| ^92Mo（n,p）^92Nb^m反应截面的测量和低能中子的扣除 |
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| 引用本文： | 赵文荣 施兆民. ^92Mo（n,p）^92Nb^m反应截面的测量和低能中子的扣除[J]. 原子能科学技术, 1999, 33(5): 415-418 |
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| 作者姓名： | 赵文荣 施兆民 |
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| 作者单位： | [1]中国原子能科学研究院核物理研究所 [2]北京大学 |
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| 摘 要： | 用活化法相对标准反应测量了＾９２Ｍｏ（ｎ，ｐ）＾９１２Ｎｂ＾ｍ反应截面，其能区为５－１９ＭｅＶ。测量中分析了低能中子的影响，采用恰当的方法有效地扣除他们的干扰。特别是在１７－１９ＭｅＶ能区，用空靶扣除了Ｄ－ｄ低能中子的影响，得到了合理的截面走向。
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| 关 键 词： | 活化法 截面测量 中子干扰扣除 钼92 铌92 |
CROSS SECTION MEASUREMENTS OF ~(92)Mo(n,p)~(92)Nb~m REACTION AND INFLUENCE DEDUCTION OF LOW ENERGY NEUTRONS |
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| Zhao Wenrong, Lu Hanlin, Yu Weixiang,Han Xiaogang, Huang Xiaolong, Rong Chaofan. CROSS SECTION MEASUREMENTS OF ~(92)Mo(n,p)~(92)Nb~m REACTION AND INFLUENCE DEDUCTION OF LOW ENERGY NEUTRONS[J]. Atomic Energy Science and Technology, 1999, 33(5): 415-418 |
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| Authors: | Zhao Wenrong Lu Hanlin Yu Weixiang Han Xiaogang Huang Xiaolong Rong Chaofan |
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| Abstract: | The cross sections of 92Mo(n,p)92Nbm, reaction are measured relatively to standard reactions using activation method, In neutron energy range from 5.to 19 MeV. The influence of low energy neutrons is considered very carefully in the whole measurement, and effective methods are used to deduct their interference. Especially in 17-19 MeV range, the empty tritium target is irradiated to subtract the influence of D-d neutrons from self-building D target, and a reasonable cross section tendency is obtained. A comparison is made between the present results and the published data. |
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| Keywords: | Activation method Cross section measurement Deducted low energy neutrons |
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