MEASUREMENT OF FISSION-FRAGMENT ANGULAR DISTRIBUTIONS AND EXCITATION FUNCTIONS FOR THE 12C+209Bi AND 14N+Pb REACTIONS

LIU Guo-Xing; ZHENG Ji-Wen; CHEN Ke-Liang; WANG Su-Fang; BAI Xing-Ping; YU Xian

Chinese Physics C> 1990, Vol. 14> Issue(9) : 829-834

MEASUREMENT OF FISSION-FRAGMENT ANGULAR DISTRIBUTIONS AND EXCITATION FUNCTIONS FOR THE ¹²C+²⁰⁹Bi AND ¹⁴N+Pb REACTIONS

Institute of Modern Physics,Academia Sinica,Lanzhou

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Abstract：
The angular distributions of fission fragments and the excitation functions have been measured for the ¹²C+²⁰⁹Bi and ¹⁴N+Pb reactions with a gold surface barrier silicon detector and mica nuclear track detectors.The measured fission excitation functions are found to be in good agreement with those calculated by the statistical evaporation model.The angular-momentum dependent fission barrier is also discussed.

References

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L. C. Vaz and M. Alexander, Phys, Rep., 97(1983), 1.[2] P. D. Bond, Phys. Rev. Lett., 52(1984), 414[3] H. H, Rossner et al., Phys, Rev. Lett., 53(1984), 38.[4] F. Plasil, Proc. Inter. Conf. on Nucl. Phys, India (1984). p. 449[5] M. G. Mustafa et al., Phys. Rev., C25(1982), 2524.[6] A. J. Sierk, Phys. Rev., C33(1986), 2039.[7] 刘国兴等，高能物理与核物理，13(1989)，733,[8] R. Vandenbosh and J. R. Huizenga, Nuclear Fission. Academic Press. New. York. 1973. p. 179.[9] H. Haba et al., RCMP annual report 1987. p. 89; 1986. p. 96.[10] V. E. Viola, UCRL-9619. (1961)[11] H. Brut and A. Quiton, Phys. Rev., 120(1961), 2039.[12] 陈克良等，高能物理与核物理，12(1988)，658,

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LIU Guo-Xing, ZHENG Ji-Wen, CHEN Ke-Liang, WANG Su-Fang, BAI Xing-Ping and YU Xian. MEASUREMENT OF FISSION-FRAGMENT ANGULAR DISTRIBUTIONS AND EXCITATION FUNCTIONS FOR THE ¹²C+²⁰⁹Bi AND ¹⁴N+Pb REACTIONS[J]. Chinese Physics C, 1990, 14(9): 829-834.

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

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沈阳化工大学材料科学与工程学院沈阳 110142

MEASUREMENT OF FISSION-FRAGMENT ANGULAR DISTRIBUTIONS AND EXCITATION FUNCTIONS FOR THE ¹²C+²⁰⁹Bi AND ¹⁴N+Pb REACTIONS

Corresponding author: LIU Guo-Xing,

Institute of Modern Physics,Academia Sinica,Lanzhou

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1990-09-05

Abstract: The angular distributions of fission fragments and the excitation functions have been measured for the ¹²C+²⁰⁹Bi and ¹⁴N+Pb reactions with a gold surface barrier silicon detector and mica nuclear track detectors.The measured fission excitation functions are found to be in good agreement with those calculated by the statistical evaporation model.The angular-momentum dependent fission barrier is also discussed.