An FFAG Accelerator for Project X

TL;DR

This paper proposes using a 3GeV continuous wave linac combined with an FFAG ring to create a versatile, high-intensity proton source for future high-energy physics experiments, including neutrino production and muon colliders.

Contribution

It introduces a novel combined linac and FFAG ring approach for high-power proton acceleration tailored to multiple future physics applications.

Findings

Feasibility of 3GeV cw linac with FFAG ring for multi-purpose proton acceleration

Potential to achieve 2 MW and 4 MW proton beam powers for neutrino and collider experiments

Outlines future design and research directions for this accelerator concept

Abstract

The next generation of high-energy physics experiments requires high intensity protons in the multi-GeV energy range for efficient production of secondary beams. The Fermilab long-term future requires an 8 GeV proton source to feed the Main Injector for a 2 MW neutrino beam source in the immediate future and to provide 4 MW pulsed proton beam for a future neutrino factory or muon collider. We note that a 3GeV cw linac matched to a 3---8GeV FFAG ring could provide beam for both of these mission needs, as well as the cw 3GeV experiments, and would be a natural and affordable scenario. We present details of possible scenarios and outline future design and research directions.