New constraints on light axion-like particles using Chandra transmission grating spectroscopy of the powerful cluster-hosted quasar H1821+643
(2021)
Journal Article
Sisk-Reynés, J., Matthews, J. H., Reynolds, C. S., Russell, H. R., Smith, R. N., & Marsh, M. C. (2022). New constraints on light axion-like particles using Chandra transmission grating spectroscopy of the powerful cluster-hosted quasar H1821+643. Monthly Notices of the Royal Astronomical Society, 510(1), 1264-1277. https://doi.org/10.1093/mnras/stab3464
Axion-like particles (ALPs) are predicted by several Beyond the Standard Model theories, in particular, string theory. In the presence of an external magnetic field perpendicular to the direction of propagation, ALPs can couple to photons. Therefore,... Read More about New constraints on light axion-like particles using Chandra transmission grating spectroscopy of the powerful cluster-hosted quasar H1821+643.