Neutron flux measurements around PLT
Using Indium activation foils, the toroidal and poloidal neutron emission patterns were determined for PLT plasmas which include ICRF and neutral beam heating. The activities produced the /sup 115/In (n,n') /sup 115m/In reaction were determined by counting the 336 keV ..gamma.. line of the /sup 115m/In decay. This activation cross section falls just below 2.5 MeV so that the influence of scattered neutrons of degraded energies is reduced. From the magnitude of the activity, the absolute calibration of the PLT fusion neutron emission is obtained with less than or equal to 40% accuracy.
- Research Organization:
- Princeton Plasma Physics Lab. (PPPL), Princeton, NJ (United States)
- DOE Contract Number:
- AM02-76CH03073
- OSTI ID:
- 5092223
- Report Number(s):
- PPPL-1696; TRN: 80-017599
- Country of Publication:
- United States
- Language:
- English
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Measurements of DT and DD neutron yields by neutron activation on TFTR
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OSTI ID:5092223
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Related Subjects
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
PLT DEVICES
NEUTRON DETECTION
ACTIVATION DETECTORS
INDIUM 115
NEUTRON EMISSION
NEUTRON FLUX
NEUTRON REACTIONS
BARYON REACTIONS
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
DETECTION
EMISSION
HADRON REACTIONS
HOURS LIVING RADIOISOTOPES
INDIUM ISOTOPES
INTERMEDIATE MASS NUCLEI
INTERNAL CONVERSION RADIOISOTOPES
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
MEASURING INSTRUMENTS
NEUTRON DETECTORS
NUCLEAR REACTIONS
NUCLEI
NUCLEON REACTIONS
ODD-EVEN NUCLEI
RADIATION DETECTION
RADIATION DETECTORS
RADIATION FLUX
RADIOISOTOPES
THERMONUCLEAR REACTORS
TOKAMAK TYPE REACTORS
YEARS LIVING RADIOISOTOPES
700102* - Fusion Energy- Plasma Research- Diagnostics
PLT DEVICES
NEUTRON DETECTION
ACTIVATION DETECTORS
INDIUM 115
NEUTRON EMISSION
NEUTRON FLUX
NEUTRON REACTIONS
BARYON REACTIONS
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
DETECTION
EMISSION
HADRON REACTIONS
HOURS LIVING RADIOISOTOPES
INDIUM ISOTOPES
INTERMEDIATE MASS NUCLEI
INTERNAL CONVERSION RADIOISOTOPES
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
MEASURING INSTRUMENTS
NEUTRON DETECTORS
NUCLEAR REACTIONS
NUCLEI
NUCLEON REACTIONS
ODD-EVEN NUCLEI
RADIATION DETECTION
RADIATION DETECTORS
RADIATION FLUX
RADIOISOTOPES
THERMONUCLEAR REACTORS
TOKAMAK TYPE REACTORS
YEARS LIVING RADIOISOTOPES
700102* - Fusion Energy- Plasma Research- Diagnostics