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      Longitudinal monitoring of whole body counter NaI(Tl) detector efficiency.

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          Abstract

          Assessing accuracy of radiation counting systems over time is critical. We examined long-term WBC performance in detail. Efficiency factors for 54 detectors were updated annually over several years. Newer efficiency values were compared with baseline and with annual values. Overall system efficiency has declined (-1.9% over 3 yrs) and appears to be doing so at an increasing rate. Having more specific performance data on individual components can make the process of system maintenance and repair more straightforward and efficient.

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          Author and article information

          Journal
          Appl Radiat Isot
          Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine
          Elsevier BV
          1872-9800
          0969-8043
          Jul 2017
          : 125
          Affiliations
          [1 ] USDA/ARS Children's Nutrition Research Center, Department of Pediatrics, Baylor College of Medicine, 1100 Bates Street, Houston, TX 77030, USA. Electronic address: shypailo@bcm.edu.
          Article
          S0969-8043(16)30899-5
          10.1016/j.apradiso.2017.04.011
          28411537
          15b0b6f8-d29f-4027-8cd9-fc3f7b0aa7a4
          History

          Body composition,Calibration,Efficiency,Gamma rays,Monte Carlo method,Reproducibility of Results,Whole-body counting

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