Development of a Spin-Exchange Optical Pumping-Based Polarized 3He System at the China Spallation Neutron Source(CSNS)

Development of a Spin-Exchange Optical Pumping-Based Polarized 3He System at the China Spallation Neutron Source(CSNS)

Polarized 3 He neutron spin filters(NSFs)can be used as a vital tool for neutron polarization production and analysis.The China Spallation Neutron Source(CSNS),as one of the major neutron facilities in China,has committed resources to the development of a polarized 3He NSF program to support its gro...

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Veröffentlicht in:中国物理快报（英文版） 2021-10, Vol.38 (9), p.44-48
Hauptverfasser: Chuyi Huang, Junpei Zhang, Fan Ye, Zecong Qin, Syed Mohd Amir, Zachary Norris Buck, Ahmed Salman, Wolfgang Kreuzpaintner, Xin Qi, Tianhao Wang, Xin Tong
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container_issue 9
container_start_page 44
container_title 中国物理快报（英文版）
container_volume 38
creator Chuyi Huang
Junpei Zhang
Fan Ye
Zecong Qin
Syed Mohd Amir
Zachary Norris Buck
Ahmed Salman
Wolfgang Kreuzpaintner
Xin Qi
Tianhao Wang
Xin Tong
description Polarized 3 He neutron spin filters(NSFs)can be used as a vital tool for neutron polarization production and analysis.The China Spallation Neutron Source(CSNS),as one of the major neutron facilities in China,has committed resources to the development of a polarized 3He NSF program to support its growing polarized neutron research.A spin-exchange optical pumping(SEOP)-based polarized 3He system and other necessary hardware for NSF transport has been recently developed.The performance of the system is benchmarked using an in-house developed cell named"Trident".Neutron beam measurements yield a 3He polarization of 77％with over 200 h of on-beam relaxation time.Combining this newly developed SEOP system with the recently reported cell fabrication station,CSNS is now capable of the fully self-sustained production of 3He NSFs that shall support its future neutron polarization research.
doi_str_mv 10.1088/0256-307X/38/9/092801
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title Development of a Spin-Exchange Optical Pumping-Based Polarized 3He System at the China Spallation Neutron Source(CSNS)
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