Systematic study of trace radioactive impurities in candidate construction materials for EXO-200

D. S. Leonard, P. Grinberg, P. Weber, E. Baussan, Z. Djurcic, G. Keefer, A. Piepke, A. Pocar, J. L. Vuilleumier, J. M. Vuilleumier, D. Akimov, A. Bellerive, M. Bowcock, M. Breidenbach, A. Burenkov, R. Conley, W. Craddock, M. Danilov, R. DeVoe, M. DixitA. Dolgolenko, I. Ekchtout, W. Fairbank, J. Farine, P. Fierlinger, B. Flatt, G. Gratta, M. Green, C. Hall, K. Hall, D. Hallman, C. Hargrove, R. Herbst, J. Hodgson, S. Jeng, S. Kolkowitz, A. Kovalenko, D. Kovalenko, F. LePort, D. Mackay, M. Moe, M. Montero Díez, R. Neilson, A. Odian, K. O'Sullivan, L. Ounalli, C. Y. Prescott, P. C. Rowson, D. Schenker, D. Sinclair, K. Skarpaas, G. Smirnov, V. Stekhanov, V. Strickland, C. Virtue, K. Wamba, J. Wodin

Research output: Contribution to journalArticlepeer-review

135 Scopus citations

Abstract

The Enriched Xenon Observatory (EXO) will search for double beta decays of 136Xe. We report the results of a systematic study of trace concentrations of radioactive impurities in a wide range of raw materials and finished parts considered for use in the construction of EXO-200, the first stage of the EXO experimental program. Analysis techniques employed, and described here, include direct gamma counting, alpha counting, neutron activation analysis, and high-sensitivity mass spectrometry.

Original languageEnglish
Pages (from-to)490-509
Number of pages20
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume591
Issue number3
DOIs
StatePublished - 1 Jul 2008
Externally publishedYes

Keywords

  • Alpha counting
  • Double beta decay
  • EXO
  • EXO-200
  • Germanium counting
  • Low background
  • Mass spectrometry
  • Mass spectroscopy
  • Neutron activation analysis
  • Radiopurity
  • Trace analysis

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