ASTM-E263 2005

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E263-05 Standard Test Method for Measuring Fast-Neutron Reaction Rates by Radioactivation of Iron

Published By	Publication Date	Number of Pages
ASTM	2005	4

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Categories: 27.120.30 - Fissile materials and nuclear fuel technology, ASTM

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Description

1.1 This test method describes procedures for measuring reaction rates by the activation reaction ⁵⁴ Fe(n,p) ⁵⁴ Mn.

1.2 This activation reaction is useful for measuring neutrons with energies above approximately 2.2 MeV and for irradiation times up to about 3 years (for longer irradiations, see Practice E 261).

1.3 With suitable techniques, fission-neutron fluence rates above 10 ⁸ cm ² s ¹ can be determined. However, in the presence of a high thermal-neutron fluence rate (for example, >2 10 ¹⁴ cm ² s ¹ ) ⁵⁴ Mn depletion should be investigated.

1.4 Detailed procedures describing the use of other fast-neutron detectors are referenced in Practice E 261.

This standard does not purport to address all of the safety concerns, 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.

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PDF Pages	PDF Title
1	Scope Referenced Documents Terminology Summary of Test Method Significance and Use
2	( ) ( ) FIG. 1 FIG. 2
3	( ) Calculation
4	Report Precision and Bias Keywords REFERENCES

Additional information

Standard Title	E263-05 Standard Test Method for Measuring Fast-Neutron Reaction Rates by Radioactivation of Iron
Published Code	ASTM
Publication Date	2005
Pages Count	4
ICS Codes	27.120.30 - Fissile materials and nuclear fuel technology

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ASTM-E263 2005

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