Inching toward the QCD Axions with Axion Magnetic Resonance in Helioscopes
Hyeonseok Seong, Chen Sun, Seokhoon Yun
TL;DR
This paper extends the axion-magnetic resonance mechanism from laser experiments to helioscopes, significantly improving the sensitivity of axion searches and advancing the potential detection of QCD axions.
Contribution
It introduces the application of axion-magnetic resonance to helioscopes, enhancing their sensitivity to QCD axions and providing projections for future experiments.
Findings
Enhanced sensitivity in axion helioscopes using AMR
Projected improved detection reach for IAXO
Potential to explore broader QCD axion parameter space
Abstract
Utilizing a helical magnet profile to enhance axion-photon conversion showed great promise in laboratory searches for high axion masses. We extend the mechanism, known as the axion-magnetic resonance (AMR), from laser experiments to axion helioscopes and demonstrate its potential in covering QCD axion parameter space. Specifically, we apply AMR to the CAST experiment legacy, make projections for the upcoming IAXO experiment, and assess its implications for both axion-like particles and QCD axions. We observe considerable improvement in the experiment's sensitivity reach in all cases.
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