Space radiation research with heavy ions at HIMAC

Area of Science:

• Space science and radiation biology.
• Accelerator physics and applications.

Background:

• Space exploration poses risks from energetic protons and heavy ions, impacting crew health and electronics.
• Ground-based heavy ion accelerators are vital for simulating space radiation environments.

Purpose of the Study:

• To highlight the role of the Heavy Ion Medical Accelerator in Chiba (HIMAC) in space radiation research.
• To detail HIMAC's capabilities in simulating space radiation for various applications.

Main Methods:

• HIMAC provides a spectrum of heavy ion beams (protons to Xe ions) up to 800 MeV/u.
• Utilizes mono-energetic beams for detector calibration, shielding material evaluation, and electronic device radiation hardness testing.
• Conducts radiobiological studies to assess long-term effects on humans.

Main Results:

• HIMAC offers a comprehensive platform for space radiation research.
• Characterization and calibration of radiation detectors and instruments are performed.
• Evaluation of shielding materials and testing of electronic device radiation hardness are conducted.

Conclusions:

• HIMAC is an essential tool for space radiation research and simulation.
• It supports ensuring crew safety and the reliability of electronic devices in space.
• HIMAC is indispensable for the upcoming decade of space exploration.