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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2020.1
- 수록면
- 1,277 - 1,281 (5page)
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초록· 키워드
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A novel ceramic Gas Electron Multiplier (GEM) has been developed to meet the demand of high counting rate for the neutron detection which is an alternative to 3He-based detector at China Spallation Neutron Source (CSNS). An experiment was performed to measure the neutron transmittance of ceramic-GEM and FR4-GEM at the small angle neutron scattering (SANS) instrument. The result showed the ceramic-GEM has higher transmittance and less self-scattering especially for cold neutrons. One single ceramic GEM could give a gain of 102-104 in the mixture gas of Ar and CO2 (90%:10%) and its energy resolution was about 27.7% by using 55Fe X ray of 5.9 keV. A prototype has been developed in order to investigate the performances of the ceramic GEM-based neutron detector. Several neutron beam tests, including detection efficiency, spatial resolution, two-dimensional imaging, and wavelength spectrum, were carried out at CSNS and China Mianyang Research Reactor (CMRR). The results show that the ceramic GEM-based neutron detector is a good candidate to measure the high intensity neutrons
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참고문헌 (21)
참고문헌 신청
J. R. Alonso / 1998 / Status Report on the Spallation Neutron Source (SNS) Project :20643~20654
L.C.W. Hobbis / 1977 / A Pulsed Neutron Facility for Condensed Matter Research
M. Åberg / 2012 / ESS Technical Design Report
Y. Oyama / 2006 / J-PARC and new era of science / Nucl. Instrum. Methods Phys. Res. Sect. A Accel. Spectrom. Detect. Assoc. Equip 562:548~552
W. Fangwei / 2013 / Physical design of target station and neutron instruments for China Spallation Neutron Source / Sci. China Phys. Mech. Astron 56:2410~2424
L.C.W. Hobbis / 1977 / A Pulsed Neutron Facility for Condensed Matter Research
M. Åberg / 2012 / ESS Technical Design Report
Y. Oyama / 2006 / J-PARC and new era of science / Nucl. Instrum. Methods Phys. Res. Sect. A Accel. Spectrom. Detect. Assoc. Equip 562:548~552
W. Fangwei / 2013 / Physical design of target station and neutron instruments for China Spallation Neutron Source / Sci. China Phys. Mech. Astron 56:2410~2424
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