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

A. Bellerive; A. Burenkov; A. Dolgolenko; A. Kovalenko; A. Odian; A. Piepke; A. Pocar; Arnold; B. Flatt; Becker; Becker; Boger; C. Hall; C. Hargrove; C. Virtue; C.Y. Prescott; Carter; Chai; Chou; D. Akimov; D. Hallman; D. Kovalenko; D. Mackay; D. Schenker; D. Sinclair; D.S. Leonard; Danilov; Djurcic; E. Baussan; Eroglu; Esch; F. LePort; G. Gratta; G. Keefer; G. Smirnov; Grinberg; I. Ekchtout; J. Farine; J. Hodgson; J. Wodin; J.-L. Vuilleumier; J.-M. Vuilleumier; K. Hall; K. O’Sullivan; K. Skarpaas; K. Wamba; L. Ounalli; LePort; Lozano; M. Bowcock; M. Breidenbach; M. Danilov; M. Dixit; M. Green; M. Moe; M. Montero Díez; Mykytiuk; P. Fierlinger; P. Grinberg; P. Weber; P.C. Rowson; R. Conley; R. DeVoe; R. Herbst; R. Neilson; Redshaw; S. Jeng; S. Kolkowitz; Tagami; V. Stekhanov; V. Strickland; Vijayalakshmi; W. Craddock; W. Fairbank; Winchester; Z. Djurcic

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

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.Comment: 32 pages, 6 figures. Expanded introduction, added missing table entry. Accepted for publication in Nucl. Instrum. Meth.

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