2004
DOI: 10.1134/1.1825519
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The majorana neutrinoless double-beta decay experiment

Abstract: 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 76 Ge. A discussion is given of background reduction by: material selection, detector segmentation, pulse shape analysis, and electro-formation of copper parts and granularity. Predictions of the experimental sensitivity are given. For an experimental running time of 10 years over the construction and operation of Majorana, a sensitivity o… Show more

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Cited by 38 publications
(25 citation statements)
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“…Lead was chosen as the target material for run I as it is one of the most commonly used materials for high-Z shielding in deep underground experiments [30,21,18,22].…”
Section: The Experimental Setupmentioning
confidence: 99%
“…Lead was chosen as the target material for run I as it is one of the most commonly used materials for high-Z shielding in deep underground experiments [30,21,18,22].…”
Section: The Experimental Setupmentioning
confidence: 99%
“…One of the most remarkable aspects of the supersymmetric gauge theories is that they have a vacuum degeneracy at the classical level. It is a well established fact that the renormalizable scalar potential is a sum of squares of F -terms and D-terms which implies that it can vanish identically along certain flat directions 10 in the space of fields 11 . The properties of the space of flat directions of a supersymmetric model are crucial for making realistic considerations in cosmology and whenever the behaviour of the theory at large field strengths is an issue.…”
Section: Flat Direction Of µνSsm Modelmentioning
confidence: 99%
“…Note that the large range is due to the uncertainty in the nuclear matrix elements. Upcoming experiments like CUORE [9], GERDA [10] and MAJORANA [11] are expected to further improve these results with projected sensitivity of about 0.05 eV. Finally, it must be mentioned that some of the strongest bounds on the overall scale for neutrino masses come from cosmology.…”
Section: Introductionmentioning
confidence: 99%
“…Experiments designed to study neutrinoless double-β decay in 76 Ge typically employ enriched germanium diodes as an active detection system. These crystals have excellent energy resolution in the end-point region, typically corresponding to a resolution of ≈0.2% or about 4 keV [53]. The end-point energy of ββ decay in 76 Ge has been measured to be 2039.061 (7) keV [54].…”
Section: Cross Sections Relevant To 0νββ Decay Searchesmentioning
confidence: 99%