English
Related papers

Related papers: Background Model for the Majorana Demonstrator

200 papers

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 proposed Majorana double-beta decay experiment is based on an array of segmented intrinsic Ge detectors with a total mass of 500 kg of Ge isotopically enriched to 86% in 76Ge. A discussion is given of background reduction by: material…

High Energy Physics - Experiment · Physics 2008-11-26 Aalseth

The MAJORANA DEMONSTRATOR will search for the neutrinoless double-beta decay of the 76Ge isotope with a mixed array of enriched and natural germanium detectors. The observation of this rare decay would indicate the neutrino is its own…

The objective of the Majorana Experiment is to study neutrinoless double beta decay (0nbb) with an effective Majorana-neutrino mass sensitivity below 50 meV in order to characterize the Majorana nature of the neutrino, the Majorana mass…

Nuclear Experiment · Physics 2012-08-27 The Majorana collaboration

A high efficiency, low background counting setup has been made at TIFR consisting of a special HPGe detector ($\sim$ 70%) surrounded by a low activity copper+lead shield. Detailed measurements are performed with point and extended geometry…

Instrumentation and Detectors · Physics 2014-08-21 N. Dokania , V. Singh , S. Mathimalar , V. Nanal , S. Pal , R. G. Pillay

We develop the search strategy for a heavy Majorana neutrino via the lepton number violation signal process $p\, e^- \to \mu^+ jjj$ at future electron-proton colliders. The signal and dominant standard model background events are generated…

High Energy Physics - Phenomenology · Physics 2022-07-25 Haiyong Gu , Kechen Wang

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…

Low background gamma spectrometry employing HPGe detectors is a sensitive technique for measuring low-level radioactivity in environmental applications, material screening, and for rare decay searches. This work presents spectroscopic…

Instrumentation and Detectors · Physics 2023-08-24 Swati Thakur , Soni Devi , Sanjeet S. Kaintura , Katyayni Tiwari , Pushpendra P. Singh

The Majorana Demonstrator experiment operated two modular arrays of p-type point contact high purity germanium (HPGe) detectors, of which 30 kg is enriched to 88% in Ge-76, to search for neutrinoless double beta decay. The data-taking…

High Energy Physics - Experiment · Physics 2022-03-02 Wenqin Xu

The \MJ\ Collaboration is operating an array of high purity Ge detectors to search for neutrinoless double-beta decay in $^{76}$Ge. The \MJ\ \DEM\ comprises 44.1~kg of Ge detectors (29.7 kg enriched in $^{76}$Ge) split between two modules…

Nuclear Experiment · Physics 2018-04-04 C. E. Aalseth , N. Abgrall , E. Aguayo , S. I. Alvis , M. Amman , I. J. Arnquist , F. T. Avignone , H. O. Back , A. S. Barabash , P. S. Barbeau , C. J. Barton , P. J. Barton , F. E. Bertrand , T. Bode , B. Bos , M. Boswell , R. L. Brodzinski , A. W. Bradley , V. Brudanin , M. Busch , M. Buuck , A. S. Caldwell , T. S. Caldwell , Y-D. Chan , C. D. Christofferson , P. -H. Chu , J. I. Collar , D. C. Combs , R. J. Cooper , C. Cuesta , J. A. Detwiler , P. J. Doe , J. A. Dunmore , Yu. Efremenko , H. Ejiri , S. R. Elliott , J. E. Fast , P. Finnerty , F. M. Fraenkle , Z. Fu , B. K. Fujikawa , E. Fuller , A. Galindo-Uribarri , V. M. Gehman , T. Gilliss , G. K. Giovanetti , J. Goett , M. P. Green , J. Gruszko , I. S. Guinn , V. E. Guiseppe , A. L. Hallin , C. R. Haufe , L. Hehn , R. Henning , E. W. Hoppe , T. W. Hossbach , M. A. Howe , B. R. Jasinski , R. A. Johnson , K. J. Keeter , J. D. Kephart , M. F. Kidd , A. Knecht , S. I. Konovalov , R. T. Kouzes , K. T. Lesko , B. D. LaFerriere , J. Leon , L. E. Leviner , J. C. Loach , A. M. Lopez , P. N. Luke , J. MacMullin , S. MacMullin , M. G. Marino , R. D. Martin , R. Massarczyk , A. B. McDonald , D. -M. Mei , S. J. Meijer , J. H. Merriman , S. Mertens , H. S. Miley , M. L. Miller , J. Myslik , J. L. Orrell , C. O'Shaughnessy , G. Othman , N. R. Overman , W. Pettus , D. G. Phillips , A. W. P. Poon , G. Perumpilly , K. Pushkin , D. C. Radford , J. Rager , J. H. Reeves , A. L. Reine , K. Rielage , R. G. H. Robertson , M. C. Ronquest , N. W. Ruof , A. G. Schubert , B. Shanks , M. Shirchenko , K. J. Snavely , N. Snyder , D. Steele , A. M. Suriano , D. Tedeschi , W. Tornow , J. E. Trimble , R. L. Varner , S. Vasilyev , K. Vetter , K. Vorren , B. R. White , J. F. Wilkerson , C. Wiseman , W. Xu , E. Yakushev , H. Yaver , A. R. Young , C. -H. Yu , V. Yumatov , I. Zhitnikov , B. X. Zhu , S. Zimmermann

The observation of neutrinoless double-beta decay would determine whether the neutrino is a Majorana particle and provide information on the absolute scale of neutrino mass. The MAJORANA Collaboration is constructing the DEMONSTRATOR, an…

At present, MAJORANA is a research and development (R&D) project to investigate the feasibility and cost of constructing and operating a one ton decay experiment with ~1000 kg of Ge detectors fabricated from germanium enriched to 86% in .…

Nuclear Experiment · Physics 2019-08-13 F. T. Avignone

The MAJORANA collaboration is actively pursuing research and development aimed at a tonne-scale 76Ge neutrinoless double-beta decay) experiment. The current, primary focus is the construction of the MAJORANA DEMONSTRATOR experiment, an R&D…

Nuclear Experiment · Physics 2012-08-27 The MAJORANA Collaboration