Intense neutron source
A ScD/sub 2/ target film 5x10/sup -5/ m thick, tested in a UHV compatible 200 keV deuterium accelerator baked to 470/sup 0/C, maintained a D-D neutron output rate of 1.0-1.2x10/sup 11//s for 80 out of 140 hours of operation. This result demonstrates that a D-T neutron generator capable of a neutron output rate of 1x10/sup 13//s and having a target lifetime suitable for cancer therapy is possible. Contrary to sputter rate data, ErD/sub 2/ target films appear to erode about twice as fast as ScD/sub 2/ films, making ErD/sub 2/ unsuitable as a target material. A low pressure ion source has been developed to replace the high pressure duopigatron. Experiments have verified that the single ring magnetic cusp ion source can deliver 200 mA of deuterium ions (approx. =60% D/sup +/) at 10-15 A of arc current with a background deuterium pressure of 0.27-0.40 Pa. This source will improve the safety of a D-T machine by reducing the tritium inventory by a factor of 6, and by utilizing the Zr-Al getter as the gas reservoir.
- Research Organization:
- Sandia Natl. Lab., Albuquerque, NM 87185
- OSTI ID:
- 5901527
- Journal Information:
- IEEE Trans. Nucl. Sci.; (United States), Vol. 30:2
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
NEUTRON SOURCES
TARGETS
ACCELERATORS
ALUMINIUM
DEUTERIUM
DEUTERON BEAMS
ERBIUM
GASES
KEV RANGE 100-1000
NEOPLASMS
NEUTRON THERAPY
OPERATION
RADIOISOTOPE GENERATORS
SAFETY
SCANDIUM
SPUTTERING
TRITIUM
ZIRCONIUM
BEAMS
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
DISEASES
ELEMENTS
ENERGY RANGE
FLUIDS
HYDROGEN ISOTOPES
ION BEAMS
ISOTOPES
KEV RANGE
LIGHT NUCLEI
MEDICINE
METALS
NUCLEAR MEDICINE
NUCLEI
ODD-EVEN NUCLEI
ODD-ODD NUCLEI
PARTICLE SOURCES
RADIATION SOURCES
RADIOISOTOPES
RADIOLOGY
RADIOTHERAPY
RARE EARTHS
STABLE ISOTOPES
THERAPY
TRANSITION ELEMENTS
YEARS LIVING RADIOISOTOPES
430100* - Particle Accelerators- Design
Development
& Operation