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Neutron localization measurements from a two-gun plasma focus device

Published online by Cambridge University Press:  09 March 2009

T. R. Yeh ,
M. Wen ,
C. C. Tzeng ,
D. J. Shang ,
C. K. Yeh ,
K. S. Wu ,
Y. Y. Kuo  and
W. S. Hou
T. R. Yeh
Affiliation:
Institute of Nuclear Energy Research, P.O. Box 3–4, Lung-Tan, Taiwan, Republic of China
M. Wen
Affiliation:
Institute of Nuclear Energy Research, P.O. Box 3–4, Lung-Tan, Taiwan, Republic of China
C. C. Tzeng
Affiliation:
Institute of Nuclear Energy Research, P.O. Box 3–4, Lung-Tan, Taiwan, Republic of China
D. J. Shang
Affiliation:
Institute of Nuclear Energy Research, P.O. Box 3–4, Lung-Tan, Taiwan, Republic of China
C. K. Yeh
Affiliation:
Institute of Nuclear Energy Research, P.O. Box 3–4, Lung-Tan, Taiwan, Republic of China
K. S. Wu
Affiliation:
Institute of Nuclear Energy Research, P.O. Box 3–4, Lung-Tan, Taiwan, Republic of China
Y. Y. Kuo
Affiliation:
Institute of Nuclear Energy Research, P.O. Box 3–4, Lung-Tan, Taiwan, Republic of China
W. S. Hou
Affiliation:
Institute of Nuclear Energy Research, P.O. Box 3–4, Lung-Tan, Taiwan, Republic of China
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Abstract

The simultaneous formation of the two deuterium plasma foci has been reported recently by Hou et al. in a Mather type two-gun plasma focus assembly with maximum bank energy of ∼700 kJ. In addition, these plasmas will evolve and then produce a disk-shaped plasma in the middle of the two plasma foci. Soft X-ray filter techniques which allow measurements of the electron temperature at both pinch points and the middle point yielded a few hundred eV for these three regions. Neutron localization measurements which were carried out with a collimator and a scintillator-fiber-photomultiplier assembly indicate that an enhancement of ∼80% in neutron yield is observed in the middle region as the separation between two electrodes is 9.1cm. Further experimental evidence shows that the neutron production in the middle region is the result of the beam-beam interaction in nature.

Type
Research Article
Information
Laser and Particle Beams , Volume 7 , Issue 4 , November 1989 , pp. 773 - 779
Copyright
Copyright © Cambridge University Press 1989

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References

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