Prospects for Searching Axion-like Particle Dark Matter with Dipole, Toroidal and Wiggler Magnets

TL;DR

This paper explores the potential of using existing magnet technologies like dipole, wiggler, and toroidal magnets to enhance the search for axion-like particle dark matter through resonant RF cavities, potentially expanding detectable mass ranges.

Contribution

It introduces a novel approach of utilizing existing magnet systems for ALP dark matter detection, highlighting engineering considerations and sensitivity estimates.

Findings

Existing magnets can significantly improve ALP detection sensitivity.

New experiments could extend the search to larger ALP mass ranges.

Technological advancements in magnets facilitate stronger field applications.

Abstract

In this work we consider searches for dark matter made of axions or axion-like particles (ALPs) using resonant radio frequency cavities inserted into dipole magnets from particle accelerators, wiggler magnets developed for accelerator based advanced light sources, and toroidal magnets similar to those used in particle physics detectors. We investigate the expected sensitivity of such ALP dark matter detectors and discuss the engineering aspects of building and tuning them. Brief mention is also made of even stronger field magnets that are becoming available due to improvements in magnetic technology. It is concluded that new experiments utilizing already existing magnets could greatly enlarge the mass region in searches for axion-like dark matter particles.