Constraining Axions with ZTF J1901+1458
arXiv:2208.00405 · doi:10.1103/PhysRevD.107.L101303
Abstract
The axion-nucleon coupling enables the production of axions through the decay of excited isotopes, and axions produced in the Sun through this process are often a target of helioscope searches. We show for the first time that hot, highly magnetic white dwarfs such as ZTF J1901+1458 are a viable target to search for the X-ray signature of axions that were produced by the transition in the core and then converted to photons in the magnetosphere. We calculate that a 100 ks observation of ZTF J1901+1458 with NuSTAR would constrain the coupling of axions to nucleons and photons at a level below the bounds of both current and future planned helioscopes.
arXiv comment6 pages, 2 figures
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