ASTM E 2059 Standard Practice for Application and Analysis of Nuclear Research Emulsions for Fast Neutron Dosimetry

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ASTM E 2059 Document Information:

Title
Standard Practice for Application and Analysis of Nuclear Research Emulsions for Fast Neutron Dosimetry

ASTM International

Publication Date:
Jan 1, 2006

Scope:

Nuclear Research Emulsions (NRE) have a long and illustrious history of applications in the physical sciences, earth sciences and biological sciences (1,2)². In the physical sciences, NRE experiments have led to many fundamental discoveries in such diverse disciplines as nuclear physics, cosmic ray physics and high energy physics. In the applied physical sciences, NRE have been used in neutron physics experiments in both fission and fusion reactor environments (3-6). Numerous NRE neutron experiments can be found in other applied disciplines, such as nuclear engineering, environmental monitoring and health physics. Given the breadth of NRE applications, there exist many textbooks and handbooks that provide considerable detail on the techniques used in the NRE method. As a consequence, this practice will be restricted to the application of the NRE method for neutron measurements in reactor physics and nuclear engineering with particular emphasis on neutron dosimetry in benchmark fields (see Matrix E 706).

NRE are passive detectors and provide time integrated reaction rates. As a consequence, NRE provide fluence measurements without the need for time-dependent corrections, such as arise with radiometric (RM) dosimeters (see Test Method E 1005). NRE provide permanent records, so that optical microscopy observations can be carried out anytime after exposure. If necessary, NRE measurements can be repeated at any time to examine questionable data or to obtain refined results.

² The boldface numbers in parentheses refer to the list of references at the end of the text.

Keywords:

NRE

optical microscopes

proton-recoil tracks

fast-neutron dosimetry

nuclear emulsions

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