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聚变中子能谱测量系统脉冲中子灵敏度的实验研究

祁建敏 周林 蒋世伦 张建华

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聚变中子能谱测量系统脉冲中子灵敏度的实验研究

祁建敏, 周林, 蒋世伦, 张建华

Experimental studies on pulsed neutron sensitivity of a fusion neutron spectrometer

Qi Jian-Min, Zhou Lin, Jiang Shi-Lun, Zhang Jian-Hua
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  • 为多种复杂环境下的稳态和脉冲DT聚变中子能谱测量建立了一种灵敏度优化反冲质子磁谱仪. 使用成像板和同位素α源测量了谱仪的反冲质子能量-位置投影关系. 利用稳态加速器中子源平台、通过单粒子计数方法结合三维带电粒子输运程序模拟,研究了谱仪脉冲中子灵敏度能量响应. 通过高探测效率参数设置使谱仪对DT中子的探测效率达到2×10-5 cm2水平,从而在较弱中子源上获得了较高统计精度实验数据. 程序模拟结果与谱仪α粒子刻度和DT中子标定实验结果取得了良好的一致性,可由此发展精细解谱技术,以提高脉冲中子能谱测量的灵敏度和能量分辨.
    A sensitivity optimized magnetic proton recoil (MPROS) spectrometer for measuring both steady and pulsed fusion neutron spectra in several complicated environments is developed. The proton energy-position projection relationship of the spectrometer is measured by utilizing an imaging plate. The energy response to neutron sensitivity of the MPROS spectrometer is studied through a single event count method on an accelerated steady DT neutron source and simulations by a three-dimensional charged particle transport code. The detection efficiency of the spectrometer to DT neutrons reaches a level of 2×10-5 cm2 through high efficiency parameter settings, therefore the experimental data of high statistic accuracy are obtained on a comparatively weak neutron source. Results from simulations and experiments, such as α particle calibrations, and DT neutron calibrations, achieve good consistency. Based on this conclusion, precise solution technique of measured spectra can be developed to increase the sensitivity and energy resolution of measurements of pulsed neutron spectroscopy.
    • 基金项目: 国家自然科学基金青年科学基金(批准号:11005095)和中国工程物理研究院科学技术发展基金(批准号:2011B0103017)资助的课题.
    • Funds: Project supported by the Young Scientists Fund of the National Natural Science Foundation of China (Grant No. 11005095) and the Science and Technology Development Foundation of China Academy of Engineering Physics (Grant No. 2011B0103017).
    [1]

    Pereira C R, Combo N, Cruz N, Sousa J, Correia C, Varandas C, Conroy S, Källne J 2006 Fusion Engineering and Design 81 1873

    [2]

    Sasao M, Krasilnikov V A, Nishitani T, Batistoni P, Zaveryaev V, Kaschuck A Yu, Popovichev S, Iguchi T, Jarvis N O, Källne J, Fiore L C, Roquemore L, Heidbrink W W, Donne H J A, Costley E A, Walker C 2004 Plasma Phys. Control. Fusion 46 S108

    [3]

    Hicks G D, Li K C, Petrasso D R, Séguin H F, Burke E B, Knauer P J, Cremer S, Kremens L R, Cable D M, Phillips W T 1997 Rev. Sci. Instrum. 68 589

    [4]

    Houry M, Delagnes E, Riz D, Canaud B, Disdier L, Garaude F, Giomataris Y, Glebov Yu V, Legou P, Rebourgeard P, Sangster C 2006 Nucl. Instru. Meth. A 557 648

    [5]

    Källne J, Ballabio L, Frenje J, Conroy S, Ericsson G, Tardocchi M, Traneus E, Gorini G 2000 Phys. Rev. Lett. 85 1246

    [6]

    Tardocchi M, Ballabio L, Conroy S, Ericsson G, Frenje J, Gorini G, Guadagn C, Källne J, Prandoni P, Traneus E 1999 Rev. Sci. Instrum. 70 1171

    [7]

    Frenje J, Ballabio L, Conroy S, Ericsson G, Gorini G, Källne J, Prandoni P, Tardocchi M, Traneus E 1999 Rev. Sci. Instrum. 70 1176

    [8]

    Glebov Yu V, Meyerhofer D D, Sangster C T, Stoeckl C, Roberts S, Barrera A C, Celeste R J, Cerjan J C, Dauffy S L, Eder C D, Griffith L R, Haan W S, Hammel A B, Hatchett P S, Izumi N, Caldwell E S 2006 Rev. Sci. Instrum. 77 10E715

