Speaker
Description
The Japan Atomic Energy Agency (JAEA) is designing a 30-MW linear proton accelerator (linac) for the Accelerator-Driven Systems (ADS) to address the nuclear waste storage challenges. For Accelerator-Driven Systems (ADS) technology to be viable, it is necessary to minimize both the number of beam trips and their duration, thereby exceeding the performance of current linacs. JAEA is focused on implementing fast cavity compensation to minimize beam downtime caused by cavity failures. This approach makes rapid cavity retuning that enables a fast beam restoration with an acceptable quality. Beam dynamics studies for the JAEA-ADS linac have shown that it is possible to achieve a proper beam operation even when multiple cavity failures occur. As the JAEA-ADS linac consists of 293 superconducting cavities, it requires a rapid, automated, and systematic approach to determine the optimal readjustment settings for all cavities. To achieve this, we are utilizing the LightWin tool. This software has been developed for ADS linacs and was successfully applied to ADS MINERVA/MYRRHA linac. It has undergone testing and enhancements to improve SPIRAL2 operation. This study analyzes cavity compensation in the JAEA-ADS superconducting linac using the LightWin tool and compares the results with previous research.
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