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Title: Laboratory studies on the removal of radon-born lead from KamLAND's organic liquid scintillator

Journal Article · · Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment
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  1. Univ. of Alabama, Tuscaloosa, AL (United States)
  2. Univ. of Alabama, Tuscaloosa, AL (United States); Univ. of Tokyo (Japan)
  3. Tohoku Univ., Sendai (Japan)
  4. Tohoku Univ., Sendai (Japan); Univ. of Tokyo (Japan)
  5. California Inst. of Technology (CalTech), Pasadena, CA (United States)
  6. Univ. of Tennessee, Knoxville, TN (United States)
  7. Colorado State Univ., Fort Collins, CO (United States); Univ. of Tokyo (Japan)
  8. Louisiana State Univ., Baton Rouge, LA (United States)
  9. Univ. of California, Berkeley, CA (United States); Univ. of Tokyo (Japan)
  10. Univ. of California, Berkeley, CA (United States)
  11. California Inst. of Technology (CalTech), Pasadena, CA (United States); Univ. of California, Berkeley, CA (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  12. Stanford Univ., CA (United States)
  13. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Yale Univ., New Haven, CT (United States)
  14. Univ. of California, Berkeley, CA (United States); Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
  15. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Univ. of Tennessee, Knoxville, TN (United States)
  16. Triangle Univ. Nuclear Laboratory, Durham, NC (United States); Duke Univ., Durham, NC (United States); Univ. of North Carolina, Chapel Hill, NC (United States)
  17. Drexel Univ., Philadelphia, PA (United States)
  18. Univ. of Hawaii at Manoa, Honolulu, HI (United States)
  19. Kansas State Univ., Manhattan, KS (United States)
+ Show Author Affiliations

The removal of radioactivity from liquid scintillator has been studied in preparation of a low background phase of KamLAND. This paper describes the methods and techniques developed to measure and efficiently extract radon decay products from liquid scintillator. We report the radio isotope reduction factors obtained when applying various extraction methods. During this study, distillation was identified as the most efficient method for removing radon-born lead from liquid scintillator.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States); Univ. of Alabama, Tuscaloosa, AL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Nuclear Physics (NP)
Grant/Contract Number:
FG02-01ER41166; AC02-05CH11231
OSTI ID:
1252722
Alternate ID(s):
OSTI ID: 1245656; OSTI ID: 1595122
Journal Information:
Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 769, Issue C; ISSN 0168-9002
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 11 works
Citation information provided by
Web of Science

References (21)

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Solar Neutrinos: A Scientific Puzzle journal January 1976
First Results from KamLAND: Evidence for Reactor Antineutrino Disappearance journal January 2003
Measurement of Neutrino Oscillation with KamLAND: Evidence of Spectral Distortion journal March 2005
Precision Measurement of Neutrino Oscillation Parameters with KamLAND journal June 2008
Reactor on-off antineutrino measurement with KamLAND journal August 2013
New Solar Opacities, Abundances, Helioseismology, and Neutrino Fluxes journal January 2005
Tracing Noble gas Radionuclides in the Environment journal December 2004
Determination of the argon concentration in ambient dry air for the calculation of air density journal October 2007
Experimental scintillator purification tests with silica gel chromatography
  • Niedermeier, Ludwig; Grieb, Christian; Oberauer, Lothar
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 568, Issue 2 https://doi.org/10.1016/j.nima.2006.08.006
journal December 2006
Liquid Scintillator Purification conference January 2005
Low background phase of KamLAND journal December 2011
Laboratory Studies of Lead Removal from Liquid Scintillator in Preparation for KamLAND’s Low Background Phase conference January 2011
A radium assay technique using hydrous titanium oxide adsorbent for the Sudbury Neutrino Observatory
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journal April 2003
A scintillator purification system for a large scale solar neutrino experiment
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journal November 1998
A scintillator purification system for the Borexino solar neutrino detector
  • Benziger, J.; Cadonati, L.; Calaprice, F.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 587, Issue 2-3 https://doi.org/10.1016/j.nima.2007.12.043
journal March 2008
Systematic study of trace radioactive impurities in candidate construction materials for EXO-200
  • Leonard, D. S.; Grinberg, P.; Weber, P.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 591, Issue 3 https://doi.org/10.1016/j.nima.2008.03.001
journal July 2008
Concentration of hydroxyl groups on the surface of amorphous silicas journal May 1987
Radiation protection effects by addition of aromatic compounds to n-dodecane journal July 2001
Metal ion extraction with a thiol hydrophilic resin journal October 1981
Tracing Noble Gas Radionuclides in the Environment text January 2004

Cited By (1)

Be 7 solar neutrino measurement with KamLAND text January 2015

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Related Subjects

46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
KamLAND
low background
purification
liquid scintillator
solar neutrinos
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
Lead removal from liquid scintillator