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Title: Historical review of lung counting efficiencies for low energy photon emitters

This publication reviews the measured efficiency and variability over time of a high purity planar germanium in vivo lung count system for multiple photon energies using increasingly thick overlays with the Lawrence Livermore Torso Phantom. Furthermore, the measured variations in efficiency are compared with the current requirement for in vivo bioassay performance as defined by the American National Standards Institute Standard.
Authors:
 [1] ;  [1]
  1. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Publication Date:
OSTI Identifier:
1244656
Report Number(s):
LLNL-JRNL--606732
Journal ID: ISSN 0017-9078
Grant/Contract Number:
AC52-07NA27344
Type:
Accepted Manuscript
Journal Name:
Health Physics
Additional Journal Information:
Journal Volume: 106; Journal Issue: 3; Journal ID: ISSN 0017-9078
Publisher:
Health Physics Society
Research Org:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
99 GENERAL AND MISCELLANEOUS; 61 RADIATION PROTECTION AND DOCIMETRY detector; germanium; calibration; spectrometry; gamma; plutonium; whole body counting; bioassay