1.1 This test method covers the design, materials, manufacture, and use of a divergence and alignment indicator (DAI) for measuring the effective divergence of a thermal neutron beam used for neutron imaging as well as determining the alig
ASTM
Standard Test Method for Measurement of Beam Divergence and Alignment in Neutron Radiologic Beams
STD-85429
2011
2011-12-01
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