The Majorana Ge-76 Double-Beta Decay Project
Abstract
The Majorana Experiment is a next-generation Ge-76 double-beta decay search. It will employ 500 kg of Ge, isotopically enriched to 86% in Ge-76, in the form of 200 detectors in a close-packed array for high granularity. Each crystal will be electronically segmented, with each region fitted with pulse-shape analysis electronics. A half-life sensitivity is predicted of 4.2e27 y or <mnu> < 0.02-0.07 eV, depending on the nuclear matrix elements used to interpret the data.
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