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CSNS H − ion source test stand

Xiaobing Wu, Huafu Ouyang, Yunlong Chi, Wei He, Tao Huang, Gang Li, YingMan Liu, Yan-Hua Lu, Taoguang Xu, Jun-Song Zhang, Zhang Hua-Shun, Fu-Xiang Zhao

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Abstract

The Penning surface plasma source is adopted as the China Spallation Neutron Source (CSNS) H − ion source. The designed energy and beam current of the source are 50 keV and 20 mA, respectively, with a normalized root mean square (norm. rms.) emittance of 0.2 πmm·mrad. The construction of a H − ion source test stand has been completed, and the commissioning of the source is in progress. Stable H − ion beams with energy of 50 keV and current up to 50 mA are attained. Emittance measurement for the H − beam is being prepared.

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What this paper is about

The Penning surface plasma source is adopted as the China Spallation Neutron Source (CSNS) H − ion source. The designed energy and beam current of the source are 50 keV and 20 mA, respectively, with a normalized root mean square (norm. rms.) emittance of 0.2 πmm·mrad. The construction of a H − ion source test stand has been completed, and the commissioning of the source is in progress. Stable H − ion beams with energy of 50 keV and current up to 50 mA are attained. Emittance measurement for the H − beam is being prepared.

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Available abstract

The Penning surface plasma source is adopted as the China Spallation Neutron Source (CSNS) H − ion source. The designed energy and beam current of the source are 50 keV and 20 mA, respectively, with a normalized root mean square (norm. rms.) emittance of 0.2 πmm·mrad. The construction of a H − ion source test stand has been completed, and the commissioning of the source is in progress. Stable H − ion beams with energy of 50 keV and current up to 50 mA are attained. Emittance measurement for the H − beam is being prepared.

Key concepts: Spallation Neutron Source, Physics, Ion source, Thermal emittance, Beam emittance, Atomic physics, Ion, Beam (structure)

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