Helium production measurements for neutron dosimetry and damage correlations
Conference
·
OSTI ID:6670086
Helium accumulation fluence monitors (HAFM's), consisting of miniature vanadium capsules containing small, accurately-known amounts of /sup 10/B or /sup 6/Li, are being used routinely for neutron dosimetry measurements in breeder reactor environments. Additionally, solid wires of Al, Fe and Cu have been irradiated by 14.8-MeV neutrons from the d-T reaction, and measurements of the helium production along these wires have given detailed neutron fluence profiles. Additional materials with relatively high (n,..cap alpha..) cross sections are being tested in a wide variety of neutron environments to select HAFM sets that will provide spectral information by unfolding techniques. The mass spectrometric helium measurement technique has been demonstrated to produce results with better than 2% (1 sigma) absolute accuracy. Intercomparisons with other laboratories have demonstrated good correlations with radiometric and fission chamber dosimetry results.
- Research Organization:
- Atomics International Div., Canoga Park, CA (USA); Hanford Engineering Development Lab., Richland, WA (USA)
- DOE Contract Number:
- EY-76-C-14-2170
- OSTI ID:
- 6670086
- Report Number(s):
- HEDL-SA-1309; CONF-771036-16
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
22 GENERAL STUDIES OF NUCLEAR REACTORS
220300* -- Nuclear Reactor Technology-- Fuel Elements
36 MATERIALS SCIENCE
360106 -- Metals & Alloys-- Radiation Effects
ALKALI METAL ISOTOPES
BORON 10
BORON ISOTOPES
BREEDER REACTORS
BUILDUP
CONTAINERS
CRYOGENIC FLUIDS
DOSIMETRY
ELEMENTS
EVEN-EVEN NUCLEI
FLUIDS
FUEL CANS
HELIUM
ISOTOPES
LIGHT NUCLEI
LITHIUM 6
LITHIUM ISOTOPES
MEASURING INSTRUMENTS
MEASURING METHODS
METALS
MONITORING
NEUTRON DOSIMETRY
NEUTRON FLUENCE
NITROGEN 14
NITROGEN ISOTOPES
NONMETALS
NUCLEI
ODD-ODD NUCLEI
PHYSICAL RADIATION EFFECTS
PRESSURE VESSELS
RADIATION EFFECTS
RARE GASES
REACTOR MATERIALS
REACTORS
STABLE ISOTOPES
SULFUR 32
SULFUR ISOTOPES
TARGETS
THERMONUCLEAR REACTORS
TRANSITION ELEMENTS
VANADIUM
WATER COOLED REACTORS
220300* -- Nuclear Reactor Technology-- Fuel Elements
36 MATERIALS SCIENCE
360106 -- Metals & Alloys-- Radiation Effects
ALKALI METAL ISOTOPES
BORON 10
BORON ISOTOPES
BREEDER REACTORS
BUILDUP
CONTAINERS
CRYOGENIC FLUIDS
DOSIMETRY
ELEMENTS
EVEN-EVEN NUCLEI
FLUIDS
FUEL CANS
HELIUM
ISOTOPES
LIGHT NUCLEI
LITHIUM 6
LITHIUM ISOTOPES
MEASURING INSTRUMENTS
MEASURING METHODS
METALS
MONITORING
NEUTRON DOSIMETRY
NEUTRON FLUENCE
NITROGEN 14
NITROGEN ISOTOPES
NONMETALS
NUCLEI
ODD-ODD NUCLEI
PHYSICAL RADIATION EFFECTS
PRESSURE VESSELS
RADIATION EFFECTS
RARE GASES
REACTOR MATERIALS
REACTORS
STABLE ISOTOPES
SULFUR 32
SULFUR ISOTOPES
TARGETS
THERMONUCLEAR REACTORS
TRANSITION ELEMENTS
VANADIUM
WATER COOLED REACTORS