Field Measurements of Prototype Superconducting Magnet for a Compact Heavy-Ion Therapy Synchrotron

Article Thermodynamics

Thermal characteristics of a helium-free superconducting magnet system for a fast-ramping heavy-ion synchrotron

Ye Yang et al.

Summary: This paper studies the feasibility of using a helium-free superconducting magnet system to realize a fast-ramping synchrotron for heavy-ion therapy. The AC losses are estimated using numerical models and can be eliminated by using GM cryocoolers. A dynamic simulation validates the transient temperature rise during continuous operation, with the peak temperature evaluated to be lower than 5 K for practical heavy-ion therapy irradiation scenarios.

CRYOGENICS (2022)

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Article Engineering, Electrical & Electronic

Concept Design of a Superconducting Magnet for a Compact Heavy-Ion Synchrotron

Kota Mizushima et al.

Summary: A compact synchrotron is being developed at the QST for downsizing heavy-ion therapy systems. It utilizes superconducting magnets cooled by GM cryocoolers and aims to accelerate multiple types of heavy-ion beams. The design includes dipoles and quadrupoles, with optimized coil winding patterns and iron yokes to achieve field homogeneity.

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY (2022)

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Article Engineering, Electrical & Electronic

Thermal Design and Test Results of the Superconducting Magnet for a Compact Heavy-Ion Synchrotron

Saki Amano et al.

Summary: The article introduces a project called "Quantum Scalpel" that aims to develop a next-generation small facility for heavy-ion radiotherapy. One of the project's goals is to downsize the synchrotron and utilize superconducting magnet technology. The thermal design and test results confirm the feasibility of the project.

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY (2022)

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Article Engineering, Electrical & Electronic