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COMPARISON OF DISCRETE ORDINATES CALCULATIONS WITH MEASURED NEUTRON SPECTRA IN STANDARD SHIELD GEOMETRIES,
GULF GENERAL ATOMIC INC SAN DIEGO CALIF
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The anisotropic discrete ordinates code GAPLSN, its down-scattering-only version GGSN, and the newer 1DF version of the DTF-IV code were used to analyze most of the spatially-dependent neutron spectrum experiments at the General Atomic Linear Accelerator. The neutron spectrum was measured by the pulsed-source, time-of-flight method with an accuracy of about plus or minus 10 and an energy resolution of 2 or better below 1 MeV, rising to 8 at 15 MeV. Author
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