SEDL / STP / STP1001-EB / STP10083S

Development of the Be(d,n) Neutron Source for Cross-Section Investigations in the Few-MeV Energy Range

Smith, DL
Argonne National Laboratory, Argonne, IL

Meadows, JW
Argonne National Laboratory, Argonne, IL

Guenther, PT
Argonne National Laboratory, Argonne, IL

Greenwood, LR
Argonne National Laboratory, Argonne, IL

Pages: 8    Published: Jan 1989

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Abstract

Bombardment of thick Be-metal targets with several-MeV deuterons produces continuum-neutron fields which offer considerable potential for the development and validation of neutron-reaction cross sections. A facility based on this concept has been installed at the Argonne National Laboratory Fast Neutron Generator accelerator. A description is provided of this facility and of the research studies which have been initiated to exploit its capabilities. Some technical considerations in the utilization of accelerator-produced continuum-neutron fields for reaction cross-section investigations are discussed. Results from several recent neutron-spectrum and integral cross-section measurements are also presented.