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RESEARCH PRODUCT
The role of target geometry in 14 MeV neutron capture cross-section measurements
J. KanteleM. Valkonensubject
PhysicsNuclear physicschemistryAluminiumNeutron cross sectionHead (vessel)chemistry.chemical_elementNeutronGeometryGeneral MedicineNeutron temperaturedescription
Abstract Some activation capture cross sections of 14.5 MeV neutrons have been measured by systematically varying the target geometry. In all cases, the results are found to strongly depend on the geometrical conditions, which implies that a large part of the activation capture cross sections reported earlier are in error. An investigation of a number of materials shows that aluminium gives rise to a fairly small fraction of secondary low-energy neutrons and is, therefore, suitable material for target holders. A thin air-cooled target head specially designed for reliable activation cross-section measurements has been constructed and tested.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 1972-09-01 | Nuclear Instruments and Methods |