ASTM E523-21e1 PDF

Scope: 1.1?This test method covers procedures for measuring reaction rates by the activation reaction 63Cu(n,��) 60Co. The cross section for 60Co produced in this reaction increases rapidly with neutrons having energies greater than about 4.5 MeV. 60Co decays with a half-life of 5.27

ASTM E523-21e1 Referenced Document

ASTM E1005 Standard Test Method for Application and Analysis of Radiometric Monitors for Reactor Vessel Surveillance, E 706(IIIA)
ASTM E1018 Standard Guide for Application of ASTM Evaluated Cross Section Data File, Matrix E 706 (IIB)
ASTM E170 Standard Terminology Relating to Radiation Measurements and Dosimetry
ASTM E181 Standard Test Methods for Detector Calibration and Analysis of Radionuclides
ASTM E261 Standard Practice for Determining Neutron Fluence, Fluence Rate, and Spectra by Radioactivation Techniques
ASTM E844 Standard Guide for Sensor Set Design and Irradiation for Reactor Surveillance, E 706(IIC)
ASTM E944 Standard Guide for Application of Neutron Spectrum Adjustment Methods in Reactor Surveillance, (IIA)

2021 ASTM E523-21e1 Standard Test Method for Measuring Fast-Neutron Reaction Rates by Radioactivation of Copper
2021 ASTM E523-21 Standard Test Method for Measuring Fast-Neutron Reaction Rates by Radioactivation of Copper
2016 ASTM E523-16 Standard Test Method for Measuring Fast-Neutron Reaction Rates by Radioactivation of Copper
2011 ASTM E523-11 Standard Test Method for Measuring Fast-Neutron Reaction Rates by Radioactivation of Copper
2007 ASTM E523-07 Standard Test Method for Measuring Fast-Neutron Reaction Rates by Radioactivation of Copper
2002 ASTM E523-02 Standard Test Method for Measuring Fast-Neutron Reaction Rates by Radioactivation of Copper
2001 ASTM E523-01 Standard Test Method for Measuring Fast-Neutron Reaction Rates by Radioactivation of Copper
1992 ASTM E523-92(1996) Standard Test Method for Measuring Fast-Neutron Reaction Rates by Radioactivation of Copper