7–11 Sept 2025
Teaching Hub 502
Europe/London timezone

Development of a Rectangular Diagonal Cut-Plane BPM for the CSNS-II Injection Upgrade

WEPCO12
10 Sept 2025, 16:00
2h
Courtyard, Liverpool Guild of Students

Courtyard, Liverpool Guild of Students

Liverpool Guild of Students, University of Liverpool
Poster Presentation MC03: Beam Position Monitors WEPCO

Speaker

Biao Zhang (Institute of High Energy Physics)

Description

As part of the CSNS-II upgrade, an improved injection scheme will be implemented to mitigate the space charge effect. To precisely measure the transverse beam position during injection, painting, and storage in the Rapid Cycling Synchrotron (RCS), a large-aperture (260 mm × 180 mm) Beam Position Monitor (BPM) is essential. The rectangular cut-plane BPM was selected for its excellent linearity over a large area and high signal-to-noise ratio (SNR). Due to limited space in the injection section, the BPMs must be integrated into the AC steering magnet. To prevent thermal heating from eddy current flow, a rib structure has been incorporated into the BPM's outer body. The BPM was designed using numerical simulation codes and subsequently manufactured. This paper details the simulation, design, and calibration results of the diagonal cut-plane BPM.

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Author

Muhammad Abdul Rehman (China Spallation Neutron Source, Institute of High Energy Physics)

Co-authors

Renjun Yang (China Spallation Neutron Source, Institute of High Energy Physics) xiaojun Nie (Institute of High Energy Physics, China Spallation Neutron Source) Zhihong Xu (Institute of High Energy Physics, China Spallation Neutron Source) Renhong Liu (Institute of High Energy Physics, China Spallation Neutron Source) rui Yang (Spallation Neutron Source Science Center) Mengyu Liu (Chinese Academy of Sciences) Biao Zhang (Institute of High Energy Physics) Fang Li (Institute of High Energy Physics)

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