Space Charge 2026, 7th ICFA BD Mini-workshop

A Prototype FFA Magnet for High-Power Pulsed Proton Drivers

30 Sept 2026, 16:44

3m

Denys Wilkinson Building, Dennis Sciama Lecture Theatre (Oxford University, Physics Department)

Poster Contributions (and Flash Talks) P

Speaker

Jean-Baptiste Lagrange (Science and Technology Facilities Council)

Description

Fixed Field Alternating Gradient (FFA) accelerators show strong
potential as high-power pulsed proton drivers, yet no high-intensity FFA
has been constructed to date. A key requirement for such machines is
operational flexibility across a wide range of machine optics, as these
must be adjusted to the beam intensity, leading to the design and
construction of a dedicated FFA prototype magnet. Delivered to the
Rutherford Appleton Laboratory (RAL) in the UK in 2025, this magnet is
now undergoing in-house field characterisation. In this presentation, we
will explore the magnet's design, manufacturing process, and initial
measurement results.