Combined-function optics for circular high-energy hadron colliders

The design of future circular high-energy hadron colliders is based on the achievement of challenging magnetic fields, needed to keep the hadron beams orbiting along the ring circumference. The strength of the dipolar magnetic field is a function of the machine radius, beam energy, and of the fraction of the ring circumference that can be filled with dipoles. In this paper, we propose to use a combined-function periodic cell to maximise the filling factor of the dipole magnets. The optical properties of the proposed periodic structure are discussed in detail together with the design of the superconducting magnets needed to implement the proposed approach.

Automated summary

This paper discusses an important issue in the design of future circular high-energy hadron colliders, which is how to maximize the filling factor of the dipole magnets. By proposing the use of a combined-function periodic cell and discussing the optical properties of the proposed structure, as well as the design of the required superconducting magnets, a solution is presented.