M. Lopez-Castano , J. MacMullin , S. MacMullin , E. L. Martin , R. D. Martin , R. Massarczyk , S. J. Meijer , J. H. Merriman , S. Mertens , H. S. Miley , J. Myslik , T. K. Oli , J. L. Orrell , C. O'Shaughnessy , G. Othman , N. R. Overman , D. Peterson , W. Pettus , A. W. P. Poon , D. C. Radford , J. Rager , A. L. Reine , K. Rielage , R. G. H. Robertson , L. Rodriguez , N. W. Ruof , H. Salazar , D. C. Schaper , S. J. Schleich , B. Shanks , M. Shirchenko , K. J. Snavely , N. Snyder , A. Soin , D. Steele , A. M. Suriano , G. Swift , D. Tedeschi J. E. Trimble , M. Turqueti , T. D. Van Wechel , R. L. Varner , S. Vasilyev , K. Vorren , S. L. Watkins , B. R. White , J. F. Wilkerson , C. Wiseman , W. Xu , H. Yaver , C. -H. Yu , V. I. Yumatov , I. Zhitnikov , B. X. Zhu

The SuperNEMO experiment is being designed to search for neutrinoless double beta decay to test if neutrinos are Majorana particles. The experimental technique follows that of the currently running NEMO-3 experiment, which successfully…

High Energy Physics - Experiment · Physics 2019-08-14 Irina Nasteva

The Majorana Demonstrator was an ultra-low-background experiment designed for neutrinoless double-beta decay ($0\nu\beta\beta$) investigation in $^{76}$Ge. Located at the Sanford Underground Research Facility in Lead, South Dakota, the…

A brief review of the history and neutrino physics of double beta decay is given. A description of the MAJORANA DEMONSTRATOR research and development program including background reduction techniques is presented in some detail. The…

A discovery that neutrinos are not the usual Dirac but Majorana fermions, i.e. identical to their antiparticles, would be a manifestation of new physics with profound implications for particle physics and cosmology. Majorana neutrinos would…

High Energy Physics - Experiment · Physics 2019-10-01 GERDA collaboration , M. Agostini , A. M. Bakalyarov , M. Balata , I. Barabanov , L. Baudis , C. Bauer , E. Bellotti , S. Belogurov , A. Bettini , L. Bezrukov , D. Borowicz , V. Brudanin , R. Brugnera , A. Caldwell , C. Cattadori , A. Chernogorov , T. Comellato , V. D'Andrea , E. V. Demidova , N. Di Marco , A. Domula , E. Doroshkevich , V. Egorov , R. Falkenstein , M. Fomina , A. Gangapshev , A. Garfagnini , M. Giordano , P. Grabmayr , V. Gurentsov , K. Gusev , J. Hakenmüller , A. Hegai , M. Heisel , S. Hemmer , R. Hiller , W. Hofmann , M. Hult , L. V. Inzhechik , J. Janicskó Csáthy , J. Jochum , M. Junker , V. Kazalov , Y. Kermaïdic , T. Kihm , I. V. Kirpichnikov , A. Kirsch , A. Kish , A. Klimenko , R. Kneißl , K. T. Knöpfle , O. Kochetov , V. N. Kornoukhov , P. Krause , V. V. Kuzminov , M. Laubenstein , A. Lazzaro , M. Lindner , I. Lippi , A. Lubashevskiy , B. Lubsandorzhiev , G. Lutter , C. Macolino , B. Majorovits , W. Maneschg , M. Miloradovic , R. Mingazheva , M. Misiaszek , P. Moseev , I. Nemchenok , K. Panas , L. Pandola , K. Pelczar , L. Pertoldi , P. Piseri , A. Pullia , C. Ransom , S. Riboldi , N. Rumyantseva , C. Sada , E. Sala , F. Salamida , C. Schmitt , B. Schneider , S. Schönert , A. -K. Schütz , O. Schulz , B. Schwingenheuer , M. Schwarz , O. Selivanenko , E. Shevchik , M. Shirchenko , H. Simgen , A. Smolnikov , L. Stanco , D. Stukov , L. Vanhoefer , A. A. Vasenko , A. Veresnikova , K. von Sturm , V. Wagner , A. Wegmann , T. Wester , C. Wiesinger , M. Wojcik , E. Yanovich , I. Zhitnikov , S. V. Zhukov , D. Zinatulina , A. Zschocke , A. J. Zsigmond , K. Zuber , G. Zuzel

High purity germanium (HPGe) crystals will be used for the MAJORANA DEMONSTRATOR, where they serve as both the source and the detector for neutrinoless double beta decay. It is crucial for the experiment to understand the performance of the…

Neutrinoless double-beta decay (0$\nu\beta\beta$) decay is a hypothetical process that violates lepton number, and whose observation would unambiguously indicate that neutrinos are Majorana fermions. In the standard inverted-ordering…

Nuclear Experiment · Physics 2019-12-10 J. M. López-Castaño , I. Guinn

The observation of neutrinoless double-beta decay (0${\nu}{\beta}{\beta}$) would show that lepton number is violated, reveal that neutrinos are Majorana particles, and provide information on neutrino mass. A discovery-capable experiment…

Instrumentation and Detectors · Physics 2018-06-15 LEGEND Collaboration , 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. Kermaïdic , F. Kiessling , A. Kirsch , A. Kish , A. Klimenko , K. T. 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

Neutrinoless double-beta decay is practically the only way to establish the Majorana nature of the neutrino mass and its decay rate provides a probe of an effective neutrino mass. Double beta experiments are long-running underground…

Nuclear Experiment · Physics 2008-12-08 Oleg Chkvorets

Neutrinoless double-beta decay experiments can potentially determine the Majorana or Dirac nature of the neutrino, and aid in understanding the neutrino absolute mass scale and hierarchy. Future 76Ge-based searches target a half-life…