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Development of a ~3He Gas Filling Station at the China Spallation Neutron Source
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作者 Zecong Qin Chuyi Huang +8 位作者 ZNBuck WKreuzpaintner SMAmir ASalman Fan Ye Junpei Zhang Chenyang Jiang Tianhao Wang Xin Tong 《Chinese Physics Letters》 SCIE CAS CSCD 2021年第5期16-20,共5页
At the China Spallation Neutron Source(CSNS), we have developed a custom gas-filling station, a glassblowing workshop, and a spin-exchange optical pumping(SEOP) system for producing high-quality ^(3)He-based neutron s... At the China Spallation Neutron Source(CSNS), we have developed a custom gas-filling station, a glassblowing workshop, and a spin-exchange optical pumping(SEOP) system for producing high-quality ^(3)He-based neutron spin filter(NSF) cells. The gas-filling station is capable of routinely filling ^(3)He cells made from GE180 glass of various dimensions, to be used as neutron polarizers and analyzers on beamlines at the CSNS. Performance tests on cells fabricated at our gas-filling station are conducted via neutron transmission and nuclear-magneticresonance measurements, revealing nominal filling pressures, and a saturated ~3He polarization in the region of 80%, with a lifetime of approximately 240 hours. These results demonstrate our ability to produce competitive NSF cells to meet the ever-increasing research needs of the polarized neutron research community. 展开更多
关键词 NSF Development of a gas filling station at the China Spallation Neutron Source
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