MAJORANA

This article is about the physics experiment. For other uses, see Majorana (disambiguation).

The MAJORANA project (styled Majorana) is an international effort to search for neutrinoless double beta decay (0νββ) in 76Ge. The project builds upon the work of previous experiments, notably those performed by the Heidelberg–Moscow and IGEX collaborations, which used high-purity germanium (HPGe) detectors to study neutrinoless double-beta decay.

The first stage of the project is the Majorana Demonstrator (MJD), designed to demonstrate the technique and evaluate a ton-scale experiment.

Cryostats housing up to 40 kg of natural and enriched germanium detectors are being deployed in low-background vacuum cryostats at the Sanford Underground Laboratory, 1,480 m below ground in Lead, South Dakota. Following the Demonstrator, the collaboration intends to merge with the GERDA collaboration to build a much larger experiment called LEGEND.

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