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The Majorana project

Conference ·
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  1. Los Alamos National Laboratory
  2. PNNL
  3. UNC, TUNL
  4. LBNL
  5. UW
  6. NCSU, TUNL
  7. ORNL
  8. ITEP
  9. UC
  10. JINR
  11. UT
  12. USC
  13. OU
  14. DUKE, TUNL
  15. UA
  16. USD
  17. NCSU, TUNL, PNNL
  18. LBNL, UCB
  19. QU
  20. LBNL, UCBNE
+ Show Author Affiliations
Building a 0{nu}{beta}{beta} experiment with the ability to probe neutrino mass in the inverted hierarchy region requires the combination of a large detector mass sensitive to 0{nu}{beta}{beta}, on the order of 1 ton, and unprecedented background levels, on the order of or less than 1 count per year in the 0{nu}{beta}{beta} signal region. The MAJORANA Collaboration proposes a design based on using high-purity enriched {sup 76}Ge crystals deployed in ultra-low background electroformed Cu cryostats and using modern analysis techniques that should be capable of reaching the required sensitivity while also being scalable to a 1-ton size. To demonstrate feasibility, the collaboration plans to construct a prototype system, the MAJORANA Demonstrator, consisting of 30 kg of 86% enriched {sup 76}Ge detectors and 30 kg of natural or isotope-76-depleted Ge detectors. We plan to deploy and evaluate two different Ge detector technologies, one based on a p-type configuration and the other on n-type.
Research Organization:
Los Alamos National Laboratory (LANL)
Sponsoring Organization:
DOE
DOE Contract Number:
AC52-06NA25396
OSTI ID:
957759
Report Number(s):
LA-UR-08-04513; LA-UR-08-4513
Country of Publication:
United States
Language:
English

Similar Records

The MAJORANA Project
Journal Article · Mon Jun 01 00:00:00 EDT 2009 · Journal of Physics. Conference Series (Online) · OSTI ID:1228360
The Majorana Neutrinoless Double-Beta Decay Experiment
Journal Article · Sun Oct 31 23:00:00 EST 2004 · Physics of Atomic Nuclei · OSTI ID:20692674
The Majorana Demonstrator: A search for neutrinoless double-beta decay of germanium-76
Journal Article · Sun Dec 29 23:00:00 EST 2013 · AIP Conference Proceedings · OSTI ID:22262673

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
CONFIGURATION
CRYOSTATS
DESIGN
DOUBLE BETA DECAY
GE SEMICONDUCTOR DETECTORS
GERMANIUM 76
MASS
NEUTRINOS
SENSITIVITY