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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.
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Keywords:
- fusion neutron spectrum /
- magnetic proton recoil /
- pulsed neutron sensitivity /
- particle transport
[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
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[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
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