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Title: Testing the Ge detectors for the MAJORANA DEMONSTRATOR

Journal Article · · Physics Procedia
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  1. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  2. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  3. Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
  4. Univ. of South Carolina, Columbia, SC (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  5. Institute for Theoretical and Experimental Physics, Moscow (Russia)
  6. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  7. Joint Institute for Nuclear Research, Dubna (Russia)
  8. Duke Univ., Durham, NC (United States); Triangle Univ. Nuclear Lab., Durham, NC (United States)
  9. Univ. of South Dakota, Vermillion, SD (United States)
  10. South Dakota School of Mines and Technology, Rapid City, SD (United States)
  11. North Carolina State Univ., Raleigh, NC (United States); Triangle Univ. Nuclear Lab., Durham, NC (United States)
  12. Univ. of Washington, Seattle, WA (United States)
  13. Univ. of Tennessee, Knoxville, TN (United States)
  14. Osaka Univ., Osaka (Japan)
  15. Univ. of North Carolina, Chapel Hill, NC (United States); Triangle Univ. Nuclear Lab., Durham, NC (United States)
  16. Univ. of South Carolina, Columbia, SC (United States)
  17. Univ. of Alberta, Edmonton, AB (Canada)
  18. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); North Carolina State Univ., Raleigh, NC (United States)
  19. Black Hills State Univ., Spearfish, SD (United States)
  20. Tennessee Tech Univ., Cookeville, TN (United States)
  21. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Univ. of Tennessee, Knoxville, TN (United States)
  22. South Dakota School of Mines and Technology, Rapid City, SD (United States); Black Hills State Univ., Spearfish, SD (United States)
  23. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Univ. of California, Berkeley, CA (United States)
  24. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Triangle Univ. Nuclear Lab., Durham, NC (United States); Univ. of North Carolina, Chapel Hill, NC (United States)
+ Show Author Affiliations

High purity germanium (HPGe) crystals will be used for the Majorana Demonstrator, where they serve as both the source and the detector for neutrinoless double beta decay. It is crucial for the experiment to understand the performances of the HPGe crystals. A variety of crystal properties are being investigated, including both basic properties such as energy resolution, efficiency, uniformity, capacitance, leakage current and crystal axis orientation, as well as more sophisticated properties, e.g. pulse shapes and dead layer and transition layer distribution. In this talk, we will present our measurements that characterize the HPGe crystals. In addition, we will discuss the experiment’s simulation package for the detector characterization setup, where additional information is learned from data simulation comparisons.

Research Organization:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States); Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Nuclear Physics (NP)
Grant/Contract Number:
AC05-76RL01830
OSTI ID:
1201774
Alternate ID(s):
OSTI ID: 1224508
Report Number(s):
PNNL-SA-102131; PII: S1875389214007172
Journal Information:
Physics Procedia, Vol. 61, Issue C; ISSN 1875-3892
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 4 works
Citation information provided by
Web of Science

References (11)

Two-Neutrino Double-Beta Decay journal October 2013
Large-mass ultralow noise germanium detectors: performance and applications in neutrino and astroparticle physics journal September 2007
Double beta decay, Majorana neutrinos, and neutrino mass journal April 2008
Neutrino Masses and Mixings: Status and Prospects journal November 2008
Recent Progress in Double beta Decay journal March 2012
The Evidence for the Observation of 0νββ Decay: the Identification of 0νββ Events from the full Spectra journal June 2006
Low capacitance large volume shaped-field germanium detector journal January 1989
Implementation and Performance of the Electronics and Computing System of the Gamma Ray Energy Tracking In-Beam Nuclear Array (GRETINA) journal October 2012
Sudbury neutrino observatory neutral current detector acquisition software overview journal June 2004
MaGe-a Geant4-Based Monte Carlo Application Framework for Low-Background Germanium Experiments journal June 2011
Pulse shape discrimination studies with a Broad-Energy Germanium detector for signal identification and background suppression in the GERDA double beta decay experiment journal October 2009

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Related Subjects

46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
neutrinoless double beta decay
germanium detector
majorana