    [9]

    Qi J M, Jiang S L, Zhou L, Peng T P 2011 Atom. Energy Sci. Technol. 45 880 (in Chinese) [祁建敏, 蒋世伦, 周林, 彭太平 2011 原子能科学技术 45 880]

    [10]

    Qi J M, Zhou L, Jiang S L, Peng T P 2011 Chin. Phys. C 35 374

    [11]

    Zhou L, Jiang S L, Qi J M, Wang L Z 2012 Acta Phys. Sin. 61 072902 (in Chinese) [周林, 蒋世伦, 祁建敏, 王立宗 2012 物理学报 61 072902]

    [12]

    Yang J L, Yang H Q, Tang Z Y 2007 Nucl. Electron. Detect. Technol. 27 911 (in Chinese) [杨建伦, 杨洪琼, 唐正元 2007 核电子学与探测技术 27 911]

    [13]

    Cheng J X, Ouyang X P, Zheng Y, Zhang A H, Ouyang M J 2008 Chin. Phys. B 17 2881

  • [1]

    Pereira C R, Combo N, Cruz N, Sousa J, Correia C, Varandas C, Conroy S, Källne J 2006 Fusion Engineering and Design 81 1873

    [2]

    Sasao M, Krasilnikov V A, Nishitani T, Batistoni P, Zaveryaev V, Kaschuck A Yu, Popovichev S, Iguchi T, Jarvis N O, Källne J, Fiore L C, Roquemore L, Heidbrink W W, Donne H J A, Costley E A, Walker C 2004 Plasma Phys. Control. Fusion 46 S108

    [3]

    Hicks G D, Li K C, Petrasso D R, Séguin H F, Burke E B, Knauer P J, Cremer S, Kremens L R, Cable D M, Phillips W T 1997 Rev. Sci. Instrum. 68 589

    [4]

    Houry M, Delagnes E, Riz D, Canaud B, Disdier L, Garaude F, Giomataris Y, Glebov Yu V, Legou P, Rebourgeard P, Sangster C 2006 Nucl. Instru. Meth. A 557 648

    [5]

    Källne J, Ballabio L, Frenje J, Conroy S, Ericsson G, Tardocchi M, Traneus E, Gorini G 2000 Phys. Rev. Lett. 85 1246

    [6]

    Tardocchi M, Ballabio L, Conroy S, Ericsson G, Frenje J, Gorini G, Guadagn C, Källne J, Prandoni P, Traneus E 1999 Rev. Sci. Instrum. 70 1171

    [7]

    Frenje J, Ballabio L, Conroy S, Ericsson G, Gorini G, Källne J, Prandoni P, Tardocchi M, Traneus E 1999 Rev. Sci. Instrum. 70 1176

    [8]

    Glebov Yu V, Meyerhofer D D, Sangster C T, Stoeckl C, Roberts S, Barrera A C, Celeste R J, Cerjan J C, Dauffy S L, Eder C D, Griffith L R, Haan W S, Hammel A B, Hatchett P S, Izumi N, Caldwell E S 2006 Rev. Sci. Instrum. 77 10E715

    [9]

    Qi J M, Jiang S L, Zhou L, Peng T P 2011 Atom. Energy Sci. Technol. 45 880 (in Chinese) [祁建敏, 蒋世伦, 周林, 彭太平 2011 原子能科学技术 45 880]

    [10]

    Qi J M, Zhou L, Jiang S L, Peng T P 2011 Chin. Phys. C 35 374

    [11]

    Zhou L, Jiang S L, Qi J M, Wang L Z 2012 Acta Phys. Sin. 61 072902 (in Chinese) [周林, 蒋世伦, 祁建敏, 王立宗 2012 物理学报 61 072902]

    [12]

    Yang J L, Yang H Q, Tang Z Y 2007 Nucl. Electron. Detect. Technol. 27 911 (in Chinese) [杨建伦, 杨洪琼, 唐正元 2007 核电子学与探测技术 27 911]

    [13]

    Cheng J X, Ouyang X P, Zheng Y, Zhang A H, Ouyang M J 2008 Chin. Phys. B 17 2881

计量
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  • PDF下载量:  507
  • 被引次数: 0
出版历程
  • 收稿日期:  2013-01-13
  • 修回日期:  2013-09-10
  • 刊出日期:  2013-12-05

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