The Element Selectivity and Laser Technique of the Laser Ion SourceUsed for On-line Isotope Separator

Zhao Zhizheng; Yang Yongfeng; Zheng Zhaomiao; Zu Kailing; Wang Xudong; Cai Xichen; Shang Rencheng; Xu Sida

Chinese Physics C> 1998, Vol. 22> Issue(9) : 844-852

The Element Selectivity and Laser Technique of the Laser Ion SourceUsed for On-line Isotope Separator

Institute of Modern Physics The Chinese Academy of Sciences Lanzhou7300001 Department of Physics, Tsinghua University Berijing1000842 Department of Physics, McGill. University Canada

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Abstract：
The necessity and possibility of improving the isotope separator on-line are analyzed. The principals of laser stepwise resonance ionization and laser ion source at ISOL are introduced. The element selectivity of the hot capillary type laser ion source and its influence factors are analyzed in detail. The lasers and laser technique used in the laser ion source are alse described. The laser ion source of the capillary type was tested by the experiments. Its result proved that the laser ion source has an opportunity clement selectivity from 50 to 10000.

References

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Zhao Zhizheng, Hu Zhiqiang, Yang Weifan et al. High Energy Phys. and Nucl. Phys.(in Chinese), 1997,21 (5):402-410(赵之正，胡志强，杨维凡等。高能物理与核物理, 1997, 21 (5): 402-410)[2] Burkard K, Coiiatz R, Hellstrom M et al. Nucl. Instr. and Meth., 1997, B126: 12-16[3] Mishin V I, Fedoseyev V N, Kluge H-J et al. Nucl.. Instr. and Meth., 1993, B73: 550-560[4] Kudryavtsev Yu et al. Nucl. Instr. and Meth., 1996, B114:350-365[5] Xu Sida, Shang Rencheng et al. High Energy Phys. and Nucl. Phys.(in Chinese), 1995, 19(12):1068-1071(徐四大，尚仁成等。高能物理与核物理。1995.19（12）,1068-1071)[6] Lee J K P et al. Nucl. Instr. and Meth, 1987, B26: 444-447[7] Fedoseyev V N, Jading Y, Jonsson 0 C et al. Z. Phys., 1995, A353:9-11[8] Bemas M et al. Nucl. Phys., 1997, A616:352-358[9] Letokhov V S. Laser in Atomic, Molecular and Nuclear Physics, ed by V. S. Letokhov 1984. 1-100[10] Kirchner R Nucl. Instr. and Meth., 1981, 168:275-293[11] Kirchner R Nucl. Instr. and Meth., 1987, B26: 204-212[12] Zhao Zhizheng, Yang Yongfeng et al. Chense Journal of Nuclear Physics, 1997, 19(1):48-52

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Zhao Zhizheng, Yang Yongfeng, Zheng Zhaomiao, Zu Kailing, Wang Xudong, Cai Xichen, Shang Rencheng, Xu Sida and The Element Selectivity and Laser Technique of the Laser Ion SourceUsed for On-line Isotope Separator[J]. Chinese Physics C, 1998, 22(9): 844-852.

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Received: 1900-01-01
Revised: 1900-01-01

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