Speaker
Description
In the J-PARC muon g-2/EDM experiment, precise control of the muon beam is essential to achieve the required measurement accuracy. For this purpose, the development of a new high-voltage and high-current pulse power supply(kicker power supply) is indispensable. Because the accuracy of the g-2 measurement strongly depends on the uniformity of the magnetic field, and the muon beam must remain confined within a region of 10 cm in height and a radius of 33.3 cm, any residual magnetic field leads to a degradation of the precision. While the design of the static magnetic field is being developed to meet the experimental requirements, the residual dynamic magnetic field remains a challenge. In this study, aiming to develop a power supply that satisfies the required precision, we evaluated the impact of the residual magnetic field caused by the kicker power supply on the measurement accuracy. This presentation will report the results of the evaluation and our efforts to reduce the residual magnetic field.
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