Speaker
Description
In response to the beam characteristics and measurement requirements of the injector at the next-generation electron-positron collider, the Super Tau-Charm Facility (STCF), a method for measuring bunch length and bunch charge using a cavity is proposed. This report presents the basic principles and system configuration of the cavity-based beam monitoring technique. The design parameters and testing procedure of the prototype cavity are also provided. Based on experimental results, the system's performance is evaluated, demonstrating that the cavity method can achieve high-resolution measurements. Further optimization strategies are also proposed. More advanced cavity monitors with enhanced performance will be put online for experimentation in 2026.
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