Proton arc therapy offers a superior dose distribution compared with existing state-of-the-art proton delivery techniques ...

For a spine plus femur DEXA scan, the effective dose varies from less than 1 μSv to about 15 μSv. In pencil beam systems the dose is generally less than 1 μSv, while values between 1 to 10 μSv have ...

In practical terms, the operators’ desk should be positioned at least 1m away from a pencil beam, and at least 2m from a fan-beam system. Some older models, that are not now common, require a distance ...