Hall probe calibration in high-precision magnetic field mapping system of superconducting cyclotron

• Autorzy: Xu Manman , Cao Chuqing , Fu Yili , Wu Yonghong , Wang Xiangdong , Su Yongsheng , Liu Yongming , Xi Lin

Identyfikatory

DOI

10.2478/nuka-2024-0026

• Języki publikacji: EN

Abstrakty

EN

Superconducting cyclotron can generate high-energy proton beams and are mainly used for radiation therapy of tumors and cancers. In the superconducting cyclotron SC200, the maximum magnetic induction intensity can typically reach up to 4.6 T, and the magnetic field accuracy is 1e-4. Hall probes are commonly used tools for measuring high-intensity magnetic fields. Objective. Through comprehensive consideration, this study selects the SENIS Low-Noise Teslameter 3MH5 and Hall probe C to measure the magnetic field. When the magnetic field exceeds the range of 2 T, the measurement accuracy of the Hall probe is less than 1e-4, and the Hall probe needs to be calibrated to improve its measurement accuracy. Methods. The Hall probes are calibrated using Swiss METROLAB PT2025 nuclear magnetic resonance (NMR) Tesla instrument and 1062 probe. Based on the calibration principle, a calibration system platform was built, test data were collected, and calibration curves were obtained. At the same time, the calibration data were analyzed through cross-validation experiments using the cubic polynomial fitting method. Results. The results indicate that the test deviation range is from –0.1 g to 0.1 g, and the measurement accuracy can reach 1e-4. Conclusion. In summary, the Hall probe can accurately measure the magnetic field distribution of the superconducting cyclotron. It can provide accurate and important data for the calculation and analysis of particle beam dynamics.

Słowa kluczowe

EN

magnetic field mapping; measurement accuracy; polynomial fitting; probe calibration; superconducting cyclotron

• Wydawca: Institute of Nuclear Chemistry and Technology
• Czasopismo: Nukleonika
• Rocznik: 2024
• Tom: Vol. 69, No. 4
• Strony: 185--193
• Opis fizyczny: Bibliogr. 17 poz., rys.

Twórcy

autor

Xu Manman

• School of Mechanical Engineering Anhui Polytechnic University Wuhu, 241000, China

• https://orcid.org/0000-0002-0147-8589

autor

Cao Chuqing

• Wuhu HIT Robot Technology Research Institute Co., LTD Wuhu, 241000, China

• https://orcid.org/0000-0003-3715-6394

autor

Fu Yili

• Harbin Institute of Technology Harbin, 150001, China

• https://orcid.org/0000-0001-9641-9268

autor

Wu Yonghong

• Anhui Key Laboratory of Mine Intelligent Equipment and Technology Anhui University of Science & Technology Huainan, 232001, China

• https://orcid.org/0000-0002-8202-3980

autor

Wang Xiangdong

• Wuhu Magnetic Wheel Transmission Technology Co., LTD Wuhu, 241000, China

• https://orcid.org/0000-0002-7445-9274

autor

Su Yongsheng

• School of Mechanical Engineering Anhui Polytechnic University Wuhu, 241000, China

• https://orcid.org/0000-0001-8329-7089

autor

Liu Yongming

• School of Mechanical Engineering Anhui Polytechnic University Wuhu, 241000, China

• https://orcid.org/0000-0002-3629-6005

autor

Xi Lin

• School of Mechanical Engineering Anhui Polytechnic University Wuhu, 241000, China

• https://orcid.org/0000-0003-0479-6475

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr POPUL/SP/0154/2024/02 w ramach programu "Społeczna odpowiedzialność nauki II" - moduł: Popularyzacja nauki (2025).