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New measurement of the /sup 6/Li(n,. cap alpha. )T cross section. [3 to 800 keV]

Journal Article · · Nucl. Sci. Eng.; (United States)
OSTI ID:6328995

The shape of the /sup 6/Li(n,..cap alpha..)T cross-section curve was measured from 3- to 800-keV neutron energy. The neutrons were produced by the National Bureau of Standards 140-MeV Linac, and the measurements were made along the 200-m above-ground drift tube. The neutron flux was monitored by a 61-cm-long hydrogen gas proportional counter giving a direct ratio of the /sup 6/Li(n,..cap alpha..) cross section to the H(n,p) cross section. The /sup 6/Li(n,..cap alpha..) events were detected in a 0.5-mm-thick piece of /sup 6/Li glass (NE-912). The results were normalized to ENDF/B-V in the region from 10 to 400 keV. Overall uncertainties in the measurement are approx. 2% in the range from 10 to 400 keV. Error analysis and comparisons with previous measurements are given. 9 references.

Research Organization:
National Bureau of Standards, Washington, DC
OSTI ID:
6328995
Journal Information:
Nucl. Sci. Eng.; (United States), Journal Name: Nucl. Sci. Eng.; (United States) Vol. 68:2; ISSN NSENA
Country of Publication:
United States
Language:
English