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Measurements of the /sup 6/Li and /sup 10/B partial cross sections from 1 to 1500 keV

Conference · · Natl. Bur. Stand. (U.S.), Spec. Publ.; (United States)
OSTI ID:7365012
The /sup 10/B(n,..cap alpha../sub 0/ + ..cap alpha../sub 1/)/sup 7/Li, /sup 10/B(n,..cap alpha../sub 1/)/sup 7/Li* and /sup 6/Li(n,..cap alpha..)T cross sections have been measured between 1- and 1500-keV neutron energy. The neutron spectrum was measured using proton scattering as observed in a methane-filled proportional counter. Gamma rays from the /sup 10/B(n,..cap alpha../sub 1/)/sup 7/Li* reaction were observed with a high-resolution Ge(Li) spectrometer, and the reaction products from the /sup 10/B(n,..cap alpha../sub 0/ + ..cap alpha../sub 1/)/sup 7/Li and /sup 6/Li(n,..cap alpha..)T reactions were observed in a large ion chamber. In an auxiliary measurement, the ratio of the /sup 10/B(n,..cap alpha../sub 0/ + ..cap alpha../sub 1/)/sup 7/Li cross section to the hydrogen scattering cross section was obtained between 200 and 1000 keV by observation of interactions in a specially constructed /sup 10/BF/sub 3/ proportional counter containing a methane additive. 6 figures. (auth)
Research Organization:
IRT Corp., San Diego, CA
OSTI ID:
7365012
Conference Information:
Journal Name: Natl. Bur. Stand. (U.S.), Spec. Publ.; (United States) Journal Volume: 1
Country of Publication:
United States
Language:
English