ASTM E265-98 - 10.6.1998
 
1. Scope

1.1 This test method describes procedures for measuring reaction rates and fast-neutron fluences by the activation reaction 32 S(n,p) 32 P.

1.2 This activation reaction is useful for measuring neutrons with energies above approximately 3 MeV.

1.3 With suitable techniques, fission-neutron fluences from about 5 X 10 to 10 16 n/cm can be measured.

1.4 Detailed procedures for other fast-neutron detectors are described in Practice E261.

1.5 This standard does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

 
2. Referenced Documents

E721-22

Standard Guide for Determining Neutron Energy Spectra from Neutron Sensors for Radiation-Hardness Testing of Electronics

E181-23

Standard Guide for Detector Calibration and Analysis of Radionuclides in Radiation Metrology for Reactor Dosimetry

E944-19

Standard Guide for Application of Neutron Spectrum Adjustment Methods in Reactor Surveillance

E720-23

Standard Guide for Selection and Use of Neutron Sensors for Determining Neutron Spectra Employed in Radiation-Hardness Testing of Electronics

E261-16(2021)

Standard Practice for Determining Neutron Fluence, Fluence Rate, and Spectra by Radioactivation Techniques

E844-18

Standard Guide for Sensor Set Design and Irradiation for Reactor Surveillance

E170-23

Standard Terminology Relating to Radiation Measurements and Dosimetry

E1018-20e1

Standard Guide for Application of ASTM Evaluated Cross Section Data File (Includes all amendments and changes 7/2/2020).