First Constraints on Nuclear Coupling of Axionlike Particles from the Binary Neutron Star Gravitational Wave Event GW170817.

@article{Zhang2021FirstCO,
  title={First Constraints on Nuclear Coupling of Axionlike Particles from the Binary Neutron Star Gravitational Wave Event GW170817.},
  author={Jun Zhang and Zhenwei Lyu and Junwu Huang and Matthew C. Johnson and Laura Sagunski and Mairi Sakellariadou and Huan Yang},
  journal={Physical review letters},
  year={2021},
  volume={127 16},
  pages={
          161101
        }
}
  • Jun Zhang, Zhenwei Lyu, +4 authors Huan Yang
  • Published 28 May 2021
  • Medicine, Physics
  • Physical review letters
Light axion fields, if they exist, can be sourced by neutron stars due to their coupling to nuclear matter, and play a role in binary neutron star mergers. We report on a search for such axions by analyzing the gravitational waves from the binary neutron star inspiral GW170817. We find no evidence of axions in the sampled parameter space. The null result allows us to impose constraints on axions with masses below 10^{-11}  eV by excluding the ones with decay constants ranging from 1.6×10^{16… Expand

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